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GeForce GTX 285 1GB vs GeForce GTX 470

Intro

The GeForce GTX 285 1GB uses a 55 nm design. nVidia has clocked the core frequency at 648 MHz. The GDDR3 memory is set to run at a frequency of 1242 MHz on this specific model. It features 240 SPUs along with 80 Texture Address Units and 32 ROPs.

Compare that to the GeForce GTX 470, which features GPU core speed of 607 MHz, and 1280 MB of GDDR5 RAM running at 837 MHz through a 320-bit bus. It also is made up of 448 Stream Processors, 56 Texture Address Units, and 40 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 285 1GB 204 Watts
GeForce GTX 470 215 Watts
Difference: 11 Watts (5%)

Memory Bandwidth

The GeForce GTX 285 1GB should theoretically perform a small bit faster than the GeForce GTX 470 in general. (explain)

GeForce GTX 285 1GB 158976 MB/sec
GeForce GTX 470 133920 MB/sec
Difference: 25056 (19%)

Texel Rate

The GeForce GTX 285 1GB is quite a bit (more or less 53%) better at texture filtering than the GeForce GTX 470. (explain)

GeForce GTX 285 1GB 51840 Mtexels/sec
GeForce GTX 470 33992 Mtexels/sec
Difference: 17848 (53%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 470 is the winner, though only just barely. (explain)

GeForce GTX 470 24280 Mpixels/sec
GeForce GTX 285 1GB 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 1GB

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 1GB GeForce GTX 470
Manufacturer nVidia nVidia
Year January 15, 2009 March 2010
Code Name G200b GF100
Memory 1024 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 largest amount of information (measured in MB per second) that can be moved over the external memory interface in one second. It is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to 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 memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 285 1GB

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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