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GeForce 8800 GTX vs Radeon R9 M280X

Intro

The GeForce 8800 GTX comes with a GPU core speed of 575 MHz, and the 768 MB of GDDR3 RAM runs at 900 MHz through a 384-bit bus. It also features 128 SPUs, 64 TAUs, and 24 Raster Operation Units.

Compare those specs to the Radeon R9 M280X, which makes use of a 28 nm design. AMD has clocked the core speed at 900 MHz. The GDDR5 memory works at a frequency of 1375 MHz on this card. It features 896 SPUs as well as 56 TAUs and 16 ROPs.

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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

As far as performance goes, the Radeon R9 M280X should in theory be a bit better 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 should be a lot (more or less 37%) more effective at AF than the GeForce 8800 GTX. (explain)

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

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R9 M280X is superior to the GeForce 8800 GTX, but not by far. (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

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GeForce 8800 GTX

Amazon.com

Check prices at:

Radeon R9 M280X

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 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 data (measured in megabytes per second) that can be transported over the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). 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 reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GTX

Amazon.com

Check prices at:

Radeon R9 M280X

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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