GeForce GTS 250 1GB vs Radeon R5 M230

Intro

Compare all that to the Radeon R5 M230, which features core clock speeds of 780 MHz on the GPU, and 1000 MHz on the 2048 MB of DDR3 RAM. It features 320 SPUs along with 20 TAUs and 4 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

In theory, the GeForce GTS 250 1GB should perform much faster than the Radeon R5 M230 overall. (explain)

GeForce GTS 250 1GB		70400 MB/sec
Radeon R5 M230		16000 MB/sec
	Difference: 54400 (340%)

Texel Rate

The GeForce GTS 250 1GB is a lot (more or less 203%) faster with regards to texture filtering than the Radeon R5 M230. (explain)

GeForce GTS 250 1GB		47232 Mtexels/sec
Radeon R5 M230		15600 Mtexels/sec
	Difference: 31632 (203%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTS 250 1GB is the winner, by far. (explain)

GeForce GTS 250 1GB		11808 Mpixels/sec
Radeon R5 M230		3120 Mpixels/sec
	Difference: 8688 (278%)

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: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be moved across the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the 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 texture map elements (texels) that are processed in one second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. 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 is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.