GPUBoss Review Our evaluation of 7870 vs 7790 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

7.3

Overall Score

Winner
AMD Radeon HD 7870 

GPUBoss recommends the AMD Radeon HD 7870  based on its gaming, benchmarks and compute performance.

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VS

AMD Radeon HD 7870

GPUBoss Winner
Front view of Radeon HD 7870

Differences What are the advantages of each

Front view of Radeon HD 7870

Reasons to consider the
AMD Radeon HD 7870

Report a correction
Much better 3DMark06 score 23,230 vs 15,490 Around 50% better 3DMark06 score
Better 3DMark vantage graphics score 23,592 vs 19,360 More than 20% better 3DMark vantage graphics score
Higher memory bandwidth 153.6 GB/s vs 96 GB/s 60% higher memory bandwidth
Better PassMark score 4,306 vs 3,015 Around 45% better PassMark score
More memory 2,048 MB vs 1,024 MB 2x more memory
Higher pixel rate 32 GPixel/s vs 16 GPixel/s 2x higher pixel rate
Better floating-point performance 2,560 GFLOPS vs 1,792 GFLOPS Around 45% better floating-point performance
Better fire strike factor score 50.4 vs 30.13 More than 65% better fire strike factor score
More render output processors 32 vs 16 Twice as many render output processors
Higher texture rate 80 GTexel/s vs 56 GTexel/s Around 45% higher texture rate
Higher battlefield 3 framerate 78.8 fps vs 53.6 fps More than 45% higher battlefield 3 framerate
More shading units 1,280 vs 896 384 more shading units
More texture mapping units 80 vs 56 24 more texture mapping units
More compute units 20 vs 14 6 more compute units
Better PassMark direct compute score 2,317 vs 1,544 More than 50% better PassMark direct compute score
Front view of Radeon HD 7790

Reasons to consider the
AMD Radeon HD 7790

Report a correction
Higher effective memory clock speed 6,000 MHz vs 4,800 MHz 25% higher effective memory clock speed
Higher memory clock speed 1,500 MHz vs 1,200 MHz 25% higher memory clock speed
Better T-Rex score 3.65 frames/s vs 1.77 frames/s More than 2x better T-Rex score
Significantly lower TDP 85W vs 175W 2.1x lower TDP

Benchmarks Real world tests of Radeon HD 7870 vs 7790

Bitcoin mining Data courtesy CompuBench

Radeon HD 7870
294.21 mHash/s
Radeon HD 7790
217.94 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7870
55 mPixels/s
Radeon HD 7790
40.43 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7870
952.67 frames/s
Radeon HD 7790
827.56 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7870
3,357.56
Radeon HD 7790
3,359.42

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7870
3,716.74
Radeon HD 7790
3,717.87

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 7870  vs 7790 

8.9
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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