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GeForce 8800 GTS (G80) 320MB vs GeForce 9800 GTX+

Intro

The GeForce 8800 GTS (G80) 320MB comes with a clock speed of 513 MHz and a GDDR3 memory speed of 792 MHz. It also uses a 320-bit memory bus, and uses a 90 nm design. It is comprised of 96 SPUs, 48 TAUs, and 20 Raster Operation Units.

Compare those specs to the GeForce 9800 GTX+, which features core speeds of 738 MHz on the GPU, and 1100 MHz on the 512 MB of GDDR3 memory. It features 128 SPUs as well as 64 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G80) 320MB 143 Watts
GeForce 9800 GTX+ 145 Watts
Difference: 2 Watts (1%)

Memory Bandwidth

The GeForce 9800 GTX+ should theoretically be a bit faster than the GeForce 8800 GTS (G80) 320MB in general. (explain)

GeForce 9800 GTX+ 70400 MB/sec
GeForce 8800 GTS (G80) 320MB 63360 MB/sec
Difference: 7040 (11%)

Texel Rate

The GeForce 9800 GTX+ is a lot (more or less 92%) faster with regards to texture filtering than the GeForce 8800 GTS (G80) 320MB. (explain)

GeForce 9800 GTX+ 47232 Mtexels/sec
GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Difference: 22608 (92%)

Pixel Rate

The GeForce 9800 GTX+ should be a bit (approximately 15%) more effective at anti-aliasing than the GeForce 8800 GTS (G80) 320MB, and also should be able to handle higher screen resolutions while still performing well. (explain)

GeForce 9800 GTX+ 11808 Mpixels/sec
GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
Difference: 1548 (15%)

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:

GeForce 9800 GTX+

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 GeForce 9800 GTX+
Manufacturer nVidia nVidia
Year Feb 2007 July 2008
Code Name G80 G92b
Memory 320 MB 512 MB
Core Speed 513 MHz 738 MHz
Memory Speed 1584 MHz 2200 MHz
Power (Max TDP) 143 watts 145 watts
Bandwidth 63360 MB/sec 70400 MB/sec
Texel Rate 24624 Mtexels/sec 47232 Mtexels/sec
Pixel Rate 10260 Mpixels/sec 11808 Mpixels/sec
Unified Shaders 96 128
Texture Mapping Units 48 64
Render Output Units 20 16
Bus Type GDDR3 GDDR3
Bus Width 320-bit 256-bit
Fab Process 90 nm 55 nm
Transistors 681 million 754 million
Bus PCIe x16 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be transported past the external memory interface within a second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G80) 320MB

Amazon.com

Check prices at:

GeForce 9800 GTX+

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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