Elphapex DG 2

Hashrate 20.0 GH/s Power 3,800 W Efficiency 190,000.0 J/TH

Goldshell Mini DOGE III (500Mh)

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

Elphapex DG 2 vs Goldshell Mini DOGE III (500Mh)

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

Specifications Comparison

Elphapex DG 2	Specification	Goldshell Mini DOGE III (500Mh)
20.0 GH/s	Hashrate	500.0 MH/s
3,800 W	Power Consumption	260 W
190,000.0 J/TH	Efficiency	520,000.0 J/TH
75 dB	Noise Level	—
18.3 kg	Weight	2.3 kg
12,966 BTU/hr	BTU Output	887 BTU/hr
30/100	Home Mining Score	31/100
—	Release Year	—
Scrypt	Algorithm	Scrypt
Elphapex	Manufacturer	Goldshell

Profitability Comparison

Electricity Rate:

$/kWh

Elphapex DG 2

Daily Revenue 0.00000001 BTC $0.00

Daily Electricity -$9.12

Daily Profit -$9.12

Monthly -$273.58

Yearly -$3,328.54

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 $78,200 and current network difficulty as of May 16, 2026. Actual results vary.

Verdict

Based on our multi-factor analysis, the Elphapex DG 2 wins on 4 of 6 factors (efficiency, hashrate, noise level, price-performance). Where it pulls away hardest is 3900% more hashrate (0.0 vs 0.0 TH/s). That said, the Goldshell Mini DOGE III (500Mh) isn't beaten everywhere — it still wins power consumption and home mining score. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.

Winner: Elphapex DG 2 — wins on 4 of 6 factors

Spec Deltas

Stripped to the numbers, this is how far apart the Elphapex DG 2 and Goldshell Mini DOGE III (500Mh) sit on each measurable spec:

Elphapex DG 2 3900% more hashrate (0.0 vs 0.0 TH/s)
Goldshell Mini DOGE III (500Mh) 93% better power draw (3,800 vs 260 W)
Elphapex DG 2 63% better efficiency (190,000 vs 520,000 J/TH)
Goldshell Mini DOGE III (500Mh) 87% better weight (18.3 vs 2.3 kg)
Elphapex DG 2 1362% more heat output (12,966 vs 887 BTU/hr)
Goldshell Mini DOGE III (500Mh) 3% more home mining score (30.0 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 2	Metric	Goldshell Mini DOGE III (500Mh)
$4,680	Upfront cost (MSRP)	$749
-$9.12	Daily net profit	-$0.62
-$8,009	Net after 1 year	-$977
-$11,337	Net after 2 years	-$1,205
-$14,666	Net after 3 years	-$1,432
Does not pay back at current rates (negative daily profit)	Payback period	Does not pay back at current rates (negative daily profit)

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

Tie

Both miners produce similar daily profit.

Best for Home Mining

Goldshell Mini DOGE III (500Mh)

Score: 31/100. 0 dB noise level.

Best for Efficiency

Elphapex DG 2

190,000.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Which makes more money, the Elphapex DG 2 or the Goldshell Mini DOGE III (500Mh)?

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 $-9.12/day for the Elphapex DG 2. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Elphapex DG 2 or Goldshell Mini DOGE III (500Mh)?

The Elphapex DG 2 is quieter at 75 dB compared to the Goldshell Mini DOGE III (500Mh) 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 2 or the Goldshell Mini DOGE III (500Mh)?

The Goldshell Mini DOGE III (500Mh) scores 31/100 on our Home Mining Score (vs 30/100 for the Elphapex DG 2). 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 DG 2 and Goldshell Mini DOGE III (500Mh)?

The Elphapex DG 2 runs at 190,000.0 J/TH while the Goldshell Mini DOGE III (500Mh) runs at 520,000.0 J/TH — a difference of 330,000.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 63% better efficiency (190,000 vs 520,000 J/TH).

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