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GeForce 825M vs Radeon R5 M230

Intro

The GeForce 825M has core clock speeds of 850 MHz on the GPU, and 900 MHz on the 2048 MB of DDR3 memory. It features 384 SPUs as well as 16 TAUs and 8 ROPs.

Compare those specs to the Radeon R5 M230, which features a core clock frequency of 780 MHz and a DDR3 memory speed of 1000 MHz. It also makes use of a 64-bit bus, and makes use of a 28 nm design. It features 320 SPUs, 20 TAUs, and 4 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the Radeon R5 M230 will be 11% faster than the GeForce 825M in general, because of its greater bandwidth. (explain)

Radeon R5 M230 16000 MB/sec
GeForce 825M 14400 MB/sec
Difference: 1600 (11%)

Texel Rate

The Radeon R5 M230 is just a bit (more or less 15%) faster with regards to anisotropic filtering than the GeForce 825M. (explain)

Radeon R5 M230 15600 Mtexels/sec
GeForce 825M 13600 Mtexels/sec
Difference: 2000 (15%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce 825M is a better choice, by a large margin. (explain)

GeForce 825M 6800 Mpixels/sec
Radeon R5 M230 3120 Mpixels/sec
Difference: 3680 (118%)

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 825M

Amazon.com

Check prices at:

Radeon R5 M230

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 825M Radeon R5 M230
Manufacturer nVidia AMD
Year January 27 2014 2014
Code Name GK208 Jet Pro
Memory 2048 MB 2048 MB
Core Speed 850 MHz 780 MHz
Memory Speed 1800 MHz 2000 MHz
Power (Max TDP) 33 watts (Unknown) watts
Bandwidth 14400 MB/sec 16000 MB/sec
Texel Rate 13600 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 6800 Mpixels/sec 3120 Mpixels/sec
Unified Shaders 384 320
Texture Mapping Units 16 20
Render Output Units 8 4
Bus Type DDR3 DDR3
Bus Width 64-bit 64-bit
Fab Process 28 nm 28 nm
Transistors (Unknown) million (Unknown) million
Bus PCIe 3.0 x8 PCIe 3.0 x8
DirectX Version DirectX 12 DirectX 11.2
OpenGL Version OpenGL 4.5 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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GeForce 825M

Amazon.com

Check prices at:

Radeon R5 M230

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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