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Bitmain Antminer S21 Immersion (227Th)

Hashrate 227.0 TH/s Power 3,623 W Efficiency 16.0 J/TH
VS

Auradine Teraflux AI3680

Hashrate 375.0 TH/s Power 5,625 W Efficiency 15.0 J/TH

Bitmain Antminer S21 Immersion (227Th) vs Auradine Teraflux AI3680

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

Specifications Comparison

Bitmain Antminer S21 Immersion (227Th) Specification Auradine Teraflux AI3680
227.0 TH/s Hashrate 375.0 TH/s
3,623 W Power Consumption 5,625 W
16.0 J/TH Efficiency 15.0 J/TH
75 dB Noise Level 55 dB
17.2 kg Weight —
12,362 BTU/hr BTU Output 19,193 BTU/hr
30/100 Home Mining Score —
— Release Year —
SHA-256 Algorithm SHA-256
Bitmain Manufacturer Auradine

Profitability Comparison

$/kWh

Bitmain Antminer S21 Immersion (227Th)

Daily Revenue 0.00010524 BTC $7.78
Daily Electricity -$8.70
Daily Profit -$0.91
Monthly -$27.37
Yearly -$333.06

Auradine Teraflux AI3680

Daily Revenue 0.00017386 BTC $12.86
Daily Electricity -$13.50
Daily Profit -$0.64
Monthly -$19.29
Yearly -$234.74

Based on BTC price of $73,951 and current network difficulty as of Apr 19, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Auradine Teraflux AI3680 wins on 3 of 5 factors (efficiency, hashrate, noise level). The Bitmain Antminer S21 Immersion (227Th) holds the edge in power consumption and home mining score. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.

Winner: Auradine Teraflux AI3680 — wins on 3 of 5 factors

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Bitmain Antminer S21 Immersion (227Th)

Score: 30/100. 75 dB noise level.

Best for Efficiency

Auradine Teraflux AI3680

15.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Bitmain Antminer S21 Immersion (227Th) or Auradine Teraflux AI3680 more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Auradine Teraflux AI3680 is more profitable at $-0.64/day compared to $-0.91/day for the Bitmain Antminer S21 Immersion (227Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Bitmain Antminer S21 Immersion (227Th) or Auradine Teraflux AI3680?

The Auradine Teraflux AI3680 is quieter at 55 dB compared to the Bitmain Antminer S21 Immersion (227Th) 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 Immersion (227Th) or Auradine Teraflux AI3680?

The Bitmain Antminer S21 Immersion (227Th) scores 30/100 on our Home Mining Score (vs 0/100 for the Auradine Teraflux AI3680). 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 Immersion (227Th) and Auradine Teraflux AI3680?

The Bitmain Antminer S21 Immersion (227Th) runs at 16.0 J/TH while the Auradine Teraflux AI3680 runs at 15.0 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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