Bitmain Antminer S21 XP Hyd vs Bitmain Antminer S21 XP Immersion
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 XP Hyd | Specification | Bitmain Antminer S21 XP Immersion |
|---|---|---|
| 473.0 TH/s | Hashrate | 300.0 TH/s |
| 5,676 W | Power Consumption | 4,050 W |
| 12.0 J/TH | Efficiency | 13.5 J/TH |
| 50 dB | Noise Level | 50 dB |
| 12.3 kg | Weight | 14.4 kg |
| 19,367 BTU/hr | BTU Output | 13,819 BTU/hr |
| 44/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S21 XP Hyd
Bitmain Antminer S21 XP Immersion
Based on BTC price of $76,967 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer S21 XP Hyd edges it: 2 of 4 factors go its way (efficiency, hashrate). Its biggest concrete edge: 58% more hashrate (473 vs 300 TH/s). That said, the Bitmain Antminer S21 XP Immersion isn't beaten everywhere — it still wins power consumption and price-performance. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer S21 XP Hyd and Bitmain Antminer S21 XP Immersion actually differ, with the gap quantified:
- Bitmain Antminer S21 XP Hyd 58% more hashrate (473 vs 300 TH/s)
- Bitmain Antminer S21 XP Immersion 29% better power draw (5,676 vs 4,050 W)
- Bitmain Antminer S21 XP Hyd 11% better efficiency (12.0 vs 13.5 J/TH)
- Bitmain Antminer S21 XP Hyd 15% better weight (12.3 vs 14.4 kg)
- Bitmain Antminer S21 XP Hyd 40% more heat output (19,367 vs 13,819 BTU/hr)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer S21 XP Hyd | Metric | Bitmain Antminer S21 XP Immersion |
|---|---|---|
| $5,099 | Upfront cost (MSRP) | $1,593 |
| $3.13 | Daily net profit | $0.91 |
| -$3,956 | Net after 1 year | -$1,262 |
| -$2,814 | Net after 2 years | -$932 |
| -$1,671 | Net after 3 years | -$601 |
| Takes ~4.5 years to pay back at current rates | Payback period | Takes ~4.8 years to pay back at current rates |
At the default rate, the Bitmain Antminer S21 XP Hyd reaches break-even first — but plug in your own electricity cost above, since payback shifts sharply with it.
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
Bitmain Antminer S21 XP Hyd$2.23/day higher profit at current rates.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain Antminer S21 XP Hyd12.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21 XP Hyd or Bitmain Antminer S21 XP Immersion more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Hyd is more profitable at $3.13/day compared to $0.91/day for the Bitmain Antminer S21 XP Immersion. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S21 XP Hyd vs Bitmain Antminer S21 XP Immersion: which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer S21 XP Hyd or Bitmain Antminer S21 XP Immersion?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
How far apart are the Bitmain Antminer S21 XP Hyd and Bitmain Antminer S21 XP Immersion on J/TH?
The Bitmain Antminer S21 XP Hyd runs at 12.0 J/TH while the Bitmain Antminer S21 XP Immersion runs at 13.5 J/TH — a difference of 1.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 11% better efficiency (12.0 vs 13.5 J/TH).