Antminer L9

Hashrate 16,000.0 MH/s Power 3,360 W Efficiency 210,000.0 J/TH

Goldshell MINI DOGE III (650Mh)

Hashrate 650.0 MH/s Power 400 W Efficiency 615,384.6 J/TH

Antminer L9 vs Goldshell MINI DOGE III (650Mh)

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

Specifications Comparison

Antminer L9	Specification	Goldshell MINI DOGE III (650Mh)
16,000.0 MH/s	Hashrate	650.0 MH/s
3,360 W	Power Consumption	400 W
210,000.0 J/TH	Efficiency	615,384.6 J/TH
75 dB	Noise Level	—
14.8 kg	Weight	2.3 kg
11,464 BTU/hr	BTU Output	1,365 BTU/hr
36/100	Home Mining Score	34/100
—	Release Year	—
Scrypt	Algorithm	Scrypt
Bitmain	Manufacturer	Goldshell

Profitability Comparison

Electricity Rate:

$/kWh

Antminer L9

Daily Revenue 0.00000001 BTC $0.00

Daily Electricity -$8.06

Daily Profit -$8.06

Monthly -$241.90

Yearly -$2,943.15

Goldshell MINI DOGE III (650Mh)

Daily Revenue 0.00000000 BTC $0.00

Daily Electricity -$0.96

Daily Profit -$0.96

Monthly -$28.80

Yearly -$350.39

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

Verdict

Weighing six performance factors, the Antminer L9 comes out ahead — it takes 4 of 6 (efficiency, hashrate, home mining score, noise level). Its biggest concrete edge: 2362% more hashrate (0.0 vs 0.0 TH/s). The Goldshell MINI DOGE III (650Mh) holds the edge in power consumption and price-performance. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.

Winner: Antminer L9 — wins on 4 of 6 factors

Spec Deltas

Stripped to the numbers, this is how far apart the Antminer L9 and Goldshell MINI DOGE III (650Mh) sit on each measurable spec:

Antminer L9 2362% more hashrate (0.0 vs 0.0 TH/s)
Goldshell MINI DOGE III (650Mh) 88% better power draw (3,360 vs 400 W)
Antminer L9 66% better efficiency (210,000 vs 615,385 J/TH)
Goldshell MINI DOGE III (650Mh) 84% better weight (14.8 vs 2.3 kg)
Antminer L9 740% more heat output (11,464 vs 1,365 BTU/hr)
Antminer L9 6% more home mining score (36.0 vs 34.0)

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.

Antminer L9	Metric	Goldshell MINI DOGE III (650Mh)
$6,500	Upfront cost (MSRP)	$199
-$8.06	Daily net profit	-$0.96
-$9,443	Net after 1 year	-$549
-$12,386	Net after 2 years	-$900
-$15,329	Net after 3 years	-$1,250
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

Antminer L9

Score: 36/100. 75 dB noise level.

Best for Efficiency

Antminer L9

210,000.0 J/TH — lower electricity cost per terahash.

Frequently Asked Questions

Is the Antminer L9 or Goldshell MINI DOGE III (650Mh) more profitable?

At the current BTC price and a $0.10/kWh electricity rate, the Goldshell MINI DOGE III (650Mh) is more profitable at $-0.96/day compared to $-8.06/day for the Antminer L9. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.

Antminer L9 vs Goldshell MINI DOGE III (650Mh): which runs at a lower noise level?

The Antminer L9 is quieter at 75 dB compared to the Goldshell MINI DOGE III (650Mh) at 0 dB. For home mining, lower noise levels make a significant difference in livability.

For mining at home, should I pick the Antminer L9 or the Goldshell MINI DOGE III (650Mh)?

The Antminer L9 scores 36/100 on our Home Mining Score (vs 34/100 for the Goldshell MINI DOGE III (650Mh)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.

Antminer L9 vs Goldshell MINI DOGE III (650Mh): how much does the efficiency gap matter?

The Antminer L9 runs at 210,000.0 J/TH while the Goldshell MINI DOGE III (650Mh) runs at 615,384.6 J/TH — a difference of 405,384.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 66% better efficiency (210,000 vs 615,385 J/TH).

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