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GeForce GTX 560 Ti vs Radeon HD 6570 (OEM) 2GB

Intro

The GeForce GTX 560 Ti uses a 40 nm design. nVidia has clocked the core frequency at 822 MHz. The GDDR5 memory is set to run at a frequency of 1002 MHz on this particular model. It features 384 SPUs as well as 64 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the Radeon HD 6570 (OEM) 2GB, which has clock speeds of 650 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 RAM. It features 480 SPUs along with 24 TAUs and 8 ROPs.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 2GB 50 Watts
GeForce GTX 560 Ti 170 Watts
Difference: 120 Watts (240%)

Memory Bandwidth

The GeForce GTX 560 Ti, in theory, should perform quite a bit faster than the Radeon HD 6570 (OEM) 2GB in general. (explain)

GeForce GTX 560 Ti 128256 MB/sec
Radeon HD 6570 (OEM) 2GB 64000 MB/sec
Difference: 64256 (100%)

Texel Rate

The GeForce GTX 560 Ti will be a lot (about 237%) faster with regards to AF than the Radeon HD 6570 (OEM) 2GB. (explain)

GeForce GTX 560 Ti 52608 Mtexels/sec
Radeon HD 6570 (OEM) 2GB 15600 Mtexels/sec
Difference: 37008 (237%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 560 Ti is the winner, by a large margin. (explain)

GeForce GTX 560 Ti 26304 Mpixels/sec
Radeon HD 6570 (OEM) 2GB 5200 Mpixels/sec
Difference: 21104 (406%)

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

GeForce GTX 560 Ti

Amazon.com

Radeon HD 6570 (OEM) 2GB

Amazon.com

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

Model GeForce GTX 560 Ti Radeon HD 6570 (OEM) 2GB
Manufacturer nVidia AMD
Year January 2011 February 2011
Code Name GF114 Turks
Fab Process 40 nm 40 nm
Bus PCIe x16 PCIe 2.1 x16
Memory 1024 MB 1024 MB
Core Speed 822 MHz 650 MHz
Shader Speed 1645 MHz (N/A) MHz
Memory Speed 1002 MHz (4008 MHz effective) 1000 MHz (4000 MHz effective)
Unified Shaders 384 480
Texture Mapping Units 64 24
Render Output Units 32 8
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1
Power (Max TDP) 170 watts 50 watts
Shader Model 5.0 5.0
Bandwidth 128256 MB/sec 64000 MB/sec
Texel Rate 52608 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 26304 Mpixels/sec 5200 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

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