Bitmain Antminer KS3 (8.3Th) vs Antminer KS5
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KS3 (8.3Th) | Specification | Antminer KS5 |
|---|---|---|
| 8.3 TH/s | Taux de hachage | 20.0 TH/s |
| 3,188 W | Consommation électrique | 3,000 W |
| 384.1 J/TH | Efficiency | 150.0 J/TH |
| — | Niveau de bruit | 76 dB |
| — | Weight | 15.8 kg |
| 10,878 BTU/hr | BTU Output | 10,236 BTU/hr |
| 22/100 | Home Mining Score | 29/100 |
| — | Release Year | — |
| KHeavyHash | Algorithme | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer KS3 (8.3Th)
Antminer KS5
Based on BTC price of $78,241 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Antminer KS5, which leads on 5 of 6 weighted factors (efficacité, hashrate, consommation électrique, score de minage domestique, niveau sonore). The standout gap is 61% better efficacité (384 vs 150 J/TH) in the Antminer KS5's favour. That said, the Bitmain Antminer KS3 (8.3Th) isn't beaten everywhere — it still wins rapport qualité-prix. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Bitmain Antminer KS3 (8.3Th) and Antminer KS5 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer KS5 141% more hashrate (8.3 vs 20.0 TH/s)
- Antminer KS5 6% better power draw (3,188 vs 3,000 W)
- Antminer KS5 61% better efficacité (384 vs 150 J/TH)
- Bitmain Antminer KS3 (8.3Th) 6% more heat output (10,878 vs 10,236 BTU/hr)
- Antminer KS5 32% more score de minage domestique (22.0 vs 29.0)
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.
| Bitmain Antminer KS3 (8.3Th) | Metric | Antminer KS5 |
|---|---|---|
| $3,850 | Upfront cost (MSRP) | $12,000 |
| -$7.35 | Daily net profit | -$6.48 |
| -$6,534 | Net after 1 year | -$14,365 |
| -$9,217 | Net after 2 years | -$16,730 |
| -$11,901 | Net after 3 years | -$19,095 |
| 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 KS5Score: 29/100. 76 dB noise level.
Best for Efficiency
Antminer KS5150.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer KS3 (8.3Th) vs Antminer KS5: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer KS5 is more profitable at $-6.48/day compared to $-7.35/day for the Bitmain Antminer KS3 (8.3Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Bitmain Antminer KS3 (8.3Th) vs Antminer KS5: which runs at a lower noise level?
The Antminer KS5 is quieter at 76 dB compared to the Bitmain Antminer KS3 (8.3Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer KS3 (8.3Th) or Antminer KS5?
The Antminer KS5 scores 29/100 on our Home Mining Score (vs 22/100 for the Bitmain Antminer KS3 (8.3Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitmain Antminer KS3 (8.3Th) and Antminer KS5 on J/TH?
The Bitmain Antminer KS3 (8.3Th) runs at 384.1 J/TH while the Antminer KS5 runs at 150.0 J/TH — a difference of 234.1 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 61% better efficacité (384 vs 150 J/TH).