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GeForce GTX 280 vs GeForce GTX 460 1GB

Intro

The GeForce GTX 280 makes use of a 65 nm design. nVidia has set the core speed at 602 MHz. The GDDR3 memory runs at a speed of 1107 MHz on this specific model. It features 240 SPUs along with 80 TAUs and 32 ROPs.

Compare all of that to the GeForce GTX 460 1GB, which has GPU clock speed of 675 MHz, and 1024 MB of GDDR5 RAM set to run at 900 MHz through a 256-bit bus. It also is made up of 336 Stream Processors, 56 Texture Address Units, and 32 Raster Operation 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 in general, because of 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 is quite a bit (more or less 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

If using a high screen resolution is important to you, then the GeForce GTX 460 1GB is superior to the GeForce GTX 280, but not by far. (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

GeForce GTX 460 1GB

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 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 maximum amount of information (in units of megabytes per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's 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 amount of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total number of 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 applied per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 280

Amazon.com

GeForce GTX 460 1GB

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

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