GeForce 825M vs Radeon R5 M230

Intro

Compare those specs to the Radeon R5 M230, which uses a 28 nm design. AMD has clocked the core speed at 780 MHz. The DDR3 RAM runs at a speed of 1000 MHz on this card. It features 320 SPUs along with 20 Texture Address Units and 4 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R5 M230 will be 11% quicker than the GeForce 825M overall, because of its higher data rate. (explain)

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

Texel Rate

The Radeon R5 M230 is a bit (about 15%) more effective at anisotropic filtering than the GeForce 825M. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the GeForce 825M is superior to the Radeon R5 M230, by far. (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

Specifications

Memory Bandwidth: Bandwidth is the largest amount of information (counted in MB per second) that can be transferred past the external memory interface in one second. It is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.