Bitmain Antminer KA3 (166Th) vs iBeLink BM-K1
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KA3 (166Th) | Specification | iBeLink BM-K1 |
|---|---|---|
| 166.0 TH/s | Hashrate | 5.3 TH/s |
| 3,154 W | Power Consumption | 835 W |
| 19.0 J/TH | Efficiency | 157.6 J/TH |
| — | Noise Level | — |
| 16,100.0 kg | Weight | 6,600.0 kg |
| 10,761 BTU/hr | BTU Output | 2,849 BTU/hr |
| 22/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Blake2s |
| Bitmain | Manufacturer | iBeLink |
Profitability Comparison
Bitmain Antminer KA3 (166Th)
iBeLink BM-K1
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 3 of 5 factors (efficiency, hashrate, price-performance). Its biggest concrete edge: 3032% more hashrate (166.0 vs 5.3 TH/s). The iBeLink BM-K1 holds the edge in 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 KA3 (166Th) and iBeLink BM-K1 actually differ, with the gap quantified:
- Bitmain Antminer KA3 (166Th) 3032% more hashrate (166.0 vs 5.3 TH/s)
- iBeLink BM-K1 74% better power draw (3,154 vs 835 W)
- Bitmain Antminer KA3 (166Th) 88% better efficiency (19.0 vs 157.6 J/TH)
- iBeLink BM-K1 59% better weight (16,100 vs 6,600 kg)
- Bitmain Antminer KA3 (166Th) 278% more heat output (10,761 vs 2,849 BTU/hr)
- iBeLink BM-K1 27% more home mining score (22.0 vs 28.0)
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 KA3 (166Th) | Metric | iBeLink BM-K1 |
|---|---|---|
| $1,399 | Upfront cost (MSRP) | $9,855 |
| -$1.60 | Daily net profit | -$1.81 |
| -$1,981 | Net after 1 year | -$10,517 |
| -$2,564 | Net after 2 years | -$11,179 |
| -$3,146 | Net after 3 years | -$11,840 |
| 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 BM-K1Score: 28/100. 0 dB noise level.
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-K1 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 $-1.81/day for the iBeLink BM-K1. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer KA3 (166Th) or iBeLink BM-K1?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer KA3 (166Th) vs iBeLink BM-K1: which fits a residential setup better?
The iBeLink BM-K1 scores 28/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer KA3 (166Th)). 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 KA3 (166Th) and iBeLink BM-K1?
The Bitmain Antminer KA3 (166Th) runs at 19.0 J/TH while the iBeLink BM-K1 runs at 157.6 J/TH — a difference of 138.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 88% better efficiency (19.0 vs 157.6 J/TH).