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GeForce GTX 260 vs GeForce GTX 550 Ti

Intro

The GeForce GTX 260 features a core clock speed of 576 MHz and a GDDR3 memory speed of 999 MHz. It also features a 448-bit memory bus, and makes use of a 65 nm design. It features 192 SPUs, 64 TAUs, and 28 ROPs.

Compare those specs to the GeForce GTX 550 Ti, which features a core clock frequency of 900 MHz and a GDDR5 memory speed of 1026 MHz. It also uses a 192-bit bus, and uses a 40 nm design. It is made up of 192 SPUs, 32 Texture Address Units, and 24 Raster Operation Units.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
GeForce GTX 260 182 Watts
Difference: 66 Watts (57%)

Memory Bandwidth

Performance-wise, the GeForce GTX 260 should in theory be a little bit better than the GeForce GTX 550 Ti in general. (explain)

GeForce GTX 260 111888 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 13392 (14%)

Texel Rate

The GeForce GTX 260 should be a lot (about 28%) better at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

GeForce GTX 260 36864 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 8064 (28%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 550 Ti is superior to the GeForce GTX 260, and very much so. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
GeForce GTX 260 16128 Mpixels/sec
Difference: 5472 (34%)

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 260

Amazon.com

GeForce GTX 550 Ti

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 260 GeForce GTX 550 Ti
Manufacturer nVidia nVidia
Year June 16, 2008 March 2011
Code Name G200 GF116
Fab Process 65 nm 40 nm
Bus PCIe x16 2.0 PCIe 2.1 x16
Memory 896 MB 1024 MB
Core Speed 576 MHz 900 MHz
Shader Speed 1242 MHz 1800 MHz
Memory Speed 999 MHz (1998 MHz effective) 1026 MHz (4104 MHz effective)
Unified Shaders 192 192
Texture Mapping Units 64 32
Render Output Units 28 24
Bus Type GDDR3 GDDR5
Bus Width 448-bit 192-bit
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1
Power (Max TDP) 182 watts 116 watts
Shader Model 4.0 5.0
Bandwidth 111888 MB/sec 98496 MB/sec
Texel Rate 36864 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 16128 Mpixels/sec 21600 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in MB per second) that can be transferred over the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, 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 number of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Comments

One Response to “GeForce GTX 260 vs GeForce GTX 550 Ti”
[...] Good GTX260 upgrade? Some more GeForce GTX 260 vs GeForce GTX 550 Ti – Performance Comparison Benchmarks @ Hardware Compare Btw when my Asus 470 broke they offered me a GTX 550 TI for trade (which I didn't take but that's [...]

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