Bitmain Antminer K7 (63.5Th) vs iBeLink N3 mini (1.3Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer K7 (63.5Th) | Specification | iBeLink N3 mini (1.3Th) |
|---|---|---|
| 63.5 TH/s | Hashrate | 1.3 TH/s |
| 3,080 W | Power Consumption | 185 W |
| 48.5 J/TH | Efficiency | 142.3 J/TH |
| — | Noise Level | — |
| — | Weight | 2.2 kg |
| 10,509 BTU/hr | BTU Output | 631 BTU/hr |
| 22/100 | Home Mining Score | 33/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | Eaglesong |
| Bitmain | Manufacturer | iBeLink |
Profitability Comparison
Bitmain Antminer K7 (63.5Th)
iBeLink N3 mini (1.3Th)
Based on BTC price of $78,209 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer K7 (63.5Th), which leads on 2 of 4 weighted factors (efficiency, hashrate). The standout gap is 4785% more hashrate (63.5 vs 1.3 TH/s) in the Bitmain Antminer K7 (63.5Th)'s favour. That said, the iBeLink N3 mini (1.3Th) isn't beaten everywhere — it still wins power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer K7 (63.5Th) and iBeLink N3 mini (1.3Th) actually differ, with the gap quantified:
- Bitmain Antminer K7 (63.5Th) 4785% more hashrate (63.5 vs 1.3 TH/s)
- iBeLink N3 mini (1.3Th) 94% better power draw (3,080 vs 185 W)
- Bitmain Antminer K7 (63.5Th) 66% better efficiency (48.5 vs 142.3 J/TH)
- Bitmain Antminer K7 (63.5Th) 1565% more heat output (10,509 vs 631 BTU/hr)
- iBeLink N3 mini (1.3Th) 50% more home mining score (22.0 vs 33.0)
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.
| Bitmain Antminer K7 (63.5Th) | Metric | iBeLink N3 mini (1.3Th) |
|---|---|---|
| $1,860 | Upfront cost (MSRP) | — |
| -$5.11 | Daily net profit | -$0.40 |
| -$3,724 | Net after 1 year | -$145 |
| -$5,588 | Net after 2 years | -$290 |
| -$7,452 | Net after 3 years | -$435 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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 (1.3Th)Score: 33/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer K7 (63.5Th)48.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer K7 (63.5Th) or iBeLink N3 mini (1.3Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the iBeLink N3 mini (1.3Th) is more profitable at $-0.40/day compared to $-5.11/day for the Bitmain Antminer K7 (63.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer K7 (63.5Th) vs iBeLink N3 mini (1.3Th): which runs at a lower noise level?
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 (63.5Th) or iBeLink N3 mini (1.3Th)?
The iBeLink N3 mini (1.3Th) scores 33/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer K7 (63.5Th)). 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 (63.5Th) and iBeLink N3 mini (1.3Th)?
The Bitmain Antminer K7 (63.5Th) runs at 48.5 J/TH while the iBeLink N3 mini (1.3Th) runs at 142.3 J/TH — a difference of 93.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 66% better efficiency (48.5 vs 142.3 J/TH).