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ASIC profitability, model by model

Seven machines, from a 2020 S19 to a 2024 S21 Pro. Same network, same bitcoin, same day: the only variable is how many joules each one burns per terahash. Collected 22/10/2026.

The overview

ModelHashratePowerJ/THGross/dayNet at $0.07
Antminer S21 Pro234 TH/s3,510 W15.0$8.35+$2.45
Antminer S21200 TH/s3,500 W17.5$7.13+$1.25
Whatsminer M60S186 TH/s3,441 W18.5$6.63+$0.85
Avalon A1466150 TH/s3,230 W21.5$5.35-$0.08
Antminer S19 Pro110 TH/s3,250 W29.5$3.92-$1.54
Antminer S19j Pro104 TH/s3,068 W29.5$3.71-$1.44
Antminer S1995 TH/s3,250 W34.0$3.39-$2.07

Manufacturer rated figures, 144 blocks a day at 3.125 BTC, BTC price and hashrate collected 22/10/2026. Pool and hosting fees not deducted.

Why efficiency decides everything

Two machines can cost the same and earn the same, and still not be worth the same: the one at 15 J/TH needs roughly half the electricity of the one at 34 J/TH. Since the coins per terahash are identical across models, the entire difference lands on the power bill.

The break-even figure on each page is the number to compare with your own tariff. Above it, the machine works for the utility.

Antminer S21 Pro

234 TH/s · 3,510 W · 15.0 J/TH

Gross output: $8.35/day · 84.2 kWh/day · break-even: $0.0991/kWh.

Antminer S21

200 TH/s · 3,500 W · 17.5 J/TH

Gross output: $7.13/day · 84.0 kWh/day · break-even: $0.0849/kWh.

Whatsminer M60S

186 TH/s · 3,441 W · 18.5 J/TH

Gross output: $6.63/day · 82.6 kWh/day · break-even: $0.0803/kWh.

Avalon A1466

150 TH/s · 3,230 W · 21.5 J/TH

Gross output: $5.35/day · 77.5 kWh/day · break-even: $0.0690/kWh.

Antminer S19 Pro

110 TH/s · 3,250 W · 29.5 J/TH

Gross output: $3.92/day · 78.0 kWh/day · break-even: $0.0503/kWh.

Antminer S19j Pro

104 TH/s · 3,068 W · 29.5 J/TH

Gross output: $3.71/day · 73.6 kWh/day · break-even: $0.0504/kWh.

Antminer S19

95 TH/s · 3,250 W · 34.0 J/TH

Gross output: $3.39/day · 78.0 kWh/day · break-even: $0.0434/kWh.

Not sure which tier you are in?

The hashrate tiers answer the same question by power level, from 1 to 500 TH/s.

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