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GeForce 8800 GTS (G92) vs Radeon HD 6670 (OEM)

Intro

The GeForce 8800 GTS (G92) has a core clock speed of 650 MHz and a GDDR3 memory frequency of 970 MHz. It also uses a 256-bit memory bus, and uses a 65 nm design. It is made up of 128 SPUs, 64 TAUs, and 16 ROPs.

Compare those specifications to the Radeon HD 6670 (OEM), which makes use of a 40 nm design. AMD has set the core speed at 800 MHz. The GDDR5 RAM works at a frequency of 1000 MHz on this particular model. It features 480 SPUs as well as 24 Texture Address Units and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM) 63 Watts
GeForce 8800 GTS (G92) 135 Watts
Difference: 72 Watts (114%)

Memory Bandwidth

In theory, the Radeon HD 6670 (OEM) is 3% faster than the GeForce 8800 GTS (G92) overall, because of its higher bandwidth. (explain)

Radeon HD 6670 (OEM) 64000 MB/sec
GeForce 8800 GTS (G92) 62080 MB/sec
Difference: 1920 (3%)

Texel Rate

The GeForce 8800 GTS (G92) is a lot (approximately 117%) better at AF than the Radeon HD 6670 (OEM). (explain)

GeForce 8800 GTS (G92) 41600 Mtexels/sec
Radeon HD 6670 (OEM) 19200 Mtexels/sec
Difference: 22400 (117%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce 8800 GTS (G92) is the winner, and very much so. (explain)

GeForce 8800 GTS (G92) 10400 Mpixels/sec
Radeon HD 6670 (OEM) 6400 Mpixels/sec
Difference: 4000 (63%)

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 GTS (G92)

Amazon.com

Check prices at:

Radeon HD 6670 (OEM)

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 GTS (G92) Radeon HD 6670 (OEM)
Manufacturer nVidia AMD
Year Dec 2007 February 2011
Code Name G92 Turks
Memory 512 MB 512 MB
Core Speed 650 MHz 800 MHz
Memory Speed 1940 MHz 4000 MHz
Power (Max TDP) 135 watts 63 watts
Bandwidth 62080 MB/sec 64000 MB/sec
Texel Rate 41600 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 10400 Mpixels/sec 6400 Mpixels/sec
Unified Shaders 128 480
Texture Mapping Units 64 24
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 715 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure 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 graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce 8800 GTS (G92)

Amazon.com

Check prices at:

Radeon HD 6670 (OEM)

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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