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GeForce 810M vs Radeon R9 390X 8G

Intro

The GeForce 810M comes with a core clock speed of 738 MHz and a DDR3 memory speed of 900 MHz. It also makes use of a 64-bit memory bus, and uses a 28 nm design. It is comprised of 48 SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

Compare all that to the Radeon R9 390X 8G, which has core clock speeds of 1050 MHz on the GPU, and 1500 MHz on the 8192 MB of GDDR5 RAM. It features 2816 SPUs as well as 176 TAUs and 64 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M 15 Watts
Radeon R9 390X 8G 275 Watts
Difference: 260 Watts (1733%)

Memory Bandwidth

In theory, the Radeon R9 390X 8G will be 2567% faster than the GeForce 810M in general, because of its greater data rate. (explain)

Radeon R9 390X 8G 384000 MB/sec
GeForce 810M 14400 MB/sec
Difference: 369600 (2567%)

Texel Rate

The Radeon R9 390X 8G should be quite a bit (approximately 3030%) faster with regards to texture filtering than the GeForce 810M. (explain)

Radeon R9 390X 8G 184800 Mtexels/sec
GeForce 810M 5904 Mtexels/sec
Difference: 178896 (3030%)

Pixel Rate

The Radeon R9 390X 8G is quite a bit (about 2176%) better at anti-aliasing than the GeForce 810M, and also will be able to handle higher resolutions more effectively. (explain)

Radeon R9 390X 8G 67200 Mpixels/sec
GeForce 810M 2952 Mpixels/sec
Difference: 64248 (2176%)

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

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Radeon R9 390X 8G

Amazon.com

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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 R9 390X 8G
Manufacturer nVidia AMD
Year February 2014 June 2015
Code Name GF117 Grenada XT
Memory 1024 MB 8192 MB
Core Speed 738 MHz 1050 MHz
Memory Speed 1800 MHz 6000 MHz
Power (Max TDP) 15 watts 275 watts
Bandwidth 14400 MB/sec 384000 MB/sec
Texel Rate 5904 Mtexels/sec 184800 Mtexels/sec
Pixel Rate 2952 Mpixels/sec 67200 Mpixels/sec
Unified Shaders 48 2816
Texture Mapping Units 8 176
Render Output Units 4 64
Bus Type DDR3 GDDR5
Bus Width 64-bit 512-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million 6200 million
Bus PCIe 2.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of MB per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the interface width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 once 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 AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied 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 better 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 amount of pixels that the graphics chip could possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core 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 output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce 810M

Amazon.com

Check prices at:

Radeon R9 390X 8G

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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