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GeForce GTX 260 vs GeForce GTX 550 Ti

Intro

The GeForce GTX 260 comes with a clock speed of 576 MHz and a GDDR3 memory frequency 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 uses a 40 nm design. nVidia has clocked the core frequency at 900 MHz. The GDDR5 memory works at a frequency of 1026 MHz on this particular model. It features 192 SPUs as well as 32 TAUs and 24 Rasterization Operator 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

As far as performance goes, the GeForce GTX 260 should in theory be a bit better than the GeForce GTX 550 Ti overall. (explain)

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

Texel Rate

The GeForce GTX 260 is much (more or less 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

If running with lots of anti-aliasing is important to you, then the GeForce GTX 550 Ti is the winner, by a large margin. (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

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

GeForce GTX 260

Amazon.com

Other US-based stores

GeForce GTX 550 Ti

Amazon.com

Other US-based stores

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 largest amount of information (measured in megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high 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 number of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling 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 the video card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated 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 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 potential 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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