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GeForce GTX 550 Ti vs GeForce GTX 560

Intro

The GeForce GTX 550 Ti makes use of a 40 nm design. nVidia has set the core speed at 900 MHz. The GDDR5 RAM is set to run at a speed of 1026 MHz on this particular card. It features 192 SPUs as well as 32 TAUs and 24 ROPs.

Compare those specs to the GeForce GTX 560, which has GPU core speed of 810 MHz, and 1024 MB of GDDR5 memory set to run at 1001 MHz through a 256-bit bus. It also features 336 Stream Processors, 56 TAUs, and 32 ROPs.

(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 should be 30% faster than the GeForce GTX 550 Ti overall, due to its greater data rate. (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 (approximately 58%) faster with regards to AF 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

If running with a high resolution is important to you, then the GeForce GTX 560 is the winner, though not by far. (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

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

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 1026 MHz (4104 MHz effective) 1001 MHz (4004 MHz effective)
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: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Comments

One Response to “GeForce GTX 550 Ti vs GeForce GTX 560”
[...] 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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