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GeForce 8800 GTX vs Radeon R9 M280X

Intro

The GeForce 8800 GTX comes with core clock speeds of 575 MHz on the GPU, and 900 MHz on the 768 MB of GDDR3 memory. It features 128 SPUs along with 64 TAUs and 24 ROPs.

Compare those specs to the Radeon R9 M280X, which features core clock speeds of 900 MHz on the GPU, and 1375 MHz on the 4096 MB of GDDR5 memory. It features 896 SPUs as well as 56 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R9 M280X 75 Watts
GeForce 8800 GTX 155 Watts
Difference: 80 Watts (107%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 M280X should be a bit faster than the GeForce 8800 GTX in general. (explain)

Radeon R9 M280X 88000 MB/sec
GeForce 8800 GTX 86400 MB/sec
Difference: 1600 (2%)

Texel Rate

The Radeon R9 M280X is a lot (approximately 37%) faster with regards to AF than the GeForce 8800 GTX. (explain)

Radeon R9 M280X 50400 Mtexels/sec
GeForce 8800 GTX 36800 Mtexels/sec
Difference: 13600 (37%)

Pixel Rate

The Radeon R9 M280X is a bit (more or less 4%) better at full screen anti-aliasing than the GeForce 8800 GTX, and also should be able to handle higher screen resolutions while still performing well. (explain)

Radeon R9 M280X 14400 Mpixels/sec
GeForce 8800 GTX 13800 Mpixels/sec
Difference: 600 (4%)

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

Display Prices

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GeForce 8800 GTX

Amazon.com

Radeon R9 M280X

Amazon.com

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 GTX Radeon R9 M280X
Manufacturer nVidia AMD
Year Nov 2006 Feb 9 2015
Code Name G80 Saturn XT
Memory 768 MB 4096 MB
Core Speed 575 MHz 900 MHz
Memory Speed 1800 MHz 5500 MHz
Power (Max TDP) 155 watts 75 watts
Bandwidth 86400 MB/sec 88000 MB/sec
Texel Rate 36800 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 128 896
Texture Mapping Units 64 56
Render Output Units 24 16
Bus Type GDDR3 GDDR5
Bus Width 384-bit 128-bit
Fab Process 90 nm 28 nm
Transistors 681 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.2
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be moved across the external memory interface in one second. The number is calculated by multiplying the bus width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If it uses 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 amount of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GTX

Amazon.com

Radeon R9 M280X

Amazon.com

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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