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GeForce 825M vs Radeon R7 M260

Intro

The GeForce 825M makes use of a 28 nm design. nVidia has clocked the core speed at 850 MHz. The DDR3 RAM works at a frequency of 900 MHz on this model. It features 384 SPUs as well as 16 Texture Address Units and 8 Rasterization Operator Units.

Compare all that to the Radeon R7 M260, which comes with core clock speeds of 715 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 memory. It features 384 SPUs as well as 24 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The Radeon R7 M260, in theory, should perform a small bit faster than the GeForce 825M overall. (explain)

Radeon R7 M260 16000 MB/sec
GeForce 825M 14400 MB/sec
Difference: 1600 (11%)

Texel Rate

The Radeon R7 M260 should be much (about 26%) better at anisotropic filtering than the GeForce 825M. (explain)

Radeon R7 M260 17160 Mtexels/sec
GeForce 825M 13600 Mtexels/sec
Difference: 3560 (26%)

Pixel Rate

The GeForce 825M will be just a bit (approximately 19%) more effective at AA than the Radeon R7 M260, and also should be able to handle higher screen resolutions more effectively. (explain)

GeForce 825M 6800 Mpixels/sec
Radeon R7 M260 5720 Mpixels/sec
Difference: 1080 (19%)

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 R7 M260

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 R7 M260
Manufacturer nVidia AMD
Year January 27 2014 June 2014
Code Name GK208 Opal/Topaz
Memory 2048 MB 2048 MB
Core Speed 850 MHz 715 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 17160 Mtexels/sec
Pixel Rate 6800 Mpixels/sec 5720 Mpixels/sec
Unified Shaders 384 384
Texture Mapping Units 16 24
Render Output Units 8 8
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 maximum amount of information (measured in MB per second) that can be transferred over the external memory interface in a second. It's calculated by multiplying the interface width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total texture units of the card by the core speed of the chip. The better the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the 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 R7 M260

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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