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GeForce 8800 GS vs GeForce GT 220 GDDR3

Intro

The GeForce 8800 GS comes with a core clock frequency of 550 MHz and a GDDR3 memory frequency of 800 MHz. It also uses a 192-bit memory bus, and makes use of a 65 nm design. It is comprised of 96 SPUs, 48 Texture Address Units, and 12 Raster Operation Units.

Compare those specs to the GeForce GT 220 GDDR3, which uses a 40 nm design. nVidia has set the core frequency at 625 MHz. The GDDR3 memory is set to run at a frequency of 1012 MHz on this card. It features 48 SPUs along with 16 TAUs and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 220 GDDR3 58 Watts
GeForce 8800 GS 105 Watts
Difference: 47 Watts (81%)

Memory Bandwidth

As far as performance goes, the GeForce 8800 GS should theoretically be just a bit better than the GeForce GT 220 GDDR3 in general. (explain)

GeForce 8800 GS 38400 MB/sec
GeForce GT 220 GDDR3 32384 MB/sec
Difference: 6016 (19%)

Texel Rate

The GeForce 8800 GS is much (about 164%) faster with regards to anisotropic filtering than the GeForce GT 220 GDDR3. (explain)

GeForce 8800 GS 26400 Mtexels/sec
GeForce GT 220 GDDR3 10000 Mtexels/sec
Difference: 16400 (164%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 8800 GS is a better choice, by a large margin. (explain)

GeForce 8800 GS 6600 Mpixels/sec
GeForce GT 220 GDDR3 5000 Mpixels/sec
Difference: 1600 (32%)

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

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GeForce GT 220 GDDR3

Amazon.com

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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 GS GeForce GT 220 GDDR3
Manufacturer nVidia nVidia
Year Jan 2008 October 2009
Code Name G92 GT216
Memory 384 MB 512 MB
Core Speed 550 MHz 625 MHz
Memory Speed 1600 MHz 2024 MHz
Power (Max TDP) 105 watts 58 watts
Bandwidth 38400 MB/sec 32384 MB/sec
Texel Rate 26400 Mtexels/sec 10000 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 5000 Mpixels/sec
Unified Shaders 96 48
Texture Mapping Units 48 16
Render Output Units 12 8
Bus Type GDDR3 GDDR3
Bus Width 192-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 486 million
Bus PCIe x16 2.0 PCIe 2.0
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transferred over the external memory interface within a second. It's worked out by multiplying the interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster 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 are processed per second. This number is calculated by multiplying the total amount of texture units by the core 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 per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate 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 fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 8800 GS

Amazon.com

Check prices at:

GeForce GT 220 GDDR3

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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