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


Intro

The GeForce GTX 560 Ti features a core clock frequency of 822 MHz and a GDDR5 memory speed of 1002 MHz. It also features a 256-bit memory bus, and makes use of a 40 nm design. It features 384 SPUs, 64 Texture Address Units, and 32 Raster Operation Units.

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

Display Graphs

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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

In theory, the GeForce GTX 560 Ti is 100% faster than the Radeon HD 6570 (OEM) 2GB overall, because of its greater bandwidth. (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 should be quite a bit (more or less 237%) better at 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 using high levels of AA is important to you, then the GeForce GTX 560 Ti is a better choice, 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

Radeon HD 6570 (OEM) 2GB

Specifications

Display Specifications

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Model GeForce GTX 560 Ti Radeon HD 6570 (OEM) 2GB
Manufacturer nVidia AMD
Year January 2011 February 2011
Code Name GF114 Turks
Memory 1024 MB 1024 MB
Core Speed 822 MHz 650 MHz
Memory Speed 4008 MHz 4000 MHz
Power (Max TDP) 170 watts 50 watts
Bandwidth 128256 MB/sec 64000 MB/sec
Texel Rate 52608 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 26304 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 384 480
Texture Mapping Units 64 24
Render Output Units 32 8
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 715 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units of the card by the core clock 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 applied per second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

GeForce GTX 560 Ti

Radeon HD 6570 (OEM) 2GB

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