Elphapex DG 1 (11GH) vs BW L21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Elphapex DG 1 (11GH) | Specification | BW L21 |
|---|---|---|
| 11.0 GH/s | Hashrate | 550.0 MH/s |
| 3,420 W | Power Consumption | 950 W |
| 310,909.1 J/TH | Efficiency | 1,727,272.7 J/TH |
| 75 dB | Noise Level | — |
| 16.1 kg | Weight | 5,750.0 kg |
| 11,669 BTU/hr | BTU Output | 3,241 BTU/hr |
| 36/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Scrypt | Algorithm | Scrypt |
| Elphapex | Manufacturer | BW |
Profitability Comparison
Elphapex DG 1 (11GH)
BW L21
Based on BTC price of $78,165 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Elphapex DG 1 (11GH) comes out ahead — it takes 4 of 5 (efficiency, hashrate, home mining score, noise level). The standout gap is 1900% more hashrate (0.0 vs 0.0 TH/s) in the Elphapex DG 1 (11GH)'s favour. The BW L21 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 Elphapex DG 1 (11GH) and BW L21 sit on each measurable spec:
- Elphapex DG 1 (11GH) 1900% more hashrate (0.0 vs 0.0 TH/s)
- BW L21 72% better power draw (3,420 vs 950 W)
- Elphapex DG 1 (11GH) 82% better efficiency (310,909 vs 1,727,273 J/TH)
- Elphapex DG 1 (11GH) 100% better weight (16.1 vs 5,750.0 kg)
- Elphapex DG 1 (11GH) 260% more heat output (11,669 vs 3,241 BTU/hr)
- Elphapex DG 1 (11GH) 16% more home mining score (36.0 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 DG 1 (11GH) | Metric | BW L21 |
|---|---|---|
| $950 | Upfront cost (MSRP) | — |
| -$8.21 | Daily net profit | -$2.28 |
| -$3,946 | Net after 1 year | -$832 |
| -$6,942 | Net after 2 years | -$1,664 |
| -$9,937 | 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 DG 1 (11GH)Score: 36/100. 75 dB noise level.
Best for Efficiency
Elphapex DG 1 (11GH)310,909.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Elphapex DG 1 (11GH) 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 $-8.21/day for the Elphapex DG 1 (11GH). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Elphapex DG 1 (11GH) vs BW L21: which runs at a lower noise level?
The Elphapex DG 1 (11GH) is quieter at 75 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 DG 1 (11GH) or the BW L21?
The Elphapex DG 1 (11GH) scores 36/100 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.
How far apart are the Elphapex DG 1 (11GH) and BW L21 on J/TH?
The Elphapex DG 1 (11GH) runs at 310,909.1 J/TH while the BW L21 runs at 1,727,272.7 J/TH — a difference of 1,416,363.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 82% better efficiency (310,909 vs 1,727,273 J/TH).