Antminer D7 vs Bitmain Antminer S21 XP Immersion
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer D7 | Specification | Bitmain Antminer S21 XP Immersion |
|---|---|---|
| 1,286.0 GH/s | Hashrate | 300.0 TH/s |
| 3,148 W | Power Consumption | 4,050 W |
| 2,447.9 J/TH | Efficiency | 13.5 J/TH |
| 70 dB | Noise Level | 50 dB |
| 14.4 kg | Weight | 14.4 kg |
| 10,741 BTU/hr | BTU Output | 13,819 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 Immersion
Based on BTC price of $76,989 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S21 XP Immersion wins on 5 of 6 factors (efficiency, hashrate, home mining score, noise level, price-performance). The standout gap is 23228% more hashrate (1.3 vs 300.0 TH/s) in the Bitmain Antminer S21 XP Immersion's favour. The Antminer D7 holds the edge in 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 Immersion sit on each measurable spec:
- Bitmain Antminer S21 XP Immersion 23228% more hashrate (1.3 vs 300.0 TH/s)
- Antminer D7 22% better power draw (3,148 vs 4,050 W)
- Bitmain Antminer S21 XP Immersion 99% better efficiency (2,447.9 vs 13.5 J/TH)
- Bitmain Antminer S21 XP Immersion 29% better noise (70.0 vs 50.0 dB)
- Bitmain Antminer S21 XP Immersion 29% more heat output (10,741 vs 13,819 BTU/hr)
- Bitmain Antminer S21 XP Immersion 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 Immersion |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | $1,593 |
| -$7.51 | Daily net profit | $0.91 |
| -$5,241 | Net after 1 year | -$1,261 |
| -$7,982 | Net after 2 years | -$929 |
| -$10,723 | Net after 3 years | -$598 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~4.8 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 Immersion$8.42/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21 XP ImmersionScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21 XP Immersion13.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer D7 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 Immersion is more profitable at $0.91/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.
Antminer D7 vs Bitmain Antminer S21 XP Immersion: which runs at a lower noise level?
The Bitmain Antminer S21 XP Immersion 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.
Which is better for home mining, the Antminer D7 or Bitmain Antminer S21 XP Immersion?
The Bitmain Antminer S21 XP Immersion 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 Immersion on J/TH?
The Antminer D7 runs at 2,447.9 J/TH while the Bitmain Antminer S21 XP Immersion runs at 13.5 J/TH — a difference of 2,434.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 99% better efficiency (2,447.9 vs 13.5 J/TH).