Bitmain Antminer S19j Pro (104Th) vs Bitmain Antminer S21+ Hyd
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19j Pro (104Th) | Specification | Bitmain Antminer S21+ Hyd |
|---|---|---|
| 104.0 TH/s | Hashrate | 319.0 TH/s |
| 3,068 W | Power Consumption | 4,785 W |
| 29.5 J/TH | Efficiency | 15.0 J/TH |
| — | Noise Level | 50 dB |
| 13,200.0 kg | Weight | 17.5 kg |
| 10,468 BTU/hr | BTU Output | 16,326 BTU/hr |
| 22/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S19j Pro (104Th)
Bitmain Antminer S21+ Hyd
Based on BTC price of $78,016 and current network difficulty as of Apr 26, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S21+ Hyd wins on 4 of 6 factors (efficiency, hashrate, home mining score, noise level). The Bitmain Antminer S19j Pro (104Th) 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
Bitmain Antminer S21+ Hyd$3.66/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21+ HydScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21+ Hyd15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S19j Pro (104Th) or Bitmain Antminer S21+ Hyd more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd is more profitable at $0.05/day compared to $-3.60/day for the Bitmain Antminer S19j Pro (104Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S19j Pro (104Th) or Bitmain Antminer S21+ Hyd?
The Bitmain Antminer S21+ Hyd is quieter at 50 dB compared to the Bitmain Antminer S19j Pro (104Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S19j Pro (104Th) or Bitmain Antminer S21+ Hyd?
The Bitmain Antminer S21+ Hyd scores 44/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S19j Pro (104Th)). 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 S19j Pro (104Th) and Bitmain Antminer S21+ Hyd?
The Bitmain Antminer S19j Pro (104Th) runs at 29.5 J/TH while the Bitmain Antminer S21+ Hyd runs at 15.0 J/TH — a difference of 14.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.