Antminer D9 vs Bitmain Antminer S21 XP Hyd
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D9 | Specification | Bitmain Antminer S21 XP Hyd |
|---|---|---|
| 1,770.0 GH/s | Hashrate | 473.0 TH/s |
| 2,839 W | Power Consumption | 5,676 W |
| 1,604.0 J/TH | Efficiency | 12.0 J/TH |
| 75 dB | Noise Level | 50 dB |
| 16.1 kg | Weight | 12.3 kg |
| 9,687 BTU/hr | BTU Output | 19,367 BTU/hr |
| 36/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| X11 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer D9
Bitmain Antminer S21 XP Hyd
Based on BTC price of $78,004 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer S21 XP Hyd comes out ahead — it takes 5 of 6 (efficiency, hashrate, home mining score, noise level, price-performance). Where it pulls away hardest is 26623% more hashrate (1.8 vs 473.0 TH/s). That said, the Antminer D9 isn't beaten everywhere — it still wins power consumption. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Antminer D9 and Bitmain Antminer S21 XP Hyd actually differ, with the gap quantified:
- Bitmain Antminer S21 XP Hyd 26623% more hashrate (1.8 vs 473.0 TH/s)
- Antminer D9 50% better power draw (2,839 vs 5,676 W)
- Bitmain Antminer S21 XP Hyd 99% better efficiency (1,604.0 vs 12.0 J/TH)
- Bitmain Antminer S21 XP Hyd 33% better noise (75.0 vs 50.0 dB)
- Bitmain Antminer S21 XP Hyd 24% better weight (16.1 vs 12.3 kg)
- Bitmain Antminer S21 XP Hyd 100% more heat output (9,687 vs 19,367 BTU/hr)
- Bitmain Antminer S21 XP Hyd 22% more home mining score (36.0 vs 44.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Antminer D9 | Metric | Bitmain Antminer S21 XP Hyd |
|---|---|---|
| $3,000 | Upfront cost (MSRP) | $5,099 |
| -$6.75 | Daily net profit | $3.36 |
| -$5,464 | Net after 1 year | -$3,874 |
| -$7,928 | Net after 2 years | -$2,649 |
| -$10,391 | Net after 3 years | -$1,424 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~4.2 years to pay back at current rates |
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$10.11/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
Which makes more money, the Antminer D9 or the Bitmain Antminer S21 XP Hyd?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Hyd is more profitable at $3.36/day compared to $-6.75/day for the Antminer D9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer D9 or Bitmain Antminer S21 XP Hyd?
The Bitmain Antminer S21 XP Hyd is quieter at 50 dB compared to the Antminer D9 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer D9 or Bitmain Antminer S21 XP Hyd?
The Bitmain Antminer S21 XP Hyd scores 44/100 on our Home Mining Score (vs 36/100 for the Antminer D9). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer D9 vs Bitmain Antminer S21 XP Hyd: how much does the efficiency gap matter?
The Antminer D9 runs at 1,604.0 J/TH while the Bitmain Antminer S21 XP Hyd runs at 12.0 J/TH — a difference of 1,592.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 99% better efficiency (1,604.0 vs 12.0 J/TH).