Bitmain Antminer K5 (1130Gh) vs iBeLink N3 mini (1.3Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer K5 (1130Gh) | Specification | iBeLink N3 mini (1.3Th) |
|---|---|---|
| 1.1 TH/s | Hashrate | 1.3 TH/s |
| 1,580 W | Power Consumption | 185 W |
| 1,398.2 J/TH | Efficiency | 142.3 J/TH |
| — | Noise Level | — |
| 6,100.0 kg | Weight | 2.2 kg |
| 5,391 BTU/hr | BTU Output | 631 BTU/hr |
| 28/100 | Home Mining Score | 33/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | Eaglesong |
| Bitmain | Manufacturer | iBeLink |
Profitability Comparison
Bitmain Antminer K5 (1130Gh)
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
Weighing six performance factors, the iBeLink N3 mini (1.3Th) comes out ahead — it takes 4 of 4 (efficiency, hashrate, power consumption, home mining score). The standout gap is 90% better efficiency (1,398 vs 142 J/TH) in the iBeLink N3 mini (1.3Th)'s favour. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer K5 (1130Gh) and iBeLink N3 mini (1.3Th) sit on each measurable spec:
- iBeLink N3 mini (1.3Th) 15% more hashrate (1.1 vs 1.3 TH/s)
- iBeLink N3 mini (1.3Th) 88% better power draw (1,580 vs 185 W)
- iBeLink N3 mini (1.3Th) 90% better efficiency (1,398 vs 142 J/TH)
- iBeLink N3 mini (1.3Th) 100% better weight (6,100.0 vs 2.2 kg)
- Bitmain Antminer K5 (1130Gh) 754% more heat output (5,391 vs 631 BTU/hr)
- iBeLink N3 mini (1.3Th) 18% more home mining score (28.0 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 K5 (1130Gh) | Metric | iBeLink N3 mini (1.3Th) |
|---|---|---|
| $925 | Upfront cost (MSRP) | — |
| -$3.75 | Daily net profit | -$0.40 |
| -$2,294 | Net after 1 year | -$145 |
| -$3,663 | Net after 2 years | -$290 |
| -$5,033 | 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
iBeLink N3 mini (1.3Th)142.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer K5 (1130Gh) vs iBeLink N3 mini (1.3Th): which one earns more per day?
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 $-3.75/day for the Bitmain Antminer K5 (1130Gh). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer K5 (1130Gh) 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.
For mining at home, should I pick the Bitmain Antminer K5 (1130Gh) or the iBeLink N3 mini (1.3Th)?
The iBeLink N3 mini (1.3Th) scores 33/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer K5 (1130Gh)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer K5 (1130Gh) vs iBeLink N3 mini (1.3Th): how much does the efficiency gap matter?
The Bitmain Antminer K5 (1130Gh) runs at 1,398.2 J/TH while the iBeLink N3 mini (1.3Th) runs at 142.3 J/TH — a difference of 1,255.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 90% better efficiency (1,398 vs 142 J/TH).