Bitmain Antminer S11 (20.5Th) vs NerdAxe
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S11 (20.5Th) | Specification | NerdAxe |
|---|---|---|
| 20.5 TH/s | Taux de hachage | 500.0 GH/s |
| 1,530 W | Consommation électrique | 12 W |
| 74.6 J/TH | Efficiency | 24.0 J/TH |
| — | Niveau de bruit | 30 dB |
| 6,500.0 kg | Weight | 0.2 kg |
| 5,220 BTU/hr | BTU Output | 41 BTU/hr |
| 28/100 | Home Mining Score | 70/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | D-Central |
Profitability Comparison
Bitmain Antminer S11 (20.5Th)
NerdAxe
Based on BTC price of $78,236 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the NerdAxe comes out ahead — it takes 4 of 5 (efficacité, consommation électrique, score de minage domestique, niveau sonore). The standout gap is 99% better power draw (1,530.0 vs 12.0 W) in the NerdAxe's favour. That said, the Bitmain Antminer S11 (20.5Th) isn't beaten everywhere — it still wins hashrate. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitmain Antminer S11 (20.5Th) and NerdAxe actually differ, with the gap quantified:
- Bitmain Antminer S11 (20.5Th) 4000% more hashrate (20.5 vs 0.5 TH/s)
- NerdAxe 99% better power draw (1,530.0 vs 12.0 W)
- NerdAxe 68% better efficacité (74.6 vs 24.0 J/TH)
- NerdAxe 100% better weight (6,500.0 vs 0.2 kg)
- Bitmain Antminer S11 (20.5Th) 12664% more heat output (5,220.4 vs 40.9 BTU/hr)
- NerdAxe 150% more score de minage domestique (28.0 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 S11 (20.5Th) | Metric | NerdAxe |
|---|---|---|
| — | Upfront cost (MSRP) | $69 |
| -$2.93 | Daily net profit | -$0.01 |
| -$1,071 | Net after 1 year | -$73 |
| -$2,142 | Net after 2 years | -$77 |
| -$3,213 | Net after 3 years | -$81 |
| — | 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
NerdAxeScore: 70/100. 30 dB noise level.
Best for Efficiency
NerdAxe24.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S11 (20.5Th) vs NerdAxe: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the NerdAxe is more profitable at $-0.01/day compared to $-2.93/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.
Which is quieter, the Bitmain Antminer S11 (20.5Th) or NerdAxe?
The NerdAxe is quieter at 30 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 NerdAxe: which fits a residential setup better?
The NerdAxe scores 70/100 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 NerdAxe: how much does the efficiency gap matter?
The Bitmain Antminer S11 (20.5Th) runs at 74.6 J/TH while the NerdAxe runs at 24.0 J/TH — a difference of 50.6 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 68% better efficacité (74.6 vs 24.0 J/TH).