Skip to content

We're upgrading our operations to serve you better. Orders ship as usual from Laval, QC. Questions? Contact us

Bitcoin accepted at checkout  |  Ships from Laval, QC, Canada  |  Expert support since 2016

Bitmain Antminer S21+ Hyd

Bitmain Antminer S21+ Hyd

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

MicroBT WhatsMiner M79S

Hashrate 980.0 TH/s Power 13,230 W Efficiency 13.5 J/TH

Bitmain Antminer S21+ Hyd vs MicroBT WhatsMiner M79S

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

Specifications Comparison

Bitmain Antminer S21+ Hyd Specification MicroBT WhatsMiner M79S
319.0 TH/s Hashrate 980.0 TH/s
4,785 W Power Consumption 13,230 W
15.0 J/TH Efficiency 13.5 J/TH
50 dB Noise Level 50 dB
17.5 kg Weight 37.0 kg
16,326 BTU/hr BTU Output 45,141 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 0.00014789 BTC $11.50
Daily Electricity -$11.48
Daily Profit $0.02
Monthly $0.59
Yearly $7.18

MicroBT WhatsMiner M79S

Daily Revenue 0.00045435 BTC $35.34
Daily Electricity -$31.75
Daily Profit $3.59
Monthly $107.65
Yearly $1,309.76

Based on BTC price of $77,783 and current network difficulty as of Apr 25, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the MicroBT WhatsMiner M79S wins on 2 of 3 factors (efficiency, hashrate). The Bitmain Antminer S21+ Hyd holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: MicroBT WhatsMiner M79S — wins on 2 of 3 factors

Best For...

Best for Profitability

MicroBT WhatsMiner M79S

$3.57/day higher profit at current rates.

Best for Home Mining

Tie

Both miners are equally suitable for home use.

Best for Efficiency

MicroBT WhatsMiner M79S

13.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S21+ Hyd or MicroBT WhatsMiner M79S more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M79S is more profitable at $3.59/day compared to $0.02/day for the Bitmain Antminer S21+ Hyd. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S21+ Hyd or MicroBT WhatsMiner M79S?

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 MicroBT WhatsMiner M79S?

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

What is the efficiency difference between Bitmain Antminer S21+ Hyd and MicroBT WhatsMiner M79S?

The Bitmain Antminer S21+ Hyd runs at 15.0 J/TH while the MicroBT WhatsMiner M79S runs at 13.5 J/TH — a difference of 1.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.