Bitmain Antminer S21 XP Immersion vs Bitmain Antminer S7
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 XP Immersion | Specification | Bitmain Antminer S7 |
|---|---|---|
| 300.0 TH/s | Hashrate | 4.7 TH/s |
| 4,050 W | Power Consumption | 1,293 W |
| 13.5 J/TH | Efficiency | 273.4 J/TH |
| 50 dB | Noise Level | — |
| 14.4 kg | Weight | 3,900.0 kg |
| 13,819 BTU/hr | BTU Output | 4,412 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 Immersion
Bitmain Antminer S7
Based on BTC price of $76,982 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 Immersion edges it: 4 of 5 factors go its way (efficiency, hashrate, home mining score, noise level). The standout gap is 6242% more hashrate (300.0 vs 4.7 TH/s) in the Bitmain Antminer S21 XP Immersion's favour. That said, the Bitmain Antminer S7 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
Stripped to the numbers, this is how far apart the Bitmain Antminer S21 XP Immersion and Bitmain Antminer S7 sit on each measurable spec:
- Bitmain Antminer S21 XP Immersion 6242% more hashrate (300.0 vs 4.7 TH/s)
- Bitmain Antminer S7 68% better power draw (4,050 vs 1,293 W)
- Bitmain Antminer S21 XP Immersion 95% better efficiency (13.5 vs 273.4 J/TH)
- Bitmain Antminer S21 XP Immersion 100% better weight (14.4 vs 3,900.0 kg)
- Bitmain Antminer S21 XP Immersion 213% more heat output (13,819 vs 4,412 BTU/hr)
- Bitmain Antminer S21 XP Immersion 42% more home mining score (44.0 vs 31.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Bitmain Antminer S21 XP Immersion | Metric | Bitmain Antminer S7 |
|---|---|---|
| $1,593 | Upfront cost (MSRP) | — |
| $0.91 | Daily net profit | -$2.94 |
| -$1,261 | Net after 1 year | -$1,072 |
| -$930 | Net after 2 years | -$2,143 |
| -$599 | Net after 3 years | -$3,215 |
| Takes ~4.8 years to pay back at current rates | Payback period | — |
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$3.84/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 Bitmain Antminer S21 XP Immersion or Bitmain Antminer S7 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 $-2.94/day for the Bitmain Antminer S7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S21 XP Immersion or the Bitmain Antminer S7 better for noise-sensitive spaces?
The Bitmain Antminer S21 XP Immersion is quieter at 50 dB compared to the Bitmain Antminer S7 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S21 XP Immersion vs Bitmain Antminer S7: which fits a residential setup better?
The Bitmain Antminer S21 XP Immersion scores 44/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S7). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S21 XP Immersion vs Bitmain Antminer S7: how much does the efficiency gap matter?
The Bitmain Antminer S21 XP Immersion runs at 13.5 J/TH while the Bitmain Antminer S7 runs at 273.4 J/TH — a difference of 259.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 95% better efficiency (13.5 vs 273.4 J/TH).