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GeForce GTX 285 1GB vs GeForce GTX 980M

Intro

The GeForce GTX 285 1GB comes with core clock speeds of 648 MHz on the GPU, and 1242 MHz on the 1024 MB of GDDR3 RAM. It features 240 SPUs along with 80 TAUs and 32 Rasterization Operator Units.

Compare those specs to the GeForce GTX 980M, which uses a 28 nm design. nVidia has set the core frequency at 1038 MHz. The GDDR5 RAM works at a speed of 1000 MHz on this model. It features 1536 SPUs along with 96 Texture Address Units and 64 Rasterization Operator Units.

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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

Theoretically speaking, the GeForce GTX 285 1GB is 24% faster than the GeForce GTX 980M in general, because of its greater data rate. (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 (about 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 is much (about 220%) more effective at FSAA than the GeForce GTX 285 1GB, and also will be able to handle higher screen resolutions more effectively. (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 (counted in MB per second) that can be transferred across the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. If the card has DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the 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 maximum number of pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - 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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