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GeForce GTX 550 Ti vs GeForce GTX 560 Ti 448

Intro

The GeForce GTX 550 Ti makes use of a 40 nm design. nVidia has set the core speed at 900 MHz. The GDDR5 memory works at a speed of 1026 MHz on this card. It features 192 SPUs along with 32 TAUs and 24 ROPs.

Compare that to the GeForce GTX 560 Ti 448, which uses a 40 nm design. nVidia has clocked the core frequency at 732 MHz. The GDDR5 memory is set to run at a frequency of 900 MHz on this specific card. It features 448 SPUs as well as 56 Texture Address Units and 40 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 560 Ti 448		4200 points
GeForce GTX 550 Ti		1897 points
	Difference: 2303 (121%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti		116 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 94 Watts (81%)

Memory Bandwidth

In theory, the GeForce GTX 560 Ti 448 is 46% quicker than the GeForce GTX 550 Ti in general, due to its higher bandwidth. (explain)

GeForce GTX 560 Ti 448		144000 MB/sec
GeForce GTX 550 Ti		98496 MB/sec
	Difference: 45504 (46%)

Texel Rate

The GeForce GTX 560 Ti 448 will be much (about 42%) faster with regards to AF than the GeForce GTX 550 Ti. (explain)

GeForce GTX 560 Ti 448		40992 Mtexels/sec
GeForce GTX 550 Ti		28800 Mtexels/sec
	Difference: 12192 (42%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 560 Ti 448 is superior to the GeForce GTX 550 Ti, by a large margin. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
GeForce GTX 550 Ti		21600 Mpixels/sec
	Difference: 7680 (36%)

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

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GeForce GTX 560 Ti 448

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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 550 Ti	GeForce GTX 560 Ti 448
Manufacturer	nVidia	nVidia
Year	March 2011	December 2011
Code Name	GF116	GF110
Memory	1024 MB	1280 MB
Core Speed	900 MHz	732 MHz
Memory Speed	4104 MHz	3600 MHz
Power (Max TDP)	116 watts	210 watts
Bandwidth	98496 MB/sec	144000 MB/sec
Texel Rate	28800 Mtexels/sec	40992 Mtexels/sec
Pixel Rate	21600 Mpixels/sec	29280 Mpixels/sec
Unified Shaders	192	448
Texture Mapping Units	32	56
Render Output Units	24	40
Bus Type	GDDR5	GDDR5
Bus Width	192-bit	320-bit
Fab Process	40 nm	40 nm
Transistors	1170 million	3000 million
Bus	PCIe 2.1 x16	PCIe 2.0 x16
DirectX Version	DirectX 11	DirectX 11
OpenGL Version	OpenGL 4.1	OpenGL 4.2

Memory Bandwidth: Bandwidth is the largest amount of data (in units of MB per second) that can be moved across the external memory interface in one second. The number is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

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