Bitmain Antminer R4 vs Bitmain Antminer S9i (13Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer R4 | Specification | Bitmain Antminer S9i (13Th) |
|---|---|---|
| 8.7 TH/s | Hashrate | 13.0 TH/s |
| 845 W | Power Consumption | 1,280 W |
| 97.1 J/TH | Efficiency | 98.5 J/TH |
| — | Noise Level | — |
| 2,500.0 kg | Weight | 4,200.0 kg |
| 2,883 BTU/hr | BTU Output | 4,367 BTU/hr |
| 28/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer R4
Bitmain Antminer S9i (13Th)
Based on BTC price of $76,568 and current network difficulty as of May 19, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer R4 wins on 2 of 4 factors (efficiency, power consumption). Its biggest concrete edge: 34% better power draw (845 vs 1,280 W). The Bitmain Antminer S9i (13Th) claws back ground on hashrate and home mining score. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer R4 and Bitmain Antminer S9i (13Th) actually differ, with the gap quantified:
- Bitmain Antminer S9i (13Th) 49% more hashrate (8.7 vs 13.0 TH/s)
- Bitmain Antminer R4 34% better power draw (845 vs 1,280 W)
- Bitmain Antminer R4 1% better efficiency (97.1 vs 98.5 J/TH)
- Bitmain Antminer R4 40% better weight (2,500 vs 4,200 kg)
- Bitmain Antminer S9i (13Th) 51% more heat output (2,883 vs 4,367 BTU/hr)
- Bitmain Antminer S9i (13Th) 11% more home mining score (28.0 vs 31.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer R4 | Metric | Bitmain Antminer S9i (13Th) |
|---|---|---|
| — | Upfront cost (MSRP) | $65 |
| -$1.61 | Daily net profit | -$2.45 |
| -$587 | Net after 1 year | -$958 |
| -$1,175 | Net after 2 years | -$1,851 |
| -$1,762 | Net after 3 years | -$2,744 |
| — | 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 S9i (13Th)Score: 31/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer R497.1 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer R4 vs Bitmain Antminer S9i (13Th): 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 $-1.61/day compared to $-2.45/day for the Bitmain Antminer S9i (13Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer R4 or Bitmain Antminer S9i (13Th)?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
For mining at home, should I pick the Bitmain Antminer R4 or the Bitmain Antminer S9i (13Th)?
The Bitmain Antminer S9i (13Th) scores 31/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer R4). 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 S9i (13Th): how much does the efficiency gap matter?
The Bitmain Antminer R4 runs at 97.1 J/TH while the Bitmain Antminer S9i (13Th) runs at 98.5 J/TH — a difference of 1.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 1% better efficiency (97.1 vs 98.5 J/TH).