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GeForce GTX 550 Ti vs GeForce GTX 560

Intro

The GeForce GTX 550 Ti comes with a GPU 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 Raster Operation Units.

Compare those specs to the GeForce GTX 560, which uses a 40 nm design. nVidia has set the core frequency at 810 MHz. The GDDR5 RAM runs at a speed of 1001 MHz on this specific model. It features 336 SPUs along with 56 Texture Address Units and 32 Rasterization Operator 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

Performance-wise, the GeForce GTX 560 should in theory be much superior to 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 a lot (about 58%) faster with regards to 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

If running with a high resolution is important to you, then the GeForce GTX 560 is the winner, but 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

GeForce GTX 560

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
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 largest amount of data (in units of megabytes per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better 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 amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

GeForce GTX 550 Ti

GeForce GTX 560

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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