Radeon HD 6750 vs Radeon RX 570

Intro

Compare all that to the Radeon RX 570, which has a core clock speed of 1168 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 256-bit memory bus, and uses a 14 nm design. It is comprised of 2048 SPUs, 128 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6750		86 Watts
Radeon RX 570		150 Watts
	Difference: 64 Watts (74%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 570 should be much faster than the Radeon HD 6750 overall. (explain)

Radeon RX 570		229376 MB/sec
Radeon HD 6750		64000 MB/sec
	Difference: 165376 (258%)

Texel Rate

The Radeon RX 570 should be a lot (more or less 473%) faster with regards to anisotropic filtering than the Radeon HD 6750. (explain)

Radeon RX 570		149504 Mtexels/sec
Radeon HD 6750		26100 Mtexels/sec
	Difference: 123404 (473%)

Pixel Rate

The Radeon RX 570 should be much (about 222%) faster with regards to full screen anti-aliasing than the Radeon HD 6750, and should be able to handle higher resolutions without losing too much performance. (explain)

Radeon RX 570		37376 Mpixels/sec
Radeon HD 6750		11600 Mpixels/sec
	Difference: 25776 (222%)

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 (measured in MB per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 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 AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.