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GeForce GTX 280 vs GeForce GTX 460 1GB

Intro

The GeForce GTX 280 uses a 65 nm design. nVidia has clocked the core frequency at 602 MHz. The GDDR3 RAM is set to run at a frequency of 1107 MHz on this particular model. It features 240 SPUs along with 80 Texture Address Units and 32 ROPs.

Compare those specifications to the GeForce GTX 460 1GB, which comes with a GPU core 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 SPUs, 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

As far as performance goes, the GeForce GTX 280 should in theory be quite a bit better than the GeForce GTX 460 1GB in general. (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 (more or less 27%) more effective at anisotropic 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 will be a small bit (approximately 12%) more effective at full screen anti-aliasing than the GeForce GTX 280, and also will be capable of handling higher resolutions without slowing down too much. (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

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.

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: Memory bandwidth is the max amount of data (measured in MB per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

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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