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GeForce GTX 285 2GB vs GeForce GTX 980M

Intro

The GeForce GTX 285 2GB has clock speeds of 648 MHz on the GPU, and 1242 MHz on the 2048 MB of GDDR3 RAM. It features 240 SPUs along with 80 TAUs and 32 ROPs.

Compare those specs to the GeForce GTX 980M, which uses a 28 nm design. nVidia has set the core speed at 1038 MHz. The GDDR5 memory is set to run at a frequency of 1000 MHz on this particular model. It features 1536 SPUs along with 96 Texture Address Units 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

The GeForce GTX 285 2GB should in theory be quite a bit faster than the GeForce GTX 980M overall. (explain)

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

Texel Rate

The GeForce GTX 980M should be a lot (about 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%) more effective at FSAA than the GeForce GTX 285 2GB, and will be capable of handling higher resolutions without losing too much performance. (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 data (in units of MB per second) that can be moved over the external memory interface in a second. It's calculated by multiplying the card's interface width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 amount of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory 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 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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