Elphapex DG2 Mini vs BW L21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Elphapex DG2 Mini | Specification | BW L21 |
|---|---|---|
| 2.4 GH/s | Taux de hachage | 550.0 MH/s |
| 530 W | Consommation électrique | 950 W |
| 220,833.3 J/TH | Efficiency | 1,727,272.7 J/TH |
| 45 dB | Niveau de bruit | — |
| 4.5 kg | Weight | 5,750.0 kg |
| 1,808 BTU/hr | BTU Output | 3,241 BTU/hr |
| 58/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Scrypt | Algorithme | Scrypt |
| Elphapex | Manufacturer | BW |
Profitability Comparison
Elphapex DG2 Mini
BW L21
Based on BTC price of $78,241 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Elphapex DG2 Mini l'emporte sur 5 des 5 facteurs (efficacité, hashrate, consommation électrique, score de minage domestique, niveau sonore). Where it pulls away hardest is 87% better efficacité (220,833 vs 1,727,273 J/TH). 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 Elphapex DG2 Mini and BW L21 sit on each measurable spec:
- Elphapex DG2 Mini 336% more hashrate (0.0 vs 0.0 TH/s)
- Elphapex DG2 Mini 44% better power draw (530 vs 950 W)
- Elphapex DG2 Mini 87% better efficacité (220,833 vs 1,727,273 J/TH)
- Elphapex DG2 Mini 100% better weight (4.5 vs 5,750.0 kg)
- BW L21 79% more heat output (1,808 vs 3,241 BTU/hr)
- Elphapex DG2 Mini 87% more score de minage domestique (58.0 vs 31.0)
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.
| Elphapex DG2 Mini | Metric | BW L21 |
|---|---|---|
| $999 | Upfront cost (MSRP) | — |
| -$1.27 | Daily net profit | -$2.28 |
| -$1,463 | Net after 1 year | -$832 |
| -$1,927 | Net after 2 years | -$1,664 |
| -$2,392 | Net after 3 years | -$2,497 |
| Does not pay back at current rates (negative daily profit) | 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
TieBoth miners produce similar daily profit.
Best for Home Mining
Elphapex DG2 MiniScore: 58/100. 45 dB noise level.
Best for Efficiency
Elphapex DG2 Mini220,833.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Elphapex DG2 Mini vs BW L21: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Elphapex DG2 Mini is more profitable at $-1.27/day compared to $-2.28/day for the BW L21. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Elphapex DG2 Mini or the BW L21 better for noise-sensitive spaces?
The Elphapex DG2 Mini is quieter at 45 dB compared to the BW L21 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Elphapex DG2 Mini or the BW L21?
The Elphapex DG2 Mini scores 58/100 on our Home Mining Score (vs 31/100 for the BW L21). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Elphapex DG2 Mini vs BW L21: how much does the efficiency gap matter?
The Elphapex DG2 Mini runs at 220,833.3 J/TH while the BW L21 runs at 1,727,272.7 J/TH — a difference of 1,506,439.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 87% better efficacité (220,833 vs 1,727,273 J/TH).