Bitmain Antminer KS5 (20Th) vs Bitmain Antminer KS5 Pro (21Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KS5 (20Th) | Specification | Bitmain Antminer KS5 Pro (21Th) |
|---|---|---|
| 20.0 TH/s | Hashrate | 21.0 TH/s |
| 3,000 W | Power Consumption | 3,150 W |
| 150.0 J/TH | Efficiency | 150.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 15.8 kg | Weight | 15.8 kg |
| 10,236 BTU/hr | BTU Output | 10,748 BTU/hr |
| 36/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| KHeavyHash | Algorithm | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer KS5 (20Th)
Bitmain Antminer KS5 Pro (21Th)
Based on BTC price of $76,232 and current network difficulty as of Apr 30, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitmain Antminer KS5 (20Th) wins on 2 of 3 factors (power consumption, price-performance). The Bitmain Antminer KS5 Pro (21Th) holds the edge in hashrate. 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
TieBoth miners have comparable efficiency.
Frequently Asked Questions
Is the Bitmain Antminer KS5 (20Th) or Bitmain Antminer KS5 Pro (21Th) more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer KS5 (20Th) is more profitable at $-6.49/day compared to $-6.82/day for the Bitmain Antminer KS5 Pro (21Th). Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer KS5 (20Th) or Bitmain Antminer KS5 Pro (21Th)?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitmain Antminer KS5 (20Th) or Bitmain Antminer KS5 Pro (21Th)?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
What is the efficiency difference between Bitmain Antminer KS5 (20Th) and Bitmain Antminer KS5 Pro (21Th)?
The Bitmain Antminer KS5 (20Th) runs at 150.0 J/TH while the Bitmain Antminer KS5 Pro (21Th) runs at 150.0 J/TH — a difference of 0.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.