The Bitcoin Atlas
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gpuAMD

AMD Radeon HD 7970

The last great Bitcoin GPU before ASICs

Hashrate
675 MH/s
Power
300W
Efficiency
444 J/MH
MSRP
$550

The HD 7970 delivered ~675 MH/s on SHA-256 — the peak of graphics-card Bitcoin mining before Avalon ASICs shipped in 2013. After ASICs arrived, GPUs were permanently obsolete for serious Bitcoin hashrate.

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