GPUBoss Review Our evaluation of R9 380X vs R9 280X 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

7.4

Overall Score

Winner
Radeon R9 280X 

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

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VS

Differences What are the advantages of each

Front view of Radeon R9 380X

Reasons to consider the
AMD Radeon R9 380X

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Higher clock speed 970 MHz vs 850 MHz Around 15% higher clock speed
More memory 4,096 MB vs 3,072 MB Around 35% more memory
Higher metro: last light framerate 64 vs 36.45 More than 75% higher metro: last light framerate
Lower TDP 190W vs 250W Around 25% lower TDP
Front view of Radeon R9 280X

Reasons to consider the
Generic Radeon R9 280X

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Significantly higher memory bandwidth 288 GB/s vs 182.4 GB/s Around 60% higher memory bandwidth
Better fire strike factor score 62.73 vs 56.18 More than 10% better fire strike factor score
Better PassMark direct compute score 3,677 vs 2,984 Around 25% better PassMark direct compute score

Benchmarks Real world tests of Radeon R9 380X vs 280X

Bitcoin mining Data courtesy CompuBench

Radeon R9 380X
478.65 mHash/s
Radeon R9 280X
475.81 mHash/s

Face detection Data courtesy CompuBench

Radeon R9 380X
81.44 mPixels/s
Radeon R9 280X
95.76 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon R9 380X
1,498.03 frames/s
Radeon R9 280X
1,938.84 frames/s

Particle simulation Data courtesy CompuBench

Radeon R9 380X
582.48 mInteraction/s
Radeon R9 280X
572.46 mInteraction/s

Fire Strike Factor Data courtesy FutureMark

Sky Diver Factor Data courtesy FutureMark

Cloud Gate Factor Data courtesy FutureMark

Metro: Last Light

Reviews Word on the street

Radeon R9 380X  vs 280X 

9.1
8.5
An interesting value proposition is the aging AMD R9 290, which is 24% faster than ASUS' overclocked card, yet comes at very affordable pricing.
Radeon R9 380X

Comments

Showing 3 comments.
Nope. 380 is Tonga based, not Tahiti based like 280 and 7970 Ghz Edition.
No, r9 280x is Tahiti XT2/XTL while r9 380x is full Tonga chip, unlike r9 285/380. So it is GCN 1.0 vs GCN 1.2, in theory both will perform similary just like r9 285 and r9 280 were doing, in practice r9 380x should perform better in the upcoming DX12 titles...
These cards are tweaked HD 7970 so no big gains there except if you care for useless stuff like power draw and somewhat less heat
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