Bitmain Antminer S9k (13.5Th) vs Bitmain T21 (190TH)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9k (13.5Th) | Specification | Bitmain T21 (190TH) |
|---|---|---|
| 13.5 TH/s | Hashrate | 190.0 TH/s |
| 1,310 W | Power Consumption | 3,610 W |
| 97.0 J/TH | Efficiency | 19.0 J/TH |
| — | Noise Level | 76 dB |
| 4,200.0 kg | Weight | 16.4 kg |
| 4,470 BTU/hr | BTU Output | 12,317 BTU/hr |
| 31/100 | Home Mining Score | 23/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S9k (13.5Th)
Bitmain T21 (190TH)
Based on BTC price of $77,624 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain T21 (190TH) wins on 4 of 6 factors (efficiency, hashrate, noise level, price-performance). The Bitmain Antminer S9k (13.5Th) 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.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitmain Antminer S9k (13.5Th)Score: 31/100. 0 dB noise level.
Best for Efficiency
Bitmain T21 (190TH)19.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9k (13.5Th) or Bitmain T21 (190TH) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain T21 (190TH) is more profitable at $-1.83/day compared to $-2.66/day for the Bitmain Antminer S9k (13.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S9k (13.5Th) or Bitmain T21 (190TH)?
The Bitmain T21 (190TH) is quieter at 76 dB compared to the Bitmain Antminer S9k (13.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S9k (13.5Th) or Bitmain T21 (190TH)?
The Bitmain Antminer S9k (13.5Th) scores 31/100 on our Home Mining Score (vs 23/100 for the Bitmain T21 (190TH)). 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 S9k (13.5Th) and Bitmain T21 (190TH)?
The Bitmain Antminer S9k (13.5Th) runs at 97.0 J/TH while the Bitmain T21 (190TH) runs at 19.0 J/TH — a difference of 78.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.