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GeForce GTX 275 vs GeForce GTX 980M

Intro

The GeForce GTX 275 comes with a core clock frequency of 633 MHz and a GDDR3 memory speed of 1134 MHz. It also uses a 448-bit memory bus, and uses a 55 nm design. It is comprised of 240 SPUs, 80 TAUs, and 28 ROPs.

Compare those specifications to the GeForce GTX 980M, which features clock speeds of 1038 MHz on the GPU, and 1000 MHz on the 4096 MB of GDDR5 RAM. It features 1536 SPUs along with 96 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 980M 100 Watts
GeForce GTX 275 219 Watts
Difference: 119 Watts (119%)

Memory Bandwidth

In theory, the GeForce GTX 980M is 1% quicker than the GeForce GTX 275 overall, because of its greater bandwidth. (explain)

GeForce GTX 980M 128000 MB/sec
GeForce GTX 275 127008 MB/sec
Difference: 992 (1%)

Texel Rate

The GeForce GTX 980M should be a lot (approximately 97%) better at texture filtering than the GeForce GTX 275. (explain)

GeForce GTX 980M 99648 Mtexels/sec
GeForce GTX 275 50640 Mtexels/sec
Difference: 49008 (97%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 980M is superior to the GeForce GTX 275, by far. (explain)

GeForce GTX 980M 66432 Mpixels/sec
GeForce GTX 275 17724 Mpixels/sec
Difference: 48708 (275%)

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 275

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 275 GeForce GTX 980M
Manufacturer nVidia nVidia
Year April 9, 2009 October 7 2014
Code Name G200b GM204
Memory 896 MB 4096 MB
Core Speed 633 MHz 1038 MHz
Memory Speed 2268 MHz 4000 MHz
Power (Max TDP) 219 watts 100 watts
Bandwidth 127008 MB/sec 128000 MB/sec
Texel Rate 50640 Mtexels/sec 99648 Mtexels/sec
Pixel Rate 17724 Mpixels/sec 66432 Mpixels/sec
Unified Shaders 240 1536
Texture Mapping Units 80 96
Render Output Units 28 64
Bus Type GDDR3 GDDR5
Bus Width 448-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: Bandwidth is the largest amount of data (in units of MB per second) that can be transported over the external memory interface within a second. It's worked out by multiplying the interface width by the speed of its memory. If the card has 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 better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total texture units 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 in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant 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 maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 275

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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