Antminer S19j Pro vs Bitmain Antminer V9 (4Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S19j Pro | Specification | Bitmain Antminer V9 (4Th) |
|---|---|---|
| 100.0 TH/s | Hashrate | 4.0 TH/s |
| 3,050 W | Power Consumption | 1,027 W |
| 30.5 J/TH | Efficiency | 256.8 J/TH |
| 75 dB | Noise Level | — |
| 13.2 kg | Weight | 3,050.0 kg |
| 10,407 BTU/hr | BTU Output | 3,504 BTU/hr |
| 84/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S19j Pro
Bitmain Antminer V9 (4Th)
Based on BTC price of $79,095 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Antminer S19j Pro edges it: 4 of 5 factors go its way (efficiency, hashrate, home mining score, noise level). The standout gap is 2400% more hashrate (100.0 vs 4.0 TH/s) in the Antminer S19j Pro's favour. That said, the Bitmain Antminer V9 (4Th) isn't beaten everywhere — it still wins power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Antminer S19j Pro and Bitmain Antminer V9 (4Th) actually differ, with the gap quantified:
- Antminer S19j Pro 2400% more hashrate (100.0 vs 4.0 TH/s)
- Bitmain Antminer V9 (4Th) 66% better power draw (3,050 vs 1,027 W)
- Antminer S19j Pro 88% better efficiency (30.5 vs 256.8 J/TH)
- Antminer S19j Pro 100% better weight (13.2 vs 3,050.0 kg)
- Antminer S19j Pro 197% more heat output (10,407 vs 3,504 BTU/hr)
- Antminer S19j Pro 171% more home mining score (84.0 vs 31.0)
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.
| Antminer S19j Pro | Metric | Bitmain Antminer V9 (4Th) |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | — |
| -$3.68 | Daily net profit | -$2.32 |
| -$3,843 | Net after 1 year | -$847 |
| -$5,187 | Net after 2 years | -$1,693 |
| -$6,530 | Net after 3 years | -$2,540 |
| 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
Antminer S19j ProScore: 84/100. 75 dB noise level.
Best for Efficiency
Antminer S19j Pro30.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer S19j Pro or the Bitmain Antminer V9 (4Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer V9 (4Th) is more profitable at $-2.32/day compared to $-3.68/day for the Antminer S19j Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer S19j Pro vs Bitmain Antminer V9 (4Th): which runs at a lower noise level?
The Antminer S19j Pro is quieter at 75 dB compared to the Bitmain Antminer V9 (4Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer S19j Pro or the Bitmain Antminer V9 (4Th)?
The Antminer S19j Pro scores 84/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer V9 (4Th)). 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 Antminer S19j Pro and Bitmain Antminer V9 (4Th)?
The Antminer S19j Pro runs at 30.5 J/TH while the Bitmain Antminer V9 (4Th) runs at 256.8 J/TH — a difference of 226.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 88% better efficiency (30.5 vs 256.8 J/TH).