Antminer K7 vs iBeLink N3 mini (1.8Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer K7 | Specification | iBeLink N3 mini (1.8Th) |
|---|---|---|
| 63.5 TH/s | Taux de hachage | 1.8 TH/s |
| 3,080 W | Consommation électrique | 295 W |
| 48.5 J/TH | Efficiency | 163.9 J/TH |
| 75 dB | Niveau de bruit | — |
| 14.0 kg | Weight | 2.2 kg |
| 10,509 BTU/hr | BTU Output | 1,007 BTU/hr |
| 36/100 | Home Mining Score | 34/100 |
| — | Release Year | — |
| Eaglesong | Algorithme | Eaglesong |
| Bitmain | Manufacturer | iBeLink |
Profitability Comparison
Antminer K7
iBeLink N3 mini (1.8Th)
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 K7 comes out ahead — it takes 5 of 6 (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). The standout gap is 3428% more hashrate (63.5 vs 1.8 TH/s) in the Antminer K7's favour. That said, the iBeLink N3 mini (1.8Th) isn't beaten everywhere — it still wins consommation électrique. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Antminer K7 and iBeLink N3 mini (1.8Th) actually differ, with the gap quantified:
- Antminer K7 3428% more hashrate (63.5 vs 1.8 TH/s)
- iBeLink N3 mini (1.8Th) 90% better power draw (3,080 vs 295 W)
- Antminer K7 70% better efficacité (48.5 vs 163.9 J/TH)
- iBeLink N3 mini (1.8Th) 85% better weight (14.0 vs 2.2 kg)
- Antminer K7 944% more heat output (10,509 vs 1,007 BTU/hr)
- Antminer K7 6% more score de minage domestique (36.0 vs 34.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Antminer K7 | Metric | iBeLink N3 mini (1.8Th) |
|---|---|---|
| $3,500 | Upfront cost (MSRP) | $238 |
| -$5.11 | Daily net profit | -$0.64 |
| -$5,364 | Net after 1 year | -$473 |
| -$7,228 | Net after 2 years | -$708 |
| -$9,092 | Net after 3 years | -$942 |
| 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
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer K7Score: 36/100. 75 dB noise level.
Best for Efficiency
Antminer K748.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer K7 or iBeLink N3 mini (1.8Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the iBeLink N3 mini (1.8Th) is more profitable at $-0.64/day compared to $-5.11/day for the Antminer K7. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer K7 or iBeLink N3 mini (1.8Th)?
The Antminer K7 is quieter at 75 dB compared to the iBeLink N3 mini (1.8Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer K7 or iBeLink N3 mini (1.8Th)?
The Antminer K7 scores 36/100 on our Home Mining Score (vs 34/100 for the iBeLink N3 mini (1.8Th)). 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 Antminer K7 and iBeLink N3 mini (1.8Th)?
The Antminer K7 runs at 48.5 J/TH while the iBeLink N3 mini (1.8Th) runs at 163.9 J/TH — a difference of 115.4 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 70% better efficacité (48.5 vs 163.9 J/TH).