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GeForce 810M vs Radeon R5 M255

Intro

The GeForce 810M has a core clock speed of 738 MHz and a DDR3 memory frequency of 900 MHz. It also makes use of a 64-bit memory bus, and makes use of a 28 nm design. It is comprised of 48 SPUs, 8 TAUs, and 4 ROPs.

Compare those specs to the Radeon R5 M255, which comes with a core clock frequency of 940 MHz and a DDR3 memory speed of 1000 MHz. It also uses a 64-bit memory bus, and uses a 28 nm design. It is made up of 320 SPUs, 20 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R5 M255 is 11% quicker than the GeForce 810M in general, because of its greater bandwidth. (explain)

Radeon R5 M255 16000 MB/sec
GeForce 810M 14400 MB/sec
Difference: 1600 (11%)

Texel Rate

The Radeon R5 M255 is quite a bit (approximately 218%) faster with regards to AF than the GeForce 810M. (explain)

Radeon R5 M255 18800 Mtexels/sec
GeForce 810M 5904 Mtexels/sec
Difference: 12896 (218%)

Pixel Rate

The Radeon R5 M255 will be quite a bit (about 155%) more effective at AA than the GeForce 810M, and also able to handle higher screen resolutions better. (explain)

Radeon R5 M255 7520 Mpixels/sec
GeForce 810M 2952 Mpixels/sec
Difference: 4568 (155%)

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 810M

Amazon.com

Check prices at:

Radeon R5 M255

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 810M Radeon R5 M255
Manufacturer nVidia AMD
Year February 2014 June 2014
Code Name GF117 Jet Pro
Memory 1024 MB 2048 MB
Core Speed 738 MHz 940 MHz
Memory Speed 1800 MHz 2000 MHz
Power (Max TDP) 15 watts (Unknown) watts
Bandwidth 14400 MB/sec 16000 MB/sec
Texel Rate 5904 Mtexels/sec 18800 Mtexels/sec
Pixel Rate 2952 Mpixels/sec 7520 Mpixels/sec
Unified Shaders 48 320
Texture Mapping Units 8 20
Render Output Units 4 8
Bus Type DDR3 DDR3
Bus Width 64-bit 64-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 2.0 x16 PCIe 3.0 x8
DirectX Version DirectX 12 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transferred across the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher 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 processed in one second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Raster Operations Pipelines by the the core 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 output rate is also dependant on many 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

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GeForce 810M

Amazon.com

Check prices at:

Radeon R5 M255

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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