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Radeon R9 380 2G vs Radeon RX 470 4GB

Intro

The Radeon R9 380 2G features a core clock speed of 970 MHz and a GDDR5 memory frequency of 1425 MHz. It also uses a 256-bit memory bus, and makes use of a 28 nm design. It features 1792 SPUs, 112 TAUs, and 32 Raster Operation Units.

Compare that to the Radeon RX 470 4GB, which features a GPU core clock speed of 926 MHz, and 4096 MB of GDDR5 RAM running at 1650 MHz through a 256-bit bus. It also is comprised of 2048 SPUs, 128 TAUs, and 32 ROPs.

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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 470 4GB 27 Mh/s
Radeon R9 380 2G 19 Mh/s
Difference: 8 (42%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB 120 Watts
Radeon R9 380 2G 190 Watts
Difference: 70 Watts (58%)

Memory Bandwidth

As far as performance goes, the Radeon RX 470 4GB should in theory be a bit superior to the Radeon R9 380 2G in general. (explain)

Radeon RX 470 4GB 211200 MB/sec
Radeon R9 380 2G 182400 MB/sec
Difference: 28800 (16%)

Texel Rate

The Radeon RX 470 4GB is a small bit (approximately 9%) more effective at texture filtering than the Radeon R9 380 2G. (explain)

Radeon RX 470 4GB 118528 Mtexels/sec
Radeon R9 380 2G 108640 Mtexels/sec
Difference: 9888 (9%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R9 380 2G is the winner, but it probably won't make a huge difference. (explain)

Radeon R9 380 2G 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

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Radeon R9 380 2G

Amazon.com

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Radeon RX 470 4GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon R9 380 2G Radeon RX 470 4GB
Manufacturer AMD AMD
Year June 2015 August 2016
Code Name Antigua PRO Polaris 10
Memory 2048 MB 4096 MB
Core Speed 970 MHz 926 MHz
Memory Speed 5700 MHz 6600 MHz
Power (Max TDP) 190 watts 120 watts
Bandwidth 182400 MB/sec 211200 MB/sec
Texel Rate 108640 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 31040 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 1792 2048
Texture Mapping Units 112 128
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 14 nm
Transistors 5000 million 5700 million
Bus PCIe 3.0 ×16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total number 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 handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number 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 output rate also depends 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 maximum fill rate.

Display Prices

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Radeon R9 380 2G

Amazon.com

Check prices at:

Radeon RX 470 4GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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