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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 RAM is set to run at 792 MHz through a 320-bit bus. It also features 96 SPUs, 48 Texture Address Units, and 20 ROPs.

Compare all that to the Radeon HD 5670, which has a clock speed of 775 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It is made up of 400(80x5) SPUs, 20 TAUs, and 8 Raster Operation Units.

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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% quicker than the GeForce 8800 GTS (G80) 320MB in general, 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 will be a lot (more or less 59%) better at 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 far. (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

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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: Bandwidth is the largest amount of data (counted in MB per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type 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 AA, 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 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 per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max 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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