Bitmain Antminer S11 (20.5Th) vs NerdOctaxe Gamma
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S11 (20.5Th) | Specification | NerdOctaxe Gamma |
|---|---|---|
| 20.5 TH/s | Taux de hachage | 8.0 TH/s |
| 1,530 W | Consommation électrique | 200 W |
| 74.6 J/TH | Efficiency | 25.0 J/TH |
| — | Niveau de bruit | 45 dB |
| 6.5 kg | Weight | 0.8 kg |
| 5,220 BTU/hr | BTU Output | 682 BTU/hr |
| 28/100 | Home Mining Score | 61/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S11 (20.5Th)
NerdOctaxe Gamma
Based on BTC price of $62,527 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the NerdOctaxe Gamma, which leads on 4 of 5 weighted factors (efficacité, consommation électrique, score de minage domestique, niveau sonore). The standout gap is 87% better power draw (1,530 vs 200 W) in the NerdOctaxe Gamma's favour. The Bitmain Antminer S11 (20.5Th) holds the edge in hashrate. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S11 (20.5Th) and NerdOctaxe Gamma sit on each measurable spec:
- Bitmain Antminer S11 (20.5Th) 156% more hashrate (20.5 vs 8.0 TH/s)
- NerdOctaxe Gamma 87% better power draw (1,530 vs 200 W)
- NerdOctaxe Gamma 67% better efficacité (74.6 vs 25.0 J/TH)
- NerdOctaxe Gamma 88% better weight (6.5 vs 0.8 kg)
- Bitmain Antminer S11 (20.5Th) 665% more heat output (5,220 vs 682 BTU/hr)
- NerdOctaxe Gamma 118% more score de minage domestique (28.0 vs 61.0)
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 S11 (20.5Th) | Metric | NerdOctaxe Gamma |
|---|---|---|
| — | Upfront cost (MSRP) | $599 |
| -$3.09 | Daily net profit | -$0.25 |
| -$1,129 | Net after 1 year | -$692 |
| -$2,257 | Net after 2 years | -$784 |
| -$3,386 | Net after 3 years | -$877 |
| — | 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
NerdOctaxe GammaScore: 61/100. 45 dB noise level.
Best for Efficiency
NerdOctaxe Gamma25.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S11 (20.5Th) vs NerdOctaxe Gamma: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the NerdOctaxe Gamma is more profitable at $-0.25/day compared to $-3.09/day for the Bitmain Antminer S11 (20.5Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S11 (20.5Th) or the NerdOctaxe Gamma better for noise-sensitive spaces?
The NerdOctaxe Gamma is quieter at 45 dB compared to the Bitmain Antminer S11 (20.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S11 (20.5Th) vs NerdOctaxe Gamma: which fits a residential setup better?
The NerdOctaxe Gamma scores 61/100 on our Home Mining Score (vs 28/100 for the Bitmain Antminer S11 (20.5Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S11 (20.5Th) vs NerdOctaxe Gamma: how much does the efficiency gap matter?
The Bitmain Antminer S11 (20.5Th) runs at 74.6 J/TH while the NerdOctaxe Gamma runs at 25.0 J/TH — a difference of 49.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 67% better efficacité (74.6 vs 25.0 J/TH).