A Question

Compare any two graphics cards:
VS

GeForce GTX 550 Ti vs GeForce GTX 560

Intro

The GeForce GTX 550 Ti features a GPU core clock speed of 900 MHz, and the 1024 MB of GDDR5 memory runs at 1026 MHz through a 192-bit bus. It also is comprised of 192 SPUs, 32 TAUs, and 24 ROPs.

Compare all of that to the GeForce GTX 560, which has GPU clock speed of 810 MHz, and 1024 MB of GDDR5 memory set to run at 1001 MHz through a 256-bit bus. It also is made up of 336 Stream Processors, 56 Texture Address Units, and 32 ROPs.

Display Graphs

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(No game benchmarks for this combination yet.)

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

In theory, the GeForce GTX 560 will be 30% quicker than the GeForce GTX 550 Ti in general, because of its greater bandwidth. (explain)

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

Texel Rate

The GeForce GTX 560 should be much (approximately 58%) more effective 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 (approximately 20%) better at anti-aliasing than the GeForce GTX 550 Ti, and should be capable of handling higher resolutions better. (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

Display Prices

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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

Display 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
Fab Process 40 nm 40 nm
Bus PCIe 2.1 x16 PCIe 2.0 x16
Memory 1024 MB 1024 MB
Core Speed 900 MHz 810 MHz
Shader Speed 1800 MHz 1600 MHz
Memory Speed 4104 MHz 4004 MHz
Unified Shaders 192 336
Texture Mapping Units 32 56
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1
Power (Max TDP) 116 watts 150 watts
Shader Model 5.0 5.0
Bandwidth 98496 MB/sec 128128 MB/sec
Texel Rate 28800 Mtexels/sec 45360 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 25920 Mpixels/sec

Memory Bandwidth: Bandwidth is the max amount of information (in units of MB per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 number of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the 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 maximum number 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 amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill 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 get to the maximum 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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