Radeon HD 6750 1GB vs Radeon RX 590

Intro

Compare all that to the Radeon RX 590, which comes with a core clock frequency of 1469 MHz and a GDDR5 memory speed of 2000 MHz. It also features a 256-bit memory bus, and uses a 12 nm design. It is made up of 2304 SPUs, 144 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750 1GB		86 Watts
Radeon RX 590		175 Watts
	Difference: 89 Watts (103%)

Memory Bandwidth

In theory, the Radeon RX 590 should be 310% quicker than the Radeon HD 6750 1GB overall, because of its higher data rate. (explain)

Radeon RX 590		262144 MB/sec
Radeon HD 6750 1GB		64000 MB/sec
	Difference: 198144 (310%)

Texel Rate

The Radeon RX 590 should be quite a bit (approximately 710%) better at anisotropic filtering than the Radeon HD 6750 1GB. (explain)

Radeon RX 590		211536 Mtexels/sec
Radeon HD 6750 1GB		26100 Mtexels/sec
	Difference: 185436 (710%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon RX 590 is superior to the Radeon HD 6750 1GB, by a large margin. (explain)

Radeon RX 590		47008 Mpixels/sec
Radeon HD 6750 1GB		11600 Mpixels/sec
	Difference: 35408 (305%)

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 information (in units of MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's 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 can be processed per 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 this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.