Skip to content

We're upgrading our operations to serve you better. Orders ship as usual from Laval, QC. Questions? Contact us

Bitcoin accepted at checkout  |  Ships from Laval, QC, Canada  |  Expert support since 2016

1325 Rue Bergar, Laval, QC [email protected] 1-855-753-9997 Mon-Fri: 8:30 - 18:00
BW L21

BW L21

Hashrate 550.0 MH/s Power 950 W Efficiency 1,727,272.7 J/TH
VS
Goldshell Mini DOGE III (500Mh)

Goldshell Mini DOGE III (500Mh)

Hashrate 500.0 MH/s Power 260 W Efficiency 520,000.0 J/TH

BW L21 vs Goldshell Mini DOGE III (500Mh)

Side-by-side specs, profitability, and home mining comparison.

Specifications Comparison

BW L21 Specification Goldshell Mini DOGE III (500Mh)
550.0 MH/s Hashrate 500.0 MH/s
950 W Power Consumption 260 W
1,727,272.7 J/TH Efficiency 520,000.0 J/TH
— Noise Level —
5,750.0 kg Weight 2.3 kg
3,241 BTU/hr BTU Output 887 BTU/hr
31/100 Home Mining Score 31/100
— Release Year —
Scrypt Algorithm Scrypt
BW Manufacturer Goldshell

Profitability Comparison

$/kWh

BW L21

Daily Revenue 0.00000000 BTC $0.00
Daily Electricity -$2.28
Daily Profit -$2.28
Monthly -$68.40
Yearly -$832.19

Goldshell Mini DOGE III (500Mh)

Daily Revenue 0.00000000 BTC $0.00
Daily Electricity -$0.62
Daily Profit -$0.62
Monthly -$18.72
Yearly -$227.75

Based on BTC price of $74,405 and current network difficulty as of Mar 16, 2026. Actual results vary.

Verdict

Based on specs, the Goldshell Mini DOGE III (500Mh) offers 70% better efficiency at 520,000.0 J/TH compared to the BW L21 at 1,727,272.7 J/TH. This directly impacts daily operating costs and long-term profitability.

Best For...

Best for Profitability

Tie

Both miners produce similar daily profit.

Best for Home Mining

Tie

Both miners are equally suitable for home use.

Best for Efficiency

Goldshell Mini DOGE III (500Mh)

520,000.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the BW L21 or Goldshell Mini DOGE III (500Mh) more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Goldshell Mini DOGE III (500Mh) is more profitable at $-0.62/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.

Which is quieter, the BW L21 or Goldshell Mini DOGE III (500Mh)?

Both miners have similar noise levels. Check the specs table above for exact decibel readings.

Which is better for home mining, the BW L21 or Goldshell Mini DOGE III (500Mh)?

Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.

What is the efficiency difference between BW L21 and Goldshell Mini DOGE III (500Mh)?

The BW L21 runs at 1,727,272.7 J/TH while the Goldshell Mini DOGE III (500Mh) runs at 520,000.0 J/TH — a difference of 1,207,272.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.

Compare BW L21 with...

Compare Goldshell Mini DOGE III (500Mh) with...

Shop Miners Browse our full catalog of ASIC miners, Bitaxe, and accessories. ASIC Repair 2,500+ miners repaired. Expert diagnostics and board-level repair. Miner Database Compare 500+ miners with live profitability data.