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GeForce 8800 Ultra vs Radeon HD 6570 (OEM) 1GB

Intro

The GeForce 8800 Ultra features a GPU clock speed of 612 MHz, and the 768 MB of GDDR3 RAM is set to run at 1080 MHz through a 384-bit bus. It also features 128 SPUs, 64 TAUs, and 24 ROPs.

Compare those specifications to the Radeon HD 6570 (OEM) 1GB, which has a clock frequency of 650 MHz and a GDDR3 memory speed of 900 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It is made up of 480 SPUs, 24 Texture Address Units, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 1GB 50 Watts
GeForce 8800 Ultra 171 Watts
Difference: 121 Watts (242%)

Memory Bandwidth

Theoretically speaking, the GeForce 8800 Ultra will be 260% quicker than the Radeon HD 6570 (OEM) 1GB in general, because of its higher bandwidth. (explain)

GeForce 8800 Ultra 103680 MB/sec
Radeon HD 6570 (OEM) 1GB 28800 MB/sec
Difference: 74880 (260%)

Texel Rate

The GeForce 8800 Ultra is quite a bit (more or less 151%) faster with regards to texture filtering than the Radeon HD 6570 (OEM) 1GB. (explain)

GeForce 8800 Ultra 39168 Mtexels/sec
Radeon HD 6570 (OEM) 1GB 15600 Mtexels/sec
Difference: 23568 (151%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce 8800 Ultra is the winner, and very much so. (explain)

GeForce 8800 Ultra 14688 Mpixels/sec
Radeon HD 6570 (OEM) 1GB 5200 Mpixels/sec
Difference: 9488 (182%)

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 Ultra

Amazon.com

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Radeon HD 6570 (OEM) 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 Ultra Radeon HD 6570 (OEM) 1GB
Manufacturer nVidia AMD
Year May 2007 February 2011
Code Name G80 Turks
Memory 768 MB 1024 MB
Core Speed 612 MHz 650 MHz
Memory Speed 2160 MHz 1800 MHz
Power (Max TDP) 171 watts 50 watts
Bandwidth 103680 MB/sec 28800 MB/sec
Texel Rate 39168 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 14688 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 128 480
Texture Mapping Units 64 24
Render Output Units 24 8
Bus Type GDDR3 GDDR3
Bus Width 384-bit 128-bit
Fab Process 90 nm 40 nm
Transistors 681 million 715 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units of the card 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 in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out 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 rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce 8800 Ultra

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 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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