Radeon HD 5750 1GB vs Radeon RX 480 4GB

Intro

Compare those specifications to the Radeon RX 480 4GB, which has GPU clock speed of 1120 MHz, and 4096 MB of GDDR5 memory running at 1750 MHz through a 256-bit bus. It also is made up of 2304 SPUs, 144 Texture Address Units, and 32 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 1GB		86 Watts
Radeon RX 480 4GB		150 Watts
	Difference: 64 Watts (74%)

Memory Bandwidth

As far as performance goes, the Radeon RX 480 4GB should in theory be a lot better than the Radeon HD 5750 1GB in general. (explain)

Radeon RX 480 4GB		229376 MB/sec
Radeon HD 5750 1GB		73600 MB/sec
	Difference: 155776 (212%)

Texel Rate

The Radeon RX 480 4GB is much (more or less 540%) faster with regards to anisotropic filtering than the Radeon HD 5750 1GB. (explain)

Radeon RX 480 4GB		161280 Mtexels/sec
Radeon HD 5750 1GB		25200 Mtexels/sec
	Difference: 136080 (540%)

Pixel Rate

The Radeon RX 480 4GB should be much (about 220%) more effective at AA than the Radeon HD 5750 1GB, and also able to handle higher resolutions better. (explain)

Radeon RX 480 4GB		35840 Mpixels/sec
Radeon HD 5750 1GB		11200 Mpixels/sec
	Difference: 24640 (220%)

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 maximum amount of data (in units of megabytes per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.