Bitmain Antminer K7 (58Th) vs iBeLink N3 mini (1.8Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer K7 (58Th) | Specification | iBeLink N3 mini (1.8Th) |
|---|---|---|
| 58.0 TH/s | Taux de hachage | 1.8 TH/s |
| 2,813 W | Consommation électrique | 295 W |
| 48.5 J/TH | Efficiency | 163.9 J/TH |
| — | Niveau de bruit | — |
| 16.1 kg | Weight | 2.2 kg |
| 9,598 BTU/hr | BTU Output | 1,007 BTU/hr |
| 22/100 | Home Mining Score | 34/100 |
| — | Release Year | — |
| Eaglesong | Algorithme | Eaglesong |
| Bitmain | Manufacturer | iBeLink |
Profitability Comparison
Bitmain Antminer K7 (58Th)
iBeLink N3 mini (1.8Th)
Based on BTC price of $78,223 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer K7 (58Th), which leads on 3 of 5 weighted factors (efficacité, hashrate, rapport qualité-prix). Where it pulls away hardest is 3122% more hashrate (58.0 vs 1.8 TH/s). The iBeLink N3 mini (1.8Th) claws back ground on consommation électrique and score de minage domestique. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer K7 (58Th) and iBeLink N3 mini (1.8Th) actually differ, with the gap quantified:
- Bitmain Antminer K7 (58Th) 3122% more hashrate (58.0 vs 1.8 TH/s)
- iBeLink N3 mini (1.8Th) 90% better power draw (2,813 vs 295 W)
- Bitmain Antminer K7 (58Th) 70% better efficacité (48.5 vs 163.9 J/TH)
- iBeLink N3 mini (1.8Th) 87% better weight (16.1 vs 2.2 kg)
- Bitmain Antminer K7 (58Th) 854% more heat output (9,598 vs 1,007 BTU/hr)
- iBeLink N3 mini (1.8Th) 55% more score de minage domestique (22.0 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.
| Bitmain Antminer K7 (58Th) | Metric | iBeLink N3 mini (1.8Th) |
|---|---|---|
| $1,860 | Upfront cost (MSRP) | $238 |
| -$4.66 | Daily net profit | -$0.64 |
| -$3,562 | Net after 1 year | -$473 |
| -$5,264 | Net after 2 years | -$708 |
| -$6,966 | 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
iBeLink N3 mini (1.8Th)Score: 34/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer K7 (58Th)48.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer K7 (58Th) or the iBeLink N3 mini (1.8Th)?
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 $-4.66/day for the Bitmain Antminer K7 (58Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer K7 (58Th) or iBeLink N3 mini (1.8Th)?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer K7 (58Th) or iBeLink N3 mini (1.8Th)?
The iBeLink N3 mini (1.8Th) scores 34/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer K7 (58Th)). 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 Bitmain Antminer K7 (58Th) and iBeLink N3 mini (1.8Th)?
The Bitmain Antminer K7 (58Th) 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).