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GeForce 8800 GTS (G80) 320MB vs Radeon HD 5670

Intro

The GeForce 8800 GTS (G80) 320MB features a GPU core clock speed of 513 MHz, and the 320 MB of GDDR3 memory is set to run at 792 MHz through a 320-bit bus. It also is made up of 96 Stream Processors, 48 TAUs, and 20 ROPs.

Compare those specs to the Radeon HD 5670, which comes with a clock frequency of 775 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 128-bit memory bus, and uses a 40 nm design. It is made up of 400(80x5) SPUs, 20 TAUs, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce 8800 GTS (G80) 320MB 143 Watts
Difference: 82 Watts (134%)

Memory Bandwidth

In theory, the Radeon HD 5670 is 1% faster than the GeForce 8800 GTS (G80) 320MB overall, due to its higher data rate. (explain)

Radeon HD 5670 64000 MB/sec
GeForce 8800 GTS (G80) 320MB 63360 MB/sec
Difference: 640 (1%)

Texel Rate

The GeForce 8800 GTS (G80) 320MB is quite a bit (more or less 59%) faster with regards to AF than the Radeon HD 5670. (explain)

GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 9124 (59%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce 8800 GTS (G80) 320MB is superior to the Radeon HD 5670, by a large margin. (explain)

GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 4060 (65%)

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 GTS (G80) 320MB

Amazon.com

Check prices at:

Radeon HD 5670

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 GTS (G80) 320MB Radeon HD 5670
Manufacturer nVidia AMD
Year Feb 2007 January 14, 2010
Code Name G80 Redwood XT
Memory 320 MB 1024 MB
Core Speed 513 MHz 775 MHz
Memory Speed 1584 MHz 4000 MHz
Power (Max TDP) 143 watts 61 watts
Bandwidth 63360 MB/sec 64000 MB/sec
Texel Rate 24624 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 96 400(80x5)
Texture Mapping Units 48 20
Render Output Units 20 8
Bus Type GDDR3 GDDR5
Bus Width 320-bit 128-bit
Fab Process 90 nm 40 nm
Transistors 681 million 627 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate 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 quite a few 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 GTS (G80) 320MB

Amazon.com

Check prices at:

Radeon HD 5670

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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