Antminer KS3 vs Bitmain Antminer T19 Hydro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer T19 Hydro |
|---|---|---|
| 9.4 TH/s | Hashrate | 158.0 TH/s |
| 3,500 W | Power Consumption | 5,451 W |
| 372.3 J/TH | Efficiency | 34.5 J/TH |
| 75 dB | Noise Level | 40 dB |
| 16.1 kg | Weight | 15.8 kg |
| 11,942 BTU/hr | BTU Output | 18,599 BTU/hr |
| 36/100 | Home Mining Score | 51/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer T19 Hydro
Based on BTC price of $79,213 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer T19 Hydro comes out ahead — it takes 4 of 5 (efficiency, hashrate, home mining score, noise level). Its biggest concrete edge: 1581% more hashrate (9.4 vs 158.0 TH/s). The Antminer KS3 holds the edge in power consumption. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Antminer KS3 and Bitmain Antminer T19 Hydro diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer T19 Hydro 1581% more hashrate (9.4 vs 158.0 TH/s)
- Antminer KS3 36% better power draw (3,500 vs 5,451 W)
- Bitmain Antminer T19 Hydro 91% better efficiency (372.3 vs 34.5 J/TH)
- Bitmain Antminer T19 Hydro 47% better noise (75.0 vs 40.0 dB)
- Bitmain Antminer T19 Hydro 2% better weight (16.1 vs 15.8 kg)
- Bitmain Antminer T19 Hydro 56% more heat output (11,942 vs 18,599 BTU/hr)
- Bitmain Antminer T19 Hydro 42% more home mining score (36.0 vs 51.0)
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 KS3 | Metric | Bitmain Antminer T19 Hydro |
|---|---|---|
| $8,000 | Upfront cost (MSRP) | — |
| -$8.06 | Daily net profit | -$7.32 |
| -$10,941 | Net after 1 year | -$2,673 |
| -$13,882 | Net after 2 years | -$5,346 |
| -$16,823 | Net after 3 years | -$8,019 |
| 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
Bitmain Antminer T19 HydroScore: 51/100. 40 dB noise level.
Best for Efficiency
Bitmain Antminer T19 Hydro34.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer KS3 vs Bitmain Antminer T19 Hydro: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer T19 Hydro is more profitable at $-7.32/day compared to $-8.06/day for the Antminer KS3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Antminer KS3 vs Bitmain Antminer T19 Hydro: which runs at a lower noise level?
The Bitmain Antminer T19 Hydro is quieter at 40 dB compared to the Antminer KS3 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer KS3 or Bitmain Antminer T19 Hydro?
The Bitmain Antminer T19 Hydro scores 51/100 on our Home Mining Score (vs 36/100 for the Antminer KS3). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer KS3 vs Bitmain Antminer T19 Hydro: how much does the efficiency gap matter?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer T19 Hydro runs at 34.5 J/TH — a difference of 337.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 91% better efficiency (372.3 vs 34.5 J/TH).