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Radeon HD 5870 vs Radeon R7 370 4G

Intro

The Radeon HD 5870 has a core clock speed of 850 MHz and a GDDR5 memory frequency of 1200 MHz. It also makes use of a 256-bit memory bus, and makes use of a 40 nm design. It features 1600(320x5) SPUs, 80 TAUs, and 32 Raster Operation Units.

Compare all that to the Radeon R7 370 4G, which comes with a core clock speed of 975 MHz and a GDDR5 memory speed of 1400 MHz. It also makes use of a 256-bit memory bus, and makes use of a 28 nm design. It is comprised of 1024 SPUs, 64 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 4G 110 Watts
Radeon HD 5870 188 Watts
Difference: 78 Watts (71%)

Memory Bandwidth

The Radeon R7 370 4G should in theory be a small bit faster than the Radeon HD 5870 in general. (explain)

Radeon R7 370 4G 179200 MB/sec
Radeon HD 5870 153600 MB/sec
Difference: 25600 (17%)

Texel Rate

The Radeon HD 5870 is just a bit (more or less 9%) faster with regards to AF than the Radeon R7 370 4G. (explain)

Radeon HD 5870 68000 Mtexels/sec
Radeon R7 370 4G 62400 Mtexels/sec
Difference: 5600 (9%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon R7 370 4G is the winner, but it probably won't make a huge difference. (explain)

Radeon R7 370 4G 31200 Mpixels/sec
Radeon HD 5870 27200 Mpixels/sec
Difference: 4000 (15%)

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 HD 5870

Amazon.com

Check prices at:

Radeon R7 370 4G

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.

Specifications

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Model Radeon HD 5870 Radeon R7 370 4G
Manufacturer AMD AMD
Year September 23, 2009 June 2015
Code Name Cypress XT Trinidad
Memory 1024 MB 4096 MB
Core Speed 850 MHz 975 MHz
Memory Speed 4800 MHz 5600 MHz
Power (Max TDP) 188 watts 110 watts
Bandwidth 153600 MB/sec 179200 MB/sec
Texel Rate 68000 Mtexels/sec 62400 Mtexels/sec
Pixel Rate 27200 Mpixels/sec 31200 Mpixels/sec
Unified Shaders 1600(320x5) 1024
Texture Mapping Units 80 64
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 28 nm
Transistors 2154 million 2080 million
Bus PCIe 2.1 x16 PCIe 3.0 ×16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 3.2 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the max amount of information (in units of MB per second) that can be moved across the external memory interface in a second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon HD 5870

Amazon.com

Check prices at:

Radeon R7 370 4G

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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