Bitmain Antminer S19j Pro (100Th) vs Antminer T21
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19j Pro (100Th) | Specification | Antminer T21 |
|---|---|---|
| 100.0 TH/s | Taux de hachage | 190.0 TH/s |
| 3,050 W | Consommation électrique | 3,610 W |
| 30.5 J/TH | Efficiency | 19.0 J/TH |
| — | Niveau de bruit | 75 dB |
| 13.2 kg | Weight | 14.6 kg |
| 10,407 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 S19j Pro (100Th)
Antminer T21
Based on BTC price of $62,980 and current network difficulty as of Jun 4, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Antminer T21 edges it: 4 of 6 factors go its way (efficacité, hashrate, score de minage domestique, niveau sonore). Its biggest concrete edge: 90% more hashrate (100 vs 190 TH/s). The Bitmain Antminer S19j Pro (100Th) holds the edge in consommation électrique and rapport qualité-prix. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer S19j Pro (100Th) and Antminer T21 sit on each measurable spec:
- Antminer T21 90% more hashrate (100 vs 190 TH/s)
- Bitmain Antminer S19j Pro (100Th) 16% better power draw (3,050 vs 3,610 W)
- Antminer T21 38% better efficacité (30.5 vs 19.0 J/TH)
- Bitmain Antminer S19j Pro (100Th) 10% better weight (13.2 vs 14.6 kg)
- Antminer T21 18% more heat output (10,407 vs 12,317 BTU/hr)
- Antminer T21 36% more score de minage domestique (22.0 vs 30.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Bitmain Antminer S19j Pro (100Th) | Metric | Antminer T21 |
|---|---|---|
| $600 | Upfront cost (MSRP) | $4,200 |
| -$4.47 | Daily net profit | -$3.25 |
| -$2,232 | Net after 1 year | -$5,386 |
| -$3,864 | Net after 2 years | -$6,573 |
| -$5,495 | 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
Is the Bitmain Antminer S19j Pro (100Th) or Antminer T21 more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer T21 is more profitable at $-3.25/day compared to $-4.47/day for the Bitmain Antminer S19j Pro (100Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S19j Pro (100Th) or Antminer T21?
The Antminer T21 is quieter at 75 dB compared to the Bitmain Antminer S19j Pro (100Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S19j Pro (100Th) vs Antminer T21: which fits a residential setup better?
The Antminer T21 scores 30/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer S19j Pro (100Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer S19j Pro (100Th) and Antminer T21 on J/TH?
The Bitmain Antminer S19j Pro (100Th) runs at 30.5 J/TH while the Antminer T21 runs at 19.0 J/TH — a difference of 11.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 38% better efficacité (30.5 vs 19.0 J/TH).