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GeForce 810M vs Radeon R5 M255

Intro

The GeForce 810M features a GPU core clock speed of 738 MHz, and the 1024 MB of DDR3 RAM runs at 900 MHz through a 64-bit bus. It also is comprised of 48 Stream Processors, 8 Texture Address Units, and 4 ROPs.

Compare those specs to the Radeon R5 M255, which features clock speeds of 940 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 320 SPUs as well as 20 Texture Address Units and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R5 M255 should perform a small bit faster than the GeForce 810M overall. (explain)

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

Texel Rate

The Radeon R5 M255 will be much (more or less 218%) better at anisotropic filtering 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 is much (approximately 155%) faster with regards to anti-aliasing than the GeForce 810M, and will be capable of handling higher resolutions without losing too much performance. (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: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This number is worked out by multiplying the total texture units of the card by the core clock 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 processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability 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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