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Radeon HD 7870 XT vs Radeon R7 370 4G

Intro

The Radeon HD 7870 XT makes use of a 28 nm design. AMD has set the core frequency at 925 MHz. The GDDR5 memory runs at a speed of 1500 MHz on this model. It features 1536 SPUs as well as 96 TAUs and 32 ROPs.

Compare that to the Radeon R7 370 4G, which comes with core clock speeds of 975 MHz on the GPU, and 1400 MHz on the 4096 MB of GDDR5 RAM. It features 1024 SPUs as well as 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.

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

As far as performance goes, the Radeon HD 7870 XT should in theory be a bit superior to 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 is much (more or less 42%) more effective 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

The Radeon R7 370 4G should be a little bit (more or less 5%) more effective at full screen anti-aliasing than the Radeon HD 7870 XT, and also capable of handling higher screen resolutions while still performing well. (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

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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: Bandwidth is the largest amount of information (in units of megabytes per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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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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