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GeForce GTX 860M vs Radeon R9 M365X

Intro

The GeForce GTX 860M features a GPU core clock speed of 797 MHz, and the 4096 MB of GDDR5 RAM is set to run at 1000 MHz through a 128-bit bus. It also is made up of 1152 Stream Processors, 96 TAUs, and 16 Raster Operation Units.

Compare all that to the Radeon R9 M365X, which features a core clock speed of 925 MHz and a GDDR5 memory speed of 1125 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is made up of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Performance-wise, the Radeon R9 M365X should theoretically be just a bit superior to the GeForce GTX 860M in general. (explain)

Radeon R9 M365X 72000 MB/sec
GeForce GTX 860M 64000 MB/sec
Difference: 8000 (13%)

Texel Rate

The GeForce GTX 860M should be quite a bit (approximately 107%) more effective at anisotropic filtering than the Radeon R9 M365X. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon R9 M365X 37000 Mtexels/sec
Difference: 39512 (107%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon R9 M365X is the winner, though only just barely. (explain)

Radeon R9 M365X 14800 Mpixels/sec
GeForce GTX 860M 12752 Mpixels/sec
Difference: 2048 (16%)

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 860M

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.

Specifications

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Model GeForce GTX 860M Radeon R9 M365X
Manufacturer nVidia AMD
Year March 12 2014 2015
Code Name GM107 Cape Verde
Memory 4096 MB 4096 MB
Core Speed 797 MHz 925 MHz
Memory Speed 4000 MHz 4500 MHz
Power (Max TDP) 45 watts (Unknown) watts
Bandwidth 64000 MB/sec 72000 MB/sec
Texel Rate 76512 Mtexels/sec 37000 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 14800 Mpixels/sec
Unified Shaders 1152 640
Texture Mapping Units 96 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-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: Bandwidth is the max amount of information (measured in megabytes per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the interface width by its memory clock speed. If it uses DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce GTX 860M

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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