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GeForce GTX 285 2GB vs GeForce GTX 470

Intro

The GeForce GTX 285 2GB features a clock speed of 648 MHz and a GDDR3 memory speed of 1242 MHz. It also features a 512-bit bus, and makes use of a 55 nm design. It features 240 SPUs, 80 TAUs, and 32 ROPs.

Compare that to the GeForce GTX 470, which has a core clock frequency of 607 MHz and a GDDR5 memory speed of 837 MHz. It also features a 320-bit memory bus, and uses a 40 nm design. It is comprised of 448 SPUs, 56 TAUs, and 40 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 285 2GB 204 Watts
GeForce GTX 470 215 Watts
Difference: 11 Watts (5%)

Memory Bandwidth

Theoretically, the GeForce GTX 285 2GB should perform a little bit faster than the GeForce GTX 470 overall. (explain)

GeForce GTX 285 2GB 158976 MB/sec
GeForce GTX 470 133920 MB/sec
Difference: 25056 (19%)

Texel Rate

The GeForce GTX 285 2GB should be quite a bit (about 53%) faster with regards to texture filtering than the GeForce GTX 470. (explain)

GeForce GTX 285 2GB 51840 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 17848 (53%)

Pixel Rate

The GeForce GTX 470 is a little bit (more or less 17%) faster with regards to anti-aliasing than the GeForce GTX 285 2GB, and also should be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 470 24280 Mpixels/sec
GeForce GTX 285 2GB 20736 Mpixels/sec
Difference: 3544 (17%)

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 2GB

Amazon.com

Check prices at:

GeForce GTX 470

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 2GB GeForce GTX 470
Manufacturer nVidia nVidia
Year January 15, 2009 March 2010
Code Name G200b GF100
Memory 2048 MB 1280 MB
Core Speed 648 MHz 607 MHz
Memory Speed 2484 MHz 3348 MHz
Power (Max TDP) 204 watts 215 watts
Bandwidth 158976 MB/sec 133920 MB/sec
Texel Rate 51840 Mtexels/sec 33992 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 24280 Mpixels/sec
Unified Shaders 240 448
Texture Mapping Units 80 56
Render Output Units 32 40
Bus Type GDDR3 GDDR5
Bus Width 512-bit 320-bit
Fab Process 55 nm 40 nm
Transistors 1400 million 3000 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 maximum amount of information (measured in MB per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better 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 texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total number of texture units by the core clock 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 processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core 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 fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 285 2GB

Amazon.com

Check prices at:

GeForce GTX 470

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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