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GeForce 8800 GS vs Radeon HD 4670 1GB

Intro

The GeForce 8800 GS comes with a clock speed of 550 MHz and a GDDR3 memory speed of 800 MHz. It also features a 192-bit bus, and makes use of a 65 nm design. It is made up of 96 SPUs, 48 TAUs, and 12 ROPs.

Compare all of that to the Radeon HD 4670 1GB, which features a GPU core clock speed of 750 MHz, and 1024 MB of GDDR4/GDDR3/DDR3/DDR2 RAM set to run at 1100 MHz through a 128-bit bus. It also features 320(64x5) Stream Processors, 32 TAUs, 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% quicker than the Radeon HD 4670 1GB in general, because of its higher data rate. (explain)

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

Texel Rate

The GeForce 8800 GS will be a small bit (about 10%) better at texture filtering 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

The GeForce 8800 GS is a small bit (about 10%) better at anti-aliasing than the Radeon HD 4670 1GB, and will be able to handle higher resolutions without slowing down too much. (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 over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core 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 fill rate also depends on many 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

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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