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GeForce GTX 285 2GB vs GeForce GTX 980M

Intro

The GeForce GTX 285 2GB uses a 55 nm design. nVidia has clocked the core frequency at 648 MHz. The GDDR3 memory runs at a frequency of 1242 MHz on this model. It features 240 SPUs as well as 80 TAUs and 32 Rasterization Operator Units.

Compare all of that to the GeForce GTX 980M, which features clock speeds of 1038 MHz on the GPU, and 1000 MHz on the 4096 MB of GDDR5 RAM. It features 1536 SPUs along with 96 TAUs and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980M 100 Watts
GeForce GTX 285 2GB 204 Watts
Difference: 104 Watts (104%)

Memory Bandwidth

In theory, the GeForce GTX 285 2GB will be 24% faster than the GeForce GTX 980M overall, because of its higher bandwidth. (explain)

GeForce GTX 285 2GB 158976 MB/sec
GeForce GTX 980M 128000 MB/sec
Difference: 30976 (24%)

Texel Rate

The GeForce GTX 980M will be much (more or less 92%) faster with regards to AF than the GeForce GTX 285 2GB. (explain)

GeForce GTX 980M 99648 Mtexels/sec
GeForce GTX 285 2GB 51840 Mtexels/sec
Difference: 47808 (92%)

Pixel Rate

The GeForce GTX 980M will be a lot (approximately 220%) faster with regards to AA than the GeForce GTX 285 2GB, and capable of handling higher screen resolutions better. (explain)

GeForce GTX 980M 66432 Mpixels/sec
GeForce GTX 285 2GB 20736 Mpixels/sec
Difference: 45696 (220%)

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 980M

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 980M
Manufacturer nVidia nVidia
Year January 15, 2009 October 7 2014
Code Name G200b GM204
Memory 2048 MB 4096 MB
Core Speed 648 MHz 1038 MHz
Memory Speed 2484 MHz 4000 MHz
Power (Max TDP) 204 watts 100 watts
Bandwidth 158976 MB/sec 128000 MB/sec
Texel Rate 51840 Mtexels/sec 99648 Mtexels/sec
Pixel Rate 20736 Mpixels/sec 66432 Mpixels/sec
Unified Shaders 240 1536
Texture Mapping Units 80 96
Render Output Units 32 64
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 maximum amount of information (counted in megabytes per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If it uses DDR RAM, it must 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 anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of 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 amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 285 2GB

Amazon.com

Check prices at:

GeForce GTX 980M

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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