Antminer KS3 vs Bitmain Antminer S23 Immersion (442Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer S23 Immersion (442Th) |
|---|---|---|
| 9.4 TH/s | Hashrate | 442.0 TH/s |
| 3,500 W | Power Consumption | 5,304 W |
| 372.3 J/TH | Efficiency | 12.0 J/TH |
| 75 dB | Noise Level | 50 dB |
| 16.1 kg | Weight | 17.2 kg |
| 11,942 BTU/hr | BTU Output | 18,097 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 Immersion (442Th)
Based on BTC price of $79,027 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S23 Immersion (442Th) wins on 5 of 6 factors (efficiency, hashrate, home mining score, noise level, price-performance). Its biggest concrete edge: 4602% more hashrate (9.4 vs 442.0 TH/s). 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
The Antminer KS3 and Bitmain Antminer S23 Immersion (442Th) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S23 Immersion (442Th) 4602% more hashrate (9.4 vs 442.0 TH/s)
- Antminer KS3 34% better power draw (3,500 vs 5,304 W)
- Bitmain Antminer S23 Immersion (442Th) 97% better efficiency (372.3 vs 12.0 J/TH)
- Bitmain Antminer S23 Immersion (442Th) 33% better noise (75.0 vs 50.0 dB)
- Antminer KS3 6% better weight (16.1 vs 17.2 kg)
- Bitmain Antminer S23 Immersion (442Th) 52% more heat output (11,942 vs 18,097 BTU/hr)
- Bitmain Antminer S23 Immersion (442Th) 22% more home mining score (36.0 vs 44.0)
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.
| Antminer KS3 | Metric | Bitmain Antminer S23 Immersion (442Th) |
|---|---|---|
| $8,000 | Upfront cost (MSRP) | $8,800 |
| -$8.06 | Daily net profit | $3.34 |
| -$10,941 | Net after 1 year | -$7,579 |
| -$13,882 | Net after 2 years | -$6,358 |
| -$16,824 | Net after 3 years | -$5,138 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~7.2 years to pay back 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 Immersion (442Th)$11.40/day higher profit at current rates.
Best for Home Mining
Bitmain Antminer S23 Immersion (442Th)Score: 44/100. 50 dB noise level.
Best for Efficiency
Bitmain Antminer S23 Immersion (442Th)12.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer KS3 or the Bitmain Antminer S23 Immersion (442Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S23 Immersion (442Th) is more profitable at $3.34/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 Bitmain Antminer S23 Immersion (442Th)?
The Bitmain Antminer S23 Immersion (442Th) 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 Immersion (442Th): which fits a residential setup better?
The Bitmain Antminer S23 Immersion (442Th) 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 Bitmain Antminer S23 Immersion (442Th) on J/TH?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer S23 Immersion (442Th) runs at 12.0 J/TH — a difference of 360.3 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 12.0 J/TH).