Radeon R9 270 vs Radeon RX 570

Intro

Compare that to the Radeon RX 570, which makes use of a 14 nm design. AMD has clocked the core frequency at 1168 MHz. The GDDR5 RAM runs at a frequency of 1750 MHz on this card. It features 2048 SPUs along with 128 TAUs and 32 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX 570		12108 points
Radeon R9 270		5943 points
	Difference: 6165 (104%)

Ethereum Mining Hash Rate

Radeon RX 570		26 Mh/s
Radeon R9 270		15 Mh/s
	Difference: 11 (73%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

Theoretically speaking, the Radeon RX 570 should be 28% quicker than the Radeon R9 270 overall, because of its higher data rate. (explain)

Radeon RX 570		229376 MB/sec
Radeon R9 270		179200 MB/sec
	Difference: 50176 (28%)

Texel Rate

The Radeon RX 570 is much (approximately 108%) faster with regards to texture filtering than the Radeon R9 270. (explain)

Radeon RX 570		149504 Mtexels/sec
Radeon R9 270		72000 Mtexels/sec
	Difference: 77504 (108%)

Pixel Rate

The Radeon RX 570 will be much (approximately 30%) more effective at full screen anti-aliasing than the Radeon R9 270, and will be capable of handling higher resolutions more effectively. (explain)

Radeon RX 570		37376 Mpixels/sec
Radeon R9 270		28800 Mpixels/sec
	Difference: 8576 (30%)

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 megabytes per second) that can be moved past the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher 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 amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill 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 get to the max fill rate.