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GeForce 8800 GS vs Radeon HD 4670 1GB

Intro

The GeForce 8800 GS features a GPU core speed of 550 MHz, and the 384 MB of GDDR3 RAM is set to run at 800 MHz through a 192-bit bus. It also is comprised of 96 SPUs, 48 Texture Address Units, and 12 Raster Operation Units.

Compare all of that to the Radeon HD 4670 1GB, which features GPU core speed of 750 MHz, and 1024 MB of GDDR4/GDDR3/DDR3/DDR2 RAM running at 1100 MHz through a 128-bit bus. It also is made up of 320(64x5) Stream Processors, 32 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4670 1GB 70 Watts
GeForce 8800 GS 105 Watts
Difference: 35 Watts (50%)

Memory Bandwidth

Theoretically speaking, the GeForce 8800 GS will be 9% faster than the Radeon HD 4670 1GB in general, due to its greater bandwidth. (explain)

GeForce 8800 GS 38400 MB/sec
Radeon HD 4670 1GB 35200 MB/sec
Difference: 3200 (9%)

Texel Rate

The GeForce 8800 GS is a little bit (about 10%) better at AF than the Radeon HD 4670 1GB. (explain)

GeForce 8800 GS 26400 Mtexels/sec
Radeon HD 4670 1GB 24000 Mtexels/sec
Difference: 2400 (10%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce 8800 GS is the winner, but not by far. (explain)

GeForce 8800 GS 6600 Mpixels/sec
Radeon HD 4670 1GB 6000 Mpixels/sec
Difference: 600 (10%)

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:

Radeon HD 4670 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 GS Radeon HD 4670 1GB
Manufacturer nVidia AMD
Year Jan 2008 Sep 10, 2008
Code Name G92 RV730 XT
Memory 384 MB 1024 MB
Core Speed 550 MHz 750 MHz
Memory Speed 1600 MHz 2200 MHz
Power (Max TDP) 105 watts 70 watts
Bandwidth 38400 MB/sec 35200 MB/sec
Texel Rate 26400 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 6600 Mpixels/sec 6000 Mpixels/sec
Unified Shaders 96 320(64x5)
Texture Mapping Units 48 32
Render Output Units 12 8
Bus Type GDDR3 GDDR4/GDDR3/DDR3/DDR2
Bus Width 192-bit 128-bit
Fab Process 65 nm 55 nm
Transistors 754 million 514 million
Bus PCIe x16 2.0 PCIe 2.0 x16, AGP 8x
DirectX Version DirectX 10 DirectX 10.1
OpenGL Version OpenGL 3.0 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video 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 number of 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 rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory 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:

Radeon HD 4670 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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