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GeForce GTX 280 vs GeForce GTX 460 1GB

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 TAUs and 32 ROPs.

Compare those specs to the GeForce GTX 460 1GB, which makes use of a 40 nm design. nVidia has clocked the core speed at 675 MHz. The GDDR5 memory is set to run at a frequency of 900 MHz on this particular model. It features 336 SPUs along with 56 TAUs and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB 160 Watts
GeForce GTX 280 236 Watts
Difference: 76 Watts (48%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 280 is 23% quicker than the GeForce GTX 460 1GB overall, due to its greater data rate. (explain)

GeForce GTX 280 141696 MB/sec
GeForce GTX 460 1GB 115200 MB/sec
Difference: 26496 (23%)

Texel Rate

The GeForce GTX 280 should be quite a bit (approximately 27%) faster with regards to texture filtering than the GeForce GTX 460 1GB. (explain)

GeForce GTX 280 48160 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 10360 (27%)

Pixel Rate

The GeForce GTX 460 1GB should be a small bit (about 12%) faster with regards to anti-aliasing than the GeForce GTX 280, and also able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 460 1GB 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

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GeForce GTX 460 1GB

Amazon.com

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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 1GB
Manufacturer nVidia nVidia
Year June 17, 2008 July 2010
Code Name G200 GF104
Memory 1024 MB 1024 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: Bandwidth is the max amount of data (counted in MB per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 280

Amazon.com

Check prices at:

GeForce GTX 460 1GB

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.

Comments

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