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GeForce 940M vs Radeon R9 M365X

Intro

The GeForce 940M comes with a clock frequency of 1072 MHz and a DDR3 memory speed of 1000 MHz. It also uses a 64-bit memory bus, and makes use of a 28 nm design. It is comprised of 384 SPUs, 24 Texture Address Units, and 8 ROPs.

Compare those specs to the Radeon R9 M365X, which has a core clock frequency of 925 MHz and a GDDR5 memory speed of 1125 MHz. It also features a 128-bit memory bus, and makes use of a 28 nm design. It features 640 SPUs, 40 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 M365X should theoretically be much faster than the GeForce 940M overall. (explain)

Radeon R9 M365X 72000 MB/sec
GeForce 940M 16000 MB/sec
Difference: 56000 (350%)

Texel Rate

The Radeon R9 M365X will be a lot (approximately 44%) better at texture filtering than the GeForce 940M. (explain)

Radeon R9 M365X 37000 Mtexels/sec
GeForce 940M 25728 Mtexels/sec
Difference: 11272 (44%)

Pixel Rate

The Radeon R9 M365X will be much (approximately 73%) faster with regards to full screen anti-aliasing than the GeForce 940M, and also will be able to handle higher resolutions while still performing well. (explain)

Radeon R9 M365X 14800 Mpixels/sec
GeForce 940M 8576 Mpixels/sec
Difference: 6224 (73%)

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 940M

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 940M Radeon R9 M365X
Manufacturer nVidia AMD
Year March 12 2015 2015
Code Name GM108 Cape Verde
Memory 2048 MB 4096 MB
Core Speed 1072 MHz 925 MHz
Memory Speed 2000 MHz 4500 MHz
Power (Max TDP) (Unknown) watts (Unknown) watts
Bandwidth 16000 MB/sec 72000 MB/sec
Texel Rate 25728 Mtexels/sec 37000 Mtexels/sec
Pixel Rate 8576 Mpixels/sec 14800 Mpixels/sec
Unified Shaders 384 640
Texture Mapping Units 24 40
Render Output Units 8 16
Bus Type DDR3 GDDR5
Bus Width 64-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 largest amount of data (in units of megabytes per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once 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 AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the card will be at handling 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 could possibly record to the local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce 940M

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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