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Antminer S21 Pro

Antminer S21 Pro

Hashrate 234.0 TH/s Power 3,510 W Efficiency 15.0 J/TH
VS
Innosilicon T3+

Innosilicon T3+

Hashrate 67.0 TH/s Power 3,300 W Efficiency 49.3 J/TH

Antminer S21 Pro vs Innosilicon T3+

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

Specifications Comparison

Antminer S21 Pro Specification Innosilicon T3+
234.0 TH/s Hashrate 67.0 TH/s
3,510 W Power Consumption 3,300 W
15.0 J/TH Efficiency 49.3 J/TH
75 dB Noise Level 75 dB
15.0 kg Weight 12.0 kg
11,976 BTU/hr BTU Output 11,260 BTU/hr
30/100 Home Mining Score 36/100
Release Year
SHA-256 Algorithm SHA-256
Bitmain Manufacturer Innosilicon

Profitability Comparison

$/kWh

Antminer S21 Pro

Daily Revenue 0.00010849 BTC $8.42
Daily Electricity -$8.42
Daily Profit -$0.01
Monthly -$0.19
Yearly -$2.30

Innosilicon T3+

Daily Revenue 0.00003106 BTC $2.41
Daily Electricity -$7.92
Daily Profit -$5.51
Monthly -$165.29
Yearly -$2,011.08

Based on BTC price of $77,592 and current network difficulty as of Apr 25, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Antminer S21 Pro wins on 2 of 5 factors (efficiency, hashrate). The Innosilicon T3+ holds the edge in power consumption and home mining score and price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Antminer S21 Pro — wins on 3 of 5 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Innosilicon T3+

Score: 36/100. 75 dB noise level.

Best for Efficiency

Antminer S21 Pro

15.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Antminer S21 Pro or Innosilicon T3+ more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 Pro is more profitable at $-0.01/day compared to $-5.51/day for the Innosilicon T3+. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Antminer S21 Pro or Innosilicon T3+?

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

Which is better for home mining, the Antminer S21 Pro or Innosilicon T3+?

The Innosilicon T3+ scores 36/100 on our Home Mining Score (vs 30/100 for the Antminer S21 Pro). 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 Antminer S21 Pro and Innosilicon T3+?

The Antminer S21 Pro runs at 15.0 J/TH while the Innosilicon T3+ runs at 49.3 J/TH — a difference of 34.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.