Bitmain Antminer S21e Hyd (310Th) vs Bitmain Antminer S9 (13.5Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21e Hyd (310Th) | Specification | Bitmain Antminer S9 (13.5Th) |
|---|---|---|
| 310.0 TH/s | Taux de hachage | 13.5 TH/s |
| 5,270 W | Consommation électrique | 1,323 W |
| 17.0 J/TH | Efficiency | 98.0 J/TH |
| 75 dB | Niveau de bruit | — |
| 12.8 kg | Weight | 4,200.0 kg |
| 17,981 BTU/hr | BTU Output | 4,514 BTU/hr |
| 30/100 | Home Mining Score | 31/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S21e Hyd (310Th)
Bitmain Antminer S9 (13.5Th)
Based on BTC price of $76,901 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer S21e Hyd (310Th) comes out ahead — it takes 3 of 6 (efficacité, hashrate, niveau sonore). Where it pulls away hardest is 2196% more hashrate (310.0 vs 13.5 TH/s). The Bitmain Antminer S9 (13.5Th) claws back ground on consommation électrique and score de minage domestique and rapport qualité-prix. Cross-check the spec deltas and operating-cost table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S21e Hyd (310Th) and Bitmain Antminer S9 (13.5Th) sit on each measurable spec:
- Bitmain Antminer S21e Hyd (310Th) 2196% more hashrate (310.0 vs 13.5 TH/s)
- Bitmain Antminer S9 (13.5Th) 75% better power draw (5,270 vs 1,323 W)
- Bitmain Antminer S21e Hyd (310Th) 83% better efficacité (17.0 vs 98.0 J/TH)
- Bitmain Antminer S21e Hyd (310Th) 100% better weight (12.8 vs 4,200.0 kg)
- Bitmain Antminer S21e Hyd (310Th) 298% more heat output (17,981 vs 4,514 BTU/hr)
- Bitmain Antminer S9 (13.5Th) 3% more score de minage domestique (30.0 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.
| Bitmain Antminer S21e Hyd (310Th) | Metric | Bitmain Antminer S9 (13.5Th) |
|---|---|---|
| $1,679 | Upfront cost (MSRP) | $65 |
| -$1.68 | Daily net profit | -$2.70 |
| -$2,291 | Net after 1 year | -$1,050 |
| -$2,904 | Net after 2 years | -$2,034 |
| -$3,516 | Net after 3 years | -$3,019 |
| 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
Bitmain Antminer S9 (13.5Th)Score: 31/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer S21e Hyd (310Th)17.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S21e Hyd (310Th) or the Bitmain Antminer S9 (13.5Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21e Hyd (310Th) is more profitable at $-1.68/day compared to $-2.70/day for the Bitmain Antminer S9 (13.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21e Hyd (310Th) or Bitmain Antminer S9 (13.5Th)?
The Bitmain Antminer S21e Hyd (310Th) is quieter at 75 dB compared to the Bitmain Antminer S9 (13.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S21e Hyd (310Th) vs Bitmain Antminer S9 (13.5Th): which fits a residential setup better?
The Bitmain Antminer S9 (13.5Th) scores 31/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer S21e Hyd (310Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer S21e Hyd (310Th) and Bitmain Antminer S9 (13.5Th) on J/TH?
The Bitmain Antminer S21e Hyd (310Th) runs at 17.0 J/TH while the Bitmain Antminer S9 (13.5Th) runs at 98.0 J/TH — a difference of 81.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 83% better efficacité (17.0 vs 98.0 J/TH).