Bitmain Antminer S19 XP+ Hyd (279Th) vs Antminer S21 XP
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19 XP+ Hyd (279Th) | Specification | Antminer S21 XP |
|---|---|---|
| 279.0 TH/s | Hashrate | 270.0 TH/s |
| 5,301 W | Power Consumption | 3,645 W |
| 19.0 J/TH | Efficiency | 13.5 J/TH |
| 50 dB | Noise Level | 75 dB |
| 13.4 kg | Weight | 15.4 kg |
| 18,087 BTU/hr | BTU Output | 12,437 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S19 XP+ Hyd (279Th)
Antminer S21 XP
Based on BTC price of $77,308 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S19 XP+ Hyd (279Th) wins on 4 of 6 factors (hashrate, home mining score, noise level, price-performance). The Antminer S21 XP holds the edge in efficiency and power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
Antminer S21 XP$3.65/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S19 XP+ Hyd (279Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Antminer S21 XP13.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S19 XP+ Hyd (279Th) or Antminer S21 XP more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 XP is more profitable at $0.93/day compared to $-2.72/day for the Bitmain Antminer S19 XP+ Hyd (279Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S19 XP+ Hyd (279Th) or Antminer S21 XP?
The Bitmain Antminer S19 XP+ Hyd (279Th) is quieter at 50 dB compared to the Antminer S21 XP at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S19 XP+ Hyd (279Th) or Antminer S21 XP?
The Bitmain Antminer S19 XP+ Hyd (279Th) scores 44/100 on our Home Mining Score (vs 30/100 for the Antminer S21 XP). 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 S19 XP+ Hyd (279Th) and Antminer S21 XP?
The Bitmain Antminer S19 XP+ Hyd (279Th) runs at 19.0 J/TH while the Antminer S21 XP runs at 13.5 J/TH — a difference of 5.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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