Bitmain Antminer S21 (200Th) vs Avalon A1346
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21 (200Th) | Specification | Avalon A1346 |
|---|---|---|
| 200.0 TH/s | Taux de hachage | 110.0 TH/s |
| 3,550 W | Consommation électrique | 3,300 W |
| 17.8 J/TH | Efficiency | 30.0 J/TH |
| — | Niveau de bruit | 75 dB |
| 14.2 kg | Weight | 12.3 kg |
| 12,113 BTU/hr | BTU Output | 11,260 BTU/hr |
| 16/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S21 (200Th)
Avalon A1346
Based on BTC price of $78,208 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S21 (200Th) l'emporte sur 3 des 6 facteurs (efficacité, hashrate, rapport qualité-prix). The standout gap is 82% more hashrate (200 vs 110 TH/s) in the Bitmain Antminer S21 (200Th)'s favour. That said, the Avalon A1346 isn't beaten everywhere — it still wins consommation électrique and score de minage domestique and niveau sonore. 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 S21 (200Th) and Avalon A1346 actually differ, with the gap quantified:
- Bitmain Antminer S21 (200Th) 82% more hashrate (200 vs 110 TH/s)
- Avalon A1346 7% better power draw (3,550 vs 3,300 W)
- Bitmain Antminer S21 (200Th) 41% better efficacité (17.8 vs 30.0 J/TH)
- Avalon A1346 13% better weight (14.2 vs 12.3 kg)
- Bitmain Antminer S21 (200Th) 8% more heat output (12,113 vs 11,260 BTU/hr)
- Avalon A1346 125% more score de minage domestique (16.0 vs 36.0)
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 S21 (200Th) | Metric | Avalon A1346 |
|---|---|---|
| $1,076 | Upfront cost (MSRP) | $2,800 |
| -$1.32 | Daily net profit | -$3.96 |
| -$1,558 | Net after 1 year | -$4,246 |
| -$2,041 | Net after 2 years | -$5,692 |
| -$2,523 | Net after 3 years | -$7,137 |
| 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
Avalon A1346Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer S21 (200Th)17.8 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S21 (200Th) vs Avalon A1346: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 (200Th) is more profitable at $-1.32/day compared to $-3.96/day for the Avalon A1346. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S21 (200Th) or the Avalon A1346 better for noise-sensitive spaces?
The Avalon A1346 is quieter at 75 dB compared to the Bitmain Antminer S21 (200Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer S21 (200Th) or the Avalon A1346?
The Avalon A1346 scores 36/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S21 (200Th)). 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 S21 (200Th) and Avalon A1346 on J/TH?
The Bitmain Antminer S21 (200Th) runs at 17.8 J/TH while the Avalon A1346 runs at 30.0 J/TH — a difference of 12.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 41% better efficacité (17.8 vs 30.0 J/TH).