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GeForce 8800 GTS (G92) vs GeForce 9800 GT 1GB

Intro

The GeForce 8800 GTS (G92) comes with core speeds of 650 MHz on the GPU, and 970 MHz on the 512 MB of GDDR3 memory. It features 128 SPUs along with 64 Texture Address Units and 16 ROPs.

Compare all that to the GeForce 9800 GT 1GB, which makes use of a 65/55 nm design. nVidia has clocked the core speed at 600 MHz. The GDDR3 RAM works at a frequency of 900 MHz on this specific model. It features 112 SPUs as well as 56 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9800 GT 1GB 105 Watts
GeForce 8800 GTS (G92) 135 Watts
Difference: 30 Watts (29%)

Memory Bandwidth

As far as performance goes, the GeForce 8800 GTS (G92) should in theory be a bit superior to the GeForce 9800 GT 1GB in general. (explain)

GeForce 8800 GTS (G92) 62080 MB/sec
GeForce 9800 GT 1GB 57600 MB/sec
Difference: 4480 (8%)

Texel Rate

The GeForce 8800 GTS (G92) is quite a bit (more or less 24%) more effective at AF than the GeForce 9800 GT 1GB. (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
GeForce 9800 GT 1GB 33600 Mtexels/sec
Difference: 8000 (24%)

Pixel Rate

The GeForce 8800 GTS (G92) should be a little bit (more or less 8%) more effective at anti-aliasing than the GeForce 9800 GT 1GB, and also should be able to handle higher resolutions while still performing well. (explain)

GeForce 8800 GTS (G92) 10400 Mpixels/sec
GeForce 9800 GT 1GB 9600 Mpixels/sec
Difference: 800 (8%)

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 (G92)

Amazon.com

Check prices at:

GeForce 9800 GT 1GB

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 (G92) GeForce 9800 GT 1GB
Manufacturer nVidia nVidia
Year Dec 2007 July 2008
Code Name G92 G92a/b
Memory 512 MB 1024 MB
Core Speed 650 MHz 600 MHz
Memory Speed 1940 MHz 1800 MHz
Power (Max TDP) 135 watts 105 watts
Bandwidth 62080 MB/sec 57600 MB/sec
Texel Rate 41600 Mtexels/sec 33600 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 9600 Mpixels/sec
Unified Shaders 128 112
Texture Mapping Units 64 56
Render Output Units 16 16
Bus Type GDDR3 GDDR3
Bus Width 256-bit 256-bit
Fab Process 65 nm 65/55 nm
Transistors 754 million 754 million
Bus PCIe x16 2.0 PCIe x16 2.0
DirectX Version DirectX 10 DirectX 10
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most 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 ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

GeForce 9800 GT 1GB

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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