Bitmain Antminer S21 Immersion (301Th) vs Innosilicon T2 Turbo 29T/30T
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 Immersion (301Th) | Specification | Innosilicon T2 Turbo 29T/30T |
|---|---|---|
| 301.0 TH/s | Hashrate | 30.0 TH/s |
| 5,569 W | Power Consumption | 2,400 W |
| 18.5 J/TH | Efficiency | 80.0 J/TH |
| 50 dB | Noise Level | — |
| 17.2 kg | Weight | 9,000.0 kg |
| 19,001 BTU/hr | BTU Output | 8,189 BTU/hr |
| 44/100 | Home Mining Score | 26/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Innosilicon |
Profitability Comparison
Bitmain Antminer S21 Immersion (301Th)
Innosilicon T2 Turbo 29T/30T
Based on BTC price of $77,332 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S21 Immersion (301Th) wins on 4 of 6 factors (efficiency, hashrate, home mining score, noise level). The Innosilicon T2 Turbo 29T/30T holds the edge in power consumption and price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitmain Antminer S21 Immersion (301Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21 Immersion (301Th)18.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 Immersion (301Th) or Innosilicon T2 Turbo 29T/30T more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 Immersion (301Th) is more profitable at $-2.57/day compared to $-4.68/day for the Innosilicon T2 Turbo 29T/30T. 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 (301Th) or Innosilicon T2 Turbo 29T/30T?
The Bitmain Antminer S21 Immersion (301Th) is quieter at 50 dB compared to the Innosilicon T2 Turbo 29T/30T at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S21 Immersion (301Th) or Innosilicon T2 Turbo 29T/30T?
The Bitmain Antminer S21 Immersion (301Th) scores 44/100 on our Home Mining Score (vs 26/100 for the Innosilicon T2 Turbo 29T/30T). 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 (301Th) and Innosilicon T2 Turbo 29T/30T?
The Bitmain Antminer S21 Immersion (301Th) runs at 18.5 J/TH while the Innosilicon T2 Turbo 29T/30T runs at 80.0 J/TH — a difference of 61.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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