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GeForce 8800 GS vs GeForce 8800 GTS (G80) 320MB

Intro

The GeForce 8800 GS uses a 65 nm design. nVidia has set the core speed at 550 MHz. The GDDR3 RAM runs at a speed of 800 MHz on this specific card. It features 96 SPUs as well as 48 Texture Address Units and 12 ROPs.

Compare all of that to the GeForce 8800 GTS (G80) 320MB, which uses a 90 nm design. nVidia has clocked the core speed at 513 MHz. The GDDR3 RAM works at a frequency of 792 MHz on this specific card. It features 96 SPUs as well as 48 Texture Address Units and 20 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GS 105 Watts
GeForce 8800 GTS (G80) 320MB 143 Watts
Difference: 38 Watts (36%)

Memory Bandwidth

Performance-wise, the GeForce 8800 GTS (G80) 320MB should in theory be quite a bit superior to the GeForce 8800 GS in general. (explain)

GeForce 8800 GTS (G80) 320MB 63360 MB/sec
GeForce 8800 GS 38400 MB/sec
Difference: 24960 (65%)

Texel Rate

The GeForce 8800 GS should be a bit (about 7%) faster with regards to texture filtering than the GeForce 8800 GTS (G80) 320MB. (explain)

GeForce 8800 GS 26400 Mtexels/sec
GeForce 8800 GTS (G80) 320MB 24624 Mtexels/sec
Difference: 1776 (7%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce 8800 GTS (G80) 320MB is a better choice, and very much so. (explain)

GeForce 8800 GTS (G80) 320MB 10260 Mpixels/sec
GeForce 8800 GS 6600 Mpixels/sec
Difference: 3660 (55%)

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 GS

Amazon.com

Check prices at:

GeForce 8800 GTS (G80) 320MB

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 GS GeForce 8800 GTS (G80) 320MB
Manufacturer nVidia nVidia
Year Jan 2008 Feb 2007
Code Name G92 G80
Memory 384 MB 320 MB
Core Speed 550 MHz 513 MHz
Memory Speed 1600 MHz 1584 MHz
Power (Max TDP) 105 watts 143 watts
Bandwidth 38400 MB/sec 63360 MB/sec
Texel Rate 26400 Mtexels/sec 24624 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 10260 Mpixels/sec
Unified Shaders 96 96
Texture Mapping Units 48 48
Render Output Units 12 20
Bus Type GDDR3 GDDR3
Bus Width 192-bit 320-bit
Fab Process 65 nm 90 nm
Transistors 754 million 681 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the largest amount of information (measured in MB per second) that can be transferred across 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, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GS

Amazon.com

Check prices at:

GeForce 8800 GTS (G80) 320MB

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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