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GeForce GTX 560 Ti vs Radeon HD 6770 1GB

Intro

The GeForce GTX 560 Ti comes with core speeds of 822 MHz on the GPU, and 1002 MHz on the 1024 MB of GDDR5 memory. It features 384 SPUs along with 64 TAUs and 32 Rasterization Operator Units.

Compare those specifications to the Radeon HD 6770 1GB, which has a GPU core clock speed of 900 MHz, and 1024 MB of GDDR5 memory set to run at 1050 MHz through a 128-bit bus. It also is made up of 800 SPUs, 40 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6770 1GB 108 Watts
GeForce GTX 560 Ti 170 Watts
Difference: 62 Watts (57%)

Memory Bandwidth

In theory, the GeForce GTX 560 Ti is 91% quicker than the Radeon HD 6770 1GB overall, because of its higher data rate. (explain)

GeForce GTX 560 Ti 128256 MB/sec
Radeon HD 6770 1GB 67200 MB/sec
Difference: 61056 (91%)

Texel Rate

The GeForce GTX 560 Ti should be much (approximately 46%) better at texture filtering than the Radeon HD 6770 1GB. (explain)

GeForce GTX 560 Ti 52608 Mtexels/sec
Radeon HD 6770 1GB 36000 Mtexels/sec
Difference: 16608 (46%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 560 Ti is the winner, by far. (explain)

GeForce GTX 560 Ti 26304 Mpixels/sec
Radeon HD 6770 1GB 14400 Mpixels/sec
Difference: 11904 (83%)

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 GTX 560 Ti

Amazon.com

Check prices at:

Radeon HD 6770 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 GTX 560 Ti Radeon HD 6770 1GB
Manufacturer nVidia AMD
Year January 2011 January 2011
Code Name GF114 Juniper XT
Memory 1024 MB 1024 MB
Core Speed 822 MHz 900 MHz
Memory Speed 4008 MHz 4200 MHz
Power (Max TDP) 170 watts 108 watts
Bandwidth 128256 MB/sec 67200 MB/sec
Texel Rate 52608 Mtexels/sec 36000 Mtexels/sec
Pixel Rate 26304 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 384 800
Texture Mapping Units 64 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 1040 million
Bus PCIe x16 PCIe 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 MB per second) that can be moved over the external memory interface in one second. It's calculated by multiplying the bus width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The higher this number, the better the video 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 graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 560 Ti

Amazon.com

Check prices at:

Radeon HD 6770 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.

Comments

One Response to “GeForce GTX 560 Ti vs Radeon HD 6770 1GB”
Achizitionare PC !! Sfaturi !! says:

[...] 2011 Uite aici comparatii intre 560 GTX Ti vs 6770 si 6870 vs 6770 : GeForce GTX 560 Ti vs Radeon HD 6770 1GB – Performance Comparison Benchmarks @ Hardware Compar... Radeon HD 6770 1GB vs Radeon HD 6850 – Performance Comparison Benchmarks @ Hardware Compare [...]

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