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Sharky Extreme : Video cards October 17, 2011
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Video cards

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PNY XLR8 GeForce 8800 GTS 512MB Review

By Vince Freeman :  March 13, 2008

Introduction

The upper end of the graphics card market has become more interesting of late, with ATI introducing their dual-GPU Radeon HD 3870 X2 and NVIDIA is apparently working on a response in the form of a GeForce 9800 GX2. But most users will gravitate to a standard, single-GPU model that offers blazing performance, but without some of the physical and software issues that a multi-GPU solution entails. One very popular choice is the latest GeForce 8800 GTS (G92), which represents a die shrink and clock speed jump, all rolled into one.

The GeForce 8800 GTS (G92)

The GeForce 8800 GTS (G92) core is a PCI Express 2.0 part that is built on a 65nm process, compared to the 90nm/PCI Express 1.x format of the first-generation GeForce 8 series. Other architectural specifications include a unified shader architecture with 128 Stream processors (the same as the GeForce 8800 GTX/Ultra), and a 256-bit bus to 512MB of onboard GDDR3 memory. Basic features include support for DirectX 10/SM4.0, PureVideo HD technology, HDCP, and NVIDIA SLI, among others.

This smaller die size has allowed the core speed to be increased to 650 MHz, faster than even the 612 MHz of the powerful GeForce 8800 Ultra, and allowing for an amazing fillrate of 41.6 GT/second. The 128 Stream processors run at a clock speed of 1.625 GHz, again faster than the GeForce 880 Ultra. The 256-bit memory interface is well behind the 384-bit link of the GeForce 8800 GTX/Ultra and even the 320-bit on the GeForce 8800 GTS, and with clock speeds of 1.94 GHz, the GeForce 8800 GTS (G92) drops back from the pack with a memory bandwidth of 62.1 GB/second.

The combination of ultra-high GPU speeds and limited memory bandwidth is a common method of differentiating NVIDIA-based video cards, as well as positioning these in the marketplace. Certainly, with the memory interface and speed of a GeForce 8800 GTX/Ultra, the newer G92 variant would be the fastest single-GPU NVIDIA card, but would it would also push the price up considerably.

The PNY XLR8 GeForce 8800 GTS 512MB Card

PNY has not gone overboard in adapting the GeForce 8800 GTS (G92) to its brand, and has essentially produced a rock solid card based on the reference design. Clock speeds are standard, and PNY has set these at 650 MHz core and 1.94 GHz memory, so there are no pre-overclocked surprises on that front. Other than the PNY XLR8 heatsink and fan branding, it follows the reference model closely.

The physical card design of the PNY XLR8 GeForce 8800 GTS 512MB sticks to the dual-slot format that NVIDIA outlined, and this means that the slot below the PNY card will be unusable. This second slot is not just for show, and the card includes an exhaust port that helps graphics and system airflow.

The card's backplate features two dual-link DVI outputs supporting up to dual 2560x1600 displays, and a TV-out port to be used with the bundled breakout cable. It's also a rather heavy card, weighing in at approximately 600 grams, and on par with any GeForce 8800 GTS/GTX/Ultra card.

The retail bundle includes a nice selection of items, but these are weighted firmly in the hardware area. Along with the graphics card, the retail package contains a quick installation guide, a Driver CD, two DVI-to-VGA dongles, a HDTV breakout box, an S-Video extension cable, and a Y adapter power cable. While this will certainly get new users up and running, we do like to see some type of game or software included, just to round out the package.

As the DirectX 10 graphics cards offer a new type of architecture, it's very difficult to compare the latest products in terms of "pipelines" and other common terms of the previous GPU generations. Instead, we have assembled a set of specifications and performance metrics that should illustrate exactly where the PNY XLR8 GeForce 8800 GTS 512MB fits in:

Graphics Processor Core Clock (MHz) Fill Rate (MT/s) Memory Clock (MHz) Memory Bandwidth Memory Bus
GeForce 8800 GTS (G92) 650 41600 1940 62.1 GB/s 256-bit
GeForce 8600 GTS 675 10800 2000 32.0 GB/s 128-bit
Radeon X1950 Pro 575 6900 1380 44.2 GB/s 256-bit
GeForce 7950 GT 550 13200 1400 44.8 GB/s 256-bit
Radeon X1900 XTX 650 10400 1550 49.6 GB/s 256-bit
Radeon HD 3850 668 10700 1656 53.0 GB/s 256-bit
Radeon HD 3870 775 12400 2250 72.0 GB/s 256-bit
GeForce 8800 GT 600 33600 1800 57.6 GB/s 256-bit
GeForce 8800 GTS 500 24000 1600 64.0 GB/s 320-bit
GeForce 8800 GTX 575 36800 1800 86.4 GB/s 384-bit
Radeon HD 2900 XT 743 11888 1650 105.6 GB/s 512-bit
GeForce 8800 Ultra 612 39200 2160 103.7 GB/s 384-bit

Of course, the best performance metric is real-world testing, and to that end, we've assembled a wide range of game benchmarks.


  • Page 1

    The PNY XLR8 GeForce 8800 GTS 512MB Card

    Page 2

    Test Setup and Benchmark Software

    Page 3

    Farcry and Quake 4 Performance

    Page 4

    F.E.A.R. and Company of Heroes Performance

    Page 5

    Lost Planet and Supreme Commander Performance

    Page 6

    Crysis and World in Conflict Performance

    Page 7

    Unreal Tournament 3 Botmatch and Flyby Performance

    Page 8

    3DMark06 Advanced Feature Performance

    Page 9

    Benchmark Analysis, Overclocking, Value, and Conclusion





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