Radeon R9 380 2G vs Radeon RX 480 4GB

Intro

Compare those specifications to the Radeon RX 480 4GB, which has core clock speeds of 1120 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 2304 SPUs along with 144 Texture Address Units 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.

Ethereum Mining Hash Rate

Radeon RX 480 4GB		25 Mh/s
Radeon R9 380 2G		19 Mh/s
	Difference: 6 (32%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 4GB		150 Watts
Radeon R9 380 2G		190 Watts
	Difference: 40 Watts (27%)

Memory Bandwidth

Theoretically, the Radeon RX 480 4GB should perform quite a bit faster than the Radeon R9 380 2G in general. (explain)

Radeon RX 480 4GB		229376 MB/sec
Radeon R9 380 2G		182400 MB/sec
	Difference: 46976 (26%)

Texel Rate

The Radeon RX 480 4GB should be much (more or less 48%) more effective at texture filtering than the Radeon R9 380 2G. (explain)

Radeon RX 480 4GB		161280 Mtexels/sec
Radeon R9 380 2G		108640 Mtexels/sec
	Difference: 52640 (48%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 480 4GB is the winner, not by a very large margin though. (explain)

Radeon RX 480 4GB		35840 Mpixels/sec
Radeon R9 380 2G		31040 Mpixels/sec
	Difference: 4800 (15%)

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 (counted in megabytes per second) that can be moved over the external memory interface within a second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling 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 video card can 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 Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.