Antminer S19 vs Antminer S9
Side-by-side specs, profitability, and home mining comparison.
Quick verdict
For most buyers the Antminer S19 is the stronger pick — Multiple generations of chip advancement create an insurmountable efficiency gap. The Antminer S19 runs 95.0 TH/s at 34.2 J/TH; the Antminer S9 runs 14.0 TH/s at 96.4 J/TH.
Specs verified against the D-Central Mining Bible \xc2\xb7 June 2026
Specifications Comparison
| Antminer S19 | Specification | Antminer S9 |
|---|---|---|
| 95.0 TH/s | Hashrate | 14.0 TH/s |
| 3,250 W | Power Consumption | 1,350 W |
| 34.2 J/TH | Efficiency | 96.4 J/TH |
| 75 dB | Noise Level | 76 dB |
| 14.4 kg | Weight | 4.2 kg |
| 11,089 BTU/hr | BTU Output | 4,606 BTU/hr |
| 8/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer S19
Antminer S9
Based on BTC price of $64,266 and current network difficulty as of Jun 13, 2026. Actual results vary.
Verdict
Two of the most iconic Antminers ever made, separated by multiple chip generations. The S9 defined an era; the S19 ushered in the next.
The S19 is vastly superior in every mining metric. The S9 survives only as a budget heater or nostalgic collectible. No one should buy an S9 for mining in 2026 — but its place in Bitcoin history is secure.
Spec Deltas
The Antminer S19 and Antminer S9 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer S19 579% more hashrate (95.0 vs 14.0 TH/s)
- Antminer S9 58% better power draw (3,250 vs 1,350 W)
- Antminer S19 65% better efficiency (34.2 vs 96.4 J/TH)
- Antminer S19 1% better noise (75.0 vs 76.0 dB)
- Antminer S9 71% better weight (14.4 vs 4.2 kg)
- Antminer S19 141% more heat output (11,089 vs 4,606 BTU/hr)
- Antminer S9 175% more home mining score (8.0 vs 22.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Antminer S19 | Metric | Antminer S9 |
|---|---|---|
| $2,000 | Upfront cost (MSRP) | — |
| -$5.04 | Daily net profit | -$2.83 |
| -$3,839 | Net after 1 year | -$1,034 |
| -$5,678 | Net after 2 years | -$2,068 |
| -$7,517 | Net after 3 years | -$3,102 |
| 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 S9Score: 22/100. 76 dB noise level.
Best for Efficiency
Antminer S1934.2 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the S9 the best-selling Bitcoin miner ever?
The S9 is widely considered the most successful Bitcoin miner by units sold. It defined home and small-scale mining for years and remains the most recognized Antminer model.
Can an S9 still find a block?
Theoretically yes, but solo mining with an S9 at current difficulty is extremely unlikely. Most S9s today are in pools or repurposed as space heaters.
Why does D-Central still sell S9-based products?
The S9 is an excellent space heater candidate — cheap, well-understood, easy to repair, and produces plenty of heat. D-Central's Space Heater S9 Edition gives it a second life.