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Bitmain Antminer S21+ Hyd

Bitmain Antminer S21+ Hyd

Hashrate 319.0 TH/s Power 4,785 W Efficiency 15.0 J/TH
VS
Whatsminer M53

Whatsminer M53

Hashrate 226.0 TH/s Power 6,554 W Efficiency 29.0 J/TH

Bitmain Antminer S21+ Hyd vs Whatsminer M53

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

Bitmain Antminer S21+ Hyd Specification Whatsminer M53
319.0 TH/s Hashrate 226.0 TH/s
4,785 W Power Consumption 6,554 W
15.0 J/TH Efficiency 29.0 J/TH
50 dB Noise Level 50 dB
17.5 kg Weight 27.5 kg
16,326 BTU/hr BTU Output 22,362 BTU/hr
44/100 Home Mining Score 44/100
Release Year
SHA-256 Algorithm SHA-256
Bitmain Manufacturer MicroBT

Profitability Comparison

$/kWh

Bitmain Antminer S21+ Hyd

Daily Revenue 0.00014680 BTC $11.61
Daily Electricity -$11.48
Daily Profit $0.13
Monthly $3.78
Yearly $45.99

Whatsminer M53

Daily Revenue 0.00010400 BTC $8.23
Daily Electricity -$15.73
Daily Profit -$7.50
Monthly -$225.13
Yearly -$2,739.08

Based on BTC price of $79,088 and current network difficulty as of May 15, 2026. Actual results vary.

Verdict

Our scoring model gives the nod to the Bitmain Antminer S21+ Hyd, which leads on 4 of 4 weighted factors (efficiency, hashrate, power consumption, price-performance). The standout gap is 48% better efficiency (15.0 vs 29.0 J/TH) in the Bitmain Antminer S21+ Hyd's favour. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.

Winner: Bitmain Antminer S21+ Hyd — wins on 4 of 4 factors

Spec Deltas

The Bitmain Antminer S21+ Hyd and Whatsminer M53 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":

  • Bitmain Antminer S21+ Hyd 41% more hashrate (319 vs 226 TH/s)
  • Bitmain Antminer S21+ Hyd 27% better power draw (4,785 vs 6,554 W)
  • Bitmain Antminer S21+ Hyd 48% better efficiency (15.0 vs 29.0 J/TH)
  • Bitmain Antminer S21+ Hyd 36% better weight (17.5 vs 27.5 kg)
  • Whatsminer M53 37% more heat output (16,326 vs 22,362 BTU/hr)

Cost & ROI Over Time

Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.

Bitmain Antminer S21+ Hyd Metric Whatsminer M53
$2,499 Upfront cost (MSRP) $7,500
$0.13 Daily net profit -$7.50
-$2,453 Net after 1 year -$10,239
-$2,407 Net after 2 years -$12,978
-$2,361 Net after 3 years -$15,717
Takes ~54.3 years to pay back at current rates Payback period Does not pay back at current rates (negative daily profit)

Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.

Best For...

Best for Profitability

Bitmain Antminer S21+ Hyd

$7.63/day higher profit at current rates.

Best for Home Mining

Tie

Both miners are equally suitable for home use.

Best for Efficiency

Bitmain Antminer S21+ Hyd

15.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Bitmain Antminer S21+ Hyd vs Whatsminer M53: which one earns more per day?

At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd is more profitable at $0.13/day compared to $-7.50/day for the Whatsminer M53. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Bitmain Antminer S21+ Hyd vs Whatsminer M53: which runs at a lower noise level?

Both miners have similar noise levels. Check the specs table above for exact decibel readings.

Which is better for home mining, the Bitmain Antminer S21+ Hyd or Whatsminer M53?

Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.

How far apart are the Bitmain Antminer S21+ Hyd and Whatsminer M53 on J/TH?

The Bitmain Antminer S21+ Hyd runs at 15.0 J/TH while the Whatsminer M53 runs at 29.0 J/TH — a difference of 14.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 48% better efficiency (15.0 vs 29.0 J/TH).