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GeForce GTX 260 vs GeForce GTX 550 Ti

Intro

The GeForce GTX 260 has a GPU core speed of 576 MHz, and the 896 MB of GDDR3 memory runs at 999 MHz through a 448-bit bus. It also is comprised of 192 SPUs, 64 TAUs, and 28 Raster Operation Units.

Compare all that to the GeForce GTX 550 Ti, which has core clock speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 RAM. It features 192 SPUs as well as 32 TAUs and 24 Rasterization Operator Units.

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 260 182 Watts
Difference: 66 Watts (57%)

Memory Bandwidth

Theoretically, the GeForce GTX 260 should be just a bit faster 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 much (approximately 28%) faster with regards to texture 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

The GeForce GTX 550 Ti will be much (approximately 34%) better at AA than the GeForce GTX 260, and also able to handle higher screen resolutions more effectively. (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

Display Prices

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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

Display Specifications

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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 1998 MHz 4104 MHz
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 max amount of information (counted in megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the graphics 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 video card can possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Comments

One Response to “GeForce GTX 260 vs GeForce GTX 550 Ti”
Good GTX260 upgrade? - ABXZone Computer Forums says:

[...] 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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