Antminer KS3 vs Bitmain Antminer S5
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer S5 |
|---|---|---|
| 9.4 TH/s | Taux de hachage | 1.2 TH/s |
| 3,500 W | Consommation électrique | 590 W |
| 372.3 J/TH | Efficiency | 510.8 J/TH |
| 75 dB | Niveau de bruit | — |
| 16.1 kg | Weight | — |
| 11,942 BTU/hr | BTU Output | 2,013 BTU/hr |
| 36/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| KHeavyHash | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer S5
Based on BTC price of $78,236 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Antminer KS3 l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Where it pulls away hardest is 714% more hashrate (9.4 vs 1.2 TH/s). That said, the Bitmain Antminer S5 isn't beaten everywhere — it still wins consommation électrique. 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 S5 sit on each measurable spec:
- Antminer KS3 714% more hashrate (9.4 vs 1.2 TH/s)
- Bitmain Antminer S5 83% better power draw (3,500 vs 590 W)
- Antminer KS3 27% better efficacité (372 vs 511 J/TH)
- Antminer KS3 493% more heat output (11,942 vs 2,013 BTU/hr)
- Antminer KS3 20% more score de minage domestique (36.0 vs 30.0)
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 S5 |
|---|---|---|
| $8,000 | Upfront cost (MSRP) | — |
| -$8.06 | Daily net profit | -$1.37 |
| -$10,942 | Net after 1 year | -$502 |
| -$13,885 | Net after 2 years | -$1,003 |
| -$16,827 | Net after 3 years | -$1,505 |
| Does not pay back at current rates (negative daily profit) | Payback period | — |
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
Antminer KS3372.3 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Antminer KS3 vs Bitmain Antminer S5: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S5 is more profitable at $-1.37/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.
Antminer KS3 vs Bitmain Antminer S5: which runs at a lower noise level?
The Antminer KS3 is quieter at 75 dB compared to the Bitmain Antminer S5 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Antminer KS3 or Bitmain Antminer S5?
The Antminer KS3 scores 36/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer S5). 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 S5 on J/TH?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer S5 runs at 510.8 J/TH — a difference of 138.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 27% better efficacité (372 vs 511 J/TH).