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GeForce 9800 GX2 vs Radeon R7 260X

Intro

The GeForce 9800 GX2 has a GPU clock speed of 600 MHz, and the 512 MB of GDDR3 memory runs at 1000 MHz through a 256-bit bus. It also features 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Compare that to the Radeon R7 260X, which has a core clock speed of 1100 MHz and a GDDR5 memory speed of 1625 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is made up of 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 260X 115 Watts
GeForce 9800 GX2 197 Watts
Difference: 82 Watts (71%)

Memory Bandwidth

In theory, the GeForce 9800 GX2 should perform quite a bit faster than the Radeon R7 260X overall. (explain)

GeForce 9800 GX2 128000 MB/sec
Radeon R7 260X 104000 MB/sec
Difference: 24000 (23%)

Texel Rate

The GeForce 9800 GX2 should be quite a bit (approximately 25%) more effective at texture filtering than the Radeon R7 260X. (explain)

GeForce 9800 GX2 76800 Mtexels/sec
Radeon R7 260X 61600 Mtexels/sec
Difference: 15200 (25%)

Pixel Rate

If using a high resolution is important to you, then the GeForce 9800 GX2 is the winner, not by a very large margin though. (explain)

GeForce 9800 GX2 19200 Mpixels/sec
Radeon R7 260X 17600 Mpixels/sec
Difference: 1600 (9%)

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:

Radeon R7 260X

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

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Model GeForce 9800 GX2 Radeon R7 260X
Manufacturer nVidia AMD
Year Mar 2008 October 2013
Code Name G92 Bonaire XTX
Memory 512 MB (x2) 2048 MB
Core Speed 600 MHz (x2) 1100 MHz
Memory Speed 2000 MHz (x2) 6500 MHz
Power (Max TDP) 197 watts 115 watts
Bandwidth 128000 MB/sec 104000 MB/sec
Texel Rate 76800 Mtexels/sec 61600 Mtexels/sec
Pixel Rate 19200 Mpixels/sec 17600 Mpixels/sec
Unified Shaders 128 (x2) 896
Texture Mapping Units 64 (x2) 56
Render Output Units 16 (x2) 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit (x2) 128-bit
Fab Process 65 nm 28 nm
Transistors 754 million 2080 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be moved across the external memory interface in a second. It is calculated by multiplying the card's interface width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GX2

Amazon.com

Check prices at:

Radeon R7 260X

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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