Radeon R5 M330 vs Radeon R9 M295X

Intro

Compare those specs to the Radeon R9 M295X, which features core clock speeds of 750 MHz on the GPU, and 1375 MHz on the 4096 MB of GDDR5 RAM. It features 2048 SPUs as well as 128 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 M295X should perform a lot faster than the Radeon R5 M330 overall. (explain)

Radeon R9 M295X		176000 MB/sec
Radeon R5 M330		14400 MB/sec
	Difference: 161600 (1122%)

Texel Rate

The Radeon R9 M295X is much (more or less 366%) faster with regards to AF than the Radeon R5 M330. (explain)

Radeon R9 M295X		96000 Mtexels/sec
Radeon R5 M330		20600 Mtexels/sec
	Difference: 75400 (366%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R9 M295X is superior to the Radeon R5 M330, by a large margin. (explain)

Radeon R9 M295X		24000 Mpixels/sec
Radeon R5 M330		8240 Mpixels/sec
	Difference: 15760 (191%)

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 data (counted in MB per second) that can be transferred past the external memory interface within a second. It is calculated by multiplying the bus width by its memory speed. If it uses 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 AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines 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 output rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.