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GeForce GTX 970M vs Radeon R9 M265X

Intro

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

Compare all of that to the Radeon R9 M265X, which has a GPU core clock speed of 575 MHz, and 2048 MB of GDDR5 RAM running at 1125 MHz through a 128-bit bus. It also is made up of 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the GeForce GTX 970M should perform a lot faster than the Radeon R9 M265X in general. (explain)

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

Texel Rate

The GeForce GTX 970M should be much (more or less 221%) faster with regards to 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 should be quite a bit (about 382%) better at AA than the Radeon R9 M265X, and capable of handling higher screen resolutions without losing too much performance. (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 max amount of data (counted in megabytes per second) that can be transferred past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better 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 per second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics 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 most pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the core clock speed. 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 output rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum 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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