Bitmain Antminer S19 XP Hyd (257Th) vs Bitmain T21 (190TH)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19 XP Hyd (257Th) | Specification | Bitmain T21 (190TH) |
|---|---|---|
| 257.0 TH/s | Hashrate | 190.0 TH/s |
| 5,346 W | Power Consumption | 3,610 W |
| 20.8 J/TH | Efficiency | 19.0 J/TH |
| — | Noise Level | 76 dB |
| — | Weight | 16.4 kg |
| 18,241 BTU/hr | BTU Output | 12,317 BTU/hr |
| 16/100 | Home Mining Score | 23/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer S19 XP Hyd (257Th)
Bitmain T21 (190TH)
Based on BTC price of $79,245 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain T21 (190TH) edges it: 4 of 6 factors go its way (efficiency, power consumption, home mining score, noise level). The standout gap is 32% better power draw (5,346 vs 3,610 W) in the Bitmain T21 (190TH)'s favour. That said, the Bitmain Antminer S19 XP Hyd (257Th) isn't beaten everywhere — it still wins hashrate and price-performance. 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 S19 XP Hyd (257Th) and Bitmain T21 (190TH) sit on each measurable spec:
- Bitmain Antminer S19 XP Hyd (257Th) 35% more hashrate (257 vs 190 TH/s)
- Bitmain T21 (190TH) 32% better power draw (5,346 vs 3,610 W)
- Bitmain T21 (190TH) 9% better efficiency (20.8 vs 19.0 J/TH)
- Bitmain Antminer S19 XP Hyd (257Th) 48% more heat output (18,241 vs 12,317 BTU/hr)
- Bitmain T21 (190TH) 44% more home mining score (16.0 vs 23.0)
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 S19 XP Hyd (257Th) | Metric | Bitmain T21 (190TH) |
|---|---|---|
| $1,059 | Upfront cost (MSRP) | $1,700 |
| -$3.46 | Daily net profit | -$1.74 |
| -$2,321 | Net after 1 year | -$2,333 |
| -$3,584 | Net after 2 years | -$2,967 |
| -$4,846 | Net after 3 years | -$3,600 |
| 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
Bitmain T21 (190TH)Score: 23/100. 76 dB noise level.
Best for Efficiency
Bitmain T21 (190TH)19.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Bitmain Antminer S19 XP Hyd (257Th) or the Bitmain T21 (190TH)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain T21 (190TH) is more profitable at $-1.74/day compared to $-3.46/day for the Bitmain Antminer S19 XP Hyd (257Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer S19 XP Hyd (257Th) vs Bitmain T21 (190TH): which runs at a lower noise level?
The Bitmain T21 (190TH) is quieter at 76 dB compared to the Bitmain Antminer S19 XP Hyd (257Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Bitmain Antminer S19 XP Hyd (257Th) vs Bitmain T21 (190TH): which fits a residential setup better?
The Bitmain T21 (190TH) scores 23/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S19 XP Hyd (257Th)). 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 S19 XP Hyd (257Th) and Bitmain T21 (190TH) on J/TH?
The Bitmain Antminer S19 XP Hyd (257Th) runs at 20.8 J/TH while the Bitmain T21 (190TH) runs at 19.0 J/TH — a difference of 1.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 9% better efficiency (20.8 vs 19.0 J/TH).
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