Radeon R9 380X vs Radeon RX 470 4GB

Intro

Compare those specifications to the Radeon RX 470 4GB, which comes with core clock speeds of 926 MHz on the GPU, and 1650 MHz on the 4096 MB of GDDR5 memory. It features 2048 SPUs as well as 128 TAUs and 32 Rasterization Operator 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.

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Radeon RX 470 4GB		27 Mh/s
Radeon R9 380X		19 Mh/s
	Difference: 8 (42%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB		120 Watts
Radeon R9 380X		190 Watts
	Difference: 70 Watts (58%)

Memory Bandwidth

The Radeon RX 470 4GB should theoretically be a bit faster than the Radeon R9 380X in general. (explain)

Radeon RX 470 4GB		211200 MB/sec
Radeon R9 380X		182400 MB/sec
	Difference: 28800 (16%)

Texel Rate

The Radeon R9 380X is a little bit (approximately 5%) better at texture filtering than the Radeon RX 470 4GB. (explain)

Radeon R9 380X		124160 Mtexels/sec
Radeon RX 470 4GB		118528 Mtexels/sec
	Difference: 5632 (5%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 380X is a better choice, though only just barely. (explain)

Radeon R9 380X		31040 Mpixels/sec
Radeon RX 470 4GB		29632 Mpixels/sec
	Difference: 1408 (5%)

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 largest amount of information (in units of MB per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total amount of texture units of the card by the core 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 processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.