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Radeon R7 370 2G vs Radeon RX 470

Intro

The Radeon R7 370 2G has a core clock speed of 975 MHz and a GDDR5 memory frequency 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 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon RX 470, which uses a 14 nm design. AMD has clocked the core frequency at 926 MHz. The GDDR5 memory is set to run at a frequency of 1650 MHz on this specific card. It features 2048 SPUs as well as 128 Texture Address Units and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 2G 110 Watts
Radeon RX 470 120 Watts
Difference: 10 Watts (9%)

Memory Bandwidth

As far as performance goes, the Radeon RX 470 should in theory be a little bit better than the Radeon R7 370 2G overall. (explain)

Radeon RX 470 211200 MB/sec
Radeon R7 370 2G 179200 MB/sec
Difference: 32000 (18%)

Texel Rate

The Radeon RX 470 is much (about 90%) more effective at texture filtering than the Radeon R7 370 2G. (explain)

Radeon RX 470 118528 Mtexels/sec
Radeon R7 370 2G 62400 Mtexels/sec
Difference: 56128 (90%)

Pixel Rate

The Radeon R7 370 2G will be a little bit (about 5%) better at FSAA than the Radeon RX 470, and also able to handle higher screen resolutions better. (explain)

Radeon R7 370 2G 31200 Mpixels/sec
Radeon RX 470 29632 Mpixels/sec
Difference: 1568 (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 R7 370 2G

Amazon.com

Radeon RX 470

Amazon.com

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 RX 470
Manufacturer AMD AMD
Year June 2015 August 2016
Code Name Trinidad Polaris 10
Memory 2048 MB 8192 MB
Core Speed 975 MHz 926 MHz
Memory Speed 5600 MHz 6600 MHz
Power (Max TDP) 110 watts 120 watts
Bandwidth 179200 MB/sec 211200 MB/sec
Texel Rate 62400 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 31200 Mpixels/sec 29632 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 14 nm
Transistors 2080 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 information (in units of MB per second) that can be transferred across the external memory interface within a second. It is worked out by multiplying the interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total number 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called 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, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

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