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GeForce GTX 970M vs Radeon R9 M265X

Intro

The GeForce GTX 970M has a GPU clock speed of 924 MHz, and the 3072 MB of GDDR5 RAM runs at 1000 MHz through a 192-bit bus. It also is made up of 1280 Stream Processors, 80 Texture Address Units, and 48 ROPs.

Compare all of that to the Radeon R9 M265X, which makes use of a 28 nm design. AMD has set the core speed at 575 MHz. The GDDR5 RAM is set to run at a frequency of 1125 MHz on this particular model. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 970M is 33% faster than the Radeon R9 M265X overall, due to its greater bandwidth. (explain)

GeForce GTX 970M 96000 MB/sec
Radeon R9 M265X 72000 MB/sec
Difference: 24000 (33%)

Texel Rate

The GeForce GTX 970M should be a lot (more or less 221%) more effective at AF than the Radeon R9 M265X. (explain)

GeForce GTX 970M 73920 Mtexels/sec
Radeon R9 M265X 23000 Mtexels/sec
Difference: 50920 (221%)

Pixel Rate

The GeForce GTX 970M is a lot (approximately 382%) more effective at full screen anti-aliasing than the Radeon R9 M265X, and able to handle higher resolutions more effectively. (explain)

GeForce GTX 970M 44352 Mpixels/sec
Radeon R9 M265X 9200 Mpixels/sec
Difference: 35152 (382%)

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 M265X

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 M265X
Manufacturer nVidia AMD
Year October 7 2014 May 1 2014
Code Name GM204 Venus Pro
Memory 3072 MB 2048 MB
Core Speed 924 MHz 575 MHz
Memory Speed 4000 MHz 4500 MHz
Power (Max TDP) 75 watts (Unknown) watts
Bandwidth 96000 MB/sec 72000 MB/sec
Texel Rate 73920 Mtexels/sec 23000 Mtexels/sec
Pixel Rate 44352 Mpixels/sec 9200 Mpixels/sec
Unified Shaders 1280 640
Texture Mapping Units 80 40
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 largest amount of information (counted in megabytes per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This number is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the graphics 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 per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock 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 also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 970M

Amazon.com

Check prices at:

Radeon R9 M265X

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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