Radeon HD 5830 vs Radeon R5 M330

Intro

Compare those specs to the Radeon R5 M330, which has GPU clock speed of 1030 MHz, and 2048 MB of DDR3 memory running at 900 MHz through a 64-bit bus. It also is made up of 320 SPUs, 20 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon HD 5830 should be a lot faster than the Radeon R5 M330 in general. (explain)

Radeon HD 5830		128000 MB/sec
Radeon R5 M330		14400 MB/sec
	Difference: 113600 (789%)

Texel Rate

The Radeon HD 5830 is quite a bit (approximately 117%) more effective at AF than the Radeon R5 M330. (explain)

Radeon HD 5830		44800 Mtexels/sec
Radeon R5 M330		20600 Mtexels/sec
	Difference: 24200 (117%)

Pixel Rate

The Radeon HD 5830 is quite a bit (about 55%) faster with regards to AA than the Radeon R5 M330, and also should be able to handle higher screen resolutions without losing too much performance. (explain)

Radeon HD 5830		12800 Mpixels/sec
Radeon R5 M330		8240 Mpixels/sec
	Difference: 4560 (55%)

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 data (in units of megabytes per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR 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 texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units 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 fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.