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Radeon HD 7870 vs Radeon R7 370 2G

Intro

The Radeon HD 7870 comes with a GPU core clock speed of 1000 MHz, and the 2048 MB of GDDR5 RAM runs at 1200 MHz through a 256-bit bus. It also is made up of 1280 Stream Processors, 80 Texture Address Units, and 32 ROPs.

Compare those specifications to the Radeon R7 370 2G, which comes with GPU core speed of 975 MHz, and 2048 MB of GDDR5 memory running at 1400 MHz through a 256-bit bus. It also features 1024 Stream Processors, 64 TAUs, and 32 ROPs.

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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 HD 7870 6230 points
Radeon R7 370 2G 5582 points
Difference: 648 (12%)

Zcash Mining Hash Rate

Radeon R7 370 2G 210 Sol/s
Radeon HD 7870 172 Sol/s
Difference: 38 (22%)

Ethereum Mining Hash Rate

Radeon HD 7870 16 Mh/s
Radeon R7 370 2G 15 Mh/s
Difference: 1 (7%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 2G 110 Watts
Radeon HD 7870 175 Watts
Difference: 65 Watts (59%)

Memory Bandwidth

The Radeon R7 370 2G, in theory, should be a small bit faster than the Radeon HD 7870 overall. (explain)

Radeon R7 370 2G 179200 MB/sec
Radeon HD 7870 153600 MB/sec
Difference: 25600 (17%)

Texel Rate

The Radeon HD 7870 will be much (more or less 28%) more effective at texture filtering than the Radeon R7 370 2G. (explain)

Radeon HD 7870 80000 Mtexels/sec
Radeon R7 370 2G 62400 Mtexels/sec
Difference: 17600 (28%)

Pixel Rate

The Radeon HD 7870 will be a bit (more or less 3%) more effective at full screen anti-aliasing than the Radeon R7 370 2G, and will be capable of handling higher screen resolutions more effectively. (explain)

Radeon HD 7870 32000 Mpixels/sec
Radeon R7 370 2G 31200 Mpixels/sec
Difference: 800 (3%)

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 7870

Amazon.com

Check prices at:

Radeon R7 370 2G

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 7870 Radeon R7 370 2G
Manufacturer AMD AMD
Year March 2012 June 2015
Code Name Pitcairn XT Trinidad
Memory 2048 MB 2048 MB
Core Speed 1000 MHz 975 MHz
Memory Speed 4800 MHz 5600 MHz
Power (Max TDP) 175 watts 110 watts
Bandwidth 153600 MB/sec 179200 MB/sec
Texel Rate 80000 Mtexels/sec 62400 Mtexels/sec
Pixel Rate 32000 Mpixels/sec 31200 Mpixels/sec
Unified Shaders 1280 1024
Texture Mapping Units 80 64
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 2800 million 2080 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 11.1 DirectX 12.0
OpenGL Version OpenGL 4.2 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in MB per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the interface width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure is worked out by multiplying the total texture units by the core 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 can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs 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 rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Radeon HD 7870

Amazon.com

Check prices at:

Radeon R7 370 2G

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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