Elphapex DG1S vs BW L21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Elphapex DG1S | Specification | BW L21 |
|---|---|---|
| 10.0 GH/s | Hashrate | 550.0 MH/s |
| 3,100 W | Power Consumption | 950 W |
| 310,000.0 J/TH | Efficiency | 1,727,272.7 J/TH |
| 50 dB | Noise Level | — |
| 25.0 kg | Weight | 5,750.0 kg |
| 10,577 BTU/hr | BTU Output | 3,241 BTU/hr |
| 50/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Scrypt | Algorithm | Scrypt |
| Elphapex | Manufacturer | BW |
Profitability Comparison
Elphapex DG1S
BW L21
Based on BTC price of $78,165 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Elphapex DG1S, which leads on 4 of 5 weighted factors (efficiency, hashrate, home mining score, noise level). Where it pulls away hardest is 1718% more hashrate (0.0 vs 0.0 TH/s). That said, the BW L21 isn't beaten everywhere — it still wins power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Elphapex DG1S and BW L21 actually differ, with the gap quantified:
- Elphapex DG1S 1718% more hashrate (0.0 vs 0.0 TH/s)
- BW L21 69% better power draw (3,100 vs 950 W)
- Elphapex DG1S 82% better efficiency (310,000 vs 1,727,273 J/TH)
- Elphapex DG1S 100% better weight (25.0 vs 5,750.0 kg)
- Elphapex DG1S 226% more heat output (10,577 vs 3,241 BTU/hr)
- Elphapex DG1S 61% more home mining score (50.0 vs 31.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Elphapex DG1S | Metric | BW L21 |
|---|---|---|
| $2,800 | Upfront cost (MSRP) | — |
| -$7.44 | Daily net profit | -$2.28 |
| -$5,515 | Net after 1 year | -$832 |
| -$8,231 | Net after 2 years | -$1,664 |
| -$10,946 | 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 DG1SScore: 50/100. 50 dB noise level.
Best for Efficiency
Elphapex DG1S310,000.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Elphapex DG1S vs BW L21: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the BW L21 is more profitable at $-2.28/day compared to $-7.44/day for the Elphapex DG1S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Elphapex DG1S vs BW L21: which runs at a lower noise level?
The Elphapex DG1S is quieter at 50 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 DG1S or the BW L21?
The Elphapex DG1S scores 50/100 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.
What is the efficiency difference between Elphapex DG1S and BW L21?
The Elphapex DG1S runs at 310,000.0 J/TH while the BW L21 runs at 1,727,272.7 J/TH — a difference of 1,417,272.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 82% better efficiency (310,000 vs 1,727,273 J/TH).