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GeForce GTX 280 vs GeForce GTX 550 Ti


The GeForce GTX 280 has core speeds of 602 MHz on the GPU, and 1107 MHz on the 1024 MB of GDDR3 RAM. It features 240 SPUs along with 80 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the GeForce GTX 550 Ti, which has a core clock frequency of 900 MHz and a GDDR5 memory speed of 1026 MHz. It also features a 192-bit memory bus, and makes use of a 40 nm design. It features 192 SPUs, 32 TAUs, and 24 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
GeForce GTX 280 236 Watts
Difference: 120 Watts (103%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 280 should be 44% faster than the GeForce GTX 550 Ti in general, because of its higher data rate. (explain)

GeForce GTX 280 141696 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 43200 (44%)

Texel Rate

The GeForce GTX 280 is much (about 67%) better at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

GeForce GTX 280 48160 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 19360 (67%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 550 Ti is superior to the GeForce GTX 280, though not by far. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
GeForce GTX 280 19264 Mpixels/sec
Difference: 2336 (12%)

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 280

GeForce GTX 550 Ti

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.


Display Specifications

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Model GeForce GTX 280 GeForce GTX 550 Ti
Manufacturer nVidia nVidia
Year June 17, 2008 March 2011
Code Name G200 GF116
Memory 1024 MB 1024 MB
Core Speed 602 MHz 900 MHz
Memory Speed 2214 MHz 4104 MHz
Power (Max TDP) 236 watts 116 watts
Bandwidth 141696 MB/sec 98496 MB/sec
Texel Rate 48160 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 240 192
Texture Mapping Units 80 32
Render Output Units 32 24
Bus Type GDDR3 GDDR5
Bus Width 512-bit 192-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 1170 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported over the external memory interface in a second. The number is 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 DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.


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