Bitmain Antminer K7 (63.5Th) vs iBeLink BM-N3 Max
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer K7 (63.5Th) | Specification | iBeLink BM-N3 Max |
|---|---|---|
| 63.5 TH/s | Hashrate | 30.0 TH/s |
| 3,080 W | Power Consumption | 3,300 W |
| 48.5 J/TH | Efficiency | 110.0 J/TH |
| — | Noise Level | 75 dB |
| — | Weight | 6.6 kg |
| 10,509 BTU/hr | BTU Output | 11,260 BTU/hr |
| 22/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| Eaglesong | Algorithm | Eaglesong |
| Bitmain | Manufacturer | iBeLink |
Profitability Comparison
Bitmain Antminer K7 (63.5Th)
iBeLink BM-N3 Max
Based on BTC price of $78,257 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer K7 (63.5Th) comes out ahead — it takes 3 of 5 (efficiency, hashrate, power consumption). Where it pulls away hardest is 56% better efficiency (48.5 vs 110.0 J/TH). The iBeLink BM-N3 Max holds the edge in home mining score and noise level. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Bitmain Antminer K7 (63.5Th) and iBeLink BM-N3 Max actually differ, with the gap quantified:
- Bitmain Antminer K7 (63.5Th) 112% more hashrate (63.5 vs 30.0 TH/s)
- Bitmain Antminer K7 (63.5Th) 7% better power draw (3,080 vs 3,300 W)
- Bitmain Antminer K7 (63.5Th) 56% better efficiency (48.5 vs 110.0 J/TH)
- iBeLink BM-N3 Max 7% more heat output (10,509 vs 11,260 BTU/hr)
- iBeLink BM-N3 Max 64% more home mining score (22.0 vs 36.0)
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.
| Bitmain Antminer K7 (63.5Th) | Metric | iBeLink BM-N3 Max |
|---|---|---|
| $1,860 | Upfront cost (MSRP) | — |
| -$5.11 | Daily net profit | -$6.84 |
| -$3,723 | Net after 1 year | -$2,496 |
| -$5,587 | Net after 2 years | -$4,993 |
| -$7,450 | Net after 3 years | -$7,489 |
| 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 BM-N3 MaxScore: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer K7 (63.5Th)48.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer K7 (63.5Th) vs iBeLink BM-N3 Max: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer K7 (63.5Th) is more profitable at $-5.11/day compared to $-6.84/day for the iBeLink BM-N3 Max. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer K7 (63.5Th) or the iBeLink BM-N3 Max better for noise-sensitive spaces?
The iBeLink BM-N3 Max is quieter at 75 dB compared to the Bitmain Antminer K7 (63.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer K7 (63.5Th) or iBeLink BM-N3 Max?
The iBeLink BM-N3 Max scores 36/100 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.
Bitmain Antminer K7 (63.5Th) vs iBeLink BM-N3 Max: how much does the efficiency gap matter?
The Bitmain Antminer K7 (63.5Th) runs at 48.5 J/TH while the iBeLink BM-N3 Max runs at 110.0 J/TH — a difference of 61.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 56% better efficiency (48.5 vs 110.0 J/TH).