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GeForce 8800 GT 1GB vs Radeon HD 5670

Intro

The GeForce 8800 GT 1GB has a core clock frequency of 600 MHz and a GDDR3 memory frequency of 900 MHz. It also makes use of a 256-bit memory bus, and makes use of a 65 nm design. It is made up of 112 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Compare all of that to the Radeon HD 5670, which has a GPU core clock speed of 775 MHz, and 1024 MB of GDDR5 memory set to run at 1000 MHz through a 128-bit bus. It also features 400(80x5) SPUs, 20 TAUs, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce 8800 GT 1GB 105 Watts
Difference: 44 Watts (72%)

Memory Bandwidth

As far as performance goes, the Radeon HD 5670 should theoretically be a bit better than the GeForce 8800 GT 1GB in general. (explain)

Radeon HD 5670 64000 MB/sec
GeForce 8800 GT 1GB 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The GeForce 8800 GT 1GB will be a lot (approximately 117%) more effective at AF than the Radeon HD 5670. (explain)

GeForce 8800 GT 1GB 33600 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 18100 (117%)

Pixel Rate

The GeForce 8800 GT 1GB should be a lot (more or less 55%) better at full screen anti-aliasing than the Radeon HD 5670, and will be capable of handling higher screen resolutions more effectively. (explain)

GeForce 8800 GT 1GB 9600 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 3400 (55%)

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 GT 1GB

Amazon.com

Check prices at:

Radeon HD 5670

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 GT 1GB Radeon HD 5670
Manufacturer nVidia AMD
Year Dec 2007 January 14, 2010
Code Name G92 Redwood XT
Memory 1024 MB 1024 MB
Core Speed 600 MHz 775 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 105 watts 61 watts
Bandwidth 57600 MB/sec 64000 MB/sec
Texel Rate 33600 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 112 400(80x5)
Texture Mapping Units 56 20
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 627 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 3.2

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR 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 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka 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 reach the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 1GB

Amazon.com

Check prices at:

Radeon HD 5670

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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