Antminer T19 vs Bitmain T21 (190TH)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer T19 | Specification | Bitmain T21 (190TH) |
|---|---|---|
| 84.0 TH/s | Taux de hachage | 190.0 TH/s |
| 3,150 W | Consommation électrique | 3,610 W |
| 37.5 J/TH | Efficiency | 19.0 J/TH |
| 75 dB | Niveau de bruit | 76 dB |
| 14.4 kg | Weight | 16.4 kg |
| 10,748 BTU/hr | BTU Output | 12,317 BTU/hr |
| 84/100 | Home Mining Score | 23/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer T19
Bitmain T21 (190TH)
Based on BTC price of $78,208 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain T21 (190TH) l'emporte sur 3 des 6 facteurs (efficacité, hashrate, rapport qualité-prix). The standout gap is 126% more hashrate (84.0 vs 190.0 TH/s) in the Bitmain T21 (190TH)'s favour. That said, the Antminer T19 isn't beaten everywhere — it still wins consommation électrique and score de minage domestique and niveau sonore. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Antminer T19 and Bitmain T21 (190TH) actually differ, with the gap quantified:
- Bitmain T21 (190TH) 126% more hashrate (84.0 vs 190.0 TH/s)
- Antminer T19 13% better power draw (3,150 vs 3,610 W)
- Bitmain T21 (190TH) 49% better efficacité (37.5 vs 19.0 J/TH)
- Antminer T19 1% better noise (75.0 vs 76.0 dB)
- Antminer T19 12% better weight (14.4 vs 16.4 kg)
- Bitmain T21 (190TH) 15% more heat output (10,748 vs 12,317 BTU/hr)
- Antminer T19 265% more score de minage domestique (84.0 vs 23.0)
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 T19 | Metric | Bitmain T21 (190TH) |
|---|---|---|
| $1,800 | Upfront cost (MSRP) | $1,700 |
| -$4.54 | Daily net profit | -$1.83 |
| -$3,456 | Net after 1 year | -$2,366 |
| -$5,112 | Net after 2 years | -$3,033 |
| -$6,768 | Net after 3 years | -$3,699 |
| 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
Antminer T19Score: 84/100. 75 dB noise level.
Best for Efficiency
Bitmain T21 (190TH)19.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer T19 or Bitmain T21 (190TH) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain T21 (190TH) is more profitable at $-1.83/day compared to $-4.54/day for the Antminer T19. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer T19 or Bitmain T21 (190TH)?
The Antminer T19 is quieter at 75 dB compared to the Bitmain T21 (190TH) at 76 dB. For home mining, lower noise levels make a significant difference in livability.
Antminer T19 vs Bitmain T21 (190TH): which fits a residential setup better?
The Antminer T19 scores 84/100 on our Home Mining Score (vs 23/100 for the Bitmain T21 (190TH)). 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 T19 and Bitmain T21 (190TH)?
The Antminer T19 runs at 37.5 J/TH while the Bitmain T21 (190TH) runs at 19.0 J/TH — a difference of 18.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 49% better efficacité (37.5 vs 19.0 J/TH).