GPUBoss Review Our evaluation of 7970 vs 7870 among Desktop GPUs

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

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

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

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

8.1

Overall Score

Winner
AMD Radeon HD 7970 

GPUBoss recommends the AMD Radeon HD 7970  based on its gaming, benchmarks and compute performance.

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VS

AMD Radeon HD 7970

GPUBoss Winner
Front view of Radeon HD 7970

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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Significantly higher memory bandwidth 264 GB/s vs 153.6 GB/s More than 70% higher memory bandwidth
Better 3DMark vantage texture fill score 107.55 vs 72.1 Around 50% better 3DMark vantage texture fill score
Better floating-point performance 3,789 GFLOPS vs 2,560 GFLOPS Around 50% better floating-point performance
More memory 3,072 MB vs 2,048 MB 50% more memory
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
Significantly better T-Rex score 8.62 frames/s vs 4.68 frames/s Around 85% better T-Rex score
Significantly better SmallLuxGPU 2.0d4 score 23,600 vs 16,500 Around 45% better SmallLuxGPU 2.0d4 score
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 civilization 5 texture decomposition (2012) score 265.8 vs 221.6 Around 20% better civilization 5 texture decomposition (2012) score
Better sky diver factor score 385.6 vs 329.72 More than 15% better sky diver factor score
Higher batman: arkham city framerate 94 fps vs 71 fps More than 30% higher batman: arkham city framerate
Higher memory clock speed 1,375 MHz vs 1,200 MHz Around 15% higher memory clock speed
Higher battlefield 3 framerate 100.5 fps vs 78.8 fps Around 30% higher battlefield 3 framerate
Higher crysis: warhead framerate 54.7 fps vs 44.2 fps Around 25% higher crysis: warhead framerate
Front view of Radeon HD 7870

Reasons to consider the
AMD Radeon HD 7870

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Higher clock speed 1,000 MHz vs 925 MHz Around 10% higher clock speed
Significantly more energy-efficient load power consumption 295W vs 391W Around 25% more energy-efficient load power consumption
Quieter load noise level 48.8 dB vs 55.2 dB More than 10% quieter load noise level
More energy-efficient idle power consumption 108W vs 113W Around 5% more energy-efficient idle power consumption
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
316.54 mHash/s

Face detection Data courtesy CompuBench

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

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7970
262.19 frames/s
Radeon HD 7870
1,220.6 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 7970
107.29 mInteraction/s
Radeon HD 7870
292.57 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon HD 7970
8.62 frames/s
Radeon HD 7870
4.68 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 

8.8
8.8
With NVIDIA catching up with the memory standard, and implementing a 384-bit GDDR5 memory interface on its GeForce Fermi 100/110 GPUs, AMD felt the pinch for doing something to increase the memory bandwidth of the HD 7970, to keep up with the increasing compute performance of their GPUs.
Radeon HD 7970

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