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GeForce GTX 285 1GB vs GeForce GTX 980M

Intro

The GeForce GTX 285 1GB comes with a core clock speed of 648 MHz and a GDDR3 memory frequency of 1242 MHz. It also makes use of a 512-bit bus, and makes use of a 55 nm design. It is comprised of 240 SPUs, 80 Texture Address Units, and 32 ROPs.

Compare those specifications to the GeForce GTX 980M, which uses a 28 nm design. nVidia has clocked the core frequency at 1038 MHz. The GDDR5 memory works at a frequency of 1000 MHz on this particular card. It features 1536 SPUs as well as 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 1GB 204 Watts
Difference: 104 Watts (104%)

Memory Bandwidth

Theoretically, the GeForce GTX 285 1GB should perform a lot faster than the GeForce GTX 980M in general. (explain)

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

Texel Rate

The GeForce GTX 980M will be quite a bit (more or less 92%) more effective at 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 quite a bit (more or less 220%) better at FSAA than the GeForce GTX 285 1GB, and should be capable of handling higher resolutions while still performing well. (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 maximum amount of data (measured in MB per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the better 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 number of texture map elements (texels) that are processed in one second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the 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 its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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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.

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