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GeForce 8800 GTS (G80) 320MB vs GeForce GTX 470

Intro

The GeForce 8800 GTS (G80) 320MB comes with a GPU core speed of 513 MHz, and the 320 MB of GDDR3 RAM runs at 792 MHz through a 320-bit bus. It also is comprised of 96 SPUs, 48 TAUs, and 20 Raster Operation Units.

Compare all that to the GeForce GTX 470, which has a GPU core clock speed of 607 MHz, and 1280 MB of GDDR5 RAM running at 837 MHz through a 320-bit bus. It also features 448 Stream Processors, 56 TAUs, and 40 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G80) 320MB 143 Watts
GeForce GTX 470 215 Watts
Difference: 72 Watts (50%)

Memory Bandwidth

In theory, the GeForce GTX 470 should be 111% faster than the GeForce 8800 GTS (G80) 320MB overall, because of its greater data rate. (explain)

GeForce GTX 470 133920 MB/sec
GeForce 8800 GTS (G80) 320MB 63360 MB/sec
Difference: 70560 (111%)

Texel Rate

The GeForce GTX 470 will be much (more or less 38%) more effective at texture filtering than the GeForce 8800 GTS (G80) 320MB. (explain)

GeForce GTX 470 33992 Mtexels/sec
GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Difference: 9368 (38%)

Pixel Rate

The GeForce GTX 470 will be much (about 137%) more effective at full screen anti-aliasing than the GeForce 8800 GTS (G80) 320MB, and will be able to handle higher resolutions more effectively. (explain)

GeForce GTX 470 24280 Mpixels/sec
GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
Difference: 14020 (137%)

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

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GeForce GTX 470

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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 GeForce GTX 470
Manufacturer nVidia nVidia
Year Feb 2007 March 2010
Code Name G80 GF100
Memory 320 MB 1280 MB
Core Speed 513 MHz 607 MHz
Memory Speed 1584 MHz 3348 MHz
Power (Max TDP) 143 watts 215 watts
Bandwidth 63360 MB/sec 133920 MB/sec
Texel Rate 24624 Mtexels/sec 33992 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 24280 Mpixels/sec
Unified Shaders 96 448
Texture Mapping Units 48 56
Render Output Units 20 40
Bus Type GDDR3 GDDR5
Bus Width 320-bit 320-bit
Fab Process 90 nm 40 nm
Transistors 681 million 3000 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the largest amount of data (measured in MB per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 amount of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total texture units by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

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

Display Prices

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GeForce 8800 GTS (G80) 320MB

Amazon.com

Check prices at:

GeForce GTX 470

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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