Bitmain Antminer KS3 (8.3Th) vs Antminer KS5 Pro
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KS3 (8.3Th) | Specification | Antminer KS5 Pro |
|---|---|---|
| 8.3 TH/s | Hashrate | 21.0 TH/s |
| 3,188 W | Power Consumption | 3,150 W |
| 384.1 J/TH | Efficiency | 150.0 J/TH |
| — | Noise Level | 75 dB |
| — | Weight | 14.5 kg |
| 10,878 BTU/hr | BTU Output | 10,748 BTU/hr |
| 22/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer KS3 (8.3Th)
Antminer KS5 Pro
Based on BTC price of $71,142 and current network difficulty as of Mar 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Antminer KS5 Pro wins on 5 of 6 factors (efficiency, hashrate, power consumption, home mining score, noise level). The Bitmain Antminer KS3 (8.3Th) holds the edge in price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Antminer KS5 ProScore: 36/100. 75 dB noise level.
Best for Efficiency
Antminer KS5 Pro150.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer KS3 (8.3Th) or Antminer KS5 Pro more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer KS5 Pro is more profitable at $-6.91/day compared to $-7.40/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.
Which is quieter, the Bitmain Antminer KS3 (8.3Th) or Antminer KS5 Pro?
The Antminer KS5 Pro is quieter at 75 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 Pro?
The Antminer KS5 Pro scores 36/100 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.
What is the efficiency difference between Bitmain Antminer KS3 (8.3Th) and Antminer KS5 Pro?
The Bitmain Antminer KS3 (8.3Th) runs at 384.1 J/TH while the Antminer KS5 Pro 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.