Bitmain Antminer S21 XP Immersion vs Bitfily Snow Panther B1
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 XP Immersion | Specification | Bitfily Snow Panther B1 |
|---|---|---|
| 300.0 TH/s | Taux de hachage | 16.0 TH/s |
| 4,050 W | Consommation électrique | 1,380 W |
| 13.5 J/TH | Efficiency | 86.3 J/TH |
| 50 dB | Niveau de bruit | — |
| 14.4 kg | Weight | 4,500.0 kg |
| 13,819 BTU/hr | BTU Output | 4,709 BTU/hr |
| 44/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitfily |
Profitability Comparison
Bitmain Antminer S21 XP Immersion
Bitfily Snow Panther B1
Based on BTC price of $78,210 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S21 XP Immersion, which leads on 4 of 5 weighted factors (efficacité, hashrate, score de minage domestique, niveau sonore). Its biggest concrete edge: 1775% more hashrate (300.0 vs 16.0 TH/s). The Bitfily Snow Panther B1 holds the edge in consommation électrique. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer S21 XP Immersion and Bitfily Snow Panther B1 actually differ, with the gap quantified:
- Bitmain Antminer S21 XP Immersion 1775% more hashrate (300.0 vs 16.0 TH/s)
- Bitfily Snow Panther B1 66% better power draw (4,050 vs 1,380 W)
- Bitmain Antminer S21 XP Immersion 84% better efficacité (13.5 vs 86.3 J/TH)
- Bitmain Antminer S21 XP Immersion 100% better weight (14.4 vs 4,500.0 kg)
- Bitmain Antminer S21 XP Immersion 193% more heat output (13,819 vs 4,709 BTU/hr)
- Bitmain Antminer S21 XP Immersion 42% more score de minage domestique (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 | Bitfily Snow Panther B1 |
|---|---|---|
| $1,593 | Upfront cost (MSRP) | — |
| $1.08 | Daily net profit | -$2.74 |
| -$1,200 | Net after 1 year | -$999 |
| -$806 | Net after 2 years | -$1,997 |
| -$413 | Net after 3 years | -$2,996 |
| Takes ~4.1 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$3.81/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
Which makes more money, the Bitmain Antminer S21 XP Immersion or the Bitfily Snow Panther B1?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 XP Immersion is more profitable at $1.08/day compared to $-2.74/day for the Bitfily Snow Panther B1. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S21 XP Immersion vs Bitfily Snow Panther B1: which runs at a lower noise level?
The Bitmain Antminer S21 XP Immersion is quieter at 50 dB compared to the Bitfily Snow Panther B1 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 Immersion or the Bitfily Snow Panther B1?
The Bitmain Antminer S21 XP Immersion scores 44/100 on our Home Mining Score (vs 31/100 for the Bitfily Snow Panther B1). 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 Bitfily Snow Panther B1: how much does the efficiency gap matter?
The Bitmain Antminer S21 XP Immersion runs at 13.5 J/TH while the Bitfily Snow Panther B1 runs at 86.3 J/TH — a difference of 72.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 84% better efficacité (13.5 vs 86.3 J/TH).