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Radeon R9 380 2G vs Radeon RX 470


Intro

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

Compare all of that to the Radeon RX 470, which has core speeds of 926 MHz on the GPU, and 1650 MHz on the 8192 MB of GDDR5 memory. It features 2048 SPUs along with 128 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.

3DMark Fire Strike Graphics Score

Radeon RX 470 11810 points
Radeon R9 380 2G 8850 points
Difference: 2960 (33%)

Ethereum Mining Hash Rate

Radeon RX 470 26 Mh/s
Radeon R9 380 2G 19 Mh/s
Difference: 7 (37%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

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

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

Texel Rate

The Radeon RX 470 is just a bit (approximately 9%) better at AF than the Radeon R9 380 2G. (explain)

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

Pixel Rate

The Radeon R9 380 2G is a bit (about 5%) faster with regards to full screen anti-aliasing than the Radeon RX 470, and also should be capable of handling higher resolutions better. (explain)

Radeon R9 380 2G 31040 Mpixels/sec
Radeon RX 470 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

Radeon R9 380 2G

Radeon RX 470

Specifications

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Model Radeon R9 380 2G Radeon RX 470
Manufacturer AMD AMD
Year June 2015 August 2016
Code Name Antigua PRO Polaris 10
Memory 2048 MB 8192 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: Bandwidth is the max amount of data (counted in MB per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the 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 can be 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 the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Radeon R9 380 2G

Radeon RX 470

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