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GeForce 9800 GX2 vs GeForce GTX 460 SE

Intro

The GeForce 9800 GX2 has core speeds of 600 MHz on the GPU, and 1000 MHz on the 512 MB of GDDR3 memory. It features 128 SPUs along with 64 Texture Address Units and 16 Rasterization Operator Units.

Compare that to the GeForce GTX 460 SE, which makes use of a 40 nm design. nVidia has clocked the core speed at 650 MHz. The GDDR5 memory is set to run at a speed of 850 MHz on this particular card. It features 288 SPUs along with 48 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 SE 150 Watts
GeForce 9800 GX2 197 Watts
Difference: 47 Watts (31%)

Memory Bandwidth

As far as performance goes, the GeForce 9800 GX2 should in theory be a small bit better than the GeForce GTX 460 SE overall. (explain)

GeForce 9800 GX2 128000 MB/sec
GeForce GTX 460 SE 108800 MB/sec
Difference: 19200 (18%)

Texel Rate

The GeForce 9800 GX2 will be a lot (about 146%) better at texture filtering than the GeForce GTX 460 SE. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
GeForce GTX 460 SE 31200 Mtexels/sec
Difference: 45600 (146%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 460 SE is superior to the GeForce 9800 GX2, but not by far. (explain)

GeForce GTX 460 SE 20800 Mpixels/sec
GeForce 9800 GX2 19200 Mpixels/sec
Difference: 1600 (8%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce 9800 GX2

Amazon.com

Check prices at:

GeForce GTX 460 SE

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

Display Specifications

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Model GeForce 9800 GX2 GeForce GTX 460 SE
Manufacturer nVidia nVidia
Year Mar 2008 November 2010
Code Name G92 GF104
Memory 512 MB (x2) 1024 MB
Core Speed 600 MHz (x2) 650 MHz
Memory Speed 2000 MHz (x2) 3400 MHz
Power (Max TDP) 197 watts 150 watts
Bandwidth 128000 MB/sec 108800 MB/sec
Texel Rate 76800 Mtexels/sec 31200 Mtexels/sec
Pixel Rate 19200 Mpixels/sec 20800 Mpixels/sec
Unified Shaders 128 (x2) 288
Texture Mapping Units 64 (x2) 48
Render Output Units 16 (x2) 32
Bus Type GDDR3 GDDR5
Bus Width 256-bit (x2) 256-bit
Fab Process 65 nm 40 nm
Transistors 754 million 1950 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GX2

Amazon.com

Check prices at:

GeForce GTX 460 SE

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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