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Radeon R7 370 4G vs Radeon R9 380X

Intro

The Radeon R7 370 4G comes with a GPU clock speed of 975 MHz, and the 4096 MB of GDDR5 memory runs at 1400 MHz through a 256-bit bus. It also is made up of 1024 SPUs, 64 Texture Address Units, and 32 ROPs.

Compare all of that to the Radeon R9 380X, which has a GPU core clock speed of 970 MHz, and 4096 MB of GDDR5 memory set to run at 1425 MHz through a 256-bit bus. It also features 2048 Stream Processors, 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 R9 380X 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 380X 190 Watts
Difference: 80 Watts (73%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 380X will be 2% faster than the Radeon R7 370 4G in general, because of its higher bandwidth. (explain)

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

Texel Rate

The Radeon R9 380X should be a lot (more or less 99%) better at anisotropic filtering than the Radeon R7 370 4G. (explain)

Radeon R9 380X 124160 Mtexels/sec
Radeon R7 370 4G 62400 Mtexels/sec
Difference: 61760 (99%)

Pixel Rate

The Radeon R7 370 4G is a bit (approximately 1%) more effective at anti-aliasing than the Radeon R9 380X, and also should be capable of handling higher resolutions without losing too much performance. (explain)

Radeon R7 370 4G 31200 Mpixels/sec
Radeon R9 380X 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 380X

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 380X
Manufacturer AMD AMD
Year June 2015 November 2015
Code Name Trinidad Tonga XT
Memory 4096 MB 4096 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 124160 Mtexels/sec
Pixel Rate 31200 Mpixels/sec 31040 Mpixels/sec
Unified Shaders 1024 2048
Texture Mapping Units 64 128
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 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 information (measured in MB per second) that can be transported across the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Radeon R7 370 4G

Amazon.com

Check prices at:

Radeon R9 380X

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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