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GeForce GTX 850M vs Radeon R9 M375

Intro

The GeForce GTX 850M comes with a GPU core speed of 876 MHz, and the 2048 MB of DDR3 RAM runs at 1000 MHz through a 128-bit bus. It also features 640 SPUs, 40 Texture Address Units, and 16 Raster Operation Units.

Compare those specs to the Radeon R9 M375, which comes with a clock frequency of 1015 MHz and a DDR3 memory frequency of 1100 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It features 640 SPUs, 40 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R9 M375 should theoretically perform a small bit faster than the GeForce GTX 850M overall. (explain)

Radeon R9 M375 35200 MB/sec
GeForce GTX 850M 32000 MB/sec
Difference: 3200 (10%)

Texel Rate

The Radeon R9 M375 is a little bit (more or less 16%) more effective at AF than the GeForce GTX 850M. (explain)

Radeon R9 M375 40600 Mtexels/sec
GeForce GTX 850M 35040 Mtexels/sec
Difference: 5560 (16%)

Pixel Rate

The Radeon R9 M375 will be a bit (more or less 16%) faster with regards to FSAA than the GeForce GTX 850M, and also should be capable of handling higher screen resolutions more effectively. (explain)

Radeon R9 M375 16240 Mpixels/sec
GeForce GTX 850M 14016 Mpixels/sec
Difference: 2224 (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 850M

Amazon.com

Check prices at:

Radeon R9 M375

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 M375
Manufacturer nVidia AMD
Year March 12 2014 2015
Code Name GM107 Cape Verde
Memory 2048 MB 4096 MB
Core Speed 876 MHz 1015 MHz
Memory Speed 2000 MHz 2200 MHz
Power (Max TDP) 40 watts (Unknown) watts
Bandwidth 32000 MB/sec 35200 MB/sec
Texel Rate 35040 Mtexels/sec 40600 Mtexels/sec
Pixel Rate 14016 Mpixels/sec 16240 Mpixels/sec
Unified Shaders 640 640
Texture Mapping Units 40 40
Render Output Units 16 16
Bus Type DDR3 DDR3
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: Memory 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 calculated by multiplying the bus width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 850M

Amazon.com

Check prices at:

Radeon R9 M375

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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