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GeForce GTX 280 vs GeForce GTX 660 Ti

Intro

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

Compare all that to the GeForce GTX 660 Ti, which has a core clock speed of 915 MHz and a GDDR5 memory frequency of 1500 MHz. It also uses a 192-bit memory bus, and makes use of a 28 nm design. It features 1344 SPUs, 112 TAUs, and 24 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 Ti 150 Watts
GeForce GTX 280 236 Watts
Difference: 86 Watts (57%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 660 Ti will be 2% faster than the GeForce GTX 280 in general, because of its higher bandwidth. (explain)

GeForce GTX 660 Ti 144000 MB/sec
GeForce GTX 280 141696 MB/sec
Difference: 2304 (2%)

Texel Rate

The GeForce GTX 660 Ti will be much (approximately 113%) better at texture filtering than the GeForce GTX 280. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GTX 280 48160 Mtexels/sec
Difference: 54320 (113%)

Pixel Rate

The GeForce GTX 660 Ti will be a bit (approximately 14%) more effective at anti-aliasing than the GeForce GTX 280, and also able to handle higher resolutions better. (explain)

GeForce GTX 660 Ti 21960 Mpixels/sec
GeForce GTX 280 19264 Mpixels/sec
Difference: 2696 (14%)

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 280

Amazon.com

GeForce GTX 660 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

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Model GeForce GTX 280 GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year June 17, 2008 August 2012
Code Name G200 GK104
Memory 1024 MB 2048 MB
Core Speed 602 MHz 915 MHz
Memory Speed 2214 MHz 6000 MHz
Power (Max TDP) 236 watts 150 watts
Bandwidth 141696 MB/sec 144000 MB/sec
Texel Rate 48160 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 21960 Mpixels/sec
Unified Shaders 240 1344
Texture Mapping Units 80 112
Render Output Units 32 24
Bus Type GDDR3 GDDR5
Bus Width 512-bit 192-bit
Fab Process 65 nm 28 nm
Transistors 1400 million 3540 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.0
OpenGL Version OpenGL 3.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of data (measured in MB per second) that can be transferred past the external memory interface in a second. It is calculated by multiplying the interface width by the speed of its memory. If it uses DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 280

Amazon.com

GeForce GTX 660 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.

Comments

One Response to “GeForce GTX 280 vs GeForce GTX 660 Ti”
Mike'm says:

Looks like a decent upgrade.

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