Bitmain Antminer KS5 Pro (21Th) vs SuperScalar K10
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer KS5 Pro (21Th) | Specification | SuperScalar K10 |
|---|---|---|
| 21.0 TH/s | Taux de hachage | 45.0 GH/s |
| 3,150 W | Consommation électrique | 1,845 W |
| 150.0 J/TH | Efficiency | 41,000.0 J/TH |
| 75 dB | Niveau de bruit | — |
| 15.8 kg | Weight | 8.3 kg |
| 10,748 BTU/hr | BTU Output | 6,295 BTU/hr |
| 36/100 | Home Mining Score | 28/100 |
| — | Release Year | — |
| KHeavyHash | Algorithme | KHeavyHash |
| Bitmain | Manufacturer | SuperScalar |
Profitability Comparison
Bitmain Antminer KS5 Pro (21Th)
SuperScalar K10
Based on BTC price of $78,217 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Our scoring model gives the nod to the Bitmain Antminer KS5 Pro (21Th), which leads on 5 of 6 weighted factors (efficacité, hashrate, score de minage domestique, niveau sonore, rapport qualité-prix). Where it pulls away hardest is 46567% more hashrate (21.0 vs 0.0 TH/s). That said, the SuperScalar K10 isn't beaten everywhere — it still wins consommation électrique. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain Antminer KS5 Pro (21Th) and SuperScalar K10 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer KS5 Pro (21Th) 46567% more hashrate (21.0 vs 0.0 TH/s)
- SuperScalar K10 41% better power draw (3,150 vs 1,845 W)
- Bitmain Antminer KS5 Pro (21Th) 100% better efficacité (150 vs 41,000 J/TH)
- SuperScalar K10 47% better weight (15.8 vs 8.3 kg)
- Bitmain Antminer KS5 Pro (21Th) 71% more heat output (10,748 vs 6,295 BTU/hr)
- Bitmain Antminer KS5 Pro (21Th) 29% more score de minage domestique (36.0 vs 28.0)
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 Pro (21Th) | Metric | SuperScalar K10 |
|---|---|---|
| $860 | Upfront cost (MSRP) | $5,200 |
| -$6.80 | Daily net profit | -$4.43 |
| -$3,344 | Net after 1 year | -$6,816 |
| -$5,827 | Net after 2 years | -$8,431 |
| -$8,311 | Net after 3 years | -$10,047 |
| 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
Bitmain Antminer KS5 Pro (21Th)150.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer KS5 Pro (21Th) vs SuperScalar K10: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the SuperScalar K10 is more profitable at $-4.43/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.
Which is quieter, the Bitmain Antminer KS5 Pro (21Th) or SuperScalar K10?
The Bitmain Antminer KS5 Pro (21Th) is quieter at 75 dB compared to the SuperScalar K10 at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer KS5 Pro (21Th) or SuperScalar K10?
The Bitmain Antminer KS5 Pro (21Th) scores 36/100 on our Home Mining Score (vs 28/100 for the SuperScalar K10). 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 KS5 Pro (21Th) and SuperScalar K10?
The Bitmain Antminer KS5 Pro (21Th) runs at 150.0 J/TH while the SuperScalar K10 runs at 41,000.0 J/TH — a difference of 40,850.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 100% better efficacité (150 vs 41,000 J/TH).