Antminer KS3 vs Bitmain Antminer S23 Hyd 3U
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer S23 Hyd 3U |
|---|---|---|
| 9.4 TH/s | Hashrate | 1.2 PH/s |
| 3,500 W | Power Consumption | 11,020 W |
| 372.3 J/TH | Efficiency | 9.5 J/TH |
| 75 dB | Noise Level | 50 dB |
| 16.1 kg | Weight | — |
| 11,942 BTU/hr | BTU Output | 37,600 BTU/hr |
| 36/100 | Home Mining Score | 44/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer S23 Hyd 3U
Based on BTC price of $79,033 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S23 Hyd 3U wins on 5 of 6 factors (efficiency, hashrate, home mining score, noise level, price-performance). The standout gap is 12240% more hashrate (9.4 vs 1,160.0 TH/s) in the Bitmain Antminer S23 Hyd 3U's favour. That said, the Antminer KS3 isn't beaten everywhere — it still wins power consumption. 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 Antminer KS3 and Bitmain Antminer S23 Hyd 3U sit on each measurable spec:
- Bitmain Antminer S23 Hyd 3U 12240% more hashrate (9.4 vs 1,160.0 TH/s)
- Antminer KS3 68% better power draw (3,500 vs 11,020 W)
- Bitmain Antminer S23 Hyd 3U 97% better efficiency (372.3 vs 9.5 J/TH)
- Bitmain Antminer S23 Hyd 3U 33% better noise (75.0 vs 50.0 dB)
- Bitmain Antminer S23 Hyd 3U 215% more heat output (11,942 vs 37,600 BTU/hr)
- Bitmain Antminer S23 Hyd 3U 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 | Bitmain Antminer S23 Hyd 3U |
|---|---|---|
| $8,000 | Upfront cost (MSRP) | $7,988 |
| -$8.06 | Daily net profit | $15.74 |
| -$10,941 | Net after 1 year | -$2,243 |
| -$13,882 | Net after 2 years | +$3,503 |
| -$16,824 | Net after 3 years | +$9,248 |
| Does not pay back at current rates (negative daily profit) | Payback period | Pays for itself in ~17 months at current rates |
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
Bitmain Antminer S23 Hyd 3U$23.80/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S23 Hyd 3UScore: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S23 Hyd 3U9.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer KS3 or Bitmain Antminer S23 Hyd 3U more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S23 Hyd 3U is more profitable at $15.74/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.
Is the Antminer KS3 or the Bitmain Antminer S23 Hyd 3U better for noise-sensitive spaces?
The Bitmain Antminer S23 Hyd 3U 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.
Antminer KS3 vs Bitmain Antminer S23 Hyd 3U: which fits a residential setup better?
The Bitmain Antminer S23 Hyd 3U 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.
Antminer KS3 vs Bitmain Antminer S23 Hyd 3U: how much does the efficiency gap matter?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer S23 Hyd 3U runs at 9.5 J/TH — a difference of 362.8 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 97% better efficiency (372.3 vs 9.5 J/TH).