Bitmain Antminer HS3 vs Antminer KS3
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer HS3 | Specification | Antminer KS3 |
|---|---|---|
| 9.0 TH/s | Hashrate | 9.4 TH/s |
| 2,079 W | Power Consumption | 3,500 W |
| 231.0 J/TH | Efficiency | 372.3 J/TH |
| — | Noise Level | 75 dB |
| 16,100.0 kg | Weight | 16.1 kg |
| 7,094 BTU/hr | BTU Output | 11,942 BTU/hr |
| 26/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| Blake2b+sha3 | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer HS3
Antminer KS3
Based on BTC price of $76,769 and current network difficulty as of May 18, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitmain Antminer HS3 comes out ahead — it takes 3 of 6 (efficiency, power consumption, price-performance). The standout gap is 41% better power draw (2,079 vs 3,500 W) in the Bitmain Antminer HS3's favour. The Antminer KS3 holds the edge in hashrate and home mining score and noise level. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer HS3 and Antminer KS3 sit on each measurable spec:
- Antminer KS3 4% more hashrate (9.0 vs 9.4 TH/s)
- Bitmain Antminer HS3 41% better power draw (2,079 vs 3,500 W)
- Bitmain Antminer HS3 38% better efficiency (231 vs 372 J/TH)
- Antminer KS3 100% better weight (16,100.0 vs 16.1 kg)
- Antminer KS3 68% more heat output (7,094 vs 11,942 BTU/hr)
- Antminer KS3 38% more home mining score (26.0 vs 36.0)
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 HS3 | Metric | Antminer KS3 |
|---|---|---|
| $900 | Upfront cost (MSRP) | $8,000 |
| -$4.67 | Daily net profit | -$8.07 |
| -$2,605 | Net after 1 year | -$10,945 |
| -$4,310 | Net after 2 years | -$13,890 |
| -$6,015 | Net after 3 years | -$16,834 |
| 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 KS3Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer HS3231.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer HS3 vs Antminer KS3: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer HS3 is more profitable at $-4.67/day compared to $-8.07/day for the Antminer KS3. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitmain Antminer HS3 or the Antminer KS3 better for noise-sensitive spaces?
The Antminer KS3 is quieter at 75 dB compared to the Bitmain Antminer HS3 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 HS3 or the Antminer KS3?
The Antminer KS3 scores 36/100 on our Home Mining Score (vs 26/100 for the Bitmain Antminer HS3). 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 HS3 and Antminer KS3?
The Bitmain Antminer HS3 runs at 231.0 J/TH while the Antminer KS3 runs at 372.3 J/TH — a difference of 141.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 38% better efficiency (231 vs 372 J/TH).