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GeForce 8800 GS vs GeForce GT 220 GDDR3

Intro

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

Compare those specifications to the GeForce GT 220 GDDR3, which features GPU clock speed of 625 MHz, and 512 MB of GDDR3 memory set to run at 1012 MHz through a 128-bit bus. It also features 48 Stream Processors, 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

Theoretically speaking, the GeForce 8800 GS will be 19% faster than the GeForce GT 220 GDDR3 overall, due to its higher data rate. (explain)

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

Texel Rate

The GeForce 8800 GS will be quite a bit (approximately 164%) better at texture 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 using high levels of AA is important to you, then the GeForce 8800 GS is a better choice, and very much so. (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

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.

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 largest amount of information (in units of megabytes per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 applied per second. This number is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

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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