GPUBoss Review Our evaluation of R9 285 vs R9 280 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

6.9

Overall Score

Winner
AMD Radeon R9 280 

GPUBoss recommends the AMD Radeon R9 280  based on its compute performance.

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VS
Front view of Radeon R9 280

AMD Radeon R9 280

GPUBoss Winner

Differences What are the advantages of each

Front view of Radeon R9 285

Reasons to consider the
XFX Radeon R9 285

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Higher clock speed 918 MHz vs 827 MHz More than 10% higher clock speed
Higher effective memory clock speed 5,500 MHz vs 5,000 MHz 10% higher effective memory clock speed
Higher memory clock speed 1,375 MHz vs 1,250 MHz 10% higher memory clock speed
Front view of Radeon R9 280

Reasons to consider the
AMD Radeon R9 280

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Higher memory bandwidth 240 GB/s vs 176 GB/s More than 35% higher memory bandwidth
More memory 3,072 MB vs 2,048 MB 50% more memory
Better T-Rex score 8.22 frames/s vs 6.37 frames/s Around 30% better T-Rex score
Wider memory bus 384 bit vs 256 bit 50% wider memory bus
Better PassMark direct compute score 3,208 vs 2,442 More than 30% better PassMark direct compute score
Slightly better fire strike factor score 55.14 vs 50.84 Around 10% better fire strike factor score

Benchmarks Real world tests of Radeon R9 285 vs 280

Bitcoin mining Data courtesy CompuBench

Radeon R9 285
391.4 mHash/s
Radeon R9 280
365.38 mHash/s

Face detection Data courtesy CompuBench

Radeon R9 285
72.8 mPixels/s
Radeon R9 280
80.47 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon R9 285
1,474.63 frames/s
Radeon R9 280
1,687.03 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon R9 285
3,355.84
Radeon R9 280
3,356.46

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon R9 285
3,715.04
Radeon R9 280
3,713.26

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

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