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GeForce 8800 GT 1GB vs Radeon HD 6750

Intro

The GeForce 8800 GT 1GB features a GPU core speed of 600 MHz, and the 1024 MB of GDDR3 RAM runs at 900 MHz through a 256-bit bus. It also is comprised of 112 SPUs, 56 TAUs, and 16 Raster Operation Units.

Compare that to the Radeon HD 6750, which features a clock frequency of 725 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 128-bit bus, and makes use of a 40 nm design. It is comprised of 720 SPUs, 36 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 86 Watts
GeForce 8800 GT 1GB 105 Watts
Difference: 19 Watts (22%)

Memory Bandwidth

The Radeon HD 6750 should in theory perform a bit faster than the GeForce 8800 GT 1GB overall. (explain)

Radeon HD 6750 64000 MB/sec
GeForce 8800 GT 1GB 57600 MB/sec
Difference: 6400 (11%)

Texel Rate

The GeForce 8800 GT 1GB will be quite a bit (approximately 29%) more effective at texture filtering than the Radeon HD 6750. (explain)

GeForce 8800 GT 1GB 33600 Mtexels/sec
Radeon HD 6750 26100 Mtexels/sec
Difference: 7500 (29%)

Pixel Rate

The Radeon HD 6750 is quite a bit (approximately 21%) more effective at FSAA than the GeForce 8800 GT 1GB, and should be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon HD 6750 11600 Mpixels/sec
GeForce 8800 GT 1GB 9600 Mpixels/sec
Difference: 2000 (21%)

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 6750

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 6750
Manufacturer nVidia AMD
Year Dec 2007 January 2011
Code Name G92 Juniper Pro
Memory 1024 MB 512 MB
Core Speed 600 MHz 725 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 105 watts 86 watts
Bandwidth 57600 MB/sec 64000 MB/sec
Texel Rate 33600 Mtexels/sec 26100 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 11600 Mpixels/sec
Unified Shaders 112 720
Texture Mapping Units 56 36
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 1040 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.0

Memory Bandwidth: Bandwidth is the largest amount of information (measured in MB per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster 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 are applied per second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the clock 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 output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8800 GT 1GB

Amazon.com

Check prices at:

Radeon HD 6750

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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