Bitmain Antminer B3 (780Hz) vs Antminer E9 Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer B3 (780Hz) | Specification | Antminer E9 Pro |
|---|---|---|
| 780.0 H/s | Taux de hachage | 3,680.0 MH/s |
| 360 W | Consommation électrique | 2,200 W |
| 0.5 J/TH | Efficiency | 597,826.1 J/TH |
| — | Niveau de bruit | 75 dB |
| — | Weight | 14.2 kg |
| 1,228 BTU/hr | BTU Output | 7,506 BTU/hr |
| 34/100 | Home Mining Score | 40/100 |
| — | Release Year | — |
| Tensority | Algorithme | EtHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer B3 (780Hz)
Antminer E9 Pro
Based on BTC price of $63,873 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer B3 (780Hz), which leads on 3 of 5 weighted factors (efficacité, hashrate, consommation électrique). The standout gap is 100% better efficacité (0.5 vs 597,826.1 J/TH) in the Bitmain Antminer B3 (780Hz)'s favour. The Antminer E9 Pro claws back ground on score de minage domestique and niveau sonore. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
The Bitmain Antminer B3 (780Hz) and Antminer E9 Pro diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer B3 (780Hz) 21195552% more hashrate (780.0 vs 0.0 TH/s)
- Bitmain Antminer B3 (780Hz) 84% better power draw (360 vs 2,200 W)
- Bitmain Antminer B3 (780Hz) 100% better efficacité (0.5 vs 597,826.1 J/TH)
- Antminer E9 Pro 511% more heat output (1,228 vs 7,506 BTU/hr)
- Antminer E9 Pro 18% more score de minage domestique (34.0 vs 40.0)
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 B3 (780Hz) | Metric | Antminer E9 Pro |
|---|---|---|
| — | Upfront cost (MSRP) | $3,000 |
| $21.68 | Daily net profit | -$5.28 |
| +$7,911 | Net after 1 year | -$4,927 |
| +$15,823 | Net after 2 years | -$6,854 |
| +$23,734 | Net after 3 years | -$8,781 |
| — | 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
Bitmain Antminer B3 (780Hz)$26.96/day higher profit at current rates.
Best for Home Mining
Antminer E9 ProScore: 40/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer B3 (780Hz)0.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer B3 (780Hz) or the Antminer E9 Pro?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer B3 (780Hz) is more profitable at $21.68/day compared to $-5.28/day for the Antminer E9 Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer B3 (780Hz) or the Antminer E9 Pro better for noise-sensitive spaces?
The Antminer E9 Pro is quieter at 75 dB compared to the Bitmain Antminer B3 (780Hz) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer B3 (780Hz) or the Antminer E9 Pro?
The Antminer E9 Pro scores 40/100 on our Home Mining Score (vs 34/100 for the Bitmain Antminer B3 (780Hz)). 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 B3 (780Hz) and Antminer E9 Pro?
The Bitmain Antminer B3 (780Hz) runs at 0.5 J/TH while the Antminer E9 Pro runs at 597,826.1 J/TH — a difference of 597,825.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficacité (0.5 vs 597,826.1 J/TH).