Bitmain Antminer KA3 (166Th) vs iBeLink BM-K3
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KA3 (166Th) | Specification | iBeLink BM-K3 |
|---|---|---|
| 166.0 TH/s | Hashrate | 70.0 TH/s |
| 3,154 W | Power Consumption | 3,300 W |
| 19.0 J/TH | Efficiency | 47.1 J/TH |
| — | Noise Level | — |
| 16,100.0 kg | Weight | — |
| 10,761 BTU/hr | BTU Output | 11,260 BTU/hr |
| 22/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Blake2s |
| Bitmain | Manufacturer | iBeLink |
Profitability Comparison
Bitmain Antminer KA3 (166Th)
iBeLink BM-K3
Based on BTC price of $78,208 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer KA3 (166Th) wins on 4 of 4 factors (efficiency, hashrate, power consumption, price-performance). Where it pulls away hardest is 60% better efficiency (19.0 vs 47.1 J/TH). Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer KA3 (166Th) and iBeLink BM-K3 sit on each measurable spec:
- Bitmain Antminer KA3 (166Th) 137% more hashrate (166.0 vs 70.0 TH/s)
- Bitmain Antminer KA3 (166Th) 4% better power draw (3,154 vs 3,300 W)
- Bitmain Antminer KA3 (166Th) 60% better efficiency (19.0 vs 47.1 J/TH)
- iBeLink BM-K3 5% more heat output (10,761 vs 11,260 BTU/hr)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer KA3 (166Th) | Metric | iBeLink BM-K3 |
|---|---|---|
| $1,399 | Upfront cost (MSRP) | $820 |
| -$1.60 | Daily net profit | -$5.40 |
| -$1,981 | Net after 1 year | -$2,791 |
| -$2,564 | Net after 2 years | -$4,763 |
| -$3,146 | Net after 3 years | -$6,734 |
| 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain Antminer KA3 (166Th)19.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer KA3 (166Th) or iBeLink BM-K3 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer KA3 (166Th) is more profitable at $-1.60/day compared to $-5.40/day for the iBeLink BM-K3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer KA3 (166Th) vs iBeLink BM-K3: which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer KA3 (166Th) vs iBeLink BM-K3: which fits a residential setup better?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Bitmain Antminer KA3 (166Th) and iBeLink BM-K3?
The Bitmain Antminer KA3 (166Th) runs at 19.0 J/TH while the iBeLink BM-K3 runs at 47.1 J/TH — a difference of 28.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 60% better efficiency (19.0 vs 47.1 J/TH).