Innosilicon A4+ LTCMaster

Hashrate 620.0 MH/s Power 750 W Efficiency 1,209,677.4 J/TH

Elphapex DG2 Mini

Hashrate 2.4 GH/s Power 530 W Efficiency 220,833.3 J/TH

Innosilicon A4+ LTCMaster vs Elphapex DG2 Mini

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

Specifications Comparison

Innosilicon A4+ LTCMaster	Specification	Elphapex DG2 Mini
620.0 MH/s	Hashrate	2.4 GH/s
750 W	Power Consumption	530 W
1,209,677.4 J/TH	Efficiency	220,833.3 J/TH
—	Noise Level	45 dB
3,830.0 kg	Weight	4.5 kg
2,559 BTU/hr	BTU Output	1,808 BTU/hr
30/100	Home Mining Score	58/100
—	Release Year	—
Scrypt	Algorithm	Scrypt
Innosilicon	Manufacturer	Elphapex

Profitability Comparison

Electricity Rate:

$/kWh

Innosilicon A4+ LTCMaster

Daily Revenue 0.00000000 BTC $0.00

Daily Electricity -$1.80

Daily Profit -$1.80

Monthly -$54.00

Yearly -$656.99

Elphapex DG2 Mini

Daily Revenue 0.00000000 BTC $0.00

Daily Electricity -$1.27

Daily Profit -$1.27

Monthly -$38.16

Yearly -$464.25

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 DG2 Mini comes out ahead — it takes 6 of 6 (efficiency, hashrate, power consumption, home mining score, noise level, price-performance). Where it pulls away hardest is 82% better efficiency (1,209,677 vs 220,833 J/TH). The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.

Winner: Elphapex DG2 Mini — wins on 6 of 6 factors

Spec Deltas

The Innosilicon A4+ LTCMaster and Elphapex DG2 Mini diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":

Elphapex DG2 Mini 287% more hashrate (0.0 vs 0.0 TH/s)
Elphapex DG2 Mini 29% better power draw (750 vs 530 W)
Elphapex DG2 Mini 82% better efficiency (1,209,677 vs 220,833 J/TH)
Elphapex DG2 Mini 100% better weight (3,830.0 vs 4.5 kg)
Innosilicon A4+ LTCMaster 42% more heat output (2,559 vs 1,808 BTU/hr)
Elphapex DG2 Mini 93% more home mining score (30.0 vs 58.0)

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.

Innosilicon A4+ LTCMaster	Metric	Elphapex DG2 Mini
$3,500	Upfront cost (MSRP)	$999
-$1.80	Daily net profit	-$1.27
-$4,157	Net after 1 year	-$1,463
-$4,814	Net after 2 years	-$1,927
-$5,471	Net after 3 years	-$2,392
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

Elphapex DG2 Mini

Score: 58/100. 45 dB noise level.

Best for Efficiency

Elphapex DG2 Mini

220,833.3 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Innosilicon A4+ LTCMaster or Elphapex DG2 Mini more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Elphapex DG2 Mini is more profitable at $-1.27/day compared to $-1.80/day for the Innosilicon A4+ LTCMaster. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Which is quieter, the Innosilicon A4+ LTCMaster or Elphapex DG2 Mini?

The Elphapex DG2 Mini is quieter at 45 dB compared to the Innosilicon A4+ LTCMaster at 0 dB. For home mining, lower noise levels make a significant difference in livability.

Innosilicon A4+ LTCMaster vs Elphapex DG2 Mini: which fits a residential setup better?

The Elphapex DG2 Mini scores 58/100 on our Home Mining Score (vs 30/100 for the Innosilicon A4+ LTCMaster). 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 Innosilicon A4+ LTCMaster and Elphapex DG2 Mini?

The Innosilicon A4+ LTCMaster runs at 1,209,677.4 J/TH while the Elphapex DG2 Mini runs at 220,833.3 J/TH — a difference of 988,844.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 82% better efficiency (1,209,677 vs 220,833 J/TH).

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