Antminer KS3 vs Antminer S19 Pro+ Hyd
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Antminer S19 Pro+ Hyd |
|---|---|---|
| 9.4 TH/s | Hashrate | 198.0 TH/s |
| 3,500 W | Power Consumption | 5,445 W |
| 372.3 J/TH | Efficiency | 27.5 J/TH |
| 75 dB | Noise Level | 50 dB |
| 16.1 kg | Weight | 15.0 kg |
| 11,942 BTU/hr | BTU Output | 18,578 BTU/hr |
| 36/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Antminer S19 Pro+ Hyd
Based on BTC price of $79,067 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Antminer S19 Pro+ Hyd, which leads on 5 of 6 weighted factors (efficiency, hashrate, home mining score, noise level, price-performance). Its biggest concrete edge: 2006% more hashrate (9.4 vs 198.0 TH/s). The Antminer KS3 holds the edge in power consumption. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Here is every spec where the Antminer KS3 and Antminer S19 Pro+ Hyd actually differ, with the gap quantified:
- Antminer S19 Pro+ Hyd 2006% more hashrate (9.4 vs 198.0 TH/s)
- Antminer KS3 36% better power draw (3,500 vs 5,445 W)
- Antminer S19 Pro+ Hyd 93% better efficiency (372.3 vs 27.5 J/TH)
- Antminer S19 Pro+ Hyd 33% better noise (75.0 vs 50.0 dB)
- Antminer S19 Pro+ Hyd 7% better weight (16.1 vs 15.0 kg)
- Antminer S19 Pro+ Hyd 56% more heat output (11,942 vs 18,578 BTU/hr)
- Antminer S19 Pro+ Hyd 22% more home mining score (36.0 vs 44.0)
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 | Antminer S19 Pro+ Hyd |
|---|---|---|
| $8,000 | Upfront cost (MSRP) | $6,000 |
| -$8.06 | Daily net profit | -$5.86 |
| -$10,941 | Net after 1 year | -$8,140 |
| -$13,882 | Net after 2 years | -$10,281 |
| -$16,823 | Net after 3 years | -$12,421 |
| 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 S19 Pro+ HydScore: 44/100. 50 dB noise level.
Best for Efficiency
Antminer S19 Pro+ Hyd27.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer KS3 or the Antminer S19 Pro+ Hyd?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer S19 Pro+ Hyd is more profitable at $-5.86/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.
Which is quieter, the Antminer KS3 or Antminer S19 Pro+ Hyd?
The Antminer S19 Pro+ Hyd is quieter at 50 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 Antminer S19 Pro+ Hyd?
The Antminer S19 Pro+ Hyd scores 44/100 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.
How far apart are the Antminer KS3 and Antminer S19 Pro+ Hyd on J/TH?
The Antminer KS3 runs at 372.3 J/TH while the Antminer S19 Pro+ Hyd runs at 27.5 J/TH — a difference of 344.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 93% better efficiency (372.3 vs 27.5 J/TH).