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GeForce GTX 280 vs GeForce GTX 460 2GB

Intro

The GeForce GTX 280 comes with a GPU core clock speed of 602 MHz, and the 1024 MB of GDDR3 memory is set to run at 1107 MHz through a 512-bit bus. It also features 240 Stream Processors, 80 Texture Address Units, and 32 ROPs.

Compare that to the GeForce GTX 460 2GB, which makes use of a 40 nm design. nVidia has set the core speed at 675 MHz. The GDDR5 memory runs at a speed of 900 MHz on this model. It features 336 SPUs along with 56 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 2GB 160 Watts
GeForce GTX 280 236 Watts
Difference: 76 Watts (48%)

Memory Bandwidth

In theory, the GeForce GTX 280 should be quite a bit faster than the GeForce GTX 460 2GB in general. (explain)

GeForce GTX 280 141696 MB/sec
GeForce GTX 460 2GB 115200 MB/sec
Difference: 26496 (23%)

Texel Rate

The GeForce GTX 280 will be much (approximately 27%) faster with regards to texture filtering than the GeForce GTX 460 2GB. (explain)

GeForce GTX 280 48160 Mtexels/sec
GeForce GTX 460 2GB 37800 Mtexels/sec
Difference: 10360 (27%)

Pixel Rate

The GeForce GTX 460 2GB will be just a bit (about 12%) more effective at FSAA than the GeForce GTX 280, and should be able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 460 2GB 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

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GeForce GTX 280

Amazon.com

Check prices at:

GeForce GTX 460 2GB

Amazon.com

Check prices at:

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 460 2GB
Manufacturer nVidia nVidia
Year June 17, 2008 July 2010
Code Name G200 GF104
Memory 1024 MB 2048 MB
Core Speed 602 MHz 675 MHz
Memory Speed 2214 MHz 3600 MHz
Power (Max TDP) 236 watts 160 watts
Bandwidth 141696 MB/sec 115200 MB/sec
Texel Rate 48160 Mtexels/sec 37800 Mtexels/sec
Pixel Rate 19264 Mpixels/sec 21600 Mpixels/sec
Unified Shaders 240 336
Texture Mapping Units 80 56
Render Output Units 32 32
Bus Type GDDR3 GDDR5
Bus Width 512-bit 256-bit
Fab Process 65 nm 40 nm
Transistors 1400 million 1950 million
Bus PCIe x16 2.0 PCIe x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. 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 amount of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total number of texture units by the core 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GTX 280

Amazon.com

Check prices at:

GeForce GTX 460 2GB

Amazon.com

Check prices at:

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.

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