Antminer KS3 vs Bitmain Antminer S23
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer S23 |
|---|---|---|
| 9.4 TH/s | Hashrate | 318.0 TH/s |
| 3,500 W | Power Consumption | 3,498 W |
| 372.3 J/TH | Efficiency | 11.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 16.1 kg | Weight | 14.5 kg |
| 11,942 BTU/hr | BTU Output | 11,935 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer S23
Based on BTC price of $78,185 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer S23 wins on 4 of 4 factors (efficiency, hashrate, power consumption, price-performance). The standout gap is 97% better efficiency (372.3 vs 11.0 J/TH) in the Bitmain Antminer S23's favour. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Antminer KS3 and Bitmain Antminer S23 actually differ, with the gap quantified:
- Bitmain Antminer S23 3283% more hashrate (9.4 vs 318.0 TH/s)
- Bitmain Antminer S23 97% better efficiency (372.3 vs 11.0 J/TH)
- Bitmain Antminer S23 10% better weight (16.1 vs 14.5 kg)
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 |
|---|---|---|
| $8,000 | Upfront cost (MSRP) | $4,999 |
| -$8.06 | Daily net profit | $3.05 |
| -$10,943 | Net after 1 year | -$3,887 |
| -$13,885 | Net after 2 years | -$2,775 |
| -$16,828 | Net after 3 years | -$1,663 |
| Does not pay back at current rates (negative daily profit) | Payback period | Takes ~4.5 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$11.11/day higher profit at current rates.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitmain Antminer S2311.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer KS3 or the Bitmain Antminer S23?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S23 is more profitable at $3.05/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?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Antminer KS3 vs Bitmain Antminer S23: which fits a residential setup better?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
How far apart are the Antminer KS3 and Bitmain Antminer S23 on J/TH?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer S23 runs at 11.0 J/TH — a difference of 361.3 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 11.0 J/TH).