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GeForce GTX 280 vs GeForce GTX 980M

Intro

The GeForce GTX 280 comes with a core clock frequency of 602 MHz and a GDDR3 memory frequency of 1107 MHz. It also makes use of a 512-bit bus, and uses a 65 nm design. It is comprised of 240 SPUs, 80 TAUs, and 32 Raster Operation Units.

Compare those specifications to the GeForce GTX 980M, which comes with core speeds of 1038 MHz on the GPU, and 1000 MHz on the 4096 MB of GDDR5 memory. 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 280 236 Watts
Difference: 136 Watts (136%)

Memory Bandwidth

Performance-wise, the GeForce GTX 280 should theoretically be a small bit better than the GeForce GTX 980M in general. (explain)

GeForce GTX 280 141696 MB/sec
GeForce GTX 980M 128000 MB/sec
Difference: 13696 (11%)

Texel Rate

The GeForce GTX 980M will be much (approximately 107%) faster with regards to anisotropic filtering than the GeForce GTX 280. (explain)

GeForce GTX 980M 99648 Mtexels/sec
GeForce GTX 280 48160 Mtexels/sec
Difference: 51488 (107%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 980M is the winner, by far. (explain)

GeForce GTX 980M 66432 Mpixels/sec
GeForce GTX 280 19264 Mpixels/sec
Difference: 47168 (245%)

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 280

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 280 GeForce GTX 980M
Manufacturer nVidia nVidia
Year June 17, 2008 October 7 2014
Code Name G200 GM204
Memory 1024 MB 4096 MB
Core Speed 602 MHz 1038 MHz
Memory Speed 2214 MHz 4000 MHz
Power (Max TDP) 236 watts 100 watts
Bandwidth 141696 MB/sec 128000 MB/sec
Texel Rate 48160 Mtexels/sec 99648 Mtexels/sec
Pixel Rate 19264 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 65 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 MB per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the interface width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 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 by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core 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 output rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 280

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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