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 | Taux de hachage | 21.0 TH/s |
| 3,000 W | Consommation électrique | 3,150 W |
| 150.0 J/TH | Efficiency | 150.0 J/TH |
| 75 dB | Niveau de bruit | 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 | Algorithme | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Bitmain Antminer KS5 (20Th)
Bitmain Antminer KS5 Pro (21Th)
Based on BTC price of $78,217 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer KS5 (20Th) l'emporte sur 2 des 3 facteurs (consommation électrique, rapport qualité-prix). Its biggest concrete edge: 5% better power draw (3,000 vs 3,150 W). The Bitmain Antminer KS5 Pro (21Th) claws back ground on hashrate. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
Stripped to the numbers, this is how far apart the Bitmain Antminer KS5 (20Th) and Bitmain Antminer KS5 Pro (21Th) sit on each measurable spec:
- Bitmain Antminer KS5 Pro (21Th) 5% more hashrate (20.0 vs 21.0 TH/s)
- Bitmain Antminer KS5 (20Th) 5% better power draw (3,000 vs 3,150 W)
- Bitmain Antminer KS5 Pro (21Th) 5% more heat output (10,236 vs 10,748 BTU/hr)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitmain Antminer KS5 (20Th) | Metric | Bitmain Antminer KS5 Pro (21Th) |
|---|---|---|
| $799 | Upfront cost (MSRP) | $860 |
| -$6.48 | Daily net profit | -$6.80 |
| -$3,164 | Net after 1 year | -$3,344 |
| -$5,529 | Net after 2 years | -$5,827 |
| -$7,895 | Net after 3 years | -$8,311 |
| 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
TieBoth miners are equally suitable for home use.
Best for Efficiency
TieBoth miners have comparable efficiency.
Frequently Asked Questions
Bitmain Antminer KS5 (20Th) vs Bitmain Antminer KS5 Pro (21Th): which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer KS5 (20Th) is more profitable at $-6.48/day compared to $-6.80/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.
Bitmain Antminer KS5 (20Th) vs Bitmain Antminer KS5 Pro (21Th): which runs at a lower noise level?
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.
How far apart are the Bitmain Antminer KS5 (20Th) and Bitmain Antminer KS5 Pro (21Th) on J/TH?
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.