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GeForce GTX 550 Ti vs GeForce GTX 560

Intro

The GeForce GTX 550 Ti uses a 40 nm design. nVidia has set the core frequency at 900 MHz. The GDDR5 memory works at a frequency of 1026 MHz on this particular model. It features 192 SPUs along with 32 Texture Address Units and 24 Rasterization Operator Units.

Compare those specs to the GeForce GTX 560, which has GPU core speed of 810 MHz, and 1024 MB of GDDR5 RAM set to run at 1001 MHz through a 256-bit bus. It also is comprised of 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
GeForce GTX 560 150 Watts
Difference: 34 Watts (29%)

Memory Bandwidth

The GeForce GTX 560 should in theory be a lot faster than the GeForce GTX 550 Ti overall. (explain)

GeForce GTX 560 128128 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 29632 (30%)

Texel Rate

The GeForce GTX 560 is quite a bit (about 58%) better at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

GeForce GTX 560 45360 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 16560 (58%)

Pixel Rate

The GeForce GTX 560 is just a bit (about 20%) faster with regards to full screen anti-aliasing than the GeForce GTX 550 Ti, and also should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 560 25920 Mpixels/sec
GeForce GTX 550 Ti 21600 Mpixels/sec
Difference: 4320 (20%)

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 550 Ti

Amazon.com

GeForce GTX 560

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

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Model GeForce GTX 550 Ti GeForce GTX 560
Manufacturer nVidia nVidia
Year March 2011 May 2011
Code Name GF116 GF114
Memory 1024 MB 1024 MB
Core Speed 900 MHz 810 MHz
Memory Speed 4104 MHz 4004 MHz
Power (Max TDP) 116 watts 150 watts
Bandwidth 98496 MB/sec 128128 MB/sec
Texel Rate 28800 Mtexels/sec 45360 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 25920 Mpixels/sec
Unified Shaders 192 336
Texture Mapping Units 32 56
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 1950 million
Bus PCIe 2.1 x16 PCIe 2.0 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs 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 fill 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 max fill rate.

Comments

One Response to “GeForce GTX 550 Ti vs GeForce GTX 560”
Looking for a new computer - My Les Paul Forums says:

[...] Re: Looking for a new computer The 560 has higher memory bandwidth, and all the additional CUDA cores, so it'll be a fair bit faster overall than the 550ti. GeForce GTX 550 Ti vs GeForce GTX 560 – Performance Comparison Benchmarks @ Hardware Compare [...]

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