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GeForce 8800 GTX vs Radeon R9 M385X

Intro

The GeForce 8800 GTX features a core clock frequency of 575 MHz and a GDDR3 memory frequency of 900 MHz. It also features a 384-bit bus, and uses a 90 nm design. It features 128 SPUs, 64 TAUs, and 24 ROPs.

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

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R9 M385X is 11% quicker than the GeForce 8800 GTX overall, because of its greater bandwidth. (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 (more or less 67%) better at 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

The Radeon R9 M385X will be a lot (about 28%) faster with regards to AA than the GeForce 8800 GTX, and able to handle higher resolutions better. (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 maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high 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 amount of texture units by the core speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth of the card - the lower the 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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