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GeForce GTX 560 Ti vs Radeon HD 6770 1GB

Intro

The GeForce GTX 560 Ti has 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 Texture Address Units and 32 Rasterization Operator Units.

Compare those specifications to the Radeon HD 6770 1GB, which uses a 40 nm design. AMD has clocked the core speed at 900 MHz. The GDDR5 RAM works at a speed of 1050 MHz on this card. It features 800 SPUs as well as 40 Texture Address Units and 16 Rasterization Operator Units.

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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

Performance-wise, the GeForce GTX 560 Ti should theoretically be quite a bit superior to the Radeon HD 6770 1GB overall. (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%) more effective at AF 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

The GeForce GTX 560 Ti will be quite a bit (approximately 83%) better at AA than the Radeon HD 6770 1GB, and able to handle higher resolutions more effectively. (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

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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: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported past the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the clock speed of the card. 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 also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max 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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