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GeForce GTX 285 1GB vs GeForce GTX 460 (OEM)

Intro

The GeForce GTX 285 1GB uses a 55 nm design. nVidia has set the core frequency at 648 MHz. The GDDR3 memory runs at a frequency of 1242 MHz on this particular model. It features 240 SPUs along with 80 TAUs and 32 ROPs.

Compare all of that to the GeForce GTX 460 (OEM), which has a GPU core clock speed of 650 MHz, and 1024 MB of GDDR5 RAM set to run at 850 MHz through a 256-bit bus. It also is made up of 336 SPUs, 56 TAUs, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 (OEM) 150 Watts
GeForce GTX 285 1GB 204 Watts
Difference: 54 Watts (36%)

Memory Bandwidth

In theory, the GeForce GTX 285 1GB should perform quite a bit faster than the GeForce GTX 460 (OEM) overall. (explain)

GeForce GTX 285 1GB 158976 MB/sec
GeForce GTX 460 (OEM) 108800 MB/sec
Difference: 50176 (46%)

Texel Rate

The GeForce GTX 285 1GB is a lot (more or less 42%) more effective at texture filtering than the GeForce GTX 460 (OEM). (explain)

GeForce GTX 285 1GB 51840 Mtexels/sec
GeForce GTX 460 (OEM) 36400 Mtexels/sec
Difference: 15440 (42%)

Pixel Rate

The GeForce GTX 460 (OEM) should be just a bit (about 0%) more effective at AA than the GeForce GTX 285 1GB, and also should be capable of handling higher resolutions while still performing well. (explain)

GeForce GTX 460 (OEM) 20800 Mpixels/sec
GeForce GTX 285 1GB 20736 Mpixels/sec
Difference: 64 (0%)

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 285 1GB

Amazon.com

Check prices at:

GeForce GTX 460 (OEM)

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 285 1GB GeForce GTX 460 (OEM)
Manufacturer nVidia nVidia
Year January 15, 2009 October 2010
Code Name G200b GF104
Memory 1024 MB 1024 MB
Core Speed 648 MHz 650 MHz
Memory Speed 2484 MHz 3400 MHz
Power (Max TDP) 204 watts 150 watts
Bandwidth 158976 MB/sec 108800 MB/sec
Texel Rate 51840 Mtexels/sec 36400 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 20800 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 55 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 (counted in megabytes per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 285 1GB

Amazon.com

Check prices at:

GeForce GTX 460 (OEM)

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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