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GeForce GTX 850M vs Radeon R9 M370X

Intro

The GeForce GTX 850M has a GPU core clock speed of 876 MHz, and the 2048 MB of DDR3 RAM is set to run at 1000 MHz through a 128-bit bus. It also is comprised of 640 Stream Processors, 40 TAUs, and 16 ROPs.

Compare those specifications to the Radeon R9 M370X, which comes with GPU core speed of 800 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 speaking, the Radeon R9 M370X is 125% faster than the GeForce GTX 850M overall, due to its higher bandwidth. (explain)

Radeon R9 M370X 72000 MB/sec
GeForce GTX 850M 32000 MB/sec
Difference: 40000 (125%)

Texel Rate

The GeForce GTX 850M should be a small bit (approximately 10%) more effective at AF than the Radeon R9 M370X. (explain)

GeForce GTX 850M 35040 Mtexels/sec
Radeon R9 M370X 32000 Mtexels/sec
Difference: 3040 (10%)

Pixel Rate

The GeForce GTX 850M is just a bit (more or less 10%) more effective at full screen anti-aliasing than the Radeon R9 M370X, and will be capable of handling higher screen resolutions better. (explain)

GeForce GTX 850M 14016 Mpixels/sec
Radeon R9 M370X 12800 Mpixels/sec
Difference: 1216 (10%)

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 850M

Amazon.com

Check prices at:

Radeon R9 M370X

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 850M Radeon R9 M370X
Manufacturer nVidia AMD
Year March 12 2014 2015
Code Name GM107 Cape Verde
Memory 2048 MB 2048 MB
Core Speed 876 MHz 800 MHz
Memory Speed 2000 MHz 4500 MHz
Power (Max TDP) 40 watts (Unknown) watts
Bandwidth 32000 MB/sec 72000 MB/sec
Texel Rate 35040 Mtexels/sec 32000 Mtexels/sec
Pixel Rate 14016 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 640 640
Texture Mapping Units 40 40
Render Output Units 16 16
Bus Type DDR3 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 maximum amount of information (measured in megabytes per second) that can be transported across the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, 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 most pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of 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 850M

Amazon.com

Check prices at:

Radeon R9 M370X

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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