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Radeon R7 370 4G vs Radeon R9 380 2G

Intro

The Radeon R7 370 4G comes with a clock speed of 975 MHz and a GDDR5 memory speed of 1400 MHz. It also makes use of a 256-bit bus, and uses a 28 nm design. It is comprised of 1024 SPUs, 64 TAUs, and 32 Raster Operation Units.

Compare those specifications to the Radeon R9 380 2G, which has 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 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 R9 380 2G 19 Mh/s
Radeon R7 370 4G 17 Mh/s
Difference: 2 (12%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 4G 110 Watts
Radeon R9 380 2G 190 Watts
Difference: 80 Watts (73%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 380 2G should be 2% faster than the Radeon R7 370 4G in general, due to its higher bandwidth. (explain)

Radeon R9 380 2G 182400 MB/sec
Radeon R7 370 4G 179200 MB/sec
Difference: 3200 (2%)

Texel Rate

The Radeon R9 380 2G will be much (about 74%) more effective at texture filtering than the Radeon R7 370 4G. (explain)

Radeon R9 380 2G 108640 Mtexels/sec
Radeon R7 370 4G 62400 Mtexels/sec
Difference: 46240 (74%)

Pixel Rate

The Radeon R7 370 4G should be a bit (more or less 1%) more effective at full screen anti-aliasing than the Radeon R9 380 2G, and capable of handling higher screen resolutions while still performing well. (explain)

Radeon R7 370 4G 31200 Mpixels/sec
Radeon R9 380 2G 31040 Mpixels/sec
Difference: 160 (1%)

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 R7 370 4G

Amazon.com

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Radeon R9 380 2G

Amazon.com

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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 R7 370 4G Radeon R9 380 2G
Manufacturer AMD AMD
Year June 2015 June 2015
Code Name Trinidad Antigua PRO
Memory 4096 MB 2048 MB
Core Speed 975 MHz 970 MHz
Memory Speed 5600 MHz 5700 MHz
Power (Max TDP) 110 watts 190 watts
Bandwidth 179200 MB/sec 182400 MB/sec
Texel Rate 62400 Mtexels/sec 108640 Mtexels/sec
Pixel Rate 31200 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 1024 1792
Texture Mapping Units 64 112
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 2080 million 5000 million
Bus PCIe 3.0 ×16 PCIe 3.0 ×16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of information (counted in MB per second) that can be transferred past the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it must 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, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The figure 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 is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Radeon R7 370 4G

Amazon.com

Check prices at:

Radeon R9 380 2G

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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