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Radeon R7 370 2G vs Radeon R9 390 8G

Intro

The Radeon R7 370 2G comes with clock speeds of 975 MHz on the GPU, and 1400 MHz on the 2048 MB of GDDR5 RAM. It features 1024 SPUs along with 64 TAUs and 32 ROPs.

Compare all that to the Radeon R9 390 8G, which features core clock speeds of 1000 MHz on the GPU, and 1500 MHz on the 8192 MB of GDDR5 RAM. It features 2560 SPUs along with 160 Texture Address Units and 64 Rasterization Operator Units.

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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 R9 390 8G 12733 points
Radeon R7 370 2G 5582 points
Difference: 7151 (128%)

Zcash Mining Hash Rate

Radeon R9 390 8G 326 Sol/s
Radeon R7 370 2G 210 Sol/s
Difference: 116 (55%)

Ethereum Mining Hash Rate

Radeon R9 390 8G 28 Mh/s
Radeon R7 370 2G 15 Mh/s
Difference: 13 (87%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 2G 110 Watts
Radeon R9 390 8G 275 Watts
Difference: 165 Watts (150%)

Memory Bandwidth

Theoretically, the Radeon R9 390 8G should perform quite a bit faster than the Radeon R7 370 2G overall. (explain)

Radeon R9 390 8G 384000 MB/sec
Radeon R7 370 2G 179200 MB/sec
Difference: 204800 (114%)

Texel Rate

The Radeon R9 390 8G should be a lot (about 156%) better at AF than the Radeon R7 370 2G. (explain)

Radeon R9 390 8G 160000 Mtexels/sec
Radeon R7 370 2G 62400 Mtexels/sec
Difference: 97600 (156%)

Pixel Rate

The Radeon R9 390 8G is quite a bit (about 105%) more effective at anti-aliasing than the Radeon R7 370 2G, and able to handle higher screen resolutions more effectively. (explain)

Radeon R9 390 8G 64000 Mpixels/sec
Radeon R7 370 2G 31200 Mpixels/sec
Difference: 32800 (105%)

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 2G

Amazon.com

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Radeon R9 390 8G

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 2G Radeon R9 390 8G
Manufacturer AMD AMD
Year June 2015 June 2015
Code Name Trinidad Grenada PRO
Memory 2048 MB 8192 MB
Core Speed 975 MHz 1000 MHz
Memory Speed 5600 MHz 6000 MHz
Power (Max TDP) 110 watts 275 watts
Bandwidth 179200 MB/sec 384000 MB/sec
Texel Rate 62400 Mtexels/sec 160000 Mtexels/sec
Pixel Rate 31200 Mpixels/sec 64000 Mpixels/sec
Unified Shaders 1024 2560
Texture Mapping Units 64 160
Render Output Units 32 64
Bus Type GDDR5 GDDR5
Bus Width 256-bit 512-bit
Fab Process 28 nm 28 nm
Transistors 2080 million 6200 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 largest amount of data (measured in MB per second) that can be transported over the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better 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 processed per second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The higher 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on many 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 2G

Amazon.com

Check prices at:

Radeon R9 390 8G

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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