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GeForce 8800 GT 1GB vs Radeon HD 6570 (OEM) 2GB

Intro

The GeForce 8800 GT 1GB makes use of a 65 nm design. nVidia has set the core frequency at 600 MHz. The GDDR3 memory works at a frequency of 900 MHz on this particular model. It features 112 SPUs along with 56 Texture Address Units and 16 ROPs.

Compare all of that to the Radeon HD 6570 (OEM) 2GB, which comes with a clock speed of 650 MHz and a GDDR5 memory frequency of 1000 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It is comprised of 480 SPUs, 24 Texture Address Units, and 8 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 2GB 50 Watts
GeForce 8800 GT 1GB 105 Watts
Difference: 55 Watts (110%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6570 (OEM) 2GB is 11% faster than the GeForce 8800 GT 1GB overall, because of its greater data rate. (explain)

Radeon HD 6570 (OEM) 2GB 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 115%) more effective at texture filtering than the Radeon HD 6570 (OEM) 2GB. (explain)

GeForce 8800 GT 1GB 33600 Mtexels/sec
Radeon HD 6570 (OEM) 2GB 15600 Mtexels/sec
Difference: 18000 (115%)

Pixel Rate

The GeForce 8800 GT 1GB should be quite a bit (about 85%) faster with regards to full screen anti-aliasing than the Radeon HD 6570 (OEM) 2GB, and also capable of handling higher resolutions while still performing well. (explain)

GeForce 8800 GT 1GB 9600 Mpixels/sec
Radeon HD 6570 (OEM) 2GB 5200 Mpixels/sec
Difference: 4400 (85%)

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 6570 (OEM) 2GB

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 6570 (OEM) 2GB
Manufacturer nVidia AMD
Year Dec 2007 February 2011
Code Name G92 Turks
Memory 1024 MB 1024 MB
Core Speed 600 MHz 650 MHz
Memory Speed 1800 MHz 4000 MHz
Power (Max TDP) 105 watts 50 watts
Bandwidth 57600 MB/sec 64000 MB/sec
Texel Rate 33600 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 9600 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 112 480
Texture Mapping Units 56 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 largest amount of data (measured in MB per second) that can be transferred over the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, 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 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 calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially 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 GT 1GB

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 2GB

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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