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GeForce 8800 Ultra vs Radeon R9 M280X

Intro

The GeForce 8800 Ultra has a core clock speed of 612 MHz and a GDDR3 memory frequency of 1080 MHz. It also uses a 384-bit bus, and uses a 90 nm design. It is comprised of 128 SPUs, 64 Texture Address Units, and 24 Raster Operation Units.

Compare all that to the Radeon R9 M280X, which uses a 28 nm design. AMD has clocked the core speed at 900 MHz. The GDDR5 RAM works at a frequency of 1375 MHz on this particular card. It features 896 SPUs along with 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 Ultra 171 Watts
Difference: 96 Watts (128%)

Memory Bandwidth

Theoretically, the GeForce 8800 Ultra should perform a bit faster than the Radeon R9 M280X overall. (explain)

GeForce 8800 Ultra 103680 MB/sec
Radeon R9 M280X 88000 MB/sec
Difference: 15680 (18%)

Texel Rate

The Radeon R9 M280X will be quite a bit (more or less 29%) better at AF than the GeForce 8800 Ultra. (explain)

Radeon R9 M280X 50400 Mtexels/sec
GeForce 8800 Ultra 39168 Mtexels/sec
Difference: 11232 (29%)

Pixel Rate

The GeForce 8800 Ultra will be just a bit (more or less 2%) faster with regards to full screen anti-aliasing than the Radeon R9 M280X, and able to handle higher resolutions better. (explain)

GeForce 8800 Ultra 14688 Mpixels/sec
Radeon R9 M280X 14400 Mpixels/sec
Difference: 288 (2%)

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 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 Ultra Radeon R9 M280X
Manufacturer nVidia AMD
Year May 2007 Feb 9 2015
Code Name G80 Saturn XT
Memory 768 MB 4096 MB
Core Speed 612 MHz 900 MHz
Memory Speed 2160 MHz 5500 MHz
Power (Max TDP) 171 watts 75 watts
Bandwidth 103680 MB/sec 88000 MB/sec
Texel Rate 39168 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 14688 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: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, 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 higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number 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 fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 Ultra

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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