Radeon R9 270 vs Radeon RX 570

Intro

Compare all that to the Radeon RX 570, which has GPU core speed of 1168 MHz, and 4096 MB of GDDR5 RAM running at 1750 MHz through a 256-bit bus. It also is made up of 2048 Stream Processors, 128 Texture Address Units, and 32 Raster Operation Units.

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

Performance-wise, the Radeon RX 570 should theoretically be much superior to the Radeon R9 270 overall. (explain)

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

Texel Rate

The Radeon RX 570 is quite a bit (more or less 108%) more effective at anisotropic 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 a lot (more or less 30%) faster with regards to FSAA than the Radeon R9 270, and also will be capable of handling higher resolutions without losing too much performance. (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 max amount of information (measured in megabytes per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 number of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total number of 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 in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.