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Radeon R7 370 4G vs Radeon RX 470

Intro

The Radeon R7 370 4G uses a 28 nm design. AMD has set the core speed at 975 MHz. The GDDR5 RAM runs at a frequency of 1400 MHz on this particular model. It features 1024 SPUs along with 64 TAUs and 32 ROPs.

Compare that to the Radeon RX 470, which comes with a GPU core clock speed of 926 MHz, and 8192 MB of GDDR5 memory running at 1650 MHz through a 256-bit bus. It also features 2048 Stream Processors, 128 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 4G 110 Watts
Radeon RX 470 120 Watts
Difference: 10 Watts (9%)

Memory Bandwidth

Theoretically, the Radeon RX 470 should perform a small bit faster than the Radeon R7 370 4G overall. (explain)

Radeon RX 470 211200 MB/sec
Radeon R7 370 4G 179200 MB/sec
Difference: 32000 (18%)

Texel Rate

The Radeon RX 470 should be a lot (approximately 90%) more effective at AF than the Radeon R7 370 4G. (explain)

Radeon RX 470 118528 Mtexels/sec
Radeon R7 370 4G 62400 Mtexels/sec
Difference: 56128 (90%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon R7 370 4G is a better choice, but not by far. (explain)

Radeon R7 370 4G 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

Radeon R7 370 4G

Radeon RX 470

Specifications

Display Specifications

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Model Radeon R7 370 4G Radeon RX 470
Manufacturer AMD AMD
Year June 2015 August 2016
Code Name Trinidad Polaris 10
Memory 4096 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 maximum amount of information (in units of MB per second) that can be transferred across the external memory interface within a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 once again. If 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, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total texture units by the core speed of the chip. The higher this number, the better the 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 could possibly write to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Radeon R7 370 4G

Radeon RX 470

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