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GeForce GTX 275 vs GeForce GTX 980M

Intro

The GeForce GTX 275 makes use of a 55 nm design. nVidia has clocked the core frequency at 633 MHz. The GDDR3 memory is set to run at a frequency of 1134 MHz on this card. It features 240 SPUs as well as 80 TAUs and 28 ROPs.

Compare those specifications 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 runs at a speed of 1000 MHz on this model. It features 1536 SPUs as well as 96 Texture Address Units and 64 Rasterization Operator Units.

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

The GeForce GTX 980M should theoretically be just a bit faster than the GeForce GTX 275 overall. (explain)

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

Texel Rate

The GeForce GTX 980M should be much (about 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

The GeForce GTX 980M will be much (about 275%) faster with regards to FSAA than the GeForce GTX 275, and also should be able to handle higher screen resolutions without losing too much performance. (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: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be moved across the external memory interface in a second. It's calculated by multiplying the bus width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount 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 clock speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max 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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