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GeForce 8800 GTX vs Radeon R9 M385X

Intro

The GeForce 8800 GTX features 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 Rasterization Operator Units.

Compare all of that to the Radeon R9 M385X, which has clock speeds of 1100 MHz on the GPU, and 1500 MHz on the 4096 MB of GDDR5 memory. It features 896 SPUs along with 56 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 M385X should perform a little bit faster than the GeForce 8800 GTX overall. (explain)

Radeon R9 M385X 96000 MB/sec
GeForce 8800 GTX 86400 MB/sec
Difference: 9600 (11%)

Texel Rate

The Radeon R9 M385X should be much (approximately 67%) faster with regards to texture filtering than the GeForce 8800 GTX. (explain)

Radeon R9 M385X 61600 Mtexels/sec
GeForce 8800 GTX 36800 Mtexels/sec
Difference: 24800 (67%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 M385X is the winner, by far. (explain)

Radeon R9 M385X 17600 Mpixels/sec
GeForce 8800 GTX 13800 Mpixels/sec
Difference: 3800 (28%)

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 M385X

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 M385X
Manufacturer nVidia AMD
Year Nov 2006 2015
Code Name G80 Bonaire
Memory 768 MB 4096 MB
Core Speed 575 MHz 1100 MHz
Memory Speed 1800 MHz 6000 MHz
Power (Max TDP) 155 watts (Unknown) watts
Bandwidth 86400 MB/sec 96000 MB/sec
Texel Rate 36800 Mtexels/sec 61600 Mtexels/sec
Pixel Rate 13800 Mpixels/sec 17600 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 12
OpenGL Version OpenGL 3.0 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 amount of texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially 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 8800 GTX

Amazon.com

Check prices at:

Radeon R9 M385X

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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