iBeLink BM-K3 vs iBeLink K3 mini (5TH)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| iBeLink BM-K3 | Specification | iBeLink K3 mini (5TH) |
|---|---|---|
| 70.0 TH/s | Hashrate | 5.0 TH/s |
| 3,300 W | Power Consumption | 290 W |
| 47.1 J/TH | Efficiency | 58.0 J/TH |
| — | Noise Level | — |
| — | Weight | 2.2 kg |
| 11,260 BTU/hr | BTU Output | 990 BTU/hr |
| 22/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| Blake2s | Algorithm | Blake2s |
| iBeLink | Manufacturer | iBeLink |
Profitability Comparison
iBeLink BM-K3
iBeLink K3 mini (5TH)
Based on BTC price of $78,178 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the iBeLink BM-K3 comes out ahead — it takes 3 of 5 (efficiency, hashrate, price-performance). The standout gap is 1300% more hashrate (70.0 vs 5.0 TH/s) in the iBeLink BM-K3's favour. The iBeLink K3 mini (5TH) holds the edge in power consumption and home mining score. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the iBeLink BM-K3 and iBeLink K3 mini (5TH) actually differ, with the gap quantified:
- iBeLink BM-K3 1300% more hashrate (70.0 vs 5.0 TH/s)
- iBeLink K3 mini (5TH) 91% better power draw (3,300 vs 290 W)
- iBeLink BM-K3 19% better efficiency (47.1 vs 58.0 J/TH)
- iBeLink BM-K3 1038% more heat output (11,260 vs 990 BTU/hr)
- iBeLink K3 mini (5TH) 41% more home mining score (22.0 vs 31.0)
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.
| iBeLink BM-K3 | Metric | iBeLink K3 mini (5TH) |
|---|---|---|
| $820 | Upfront cost (MSRP) | $288 |
| -$5.40 | Daily net profit | -$0.52 |
| -$2,792 | Net after 1 year | -$476 |
| -$4,763 | Net after 2 years | -$665 |
| -$6,735 | Net after 3 years | -$853 |
| 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 K3 mini (5TH)Score: 31/100. 0 dB noise level.
Best for Efficiency
iBeLink BM-K347.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the iBeLink BM-K3 or iBeLink K3 mini (5TH) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the iBeLink K3 mini (5TH) is more profitable at $-0.52/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.
Is the iBeLink BM-K3 or the iBeLink K3 mini (5TH) better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
iBeLink BM-K3 vs iBeLink K3 mini (5TH): which fits a residential setup better?
The iBeLink K3 mini (5TH) scores 31/100 on our Home Mining Score (vs 22/100 for the iBeLink BM-K3). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the iBeLink BM-K3 and iBeLink K3 mini (5TH) on J/TH?
The iBeLink BM-K3 runs at 47.1 J/TH while the iBeLink K3 mini (5TH) runs at 58.0 J/TH — a difference of 10.9 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 19% better efficiency (47.1 vs 58.0 J/TH).