Bitmain Antminer S21+ Hyd (358Th) vs Auradine Teraflux AT2880
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S21+ Hyd (358Th) | Specification | Auradine Teraflux AT2880 |
|---|---|---|
| 358.0 TH/s | Hashrate | 260.0 TH/s |
| 5,370 W | Power Consumption | 4,420 W |
| 15.0 J/TH | Efficiency | 17.0 J/TH |
| 50 dB | Noise Level | 75 dB |
| 12.8 kg | Weight | — |
| 18,322 BTU/hr | BTU Output | 15,081 BTU/hr |
| 44/100 | Home Mining Score | — |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Auradine |
Profitability Comparison
Bitmain Antminer S21+ Hyd (358Th)
Auradine Teraflux AT2880
Based on BTC price of $77,478 and current network difficulty as of May 21, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer S21+ Hyd (358Th), which leads on 4 of 5 weighted factors (efficiency, hashrate, home mining score, noise level). Where it pulls away hardest is 33% better noise (50.0 vs 75.0 dB). That said, the Auradine Teraflux AT2880 isn't beaten everywhere — it still wins 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 Auradine Teraflux AT2880 actually differ, with the gap quantified:
- Bitmain Antminer S21+ Hyd (358Th) 38% more hashrate (358 vs 260 TH/s)
- Auradine Teraflux AT2880 18% better power draw (5,370 vs 4,420 W)
- Bitmain Antminer S21+ Hyd (358Th) 12% better efficiency (15.0 vs 17.0 J/TH)
- Bitmain Antminer S21+ Hyd (358Th) 33% better noise (50.0 vs 75.0 dB)
- Bitmain Antminer S21+ Hyd (358Th) 21% more heat output (18,322 vs 15,081 BTU/hr)
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+ Hyd (358Th) | Metric | Auradine Teraflux AT2880 |
|---|---|---|
| $2,757 | Upfront cost (MSRP) | — |
| -$0.12 | Daily net profit | -$1.34 |
| -$2,802 | Net after 1 year | -$488 |
| -$2,847 | Net after 2 years | -$977 |
| -$2,893 | Net after 3 years | -$1,465 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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+ Hyd (358Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S21+ Hyd (358Th)15.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S21+ Hyd (358Th) or the Auradine Teraflux AT2880?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21+ Hyd (358Th) is more profitable at $-0.12/day compared to $-1.34/day for the Auradine Teraflux AT2880. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S21+ Hyd (358Th) or Auradine Teraflux AT2880?
The Bitmain Antminer S21+ Hyd (358Th) is quieter at 50 dB compared to the Auradine Teraflux AT2880 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 Auradine Teraflux AT2880?
The Bitmain Antminer S21+ Hyd (358Th) scores 44/100 on our Home Mining Score (vs 0/100 for the Auradine Teraflux AT2880). 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 Auradine Teraflux AT2880?
The Bitmain Antminer S21+ Hyd (358Th) runs at 15.0 J/TH while the Auradine Teraflux AT2880 runs at 17.0 J/TH — a difference of 2.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 12% better efficiency (15.0 vs 17.0 J/TH).
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