Antminer KS3 vs Bitmain Antminer S7-LN
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS3 | Specification | Bitmain Antminer S7-LN |
|---|---|---|
| 9.4 TH/s | Taux de hachage | 2.7 TH/s |
| 3,500 W | Consommation électrique | 697 W |
| 372.3 J/TH | Efficiency | 258.2 J/TH |
| 75 dB | Niveau de bruit | — |
| 16.1 kg | Weight | 7,500.0 kg |
| 11,942 BTU/hr | BTU Output | 2,378 BTU/hr |
| 36/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| KHeavyHash | Algorithme | SHA-256 |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS3
Bitmain Antminer S7-LN
Based on BTC price of $78,278 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Le Antminer KS3 et le Bitmain Antminer S7-LN sont très proches sur l'ensemble de nos facteurs de notation, sans avantage décisif pour l'un ou l'autre. Votre choix devrait dépendre de vos priorités spécifiques — consultez les spécifications et l'analyse de rentabilité ci-dessus.
Spec Deltas
The Antminer KS3 and Bitmain Antminer S7-LN diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Antminer KS3 248% more hashrate (9.4 vs 2.7 TH/s)
- Bitmain Antminer S7-LN 80% better power draw (3,500 vs 697 W)
- Bitmain Antminer S7-LN 31% better efficacité (372 vs 258 J/TH)
- Antminer KS3 100% better weight (16.1 vs 7,500.0 kg)
- Antminer KS3 402% more heat output (11,942 vs 2,378 BTU/hr)
- Antminer KS3 20% more score de minage domestique (36.0 vs 30.0)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Antminer KS3 | Metric | Bitmain Antminer S7-LN |
|---|---|---|
| $8,000 | Upfront cost (MSRP) | — |
| -$8.06 | Daily net profit | -$1.58 |
| -$10,942 | Net after 1 year | -$575 |
| -$13,885 | Net after 2 years | -$1,150 |
| -$16,827 | Net after 3 years | -$1,725 |
| 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
Bitmain Antminer S7-LN258.2 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Antminer KS3 or Bitmain Antminer S7-LN more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S7-LN is more profitable at $-1.58/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 S7-LN?
The Antminer KS3 is quieter at 75 dB compared to the Bitmain Antminer S7-LN at 0 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer KS3 or the Bitmain Antminer S7-LN?
The Antminer KS3 scores 36/100 on our Home Mining Score (vs 30/100 for the Bitmain Antminer S7-LN). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer KS3 vs Bitmain Antminer S7-LN: how much does the efficiency gap matter?
The Antminer KS3 runs at 372.3 J/TH while the Bitmain Antminer S7-LN runs at 258.2 J/TH — a difference of 114.2 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 31% better efficacité (372 vs 258 J/TH).