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GeForce 8600 GTS vs Radeon HD 6570 (OEM) 1GB

Intro

The GeForce 8600 GTS has a clock frequency of 675 MHz and a GDDR3 memory speed of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 80 nm design. It features 32 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Compare all that to the Radeon HD 6570 (OEM) 1GB, which features a clock frequency of 650 MHz and a GDDR3 memory speed of 900 MHz. It also makes use of a 128-bit bus, and uses a 40 nm design. It is comprised 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 8600 GTS 75 Watts
Difference: 25 Watts (50%)

Memory Bandwidth

Theoretically speaking, the GeForce 8600 GTS should perform a bit faster than the Radeon HD 6570 (OEM) 1GB in general. (explain)

GeForce 8600 GTS 32000 MB/sec
Radeon HD 6570 (OEM) 1GB 28800 MB/sec
Difference: 3200 (11%)

Texel Rate

The Radeon HD 6570 (OEM) 1GB is a lot (about 44%) more effective at AF than the GeForce 8600 GTS. (explain)

Radeon HD 6570 (OEM) 1GB 15600 Mtexels/sec
GeForce 8600 GTS 10800 Mtexels/sec
Difference: 4800 (44%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce 8600 GTS is the winner, though only just barely. (explain)

GeForce 8600 GTS 5400 Mpixels/sec
Radeon HD 6570 (OEM) 1GB 5200 Mpixels/sec
Difference: 200 (4%)

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 8600 GTS

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.

Specifications

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Model GeForce 8600 GTS Radeon HD 6570 (OEM) 1GB
Manufacturer nVidia AMD
Year April 2007 February 2011
Code Name G84 Turks
Memory 512 MB 1024 MB
Core Speed 675 MHz 650 MHz
Memory Speed 2000 MHz 1800 MHz
Power (Max TDP) 75 watts 50 watts
Bandwidth 32000 MB/sec 28800 MB/sec
Texel Rate 10800 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 5400 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 32 480
Texture Mapping Units 16 24
Render Output Units 8 8
Bus Type GDDR3 GDDR3
Bus Width 128-bit 128-bit
Fab Process 80 nm 40 nm
Transistors 289 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 data (in units of MB per second) that can be transported past the external memory interface within a second. The number is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the video 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 amount of pixels the video card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core 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 lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 8600 GTS

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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