Bitmain Antminer R4 vs Bitmain Antminer S19j (90Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer R4 | Specification | Bitmain Antminer S19j (90Th) |
|---|---|---|
| 8.7 TH/s | Taux de hachage | 90.0 TH/s |
| 845 W | Consommation électrique | 3,250 W |
| 97.1 J/TH | Efficiency | 36.1 J/TH |
| — | Niveau de bruit | — |
| 2,500.0 kg | Weight | 14,200.0 kg |
| 2,883 BTU/hr | BTU Output | 11,089 BTU/hr |
| 28/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer R4
Bitmain Antminer S19j (90Th)
Based on BTC price of $78,128 and current network difficulty as of May 17, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer S19j (90Th) comes out ahead — it takes 2 of 4 (efficacité, hashrate). The standout gap is 934% more hashrate (8.7 vs 90.0 TH/s) in the Bitmain Antminer S19j (90Th)'s favour. The Bitmain Antminer R4 claws back ground on consommation électrique and score de minage domestique. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer R4 and Bitmain Antminer S19j (90Th) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S19j (90Th) 934% more hashrate (8.7 vs 90.0 TH/s)
- Bitmain Antminer R4 74% better power draw (845 vs 3,250 W)
- Bitmain Antminer S19j (90Th) 63% better efficacité (97.1 vs 36.1 J/TH)
- Bitmain Antminer R4 82% better weight (2,500 vs 14,200 kg)
- Bitmain Antminer S19j (90Th) 285% more heat output (2,883 vs 11,089 BTU/hr)
- Bitmain Antminer R4 27% more score de minage domestique (28.0 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.
| Bitmain Antminer R4 | Metric | Bitmain Antminer S19j (90Th) |
|---|---|---|
| — | Upfront cost (MSRP) | $405 |
| -$1.72 | Daily net profit | -$4.56 |
| -$626 | Net after 1 year | -$2,071 |
| -$1,252 | Net after 2 years | -$3,737 |
| -$1,878 | Net after 3 years | -$5,403 |
| — | 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
Bitmain Antminer R4Score: 28/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer S19j (90Th)36.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer R4 vs Bitmain Antminer S19j (90Th): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer R4 is more profitable at $-1.72/day compared to $-4.56/day for the Bitmain Antminer S19j (90Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer R4 vs Bitmain Antminer S19j (90Th): which runs at a lower noise level?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer R4 vs Bitmain Antminer S19j (90Th): which fits a residential setup better?
The Bitmain Antminer R4 scores 28/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S19j (90Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer R4 vs Bitmain Antminer S19j (90Th): how much does the efficiency gap matter?
The Bitmain Antminer R4 runs at 97.1 J/TH while the Bitmain Antminer S19j (90Th) runs at 36.1 J/TH — a difference of 61.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 63% better efficacité (97.1 vs 36.1 J/TH).