GPUBoss Review Our evaluation of 7970 vs 7870 among Desktop GPUs


Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more


T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more


Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more


Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more


Overall Score

AMD Radeon HD 7870 

GPUBoss recommends the AMD Radeon HD 7870  based on its noise and power.

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Differences What are the advantages of each

Front view of Radeon HD 7970

Reasons to consider the
AMD Radeon HD 7970

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Much higher memory bandwidth 264 GB/s vs 153.6 GB/s More than 70% higher memory bandwidth
More memory 3,072 MB vs 2,048 MB 50% more memory
Better floating-point performance 3,789 GFLOPS vs 2,560 GFLOPS Around 50% better floating-point performance
Higher effective memory clock speed 5,500 MHz vs 4,800 MHz Around 15% higher effective memory clock speed
Higher texture rate 118.4 GTexel/s vs 80 GTexel/s Around 50% higher texture rate
More shading units 2,048 vs 1,280 768 more shading units
More texture mapping units 128 vs 80 48 more texture mapping units
More compute units 32 vs 20 12 more compute units
Better fire strike factor score 62.9 vs 50.19 More than 25% better fire strike factor score
Better video composition score 118.74 frames/s vs 91.15 frames/s More than 30% better video composition score
Higher memory clock speed 1,375 MHz vs 1,200 MHz Around 15% higher memory clock speed
Slightly wider memory bus 384 bit vs 256 bit 50% wider memory bus
Front view of Radeon HD 7870

Reasons to consider the
AMD Radeon HD 7870

Report a correction
Slightly higher clock speed 1,000 MHz vs 925 MHz Around 10% higher clock speed
Significantly lower TDP 175W vs 250W 30% lower TDP

Benchmarks Real world tests of Radeon HD 7970 vs 7870

Bitcoin mining Data courtesy CompuBench

Radeon HD 7970
447.28 mHash/s
Radeon HD 7870
294.21 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7970
49.05 mPixels/s
Radeon HD 7870
60.71 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7970
261.64 frames/s
Radeon HD 7870
952.67 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 7970
52.96 mInteraction/s
Radeon HD 7870
340.67 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon HD 7970
8.62 frames/s
Radeon HD 7870
5.91 frames/s

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

Reviews Word on the street

Radeon HD 7970  vs 7870 

The core of the HD 7970 GHz Edition is clocked as high as 1000 MHz, with a Boost frequency of 1050 MHz; while the memory is upped to 1500 MHz (actual) or 6.00 GHz (GDDR5 effective), resulting in a staggering 288 GB/s bandwidth thanks to the 384-bit wide memory interface.
Radeon HD 7970


Showing 3 comments.
Thanks for the support Hetor, we appreciate it :)
No comments now for the GPU compare but thank you so much guys for creating such a wonderful website which is really very helpful for gamers like us to choose Gaming Cards. Wish you all the best guys. Thanks once again.
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