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Radeon HD 7870 XT vs Radeon R7 370 4G

Intro

The Radeon HD 7870 XT comes with a core clock frequency of 925 MHz and a GDDR5 memory frequency of 1500 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It is comprised of 1536 SPUs, 96 TAUs, and 32 Raster Operation Units.

Compare that to the Radeon R7 370 4G, which uses a 28 nm design. AMD has clocked the core speed at 975 MHz. The GDDR5 RAM runs at a speed of 1400 MHz on this specific card. It features 1024 SPUs as well as 64 Texture Address Units 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.

Ethereum Mining Hash Rate

Radeon R7 370 4G 17 Mh/s
Radeon HD 7870 XT 15 Mh/s
Difference: 2 (13%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 370 4G 110 Watts
Radeon HD 7870 XT 185 Watts
Difference: 75 Watts (68%)

Memory Bandwidth

The Radeon HD 7870 XT, in theory, should be a small bit faster than the Radeon R7 370 4G in general. (explain)

Radeon HD 7870 XT 192000 MB/sec
Radeon R7 370 4G 179200 MB/sec
Difference: 12800 (7%)

Texel Rate

The Radeon HD 7870 XT will be much (approximately 42%) better at anisotropic filtering than the Radeon R7 370 4G. (explain)

Radeon HD 7870 XT 88800 Mtexels/sec
Radeon R7 370 4G 62400 Mtexels/sec
Difference: 26400 (42%)

Pixel Rate

If running with a high screen resolution is important to you, then the Radeon R7 370 4G is a better choice, not by a very large margin though. (explain)

Radeon R7 370 4G 31200 Mpixels/sec
Radeon HD 7870 XT 29600 Mpixels/sec
Difference: 1600 (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 HD 7870 XT

Amazon.com

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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 7870 XT Radeon R7 370 4G
Manufacturer AMD AMD
Year November 2012 June 2015
Code Name Tahiti LE Trinidad
Memory 2048 MB 4096 MB
Core Speed 925 MHz 975 MHz
Memory Speed 6000 MHz 5600 MHz
Power (Max TDP) 185 watts 110 watts
Bandwidth 192000 MB/sec 179200 MB/sec
Texel Rate 88800 Mtexels/sec 62400 Mtexels/sec
Pixel Rate 29600 Mpixels/sec 31200 Mpixels/sec
Unified Shaders 1536 1024
Texture Mapping Units 96 64
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 28 nm 28 nm
Transistors 4313 million 2080 million
Bus PCIe 3.0 x16 PCIe 3.0 ×16
DirectX Version DirectX 11.1 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.5

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon HD 7870 XT

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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