Bitmain Antminer S21 XP Immersion

Hashrate 300.0 TH/s Power 4,050 W Efficiency 13.5 J/TH

MicroBT WhatsMiner M70S+

Hashrate 262.0 TH/s Power 3,275 W Efficiency 12.5 J/TH

Bitmain Antminer S21 XP Immersion vs MicroBT WhatsMiner M70S+

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

Specifications Comparison

Bitmain Antminer S21 XP Immersion	Specification	MicroBT WhatsMiner M70S+
300.0 TH/s	Hashrate	262.0 TH/s
4,050 W	Power Consumption	3,275 W
13.5 J/TH	Efficiency	12.5 J/TH
50 dB	Noise Level	75 dB
14.4 kg	Weight	13.5 kg
13,819 BTU/hr	BTU Output	11,174 BTU/hr
44/100	Home Mining Score	36/100
—	Release Year	—
SHA-256	Algorithm	SHA-256
Bitmain	Manufacturer	MicroBT

Profitability Comparison

Electricity Rate:

$/kWh

Bitmain Antminer S21 XP Immersion

Daily Revenue 0.00014096 BTC $9.34

Daily Electricity -$9.72

Daily Profit -$0.38

Monthly -$11.49

Yearly -$139.76

MicroBT WhatsMiner M70S+

Daily Revenue 0.00012310 BTC $8.15

Daily Electricity -$7.86

Daily Profit $0.29

Monthly $8.83

Yearly $107.45

Based on BTC price of $66,240 and current network difficulty as of Mar 29, 2026. Actual results vary.

Verdict

Both the Bitmain Antminer S21 XP Immersion and MicroBT WhatsMiner M70S+ are closely matched across our scoring factors, with neither holding a decisive advantage. Your choice should depend on your specific priorities — review the specs and profitability analysis above.

Best For...

Best for Profitability

MicroBT WhatsMiner M70S+

$0.68/day higher profit at current rates.

Best for Home Mining

Bitmain Antminer S21 XP Immersion

Score: 44/100. 50 dB noise level.

Best for Efficiency

MicroBT WhatsMiner M70S+

12.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S21 XP Immersion or MicroBT WhatsMiner M70S+ more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the MicroBT WhatsMiner M70S+ is more profitable at $0.29/day compared to $-0.38/day for the Bitmain Antminer S21 XP Immersion. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S21 XP Immersion or MicroBT WhatsMiner M70S+?

The Bitmain Antminer S21 XP Immersion is quieter at 50 dB compared to the MicroBT WhatsMiner M70S+ at 75 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Bitmain Antminer S21 XP Immersion or MicroBT WhatsMiner M70S+?

The Bitmain Antminer S21 XP Immersion scores 44/100 on our Home Mining Score (vs 36/100 for the MicroBT WhatsMiner M70S+). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.

What is the efficiency difference between Bitmain Antminer S21 XP Immersion and MicroBT WhatsMiner M70S+?

The Bitmain Antminer S21 XP Immersion runs at 13.5 J/TH while the MicroBT WhatsMiner M70S+ runs at 12.5 J/TH — a difference of 1.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

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