Bitmain Antminer S21e Hyd (310Th) vs StealthMiner
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21e Hyd (310Th) | Specification | StealthMiner |
|---|---|---|
| 310.0 TH/s | Taux de hachage | 800.0 GH/s |
| 5,270 W | Consommation électrique | 18 W |
| 17.0 J/TH | Efficiency | 22.5 J/TH |
| 75 dB | Niveau de bruit | 28 dB |
| 12.8 kg | Weight | 1.5 kg |
| 17,981 BTU/hr | BTU Output | 61 BTU/hr |
| 30/100 | Home Mining Score | 70/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S21e Hyd (310Th)
StealthMiner
Based on BTC price of $76,901 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S21e Hyd (310Th), which leads on 3 of 6 weighted factors (efficacité, hashrate, rapport qualité-prix). Its biggest concrete edge: 38650% more hashrate (310.0 vs 0.8 TH/s). The StealthMiner claws back ground on consommation électrique and score de minage domestique and niveau sonore. 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 S21e Hyd (310Th) and StealthMiner actually differ, with the gap quantified:
- Bitmain Antminer S21e Hyd (310Th) 38650% more hashrate (310.0 vs 0.8 TH/s)
- StealthMiner 100% better power draw (5,270.0 vs 18.0 W)
- Bitmain Antminer S21e Hyd (310Th) 24% better efficacité (17.0 vs 22.5 J/TH)
- StealthMiner 63% better noise (75.0 vs 28.0 dB)
- StealthMiner 88% better weight (12.8 vs 1.5 kg)
- Bitmain Antminer S21e Hyd (310Th) 29185% more heat output (17,981.2 vs 61.4 BTU/hr)
- StealthMiner 133% more score de minage domestique (30.0 vs 70.0)
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 S21e Hyd (310Th) | Metric | StealthMiner |
|---|---|---|
| $1,679 | Upfront cost (MSRP) | $199 |
| -$1.68 | Daily net profit | -$0.01 |
| -$2,291 | Net after 1 year | -$204 |
| -$2,904 | Net after 2 years | -$210 |
| -$3,516 | Net after 3 years | -$215 |
| 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
StealthMinerScore: 70/100. 28 dB noise level.
Best for Efficiency
Bitmain Antminer S21e Hyd (310Th)17.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S21e Hyd (310Th) or StealthMiner more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the StealthMiner is more profitable at $-0.01/day compared to $-1.68/day for the Bitmain Antminer S21e Hyd (310Th). 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 StealthMiner?
The StealthMiner is quieter at 28 dB compared to the Bitmain Antminer S21e Hyd (310Th) at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S21e Hyd (310Th) vs StealthMiner: which fits a residential setup better?
The StealthMiner scores 70/100 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.
What is the efficiency difference between Bitmain Antminer S21e Hyd (310Th) and StealthMiner?
The Bitmain Antminer S21e Hyd (310Th) runs at 17.0 J/TH while the StealthMiner runs at 22.5 J/TH — a difference of 5.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 24% better efficacité (17.0 vs 22.5 J/TH).