Antminer S19 Pro+ Hyd vs Antminer S21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19 Pro+ Hyd | Specification | Antminer S21 |
|---|---|---|
| 198.0 TH/s | Hashrate | 200.0 TH/s |
| 5,445 W | Power Consumption | 3,500 W |
| 27.5 J/TH | Efficiency | 17.5 J/TH |
| 50 dB | Noise Level | 75 dB |
| 15.0 kg | Weight | 14.6 kg |
| 18,578 BTU/hr | BTU Output | 11,942 BTU/hr |
| 44/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S19 Pro+ Hyd
Antminer S21
Based on BTC price of $71,483 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer S21 wins on 4 of 6 factors (efficiency, hashrate, power consumption, price-performance). The Antminer S19 Pro+ Hyd holds the edge in home mining score and noise level. 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
Antminer S19 Pro+ HydScore: 44/100. 50 dB noise level.
Best for Efficiency
Antminer S2117.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer S19 Pro+ Hyd or Antminer S21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 is more profitable at $-2.20/day compared to $-6.93/day for the Antminer S19 Pro+ Hyd. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer S19 Pro+ Hyd or Antminer S21?
The Antminer S19 Pro+ Hyd is quieter at 50 dB compared to the Antminer S21 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S19 Pro+ Hyd or Antminer S21?
The Antminer S19 Pro+ Hyd scores 44/100 on our Home Mining Score (vs 36/100 for the Antminer S21). 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 Antminer S19 Pro+ Hyd and Antminer S21?
The Antminer S19 Pro+ Hyd runs at 27.5 J/TH while the Antminer S21 runs at 17.5 J/TH — a difference of 10.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.