GPUBoss Review Our evaluation of 7970 vs 7790 among GPUs between $200 and $400

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Sky Diver Factor and Fire Strike Factor

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 31 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 31 more

Noise and Power

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

No winner declared

Too close to call

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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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Much better 3DMark vantage texture fill score 107.55 vs 51.1 More than 2x better 3DMark vantage texture fill score
Much higher memory bandwidth 264 GB/s vs 96 GB/s 2.8x higher memory bandwidth
More memory 3,072 MB vs 1,024 MB 3x more memory
Better floating-point performance 3,789 GFLOPS vs 1,792 GFLOPS More than 2x better floating-point performance
Higher texture rate 118.4 GTexel/s vs 56 GTexel/s More than 2x higher texture rate
Significantly more shading units 2,048 vs 896 1152 more shading units
Significantly more texture mapping units 128 vs 56 72 more texture mapping units
Significantly better cloud gate factor score 21.17 vs 16.73 More than 25% better cloud gate factor score
Significantly better T-Rex score 8.62 frames/s vs 3.67 frames/s More than 2.2x better T-Rex score
Higher pixel rate 29.6 GPixel/s vs 16 GPixel/s More than 85% higher pixel rate
More compute units 32 vs 14 18 more compute units
More render output processors 32 vs 16 Twice as many render output processors
Significantly higher battlefield 3 framerate 100.5 fps vs 53.6 fps Around 90% higher battlefield 3 framerate
Significantly higher crysis: warhead framerate 54.7 fps vs 29.4 fps More than 85% higher crysis: warhead framerate
Wider memory bus 384 bit vs 128 bit 3x wider memory bus
Front view of Radeon HD 7790

Reasons to consider the
AMD Radeon HD 7790

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Much more energy-efficient load power consumption 249W vs 391W More than 35% more energy-efficient load power consumption
Much more energy-efficient idle power consumption 110W vs 113W Around 5% more energy-efficient idle power consumption
Much quieter load noise level 37.8 dB vs 55.2 dB More than 30% quieter load noise level
Much quieter idle noise level 37.5 dB vs 40.2 dB More than 5% quieter idle noise level
Higher clock speed 1,000 MHz vs 925 MHz Around 10% higher clock speed
Slightly higher effective memory clock speed 6,000 MHz vs 5,500 MHz Around 10% higher effective memory clock speed
Much lower TDP 85W vs 250W 2.9x lower TDP
Higher memory clock speed 1,500 MHz vs 1,375 MHz Around 10% higher memory clock speed

Benchmarks Real world tests of Radeon HD 7970 vs 7790

Bitcoin mining Data courtesy CompuBench

Radeon HD 7970
447.28 mHash/s
Radeon HD 7790
217.04 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7970
49.05 mPixels/s
Radeon HD 7790
40.35 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7970
262.19 frames/s
Radeon HD 7790
827.21 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 7970
107.29 mInteraction/s
Radeon HD 7790
330.93 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon HD 7970
8.62 frames/s
Radeon HD 7790
3.67 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 7790 

8.8
9.3
The card features a custom-design dual-fan cooler and offers factory-overclocked speeds of 1075 MHz core and 6.40 GHz memory for a premium of just $10 over AMD's suggested reference design retail price of $149.
Radeon HD 7790

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