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

BW L21

BW L21

Hashrate 550.0 MH/s Power 950 W Efficiency 1,727,272.7 J/TH
VS
Goldshell Mini Doge II

Goldshell Mini Doge II

Hashrate 420.0 MH/s Power 400 W Efficiency 952,381.0 J/TH

BW L21 vs Goldshell Mini Doge II

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

Specifications Comparison

BW L21 Specification Goldshell Mini Doge II
550.0 MH/s Hashrate 420.0 MH/s
950 W Power Consumption 400 W
1,727,272.7 J/TH Efficiency 952,381.0 J/TH
Noise Level 35 dB
5,750.0 kg Weight 2.3 kg
3,241 BTU/hr BTU Output 1,365 BTU/hr
31/100 Home Mining Score 69/100
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 II

Daily Revenue 0.00000000 BTC $0.00
Daily Electricity -$0.96
Daily Profit -$0.96
Monthly -$28.80
Yearly -$350.40

Based on BTC price of $74,273 and current network difficulty as of Mar 16, 2026. Actual results vary.

Verdict

Based on specs, the Goldshell Mini Doge II offers 45% better efficiency at 952,381.0 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

Goldshell Mini Doge II

Score: 69/100. 35 dB noise level.

Best for Efficiency

Goldshell Mini Doge II

952,381.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the BW L21 or Goldshell Mini Doge II more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Goldshell Mini Doge II is more profitable at $-0.96/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 II?

The Goldshell Mini Doge II is quieter at 35 dB compared to the BW L21 at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Which is better for home mining, the BW L21 or Goldshell Mini Doge II?

The Goldshell Mini Doge II scores 69/100 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 BW L21 and Goldshell Mini Doge II?

The BW L21 runs at 1,727,272.7 J/TH while the Goldshell Mini Doge II runs at 952,381.0 J/TH — a difference of 774,891.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.