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GeForce GTX 285 1GB vs GeForce GTX 880M

Intro

The GeForce GTX 285 1GB makes use of a 55 nm design. nVidia has set the core speed at 648 MHz. The GDDR3 RAM is set to run at a speed of 1242 MHz on this particular model. It features 240 SPUs as well as 80 Texture Address Units and 32 ROPs.

Compare those specifications to the GeForce GTX 880M, which uses a 28 nm design. nVidia has set the core speed at 954 MHz. The GDDR5 memory runs at a frequency of 1000 MHz on this specific card. It features 1536 SPUs along with 128 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M 130 Watts
GeForce GTX 285 1GB 204 Watts
Difference: 74 Watts (57%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 285 1GB is 24% faster than the GeForce GTX 880M overall, due to its higher bandwidth. (explain)

GeForce GTX 285 1GB 158976 MB/sec
GeForce GTX 880M 128000 MB/sec
Difference: 30976 (24%)

Texel Rate

The GeForce GTX 880M will be a lot (more or less 136%) faster with regards to anisotropic filtering than the GeForce GTX 285 1GB. (explain)

GeForce GTX 880M 122112 Mtexels/sec
GeForce GTX 285 1GB 51840 Mtexels/sec
Difference: 70272 (136%)

Pixel Rate

The GeForce GTX 880M will be a lot (approximately 47%) faster with regards to AA than the GeForce GTX 285 1GB, and will be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 880M 30528 Mpixels/sec
GeForce GTX 285 1GB 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 1GB

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 1GB GeForce GTX 880M
Manufacturer nVidia nVidia
Year January 15, 2009 March 12 2014
Code Name G200b GK104
Memory 1024 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: Memory bandwidth is the largest amount of information (counted in MB per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR memory, 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 anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units 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 output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 285 1GB

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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