Bitmain Antminer S21+ Hyd (358Th) vs Canaan Avalon A16
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21+ Hyd (358Th) | Specification | Canaan Avalon A16 |
|---|---|---|
| 358.0 TH/s | Hashrate | 282.0 TH/s |
| 5,370 W | Power Consumption | 3,900 W |
| 15.0 J/TH | Efficiency | 13.8 J/TH |
| 50 dB | Noise Level | 75 dB |
| 12.8 kg | Weight | 14.9 kg |
| 18,322 BTU/hr | BTU Output | 13,307 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Canaan |
Profitability Comparison
Bitmain Antminer S21+ Hyd (358Th)
Canaan Avalon A16
Based on BTC price of $79,123 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S21+ Hyd (358Th), which leads on 4 of 6 weighted factors (hashrate, home mining score, noise level, price-performance). Where it pulls away hardest is 33% better noise (50.0 vs 75.0 dB). The Canaan Avalon A16 holds the edge in efficiency and power consumption. 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+ Hyd (358Th) and Canaan Avalon A16 actually differ, with the gap quantified:
- Bitmain Antminer S21+ Hyd (358Th) 27% more hashrate (358 vs 282 TH/s)
- Canaan Avalon A16 27% better power draw (5,370 vs 3,900 W)
- Canaan Avalon A16 8% better efficiency (15.0 vs 13.8 J/TH)
- Bitmain Antminer S21+ Hyd (358Th) 33% better noise (50.0 vs 75.0 dB)
- Bitmain Antminer S21+ Hyd (358Th) 14% better weight (12.8 vs 14.9 kg)
- Bitmain Antminer S21+ Hyd (358Th) 38% more heat output (18,322 vs 13,307 BTU/hr)
- Bitmain Antminer S21+ Hyd (358Th) 47% more home mining score (44.0 vs 30.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer S21+ Hyd (358Th) | Metric | Canaan Avalon A16 |
|---|---|---|
| $2,757 | Upfront cost (MSRP) | $4,202 |
| $0.15 | Daily net profit | $0.91 |
| -$2,703 | Net after 1 year | -$3,871 |
| -$2,650 | Net after 2 years | -$3,539 |
| -$2,596 | Net after 3 years | -$3,208 |
| Takes ~51.3 years to pay back at current rates | Payback period | Takes ~12.7 years to pay back at current rates |
At the default rate, the Canaan Avalon A16 reaches break-even first — but plug in your own electricity cost above, since payback shifts sharply with it.
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
Canaan Avalon A16$0.76/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S21+ Hyd (358Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Canaan Avalon A1613.8 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S21+ Hyd (358Th) or the Canaan Avalon A16?
At the current BTC price and a $0.10/kWh electricity rate, the Canaan Avalon A16 is more profitable at $0.91/day compared to $0.15/day for the Bitmain Antminer S21+ Hyd (358Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S21+ Hyd (358Th) vs Canaan Avalon A16: which runs at a lower noise level?
The Bitmain Antminer S21+ Hyd (358Th) is quieter at 50 dB compared to the Canaan Avalon A16 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer S21+ Hyd (358Th) or the Canaan Avalon A16?
The Bitmain Antminer S21+ Hyd (358Th) scores 44/100 on our Home Mining Score (vs 30/100 for the Canaan Avalon A16). 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 S21+ Hyd (358Th) and Canaan Avalon A16?
The Bitmain Antminer S21+ Hyd (358Th) runs at 15.0 J/TH while the Canaan Avalon A16 runs at 13.8 J/TH — a difference of 1.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 8% better efficiency (15.0 vs 13.8 J/TH).
