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GeForce GTX 285 2GB vs GeForce GTX 880M

Intro

The GeForce GTX 285 2GB features a GPU core clock speed of 648 MHz, and the 2048 MB of GDDR3 RAM runs at 1242 MHz through a 512-bit bus. It also is comprised of 240 Stream Processors, 80 TAUs, and 32 Raster Operation Units.

Compare those specs to the GeForce GTX 880M, which uses a 28 nm design. nVidia has set the core speed at 954 MHz. The GDDR5 memory is set to run at a speed of 1000 MHz on this model. It features 1536 SPUs as well as 128 Texture Address Units and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M 130 Watts
GeForce GTX 285 2GB 204 Watts
Difference: 74 Watts (57%)

Memory Bandwidth

In theory, the GeForce GTX 285 2GB should perform a lot faster than the GeForce GTX 880M in general. (explain)

GeForce GTX 285 2GB 158976 MB/sec
GeForce GTX 880M 128000 MB/sec
Difference: 30976 (24%)

Texel Rate

The GeForce GTX 880M is much (approximately 136%) better at anisotropic filtering than the GeForce GTX 285 2GB. (explain)

GeForce GTX 880M 122112 Mtexels/sec
GeForce GTX 285 2GB 51840 Mtexels/sec
Difference: 70272 (136%)

Pixel Rate

The GeForce GTX 880M is a lot (about 47%) better at full screen anti-aliasing than the GeForce GTX 285 2GB, and also able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 880M 30528 Mpixels/sec
GeForce GTX 285 2GB 20736 Mpixels/sec
Difference: 9792 (47%)

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 880M

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 880M
Manufacturer nVidia nVidia
Year January 15, 2009 March 12 2014
Code Name G200b GK104
Memory 2048 MB 4096 MB
Core Speed 648 MHz 954 MHz
Memory Speed 2484 MHz 4000 MHz
Power (Max TDP) 204 watts 130 watts
Bandwidth 158976 MB/sec 128000 MB/sec
Texel Rate 51840 Mtexels/sec 122112 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 30528 Mpixels/sec
Unified Shaders 240 1536
Texture Mapping Units 80 128
Render Output Units 32 32
Bus Type GDDR3 GDDR5
Bus Width 512-bit 256-bit
Fab Process 55 nm 28 nm
Transistors 1400 million (Unknown) million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 12
OpenGL Version OpenGL 3.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of data (in units of MB per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, 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 number of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total number of texture units of the card 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 applied per second.

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

Display Prices

Hide Prices

GeForce GTX 285 2GB

Amazon.com

Check prices at:

GeForce GTX 880M

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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