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GeForce GTX 285 1GB vs GeForce GTX 980M

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 runs at a speed of 1242 MHz on this particular card. It features 240 SPUs along with 80 Texture Address Units and 32 ROPs.

Compare all of that to the GeForce GTX 980M, which makes use of a 28 nm design. nVidia has clocked the core frequency at 1038 MHz. The GDDR5 memory is set to run at a speed of 1000 MHz on this specific card. It features 1536 SPUs as well as 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 1GB 204 Watts
Difference: 104 Watts (104%)

Memory Bandwidth

In theory, the GeForce GTX 285 1GB will be 24% faster than the GeForce GTX 980M in general, due to its higher bandwidth. (explain)

GeForce GTX 285 1GB 158976 MB/sec
GeForce GTX 980M 128000 MB/sec
Difference: 30976 (24%)

Texel Rate

The GeForce GTX 980M is a lot (more or less 92%) faster with regards to anisotropic filtering than the GeForce GTX 285 1GB. (explain)

GeForce GTX 980M 99648 Mtexels/sec
GeForce GTX 285 1GB 51840 Mtexels/sec
Difference: 47808 (92%)

Pixel Rate

The GeForce GTX 980M should be a lot (more or less 220%) more effective at full screen anti-aliasing than the GeForce GTX 285 1GB, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

GeForce GTX 980M 66432 Mpixels/sec
GeForce GTX 285 1GB 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 1GB

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 1GB GeForce GTX 980M
Manufacturer nVidia nVidia
Year January 15, 2009 October 7 2014
Code Name G200b GM204
Memory 1024 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 max amount of data (in units of megabytes per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This is worked out by multiplying the total texture units of the card by the core clock 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 applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant 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 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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