Bitmain Antminer S17+ (73Th) vs Bitmain Antminer S21+ Hyd
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S17+ (73Th) | Specification | Bitmain Antminer S21+ Hyd |
|---|---|---|
| 73.0 TH/s | Taux de hachage | 319.0 TH/s |
| 2,920 W | Consommation électrique | 4,785 W |
| 40.0 J/TH | Efficiency | 15.0 J/TH |
| — | Niveau de bruit | 50 dB |
| 11,000.0 kg | Weight | 17.5 kg |
| 9,963 BTU/hr | BTU Output | 16,326 BTU/hr |
| 22/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S17+ (73Th)
Bitmain Antminer S21+ Hyd
Based on BTC price of $78,190 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer S21+ Hyd edges it: 4 of 6 factors go its way (efficacité, hashrate, score de minage domestique, niveau sonore). The standout gap is 337% more hashrate (73.0 vs 319.0 TH/s) in the Bitmain Antminer S21+ Hyd's favour. That said, the Bitmain Antminer S17+ (73Th) isn't beaten everywhere — it still wins consommation électrique and rapport qualité-prix. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Bitmain Antminer S17+ (73Th) and Bitmain Antminer S21+ Hyd actually differ, with the gap quantified:
- Bitmain Antminer S21+ Hyd 337% more hashrate (73.0 vs 319.0 TH/s)
- Bitmain Antminer S17+ (73Th) 39% better power draw (2,920 vs 4,785 W)
- Bitmain Antminer S21+ Hyd 63% better efficacité (40.0 vs 15.0 J/TH)
- Bitmain Antminer S21+ Hyd 100% better weight (11,000.0 vs 17.5 kg)
- Bitmain Antminer S21+ Hyd 64% more heat output (9,963 vs 16,326 BTU/hr)
- Bitmain Antminer S21+ Hyd 100% more score de minage domestique (22.0 vs 44.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitmain Antminer S17+ (73Th) | Metric | Bitmain Antminer S21+ Hyd |
|---|---|---|
| $550 | Upfront cost (MSRP) | $2,499 |
| -$4.38 | Daily net profit | -$0.01 |
| -$2,149 | Net after 1 year | -$2,501 |
| -$3,748 | Net after 2 years | -$2,503 |
| -$5,348 | Net after 3 years | -$2,505 |
| 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
Bitmain Antminer S21+ HydScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21+ Hyd15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S17+ (73Th) vs Bitmain Antminer S21+ Hyd: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd is more profitable at $-0.01/day compared to $-4.38/day for the Bitmain Antminer S17+ (73Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer S17+ (73Th) or the Bitmain Antminer S21+ Hyd better for noise-sensitive spaces?
The Bitmain Antminer S21+ Hyd is quieter at 50 dB compared to the Bitmain Antminer S17+ (73Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S17+ (73Th) vs Bitmain Antminer S21+ Hyd: which fits a residential setup better?
The Bitmain Antminer S21+ Hyd scores 44/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S17+ (73Th)). 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 S17+ (73Th) and Bitmain Antminer S21+ Hyd?
The Bitmain Antminer S17+ (73Th) runs at 40.0 J/TH while the Bitmain Antminer S21+ Hyd runs at 15.0 J/TH — a difference of 25.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 63% better efficacité (40.0 vs 15.0 J/TH).