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GeForce GTX 970M vs Radeon R9 M280X

Intro

The GeForce GTX 970M comes with a GPU core clock speed of 924 MHz, and the 3072 MB of GDDR5 memory is set to run at 1000 MHz through a 192-bit bus. It also is made up of 1280 SPUs, 80 TAUs, and 48 ROPs.

Compare those specifications to the Radeon R9 M280X, which uses a 28 nm design. AMD has set the core frequency at 900 MHz. The GDDR5 RAM runs at a frequency of 1375 MHz on this model. It features 896 SPUs as well as 56 TAUs and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

In theory, the GeForce GTX 970M should be a little bit faster than the Radeon R9 M280X in general. (explain)

GeForce GTX 970M 96000 MB/sec
Radeon R9 M280X 88000 MB/sec
Difference: 8000 (9%)

Texel Rate

The GeForce GTX 970M will be a lot (approximately 47%) faster with regards to anisotropic filtering than the Radeon R9 M280X. (explain)

GeForce GTX 970M 73920 Mtexels/sec
Radeon R9 M280X 50400 Mtexels/sec
Difference: 23520 (47%)

Pixel Rate

The GeForce GTX 970M is quite a bit (approximately 208%) more effective at full screen anti-aliasing than the Radeon R9 M280X, and will be able to handle higher resolutions better. (explain)

GeForce GTX 970M 44352 Mpixels/sec
Radeon R9 M280X 14400 Mpixels/sec
Difference: 29952 (208%)

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 970M

Amazon.com

Check prices at:

Radeon R9 M280X

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 970M Radeon R9 M280X
Manufacturer nVidia AMD
Year October 7 2014 Feb 9 2015
Code Name GM204 Saturn XT
Memory 3072 MB 4096 MB
Core Speed 924 MHz 900 MHz
Memory Speed 4000 MHz 5500 MHz
Power (Max TDP) 75 watts 75 watts
Bandwidth 96000 MB/sec 88000 MB/sec
Texel Rate 73920 Mtexels/sec 50400 Mtexels/sec
Pixel Rate 44352 Mpixels/sec 14400 Mpixels/sec
Unified Shaders 1280 896
Texture Mapping Units 80 56
Render Output Units 48 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be transferred over the external memory interface in one second. It is worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, the result should 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 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 is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 970M

Amazon.com

Check prices at:

Radeon R9 M280X

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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