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

7.5

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
Significantly better 3DMark06 score 23,230 vs 15,490 Around 50% better 3DMark06 score
Better PassMark score 4,293 vs 2,997 Around 45% better PassMark score
Higher memory bandwidth 153.6 GB/s vs 96 GB/s 60% higher memory bandwidth
Better 3DMark vantage texture fill score 72.1 vs 51.1 More than 40% better 3DMark vantage texture fill score
Better 3DMark vantage graphics score 23,592 vs 19,360 More than 20% better 3DMark vantage graphics 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
Higher texture rate 80 GTexel/s vs 56 GTexel/s Around 45% higher texture rate
Better cloud gate factor score 19.84 vs 16.81 Around 20% better cloud gate factor score
Better CLBenchmark raytrace score 200,951 vs 127,080 Around 60% better CLBenchmark raytrace score
More render output processors 32 vs 16 Twice as many render output processors
Better civilization 5 texture decomposition (2013) score 296.7 vs 242.1 Around 25% better civilization 5 texture decomposition (2013) score
Better bitcoin mining score 316.54 mHash/s vs 217.04 mHash/s More than 45% better bitcoin mining score
More shading units 1,280 vs 896 384 more shading units
Higher crysis: warhead framerate 44.2 fps vs 29.4 fps More than 50% higher crysis: warhead framerate
Slightly more texture mapping units 80 vs 56 24 more texture mapping units
Higher battlefield 3 framerate 78.8 fps vs 53.6 fps More than 45% higher battlefield 3 framerate
Slightly more compute units 20 vs 14 6 more compute units
Better PassMark direct compute score 2,298 vs 1,517 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
Significantly quieter load noise level 37.8 dB vs 48.8 dB Around 25% quieter load noise level
More energy-efficient load power consumption 249W vs 295W More than 15% more energy-efficient load power consumption
Quieter idle noise level 37.5 dB vs 39.5 dB More than 5% quieter idle noise level
Higher memory clock speed 1,500 MHz vs 1,200 MHz 25% higher memory clock speed
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
316.54 mHash/s
Radeon HD 7790
217.04 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 7870
55.45 mPixels/s
Radeon HD 7790
40.16 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 7870
1,220.6 frames/s
Radeon HD 7790
825.27 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7870
3,359.57
Radeon HD 7790
3,359.42

Manhattan (GFXBench 3.0) Data courtesy CompuBench

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 

8.8
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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