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Radeon R7 370 2G vs Radeon RX 470

Intro

The Radeon R7 370 2G uses a 28 nm design. AMD has clocked the core frequency at 975 MHz. The GDDR5 RAM is set to run at a frequency of 1400 MHz on this particular card. It features 1024 SPUs along with 64 Texture Address Units and 32 ROPs.

Compare those specs to the Radeon RX 470, which has core clock speeds of 926 MHz on the GPU, and 1650 MHz on the 8192 MB of GDDR5 memory. 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

The Radeon RX 470 should theoretically be just a bit faster 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 should be quite a bit (more or less 90%) more effective at AF 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 just a bit (approximately 5%) better at FSAA than the Radeon RX 470, and also should be able to handle higher resolutions without slowing down too much. (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: Bandwidth is the max amount of information (in units of megabytes per second) that can be moved over the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster 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 applied in one second. This is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better 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 maximum amount of pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

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