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GeForce GTX 970M vs Radeon R9 M365X

Intro

The GeForce GTX 970M makes use of a 28 nm design. nVidia has clocked the core speed at 924 MHz. The GDDR5 memory is set to run at a frequency of 1000 MHz on this particular model. It features 1280 SPUs along with 80 Texture Address Units and 48 Rasterization Operator Units.

Compare all of that to the Radeon R9 M365X, which features GPU clock speed of 925 MHz, and 4096 MB of GDDR5 RAM running at 1125 MHz through a 128-bit bus. It also features 640 Stream Processors, 40 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTX 970M should perform quite a bit faster than the Radeon R9 M365X overall. (explain)

GeForce GTX 970M 96000 MB/sec
Radeon R9 M365X 72000 MB/sec
Difference: 24000 (33%)

Texel Rate

The GeForce GTX 970M is quite a bit (approximately 100%) faster with regards to anisotropic filtering than the Radeon R9 M365X. (explain)

GeForce GTX 970M 73920 Mtexels/sec
Radeon R9 M365X 37000 Mtexels/sec
Difference: 36920 (100%)

Pixel Rate

The GeForce GTX 970M should be much (approximately 200%) more effective at FSAA than the Radeon R9 M365X, and capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX 970M 44352 Mpixels/sec
Radeon R9 M365X 14800 Mpixels/sec
Difference: 29552 (200%)

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

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Radeon R9 M365X

Amazon.com

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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 M365X
Manufacturer nVidia AMD
Year October 7 2014 2015
Code Name GM204 Cape Verde
Memory 3072 MB 4096 MB
Core Speed 924 MHz 925 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 37000 Mtexels/sec
Pixel Rate 44352 Mpixels/sec 14800 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 12
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transported across the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This is worked out by multiplying the total texture units 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 in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 970M

Amazon.com

Check prices at:

Radeon R9 M365X

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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