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GeForce 8800 Ultra vs Radeon R9 M375X

Intro

The GeForce 8800 Ultra has core speeds of 612 MHz on the GPU, and 1080 MHz on the 768 MB of GDDR3 RAM. It features 128 SPUs along with 64 Texture Address Units and 24 ROPs.

Compare those specifications to the Radeon R9 M375X, which has a GPU core clock speed of 1015 MHz, and 4096 MB of GDDR5 memory running at 1125 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce 8800 Ultra, in theory, should be a lot faster than the Radeon R9 M375X in general. (explain)

GeForce 8800 Ultra 103680 MB/sec
Radeon R9 M375X 72000 MB/sec
Difference: 31680 (44%)

Texel Rate

The Radeon R9 M375X is a bit (more or less 4%) better at anisotropic filtering than the GeForce 8800 Ultra. (explain)

Radeon R9 M375X 40600 Mtexels/sec
GeForce 8800 Ultra 39168 Mtexels/sec
Difference: 1432 (4%)

Pixel Rate

The Radeon R9 M375X will be a bit (approximately 11%) more effective at anti-aliasing than the GeForce 8800 Ultra, and will be capable of handling higher screen resolutions better. (explain)

Radeon R9 M375X 16240 Mpixels/sec
GeForce 8800 Ultra 14688 Mpixels/sec
Difference: 1552 (11%)

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 Ultra

Amazon.com

Check prices at:

Radeon R9 M375X

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 Ultra Radeon R9 M375X
Manufacturer nVidia AMD
Year May 2007 2015
Code Name G80 Cape Verde
Memory 768 MB 4096 MB
Core Speed 612 MHz 1015 MHz
Memory Speed 2160 MHz 4500 MHz
Power (Max TDP) 171 watts (Unknown) watts
Bandwidth 103680 MB/sec 72000 MB/sec
Texel Rate 39168 Mtexels/sec 40600 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 16240 Mpixels/sec
Unified Shaders 128 640
Texture Mapping Units 64 40
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 (measured in MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the the card's clock speed. 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 output rate is also dependant 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 Ultra

Amazon.com

Check prices at:

Radeon R9 M375X

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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