Bitmain Antminer S9j (14.5Th) vs Bitaxe Hex
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9j (14.5Th) | Specification | Bitaxe Hex |
|---|---|---|
| 14.5 TH/s | Hashrate | 3.0 TH/s |
| 1,350 W | Power Consumption | 90 W |
| 93.1 J/TH | Efficiency | 30.0 J/TH |
| — | Noise Level | 45 dB |
| 4,200.0 kg | Weight | 0.5 kg |
| 4,606 BTU/hr | BTU Output | 307 BTU/hr |
| 31/100 | Home Mining Score | 64/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S9j (14.5Th)
Bitaxe Hex
Based on BTC price of $70,303 and current network difficulty as of Mar 24, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitaxe Hex wins on 4 of 6 factors (efficiency, power consumption, home mining score, noise level). The Bitmain Antminer S9j (14.5Th) holds the edge in hashrate and price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitaxe HexScore: 64/100. 45 dB noise level.
Best for Efficiency
Bitaxe Hex30.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9j (14.5Th) or Bitaxe Hex more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitaxe Hex is more profitable at $-0.12/day compared to $-2.80/day for the Bitmain Antminer S9j (14.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S9j (14.5Th) or Bitaxe Hex?
The Bitaxe Hex is quieter at 45 dB compared to the Bitmain Antminer S9j (14.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S9j (14.5Th) or Bitaxe Hex?
The Bitaxe Hex scores 64/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9j (14.5Th)). 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 S9j (14.5Th) and Bitaxe Hex?
The Bitmain Antminer S9j (14.5Th) runs at 93.1 J/TH while the Bitaxe Hex runs at 30.0 J/TH — a difference of 63.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.