Antminer D7 vs Bitmain Antminer S21 XP Hyd
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D7 | Specification | Bitmain Antminer S21 XP Hyd |
|---|---|---|
| 1,286.0 GH/s | Hashrate | 473.0 TH/s |
| 3,148 W | Power Consumption | 5,676 W |
| 2,447.9 J/TH | Efficiency | 12.0 J/TH |
| 70 dB | Noise Level | 50 dB |
| 14.4 kg | Weight | 12.3 kg |
| 10,741 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 D7
Bitmain Antminer S21 XP Hyd
Based on BTC price of $79,091 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer S21 XP Hyd edges it: 5 of 6 factors go its way (efficiency, hashrate, home mining score, noise level, price-performance). Its biggest concrete edge: 36681% more hashrate (1.3 vs 473.0 TH/s). The Antminer D7 claws back ground on power consumption. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer D7 and Bitmain Antminer S21 XP Hyd sit on each measurable spec:
- Bitmain Antminer S21 XP Hyd 36681% more hashrate (1.3 vs 473.0 TH/s)
- Antminer D7 45% better power draw (3,148 vs 5,676 W)
- Bitmain Antminer S21 XP Hyd 100% better efficiency (2,447.9 vs 12.0 J/TH)
- Bitmain Antminer S21 XP Hyd 29% better noise (70.0 vs 50.0 dB)
- Bitmain Antminer S21 XP Hyd 15% better weight (14.4 vs 12.3 kg)
- Bitmain Antminer S21 XP Hyd 80% more heat output (10,741 vs 19,367 BTU/hr)
- Bitmain Antminer S21 XP Hyd 22% more home mining score (36.0 vs 44.0)
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.
| Antminer D7 | Metric | Bitmain Antminer S21 XP Hyd |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | $5,099 |
| -$7.51 | Daily net profit | $3.59 |
| -$5,241 | Net after 1 year | -$3,788 |
| -$7,981 | Net after 2 years | -$2,476 |
| -$10,722 | Net after 3 years | -$1,165 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~3.9 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$11.10/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 Antminer D7 or Bitmain Antminer S21 XP Hyd more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Hyd is more profitable at $3.59/day compared to $-7.51/day for the Antminer D7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer D7 or Bitmain Antminer S21 XP Hyd?
The Bitmain Antminer S21 XP Hyd is quieter at 50 dB compared to the Antminer D7 at 70 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer D7 vs Bitmain Antminer S21 XP Hyd: which fits a residential setup better?
The Bitmain Antminer S21 XP Hyd scores 44/100 on our Home Mining Score (vs 36/100 for the Antminer D7). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Antminer D7 and Bitmain Antminer S21 XP Hyd on J/TH?
The Antminer D7 runs at 2,447.9 J/TH while the Bitmain Antminer S21 XP Hyd runs at 12.0 J/TH — a difference of 2,435.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficiency (2,447.9 vs 12.0 J/TH).