Browsing all articles from August, 2010
Aug
31

AMD Ucapkan Selamat Tinggal untuk Merek ATI

Author admin    Category AMD, IT News     Tags

AMD (Advanced Micro Devices) akan mencabut merek ATI dari semua produknya secara bertahap hingga akhir tahun, ungkap jubir AMD, Drew Erskine. ATI telah dikenal didunia kartu grafis selama 25 tahun, namun para gamer tidak perlu bersedih karena itu semua hanya perubahan nama saja. Produk yang berada dinaungan label ATI antara lain adalah ATI Radeon, FirePro, dan Eyefinity. AMD akan mengeluarkan produk dengan atau tanpa merek AMD. Khusus untuk produk ATI Eyefinity, namanya akan diubah menjadi AMD Eyefinity dan mulai tersedia mulai akhir tahun.

Erskine juga menambahkan perubahan nama ini tidak akan mempengaruhi penawaran produk grafisnya dan rencana kedepannya. AMD juga sedang menyiapkan produk terbarunya dengan teknologi Fusion dalam waktu dekat. Teknologi ini dapat memproduksi prosesor generasi terbaru yang menggabungkan kartu grafis dan prosesor dalam sebuah chip tunggal. Chip berbasis arsitektur Fusion ini akan memiliki kode nama Ontario dan mulai tersedia di kuartal keempat.

AMD pertama kali dibangun tahun 1985 sebagai perusahaan grafis ternama, AMD mulai mengakuisisinya sejak tahun 2007 senilai 5.4 miliar dolar Amerika.

[kassa9]

Aug
31

NVIDIA Tegra 2 Dual Core, Prosesor Tercepat Android Hadir Akhir Tahun

Author admin    Category IT News     Tags

Secepat apa prosesor terbaru NVIDIA Tegra 2 dual core chip bila dibandingkan dengan prosesor ponsel tercepat saat ini?. Aplikasi benchmark dari Quadrant baru saja menampilkan hasil benchmark prosesor tersebut dan menjadikannya tercepat saat ini. Ponsel tercepat besutan Google, Nexus One 2.2 pun harus tunduk pada prosesor ini. Nexus One dengan OS Froyo tersebut sempat menjadi yang terkalahkan dalam uji benchmark beberapa waktu lalu.

Menariknya lagi, NVIDIA Tegra 2 tersebut masih dijalankan pada perangkat dengan OS 2.1, belum di uji coba pada perangkat Froyo. Walaupun perangkat yang digunakan adalah netbook dari Toshiba AC100, namun di netbook tersebut sudah terinstall OS Android versi 2.1.

Hasil benchmark browser webkit yang diuji coba oleh reviewer “Carrypad” menggunakan Benchmark Javascript SunSpider menghasilkan 9300, dengan tools BenchmarkPi menembus sampai kecepatan 2081ms, 3x lebih cepat dari hasil rata-rata hasil tools benchmark Android tersebut. Selain itu Prosesor tersebut juga memungkinkan untuk menjalankan video dengan resolusi 1080p H.264 pada kecepatan 13mbps dan bermain game Raging Thunder 2 di resolusi 1024x600px.

Tegra 2 ini dikabarkan akan diadopsikan pada ponsel/tablet Android akhir tahun ini. Hasil tersebut baru diuji pada OS 2.1, seperti apa kecepatannya pada OS 2.2 Froyo dengan JIT compiler?

[kassa9]

Aug
30

Bocoran HTC Scorpion: Dual Core 1.5 GHz dan Android Froyo, Spektakuler!

Author admin    Category Gadget, IT News, SmartPhone     Tags

Sebuah bocoran handset kembali diungkapkan oleh BGR. Kali ini mereka memperoleh gambar eksklusif dari sebuah handset Android yang diperkirakan adalah HTC Scorpion yang juga termuat dalam bocoran roadmap Verizon beberapa waktu lalu.

Handset Android ini mirip dengan Evo 4G namun lebih besar dengan bodi seperti Nexus One berbalut garis aluminium. Ukuran layarnya juga besar, 4.3 inci, dengan kamera depan, kamera belakang 8MP, lampu kilat LED ganda, dan dudukan sebagai pemutar video. Meski tidak dalam keadaan dihidupkan namun kemungkinan besar handset ini tidak memakai OS Windows Phone 7 karena adanya keterangan HTC Sense UI, sesuatu yang hampir tidak mungkin diimplementasikan dalam WP7. Oleh karena itu handset ini adalah HTC Scorpion yang memakai Android Froyo (2.2).

Jika ini memang HTC Scorpion, maka handset Android kelas atas lainnya akan menjadi seperti mainan. Ini dikarenakan handset ini akan memakai prosesor inti-ganda Snapdragon 1.5GHz, jauh di atar Droid 2 maupun Droid X yang hanya memakai prosesor tunggal 1GHz. Diperkirakan handset ini baru akan tersedia di awal tahun 2011 nanti.

[kassa9]

Aug
30

Microsoft Gelontorkan Uang Triliunan Rupiah untuk Sukseskan Windows Phone 7

Author admin    Category IT News, Microsoft     Tags

Menurut sebuah analisis dari TechCrunch, Microsoft diperkirakan telah menghabiskan lebih dari setengah miliar dolar (sekitar 5 triliun rupiah dengan kurs 1$ = Rp 9.000,00), untuk mendukung platform mobile terbaru mereka agar sukses di pasaran. Analisis dari Deustche Bank, Jonathan Goldberg, memperkirakan sekitar 400 juta dolar (sekitar 3,5 triliun) telah dihabiskan Microsoft hanya untuk bagian pemasaran saja.

Microsoft menganggap bahwa proyek ini adalah proyek yang harus berhasil atau Microsoft tidak akan bisa lagi berkompetisi dengan Apple iPhone dan Google Android di pasar ponsel pintar. Microsoft mengeluarkan banyak uang untuk pengembangan OS ini termasuk membangun komitmen kerjasama dengan berbagai produsen handset seperti Samsung, LG, HTC, hingga Dell dan HP maupun Toshiba.

Model lisensi pada OS ini juga diperbarui oleh Microsoft. Diperkirakan Microsoft hanya akan menarik lisensi sebesar 10 dolar untuk setiap OS yang dipasang pada handset. Ini berarti diperlukan sekitar 100 juta handset untuk mengembalikan uang investasi Microsoft yang digelontorkan untuk menyukseskan kehadiran OS mobile baru ini pada akhir tahun 2010 nanti.

Masih perlu dibuktikan apakah guyuran uang yang ditanamkan pada OS baru ini akan bisa mengulangi kesuksesan proyek Xbox yang mampu menggeser ketenaran Nintendo dan Sony di pasar konsol game.

[kassa9]

Aug
30

CyanogenMod 6.0 Dirilis, Dukung Penuh Android 2.2 Froyo

Author admin    Category Android, IT News, Reviews, Software     Tags

Kabar baik bagi modifikator Android atau pengguna ponsel Android yang tidak suka ponselnya dalam kondisi standard. Sebab CyanogenMod versi 6.0 kini telah dirilis dan sudah mendukung penuh sistem operasi Android 2.2 Froyo. Bagi yang tidak asing dengan proses rooting ponsel Android pasti sudah mengetahui berbagai ROM populer untuk perangkat kesayangan anda, salah satunya CyanogenMod.

CyanogenMod versi 6.0 ini diklaim dapat menghemat baterai, meningkatkan kecepatan, serta berbagai manfaat lainnya. CyanogenMod dapat diunduh secara gratis dan digunakan untuk ponsel Android seperti Samsung Galaxy S, Nexus One, Motorola Droid Incredible, Motorola Droid, HTC Aria, Dream/Magic, Desire, Evo, Hero dan Slide.

Untuk mengetahui langkah-langkah root ponsel Android, klik disini.

CyanogenMod 6.0

[kassa9]

Aug
30

Pendiri Microsoft Tuntut Google, Facebook, Apple, eBay, Yahoo Atas Pelanggaran Paten

Author admin    Category IT News, Microsoft     Tags

Paul Allen, salah seorang pendiri Microsoft selain Bill Gates, baru saja mendaftarkan gugatan kepada sembilan perusahaan atas tuduhan pelanggaran paten. Gugatan ini dilakukan lewat firma miliknya, Interval Licensing LLC, kepada Apple, Google, AOL, Facebook, eBay, Netflix, Office Depot, OfficeMax, Staples, Yahoo, dan YouTube (perusahaan di bawah Google).

Menurut tuntutan tersebut ada empat paten yang telah dilanggar dan merupakan bagian integral dari masing-masing perusahaan. Salah satu paten yang dilanggar misalnya, adalah sistem pemberi saran berdasarkan barang yang sedang dilihat konsumen, sementara lainnya adalah pemberian saran berita terkait ketika seseorang sedang membaca berita tertentu. Bisa dikatakan bahwa secara umum paten dari Paul Allen mencakup bidang yang luas.

Gugatan ini tidak menyebutkan jumlah ganti rugi atas pelanggaran paten tersebut. Sementara itu para pihak yang digugat, dalam hal ini Google dan Facebook menyebutkan bahwa gugatan ini tidak relevan atau tidak berdasar serta akan memberikan perlawanan secara sengit atas tuntutan tersebut.

Paul Allen adalah salah satu orang terkaya di dunia dengan kekayaan mencapai lebih dari 13 miliar dolar (sekitar 125 triliun rupiah dengan kurs 1$ = Rp.9000,00). Belum lama ini dia berjanji akan mendonasikan setengah kekayaannya untuk kegiatan amal setelah muncul imbauan dari Bill Gates.

[kassa9]

Aug
27

EBB-U10, Baterai Tambahan Samsung Galaxy S Segera Diluncurkan

Author admin    Category Gadget, IT News, SmartPhone     Tags

Pengguna Samsung Galaxy S (i9000) yang sering merasa baterainya cepat habis akan segera menemukan solusi. Pasalnya sebuah situs ponsel di Jerman, Mobiflip telah menjual baterai tambahan yang bernama EBB-U10 untuk menambah durasi baterai lebih lama lagi. Baterai tambahan ini dapat langsung dipasangkan di ponsel dan akan membuatnya menjadi lebih tebal dan besar, serta terdapat logo ‘galaxy s’ di bagian kiri atas.

Baterai tambahan ini memiliki berat 70 gram, fitur lampu status LED, serta waktu bicara yang lama hingga 8.5 jam dan waktu standby hingga 500 jam. Mungkin sebagian pengguna Samsung Galaxy S akan kurang menyukainya karena membuat ponsel menjadi kurang seksi, tetapi bagi yang membutuhkan fungsinya sepertinya tidak menjadi masalah. Baterai tambahan EBB-U10 ini akan dilepas di Jerman akhir September dengan banderol harga $89.

Belum ada informasi apakah Samsung Indonesia juga akan melepas aksesoris ini.

[kassa9]

Aug
27

Root privileges through Linux kernel bug – Update

Author admin    Category IT News, Linux     Tags

According to a reportPDF written by Rafal Wojtczuk, a conceptual problem in the memory management area of Linux allows local attackers to execute code at root level. The Linux issue is caused by potential overlaps between the memory areas of the stack and shared memory segments.

As a potential attack scenario, Wojtczuk describes the X Server, where the distance between the boundaries of the heap and stack can be made very small by filling the memory with data such as pixmaps. A subsequent request for a shared memory segment by the attacker will result in the segment being added to the end of the heap. If the attacker then manages to make the X Server call a recursive function, the stack will grow into the shared memory segment. By writing into the requested shared memory at the same moment, the attacker will also make changes to the content of the stack, for example, to return addresses. This allows code to be executed at root privilege level. Developer Brad Spengler, who works for grsecurity, has released an exploit which demonstrates a problem – although it only causes the X Server to crash.

Security expert Joanna Rutkowska says that the vulnerability has been present in the kernel for years, probably since the release of version 2.6 in December 2003. To solve the problem, Wojtczuk’s paper suggests the introduction of a guaranteed minimum of one memory page (guard page) between the stack and other memory areas. This function has already been implemented in kernel versions 2.6.32.19, 2.6.34.4 and 2.6.35.2, but without the problem being explicitly pointed out. In addition, processes whose stack touches the boundaries of other memory areas are now terminated via SIGBUS. Another update is being prepared for inclusion in 2.6.27.52. User who don’t run the kernel released by kernel.org should wait for their Linux distributors to provide an update for their specific distribution. Red Hat has already responded by releasing a dedicated bug report.

The vulnerability can be exploited in all older versions if an X Server is running on the system. To compromise a system remotely, an attacker would first have to exploit another hole to inject code and execute it on the system. As a second step, the attacker would then use the procedure described above to obtain root privileges. Kernel developer Greg Kroah-Hartman has sent a clear message to the Linux community: “All users [of the affected kernel series] must upgrade”.

Update – In an email to The H, Joanna Rutowska clarifies that Spengler’s exploit targets “some unrelated vulnerability” and her reference to it was in relation to guesses made by Spengler noted in the source code comments.

Update – As Marcus Meissner from the SUSE security team explained to heise Security, SUSE maintainer Andrea Arcangeli provided a fix for the problem in September 2004, but for unknown reasons this fix was not included in the Linux kernel. SUSE itself has the fix and SUSE Linux Enterprise 9, 10 and 11 as well as openSUSE 11.1 through 11.3 do not exhibit this vulnerability.

Aug
27

H.264: Free forever for free video streaming

Author admin    Category IT News     Tags

The group that licenses patents for the widely used H.264 video encoding and streaming technology has committed to charge no royalties ever for use by Web sites that use it for freely available video.

In February, the MPEG LA previously had declared free streaming wouldn’t require royalty payments through December 31, 2015. On Thursday, it lifted that limit forever, a move could remove some hesitation to use it on Web sites.

The move, although made earlier than the licensing group had to, isn’t a major surprise. For one thing, adding a fee to streaming costs could have driven potential users into the arms of free rival video encoding technology, notably WebM from Google.

MPEG LA didn’t immediately respond to a request for comment about why it made the decision.

In any event, it’s likely the video landscape will look different five years from now. It’s an active area of research, and by 2015, it’s likely there will be new codec alternatives that offer more advanced encoding and decoding abilities. That could mean smaller file sizes, a lower processing burden, or reduced network throughput needs.

MPEG LA continues to charge royalties for use in other areas, including Blu-ray drives and disc reproduction, broadcast television, cameras, and video editing software. H.264 is also known as AVC.

[cnet]

Aug
26

SLI vs CrossFire: Which Dual-Card Setup is the Best?

Author admin    Category Hardware, IT News, Reviews     Tags

We look at dual card graphics and PC gaming. When you add a second card, which cards are faster? Which scale better? And which can you actually stand to have in your system?

Graphics cards have gotten faster and added more features. So we have to ask the question: is it really worth adding a second GPU to your system? Will you get enough of a performance boost to justify the extra power draw and added cost? The answer is more complex than a simple yes or no. It all depends on what games you’re running, how much you dial up features like anti-aliasing, whether you’ve dived into the world of stereoscopic 3D and what monitor you’re running.

Perhaps the most important factor in the decision is display resolution. If you’re running a 1680×1050, 22-inch display, a single midrange or high end card will get the job done. Adding a second GPU is overkill. If you’ve got a 30-inch, 2560×1600 display and want to crank up the AA and postprocessing features, then that second GPU can be a big help.

Stereoscopic 3D, like Nvidia’s 3D Vision, demands more performance as well, since you’re effectively doubling the frame rate requirements of a game. Most 3D displays currently available max out at 1920×1080, however, so the performance demands aren’t overly onerous.

Games themselves are evolving and adding more features. You can see that in a title like Just Cause 2. Still a DirectX 10 title (and it requires DX10 or higher), Just Cause 2 adds a host of postprocessing effects that can demand much from your graphics card. Toss in DX11 titles, like Aliens versus Predator or STALKER: Call of Pripyat, and frame rates can plummet as you add features. So that second GPU can indeed contribute to the overall experience.

With these thoughts in mind, let’s take a look at our SLI and CrossFire X candidates.

The Cards

We looked at seven different DirectX 11 capable cards, including four based on Nvidia GPUs and three using AMD graphics chips. We also tossed in the fastest single GPU card from the previous generation, Nvidia’s 285 GTX, in the form of a pair of eVGA GeForce 285 GTX SSC cards. Note that not all cards were identical. With the exception of the GTX 460 768MB, Radeon HD 5870 and GeForce GTX 480, all were run at reference speeds. The GTX 460s, HD 5870s and GTX 480s were factory overclocked by a few percentage points, as were the previous generation 285 GTX cards.

Here’s the lineup; note there were two of each, and we call out the models where appropriate.

  • eVGA GeForce GTX 285 SSC
  • A pair of Asus 768MB GTX 460
  • One Gigabyte GTX 460 1GB card and one reference GTX 460 1GB
  • One eVGA 470 GTX card, one Galaxy GTX 470
  • A pair of eVGA 480 GTX SC cards
  • One Radeon HD 5830 reference card, one XFX Radeon HD 5830
  • One Asus Radeon HD 5850 and one XFX Radeon HD 5850
  • One HIS Radeon HD 5870 Modern Warfare 2 Edition and one XFX Radeon HD 5870 XXX Edition. These are both 1GB, factory overclocked cards.

While the core and memory speeds of some of these cards may be higher than stock reference cards, it’s been our experience that actual game performance increases only slightly. So we can still make judgment calls on performance, even though all of these aren’t stock cards.

Our test bed is a 3.33GHz Core i7-975 Extreme Edition in an Asus P6X58D Premium motherboard with 6GB of DDR3/1333 and a Corsair TX850W PSU. The OS is 64-bit Windows Ultimate. All games were run at 1920×1200 with 4x AA. In point of fact, we ran at 2560×1600 with and without AA. But our tests were still pretty demanding at 1920×1200, with 4x AA and all eye candy cranked up. So those are the results we’re reporting here.

We installed the latest release drivers — 258.96 WHQL for Nvidia and Catalyst 10.7 for AMD. We also made sure each card’s dual GPU feature was enabled. AMD will enable CrossFire X by default if it detects two cards, while you’ll have to manually turn on SLI with Nvidia cards.


Make sure you manually enable SLI in the Nvidia control panel

Let’s dive right in.

DirectX 10 Gaming

First, let’s take a look at games and benchmarks that run on DirectX 10. This allows us to see how much we’ve gained since last generation. We’re using the fastest single GPU card from last generation, a (once) speedy eVGA GeForce 285 GTX SSC, factory overclocked to 702MHz (versus the stock 648MHz) core and 2646MHz memory (the stock memory clocks are 2484MHz.) Let’s see how the new kids on the block handle the now geriatric 285 GTX:

First up is the hoary old 3DMark Vantage, running the “extreme” test. The older 285 GTX just wins out over the newer Radeon HD 5830, but falls short of everything else. Note how even two GTX 460 768MB cards, with their relatively low memory bandwidth, still spanks the older card.

Crysis is still a demanding test, even after three years. Just when you begin to believe it’s CPU bound, tossing in a second, new generation card pumps up the frame rate. A pair of GTX 480s are the overall winner, just falling short of the magical 60fps. It’s impressive how the $230 cards – GTX 460s and Radeon HD 5830s – generally keep up with the once mighty 285 GTX.

Next up is a pair of Far Cry 2 benchmarks.

The longer Ranch benchmark was once a demanding GPU test, but it’s become pretty easy by today’s standards. Once again, AMD’s Radeon HD 5830 is the odd duck, but note how even the low cost 460 GTXs are essentially at performance parity with the pricier Radeons in this graphics intensive test.

Far Cry 2’s action benchmark is more indicative of actual gameplay, so the test is CPU limited on higher end cards – in this case, anything that’s not an older card (285 GTX) or memory limited (GTX 460 768MB). Note how tight the grouping is here – that’s because the benchmark throws of ton of physics around, plus numerous AI characters running around trying to kill you. We wouldn’t make any graphics card decisions based on this benchmark, but it’s worth noting that GPUs aren’t the entire ball of was in PC gaming.

Tom Clancy’s HAWX is an action flight sim; we used the DirectX 10 version in our testing. Once again, AMD’s Radeon HD 5830 is the weak sauce, illustrating what an odd duck AMD’s lower end midrange card really is. While the HD 5870 wins out over the two GTX 460 cards, it’s no match for the paired GTX 470s or 480s.

Just Cause 2 is one of the few titles that requires DirectX 10 as a minimum, as well as running only on Windows Vista or Windows 7. The Concrete Jungle test throws a lot of postprocessing effects at the card, and can hammer frame rate – and it’s not particularly CPU bound. Note that we disabled the Nvidia-specific Bokeh and water effects to keep the playing field even.

AMD stays in the game with Just Cause 2, at least with paired Radeon HD 5870s. The Radeon HD 5830 and 5850s don’t fare quite as well. Once again, the 5830 is the weak sister of the bunch.

DirectX 11 Benchmark Result

DirectX 11 adds demanding new features, including hardware tessellation and new lighting effects. We turned up everything we could in our DX11 benchmarks. Note that the 285 GTX is now out of the picture, since it doesn’t support DirectX 11’s new features.

We’ll begin with a synthetic test, Heaven, based on the Unigine game engine. Note that we’ve cranked up tessellation to “Extreme”. It’s interesting to see how the 768MB GTX 460 falls off a cliff, probably due to that cards smaller frame buffer, exacerbated by the lower bandwidth available with the 192-bit wide memory interface.

More importantly, AMD is roundly trounced in this benchmark. It’s worth noting that discussions with developers have noted that AMD does pretty well with shader heavy scenes,  but Nvidia cards are – and we’ll quote an unnamed source here – “tessellation monsters.” It certainly shows here.

Okay, so Nvidia can pull out its self-described “can of whoop-ass” on AMD in a synthetic, tessellation heavy test. Let’s see how it does in actual game benchmarks.

There’s not a lot of hardware tessellation in BattleForge, but a lot of lighting effects – particularly SSAO style effects. You’d think an RTS like BattleForge would be CPU bound, but it scales pretty well with GPUs. AMD just can’t keep up here; the HD 5830 falls behind everyone else, while the HD 5850s and 5870s are beaten down by the higher end GTX 470 and 480 cards in SLI mode.

It’s another Nvidia sweep. While the HD 5870 comes close to the GTX 470, it still falls just short. The HD 5850 is in a dead heat with the less expensive GTX 460 1GB cards. Note how the HD 5830 once again brings up the rear.

The Aliens versus Predator benchmark uses DX11 tesselation. It’s worth noting that AMD can stay pretty close to Nvidia if you leave AA dialed down, but once  you add anti-aliasing, the big green machine turns up the nitro and leaves the boys in red far, far behind.

New game, same old story: Nvidia wins. Note that it appears that the GTX 470 beats the GTX 480, but it’s really a dead heat – what we’re seeing here is the GPU waiting for the CPU in a classic CPU-bound situation.

Power, Noise and the Price of Glory

So it’s apparent the Nvidia’s high end cards rule the roost in performance. Why not just slap a pair of GTX 480s in your system and be done with it. Well, first there’s the price. Two GTX 480s will set you back a solid kilobuck or more. A pair of Radeon HD 5870s will set you back less than $800, if you shop for standard clocked cards.

Then there’s power. This chart suggest why you might not want to just drop in two GTX 480 cards.

It’s worth noting that two GTX 480s seem to use slightly less power than a pair of GTX 470 cards when the system is idling, though it’s not a large difference. But look at those numbers for system under load. Those power numbers were captured using a Watts Up Pro meter connected via USB to a PC to collect power data in real time. Power usage was captured when running the Unigine Heaven benchmark at 2560×1600 at 4x anti-aliasing.

If the GTX 480 is one power hungry cards, paired factory overclocked GTX 480s are power hungry monsters. Note that our 850W Corsair power supply had no problems delivering the 665W of system power needed under full load. A pair of Radeon HD 5870s consumed fully 230W less than the GTX 480s. At idle, two HD 4870s ran nearly 40W cooler.

It’s worth noting that neither the GTX 480 nor GTX 470 running in SLI mode ever had any problem with any game test. However, they did get extremely loud – enough so that you’d want to either use a headset to hear your game audio or really pump up your speaker volume. You’ll want a solid case with good airflow, which will mitigate both heat and noise somewhat.

The Bottom Line

AMD has invested substantial time and resources improving CrossFire X, but it’s clear that Nvidia’s SLI is currently the superior dual GPU solution. Nvidia’s generation of DX11 cards scale very well when adding the second card, and SLI still works with more titles than CrossFire X, thought that gap is narrowing.

One thing that’s quite evident from all our testing: the Radeon HD 5830 is very much an odd duck. It’s been our experience that both single card HD 5830s and 5830s running in CrossFire X mode just don’t have the horsepower to justify its current cost point.

On the other hand, there might be times you might want to consider paired Radeon HD 5850s or 5870s, particularly if power, heat and noise issues are of concern. However, both the GTX 470 and 480 in SLI seriously spank AMD’s best in sheer performance.

In many ways, the 460 GTX impresses us more. Running in SLI mode, these cards scale well, never seem to get particularly loud or too hot, and can either stay close in terms of performance to AMDs high end card. They can certainly outperform the HD 5850 in most cases. And if you’re looking at Nvidia specific features, like PhysX or 3D Vision, the GTX 460 are affordable, even if you buy a pair. We’d strongly suggest stepping up to the 1GB version, however.

So are dual GPUs worth the cost and hassle? If you’re a serious gamer with 1080p displays or better, the answer is definitely “yes.” But take a look at what you plan on running, your resolution and other factors before you drop in that second card.

[maximumpc]

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