GeForce 825M vs Radeon RX 480

Intro

Compare those specifications to the Radeon RX 480, which uses a 14 nm design. AMD has clocked the core frequency at 1120 MHz. The GDDR5 memory runs at a speed of 2000 MHz on this specific card. It features 2304 SPUs along with 144 Texture Address Units and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 825M		33 Watts
Radeon RX 480		150 Watts
	Difference: 117 Watts (355%)

Memory Bandwidth

As far as performance goes, the Radeon RX 480 should theoretically be quite a bit better than the GeForce 825M in general. (explain)

Radeon RX 480		262144 MB/sec
GeForce 825M		14400 MB/sec
	Difference: 247744 (1720%)

Texel Rate

The Radeon RX 480 is much (approximately 1086%) better at texture filtering than the GeForce 825M. (explain)

Radeon RX 480		161280 Mtexels/sec
GeForce 825M		13600 Mtexels/sec
	Difference: 147680 (1086%)

Pixel Rate

The Radeon RX 480 will be much (more or less 427%) better at anti-aliasing than the GeForce 825M, and also should be able to handle higher screen resolutions without slowing down too much. (explain)

Radeon RX 480		35840 Mpixels/sec
GeForce 825M		6800 Mpixels/sec
	Difference: 29040 (427%)

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

Specifications

Memory Bandwidth: Bandwidth is the max amount of information (counted in MB per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.