Antminer S19 Pro vs Antminer S19j Pro
Side-by-side specs, profitability, and home mining comparison.
Quick verdict
For most buyers the Antminer S19j Pro is the stronger pick — Slightly better efficiency in head-to-head testing at similar hashrate tiers. The Antminer S19 Pro runs 110.0 TH/s at 29.6 J/TH; the Antminer S19j Pro runs 104.0 TH/s at 29.5 J/TH.
Specs verified against the D-Central Mining Bible \xc2\xb7 June 2026
Specifications Comparison
| Antminer S19 Pro | Specification | Antminer S19j Pro |
|---|---|---|
| 110.0 TH/s | Hashrate | 104.0 TH/s |
| 3,250 W | Power Consumption | 3,068 W |
| 29.6 J/TH | Efficiency | 29.5 J/TH |
| 75 dB | Noise Level | 75 dB |
| 14.4 kg | Weight | 13.2 kg |
| 11,089 BTU/hr | BTU Output | 10,468 BTU/hr |
| 8/100 | Home Mining Score | 8/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S19 Pro
Antminer S19j Pro
Based on BTC price of $60,487 and current network difficulty as of Jun 27, 2026. Actual results vary.
Verdict
Two Pro-tier miners from the S19 generation. The S19 Pro debuted first with strong specs, and the S19j Pro refined the formula with a slightly different chip design.
Performance is very close. The S19j Pro has marginally better efficiency in most configurations, but the S19 Pro has a more established secondary market. For practical purposes, price-per-TH at purchase is the deciding factor.
Spec Deltas
Here is every spec where the Antminer S19 Pro and Antminer S19j Pro actually differ, with the gap quantified:
- Antminer S19 Pro 6% more hashrate (110 vs 104 TH/s)
- Antminer S19j Pro 6% better power draw (3,250 vs 3,068 W)
- Antminer S19j Pro 8% better weight (14.4 vs 13.2 kg)
- Antminer S19 Pro 6% more heat output (11,089 vs 10,468 BTU/hr)
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 S19 Pro | Metric | Antminer S19j Pro |
|---|---|---|
| $2,500 | Upfront cost (MSRP) | $2,500 |
| -$4.68 | Daily net profit | -$4.41 |
| -$4,207 | Net after 1 year | -$4,109 |
| -$5,913 | Net after 2 years | -$5,719 |
| -$7,620 | Net after 3 years | -$7,328 |
| 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
Antminer S19j Pro29.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Are the S19 Pro and S19j Pro essentially the same miner?
They are very similar in specs and form factor but use slightly different chip revisions. The j Pro is the newer design. For most miners, the cheaper available unit is the better buy.
Which is easier to repair?
Both share a similar board layout and D-Central services both extensively. Parts availability is roughly equal on the secondary market.