Antminer KS5 vs Bitmain Antminer KS5 Pro (21Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer KS5 | 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 |
| 76 dB | Niveau de bruit | 75 dB |
| 15.8 kg | Weight | 15.8 kg |
| 10,236 BTU/hr | BTU Output | 10,748 BTU/hr |
| 29/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| KHeavyHash | Algorithme | KHeavyHash |
| Bitmain | Manufacturer | Bitmain |
Profitability Comparison
Antminer KS5
Bitmain Antminer KS5 Pro (21Th)
Based on BTC price of $78,241 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer KS5 Pro (21Th) l'emporte sur 4 des 5 facteurs (hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Its biggest concrete edge: 5% more hashrate (20.0 vs 21.0 TH/s). That said, the Antminer KS5 isn't beaten everywhere — it still wins consommation électrique. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
Here is every spec where the Antminer KS5 and Bitmain Antminer KS5 Pro (21Th) actually differ, with the gap quantified:
- Bitmain Antminer KS5 Pro (21Th) 5% more hashrate (20.0 vs 21.0 TH/s)
- Antminer KS5 5% better power draw (3,000 vs 3,150 W)
- Bitmain Antminer KS5 Pro (21Th) 1% better noise (76.0 vs 75.0 dB)
- Bitmain Antminer KS5 Pro (21Th) 5% more heat output (10,236 vs 10,748 BTU/hr)
- Bitmain Antminer KS5 Pro (21Th) 24% more score de minage domestique (29.0 vs 36.0)
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.
| Antminer KS5 | Metric | Bitmain Antminer KS5 Pro (21Th) |
|---|---|---|
| $12,000 | Upfront cost (MSRP) | $860 |
| -$6.48 | Daily net profit | -$6.80 |
| -$14,365 | Net after 1 year | -$3,343 |
| -$16,730 | Net after 2 years | -$5,827 |
| -$19,095 | Net after 3 years | -$8,310 |
| 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
Bitmain Antminer KS5 Pro (21Th)Score: 36/100. 75 dB noise level.
Best for Efficiency
TieBoth miners have comparable efficiency.
Frequently Asked Questions
Which makes more money, the Antminer KS5 or the Bitmain Antminer KS5 Pro (21Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer KS5 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.
Is the Antminer KS5 or the Bitmain Antminer KS5 Pro (21Th) better for noise-sensitive spaces?
The Bitmain Antminer KS5 Pro (21Th) is quieter at 75 dB compared to the Antminer KS5 at 76 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer KS5 or the Bitmain Antminer KS5 Pro (21Th)?
The Bitmain Antminer KS5 Pro (21Th) scores 36/100 on our Home Mining Score (vs 29/100 for the Antminer KS5). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer KS5 vs Bitmain Antminer KS5 Pro (21Th): how much does the efficiency gap matter?
The Antminer KS5 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.