Bitmain Antminer S21 XP Hyd vs Bitmain Antminer T9+ (10.5Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 XP Hyd | Specification | Bitmain Antminer T9+ (10.5Th) |
|---|---|---|
| 473.0 TH/s | Hashrate | 10.5 TH/s |
| 5,676 W | Power Consumption | 1,432 W |
| 12.0 J/TH | Efficiency | 136.4 J/TH |
| 50 dB | Noise Level | — |
| 12.3 kg | Weight | 4,200.0 kg |
| 19,367 BTU/hr | BTU Output | 4,886 BTU/hr |
| 44/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S21 XP Hyd
Bitmain Antminer T9+ (10.5Th)
Based on BTC price of $79,033 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S21 XP Hyd, which leads on 5 of 6 weighted factors (efficiency, hashrate, home mining score, noise level, price-performance). Where it pulls away hardest is 4405% more hashrate (473.0 vs 10.5 TH/s). That said, the Bitmain Antminer T9+ (10.5Th) isn't beaten everywhere — it still wins power consumption. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain Antminer S21 XP Hyd and Bitmain Antminer T9+ (10.5Th) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S21 XP Hyd 4405% more hashrate (473.0 vs 10.5 TH/s)
- Bitmain Antminer T9+ (10.5Th) 75% better power draw (5,676 vs 1,432 W)
- Bitmain Antminer S21 XP Hyd 91% better efficiency (12.0 vs 136.4 J/TH)
- Bitmain Antminer S21 XP Hyd 100% better weight (12.3 vs 4,200.0 kg)
- Bitmain Antminer S21 XP Hyd 296% more heat output (19,367 vs 4,886 BTU/hr)
- Bitmain Antminer S21 XP Hyd 42% more home mining score (44.0 vs 31.0)
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 T9+ (10.5Th) |
|---|---|---|
| $5,099 | Upfront cost (MSRP) | $955 |
| $3.58 | Daily net profit | -$3.05 |
| -$3,792 | Net after 1 year | -$2,070 |
| -$2,485 | Net after 2 years | -$3,185 |
| -$1,178 | Net after 3 years | -$4,300 |
| Takes ~3.9 years to pay back at current rates | Payback period | Does not pay back at current rates (negative daily profit) |
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$6.64/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21 XP HydScore: 44/100. 50 dB noise level.
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 T9+ (10.5Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Hyd is more profitable at $3.58/day compared to $-3.05/day for the Bitmain Antminer T9+ (10.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21 XP Hyd or Bitmain Antminer T9+ (10.5Th)?
The Bitmain Antminer S21 XP Hyd is quieter at 50 dB compared to the Bitmain Antminer T9+ (10.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer S21 XP Hyd or the Bitmain Antminer T9+ (10.5Th)?
The Bitmain Antminer S21 XP Hyd scores 44/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer T9+ (10.5Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer S21 XP Hyd and Bitmain Antminer T9+ (10.5Th) on J/TH?
The Bitmain Antminer S21 XP Hyd runs at 12.0 J/TH while the Bitmain Antminer T9+ (10.5Th) runs at 136.4 J/TH — a difference of 124.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 91% better efficiency (12.0 vs 136.4 J/TH).