Bitmain Antminer S19 XP (134Th/s) vs Antminer T21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19 XP (134Th/s) | Specification | Antminer T21 |
|---|---|---|
| 134.0 TH/s | Taux de hachage | 190.0 TH/s |
| 2,881 W | Consommation électrique | 3,610 W |
| 21.5 J/TH | Efficiency | 19.0 J/TH |
| — | Niveau de bruit | 75 dB |
| 14.4 kg | Weight | 14.6 kg |
| 9,830 BTU/hr | BTU Output | 12,317 BTU/hr |
| 22/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S19 XP (134Th/s)
Antminer T21
Based on BTC price of $62,980 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Antminer T21 comes out ahead — it takes 4 of 6 (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 42% more hashrate (134 vs 190 TH/s). That said, the Bitmain Antminer S19 XP (134Th/s) isn't beaten everywhere — it still wins consommation électrique and rapport qualité-prix. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain Antminer S19 XP (134Th/s) and Antminer T21 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer T21 42% more hashrate (134 vs 190 TH/s)
- Bitmain Antminer S19 XP (134Th/s) 20% better power draw (2,881 vs 3,610 W)
- Antminer T21 12% better efficacité (21.5 vs 19.0 J/TH)
- Bitmain Antminer S19 XP (134Th/s) 1% better weight (14.4 vs 14.6 kg)
- Antminer T21 25% more heat output (9,830 vs 12,317 BTU/hr)
- Antminer T21 36% more score de minage domestique (22.0 vs 30.0)
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.
| Bitmain Antminer S19 XP (134Th/s) | Metric | Antminer T21 |
|---|---|---|
| $483 | Upfront cost (MSRP) | $4,200 |
| -$3.10 | Daily net profit | -$3.25 |
| -$1,613 | Net after 1 year | -$5,386 |
| -$2,743 | Net after 2 years | -$6,573 |
| -$3,874 | Net after 3 years | -$7,759 |
| 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 T21Score: 30/100. 75 dB noise level.
Best for Efficiency
Antminer T2119.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S19 XP (134Th/s) or the Antminer T21?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S19 XP (134Th/s) is more profitable at $-3.10/day compared to $-3.25/day for the Antminer T21. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S19 XP (134Th/s) vs Antminer T21: which runs at a lower noise level?
The Antminer T21 is quieter at 75 dB compared to the Bitmain Antminer S19 XP (134Th/s) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Bitmain Antminer S19 XP (134Th/s) or the Antminer T21?
The Antminer T21 scores 30/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S19 XP (134Th/s)). 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 S19 XP (134Th/s) and Antminer T21?
The Bitmain Antminer S19 XP (134Th/s) runs at 21.5 J/TH while the Antminer T21 runs at 19.0 J/TH — a difference of 2.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 12% better efficacité (21.5 vs 19.0 J/TH).