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Antminer S21

Antminer S21

Hashrate 200.0 TH/s Power 3,500 W Efficiency 17.5 J/TH
VS
Innosilicon T3+ 52T

Innosilicon T3+ 52T

Hashrate 52.0 TH/s Power 2,800 W Efficiency 53.9 J/TH

Antminer S21 vs Innosilicon T3+ 52T

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

Specifications Comparison

Antminer S21 Specification Innosilicon T3+ 52T
200.0 TH/s Hashrate 52.0 TH/s
3,500 W Power Consumption 2,800 W
17.5 J/TH Efficiency 53.9 J/TH
75 dB Noise Level —
14.6 kg Weight 10,000.0 kg
11,942 BTU/hr BTU Output 9,554 BTU/hr
36/100 Home Mining Score 22/100
— Release Year —
SHA-256 Algorithm SHA-256
Bitmain Manufacturer Innosilicon

Profitability Comparison

$/kWh

Antminer S21

Daily Revenue 0.00008668 BTC $6.14
Daily Electricity -$8.40
Daily Profit -$2.26
Monthly -$67.72
Yearly -$823.95

Innosilicon T3+ 52T

Daily Revenue 0.00002254 BTC $1.60
Daily Electricity -$6.72
Daily Profit -$5.12
Monthly -$153.69
Yearly -$1,869.87

Based on BTC price of $70,862 and current network difficulty as of Mar 25, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Antminer S21 wins on 4 of 5 factors (efficiency, hashrate, home mining score, noise level). The Innosilicon T3+ 52T holds the edge in power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Antminer S21 — wins on 4 of 5 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Antminer S21

Score: 36/100. 75 dB noise level.

Best for Efficiency

Antminer S21

17.5 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Antminer S21 or Innosilicon T3+ 52T more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 is more profitable at $-2.26/day compared to $-5.12/day for the Innosilicon T3+ 52T. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Antminer S21 or Innosilicon T3+ 52T?

The Antminer S21 is quieter at 75 dB compared to the Innosilicon T3+ 52T at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the Antminer S21 or Innosilicon T3+ 52T?

The Antminer S21 scores 36/100 on our Home Mining Score (vs 22/100 for the Innosilicon T3+ 52T). 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 and Innosilicon T3+ 52T?

The Antminer S21 runs at 17.5 J/TH while the Innosilicon T3+ 52T runs at 53.9 J/TH — a difference of 36.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

Compare Antminer S21 with...

Compare Innosilicon T3+ 52T with...

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