Antminer S21 vs DragonMint T1
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer S21 | Specification | DragonMint T1 |
|---|---|---|
| 200.0 TH/s | Taux de hachage | 16.0 TH/s |
| 3,500 W | Consommation électrique | 1,480 W |
| 17.5 J/TH | Efficiency | 92.5 J/TH |
| 75 dB | Niveau de bruit | 75 dB |
| 14.6 kg | Weight | 6.0 kg |
| 11,942 BTU/hr | BTU Output | 5,050 BTU/hr |
| 36/100 | Home Mining Score | 48/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Halong Mining |
Profitability Comparison
Antminer S21
DragonMint T1
Based on BTC price of $78,200 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Antminer S21, which leads on 2 of 4 weighted factors (efficacité, hashrate). Its biggest concrete edge: 1150% more hashrate (200.0 vs 16.0 TH/s). That said, the DragonMint T1 isn't beaten everywhere — it still wins consommation électrique and score de minage domestique. 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 Antminer S21 and DragonMint T1 actually differ, with the gap quantified:
- Antminer S21 1150% more hashrate (200.0 vs 16.0 TH/s)
- DragonMint T1 58% better power draw (3,500 vs 1,480 W)
- Antminer S21 81% better efficacité (17.5 vs 92.5 J/TH)
- DragonMint T1 59% better weight (14.6 vs 6.0 kg)
- Antminer S21 136% more heat output (11,942 vs 5,050 BTU/hr)
- DragonMint T1 33% more score de minage domestique (36.0 vs 48.0)
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.
| Antminer S21 | Metric | DragonMint T1 |
|---|---|---|
| $5,500 | Upfront cost (MSRP) | — |
| -$1.20 | Daily net profit | -$2.98 |
| -$5,939 | Net after 1 year | -$1,086 |
| -$6,378 | Net after 2 years | -$2,173 |
| -$6,817 | Net after 3 years | -$3,259 |
| 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
DragonMint T1Score: 48/100. 75 dB noise level.
Best for Efficiency
Antminer S2117.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer S21 vs DragonMint T1: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S21 is more profitable at $-1.20/day compared to $-2.98/day for the DragonMint T1. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Antminer S21 or the DragonMint T1 better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
For mining at home, should I pick the Antminer S21 or the DragonMint T1?
The DragonMint T1 scores 48/100 on our Home Mining Score (vs 36/100 for the Antminer S21). 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 Antminer S21 and DragonMint T1?
The Antminer S21 runs at 17.5 J/TH while the DragonMint T1 runs at 92.5 J/TH — a difference of 75.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 81% better efficacité (17.5 vs 92.5 J/TH).