Bitmain Antminer S9k (13.5Th) vs Whatsminer M50S+
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S9k (13.5Th) | Specification | Whatsminer M50S+ |
|---|---|---|
| 13.5 TH/s | Hashrate | 138.0 TH/s |
| 1,310 W | Power Consumption | 3,276 W |
| 97.0 J/TH | Efficiency | 23.7 J/TH |
| — | Noise Level | 75 dB |
| 4,200.0 kg | Weight | 13.0 kg |
| 4,470 BTU/hr | BTU Output | 11,178 BTU/hr |
| 31/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S9k (13.5Th)
Whatsminer M50S+
Based on BTC price of $77,338 and current network difficulty as of Apr 25, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Whatsminer M50S+ wins on 5 of 6 factors (efficiency, hashrate, home mining score, noise level, price-performance). The Bitmain Antminer S9k (13.5Th) holds the edge in power consumption. 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
Whatsminer M50S+Score: 36/100. 75 dB noise level.
Best for Efficiency
Whatsminer M50S+23.7 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitmain Antminer S9k (13.5Th) or Whatsminer M50S+ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S9k (13.5Th) is more profitable at $-2.66/day compared to $-2.91/day for the Whatsminer M50S+. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S9k (13.5Th) or Whatsminer M50S+?
The Whatsminer M50S+ is quieter at 75 dB compared to the Bitmain Antminer S9k (13.5Th) at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitmain Antminer S9k (13.5Th) or Whatsminer M50S+?
The Whatsminer M50S+ scores 36/100 on our Home Mining Score (vs 31/100 for the Bitmain Antminer S9k (13.5Th)). 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 S9k (13.5Th) and Whatsminer M50S+?
The Bitmain Antminer S9k (13.5Th) runs at 97.0 J/TH while the Whatsminer M50S+ runs at 23.7 J/TH — a difference of 73.3 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.