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GeForce 8800 GTS (G80) 640MB vs Radeon R7 M260X

Intro

The GeForce 8800 GTS (G80) 640MB makes use of a 90 nm design. nVidia has set the core speed at 513 MHz. The GDDR3 RAM runs at a frequency of 792 MHz on this specific model. It features 96 SPUs along with 48 Texture Address Units and 20 Rasterization Operator Units.

Compare all that to the Radeon R7 M260X, which features clock speeds of 825 MHz on the GPU, and 1000 MHz on the 2048 MB of GDDR5 RAM. It features 384 SPUs as well as 24 Texture Address Units and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R7 M260X should in theory be a little bit better than the GeForce 8800 GTS (G80) 640MB overall. (explain)

Radeon R7 M260X 64000 MB/sec
GeForce 8800 GTS (G80) 640MB 63360 MB/sec
Difference: 640 (1%)

Texel Rate

The GeForce 8800 GTS (G80) 640MB should be much (more or less 24%) more effective at AF than the Radeon R7 M260X. (explain)

GeForce 8800 GTS (G80) 640MB 24624 Mtexels/sec
Radeon R7 M260X 19800 Mtexels/sec
Difference: 4824 (24%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce 8800 GTS (G80) 640MB is a better choice, by a large margin. (explain)

GeForce 8800 GTS (G80) 640MB 10260 Mpixels/sec
Radeon R7 M260X 6600 Mpixels/sec
Difference: 3660 (55%)

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.

Price Comparison

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GeForce 8800 GTS (G80) 640MB

Amazon.com

Check prices at:

Radeon R7 M260X

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 8800 GTS (G80) 640MB Radeon R7 M260X
Manufacturer nVidia AMD
Year Nov 2006 (640) June 2014
Code Name G80 Opal
Memory 640 MB 2048 MB
Core Speed 513 MHz 825 MHz
Memory Speed 1584 MHz 4000 MHz
Power (Max TDP) 143 watts (Unknown) watts
Bandwidth 63360 MB/sec 64000 MB/sec
Texel Rate 24624 Mtexels/sec 19800 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 6600 Mpixels/sec
Unified Shaders 96 384
Texture Mapping Units 48 24
Render Output Units 20 8
Bus Type GDDR3 GDDR5
Bus Width 320-bit 128-bit
Fab Process 90 nm 28 nm
Transistors 681 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x8
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

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

Display Prices

Hide Prices

GeForce 8800 GTS (G80) 640MB

Amazon.com

Check prices at:

Radeon R7 M260X

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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