Antminer S21+ vs Auradine Teraflux AH3880
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21+ | Specification | Auradine Teraflux AH3880 |
|---|---|---|
| 216.0 TH/s | Hashrate | 600.0 TH/s |
| 3,564 W | Power Consumption | 8,700 W |
| 16.5 J/TH | Efficiency | 14.5 J/TH |
| 75 dB | Noise Level | 60 dB |
| 15.0 kg | Weight | — |
| 12,160 BTU/hr | BTU Output | 29,684 BTU/hr |
| 30/100 | Home Mining Score | — |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Auradine |
Profitability Comparison
Antminer S21+
Auradine Teraflux AH3880
Based on BTC price of $77,015 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Auradine Teraflux AH3880 comes out ahead — it takes 3 of 5 (efficiency, hashrate, noise level). The standout gap is 178% more hashrate (216 vs 600 TH/s) in the Auradine Teraflux AH3880's favour. The Antminer S21+ claws back ground on power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Antminer S21+ and Auradine Teraflux AH3880 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Auradine Teraflux AH3880 178% more hashrate (216 vs 600 TH/s)
- Antminer S21+ 59% better power draw (3,564 vs 8,700 W)
- Auradine Teraflux AH3880 12% better efficiency (16.5 vs 14.5 J/TH)
- Auradine Teraflux AH3880 20% better noise (75.0 vs 60.0 dB)
- Auradine Teraflux AH3880 144% more heat output (12,160 vs 29,684 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.
| Antminer S21+ | Metric | Auradine Teraflux AH3880 |
|---|---|---|
| $6,500 | Upfront cost (MSRP) | — |
| -$0.90 | Daily net profit | $0.38 |
| -$6,828 | Net after 1 year | +$140 |
| -$7,156 | Net after 2 years | +$281 |
| -$7,484 | Net after 3 years | +$421 |
| 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
Auradine Teraflux AH3880$1.28/day higher profit at current rates.
Best for Home Mining
Antminer S21+Score: 30/100. 75 dB noise level.
Best for Efficiency
Auradine Teraflux AH388014.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer S21+ or the Auradine Teraflux AH3880?
At the current BTC price and a $0.10/kWh electricity rate, the Auradine Teraflux AH3880 is more profitable at $0.38/day compared to $-0.90/day for the Antminer S21+. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer S21+ vs Auradine Teraflux AH3880: which runs at a lower noise level?
The Auradine Teraflux AH3880 is quieter at 60 dB compared to the Antminer S21+ at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer S21+ or Auradine Teraflux AH3880?
The Antminer S21+ scores 30/100 on our Home Mining Score (vs 0/100 for the Auradine Teraflux AH3880). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer S21+ vs Auradine Teraflux AH3880: how much does the efficiency gap matter?
The Antminer S21+ runs at 16.5 J/TH while the Auradine Teraflux AH3880 runs at 14.5 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 (16.5 vs 14.5 J/TH).
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