Antminer Slim Edition (S9) vs Whatsminer M50
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Antminer Slim Edition (S9) | Specification | Whatsminer M50 |
|---|---|---|
| 12.0 TH/s | Hashrate | 114.0 TH/s |
| 1,100 W | Power Consumption | 3,306 W |
| 91.7 J/TH | Efficiency | 29.0 J/TH |
| 65 dB | Noise Level | 75 dB |
| 3.5 kg | Weight | 12.5 kg |
| 3,753 BTU/hr | BTU Output | 11,280 BTU/hr |
| 52/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| D-Central | Manufacturer | MicroBT |
Profitability Comparison
Antminer Slim Edition (S9)
Whatsminer M50
Based on BTC price of $79,240 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Whatsminer M50 comes out ahead — it takes 3 of 6 (efficiency, hashrate, price-performance). Where it pulls away hardest is 850% more hashrate (12.0 vs 114.0 TH/s). That said, the Antminer Slim Edition (S9) isn't beaten everywhere — it still wins power consumption and home mining score and noise level. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Antminer Slim Edition (S9) and Whatsminer M50 diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Whatsminer M50 850% more hashrate (12.0 vs 114.0 TH/s)
- Antminer Slim Edition (S9) 67% better power draw (1,100 vs 3,306 W)
- Whatsminer M50 68% better efficiency (91.7 vs 29.0 J/TH)
- Antminer Slim Edition (S9) 13% better noise (65.0 vs 75.0 dB)
- Antminer Slim Edition (S9) 72% better weight (3.5 vs 12.5 kg)
- Whatsminer M50 201% more heat output (3,753 vs 11,280 BTU/hr)
- Antminer Slim Edition (S9) 44% more home mining score (52.0 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 Slim Edition (S9) | Metric | Whatsminer M50 |
|---|---|---|
| $350 | Upfront cost (MSRP) | $2,600 |
| -$2.19 | Daily net profit | -$3.65 |
| -$1,149 | Net after 1 year | -$3,931 |
| -$1,948 | Net after 2 years | -$5,263 |
| -$2,747 | Net after 3 years | -$6,594 |
| 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
Antminer Slim Edition (S9)Score: 52/100. 65 dB noise level.
Best for Efficiency
Whatsminer M5029.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Antminer Slim Edition (S9) or the Whatsminer M50?
At the current BTC price and a $0.10/kWh electricity rate, the Antminer Slim Edition (S9) is more profitable at $-2.19/day compared to $-3.65/day for the Whatsminer M50. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Antminer Slim Edition (S9) or Whatsminer M50?
The Antminer Slim Edition (S9) is quieter at 65 dB compared to the Whatsminer M50 at 75 dB. For home mining, lower noise levels make a significant difference in livability.
For mining at home, should I pick the Antminer Slim Edition (S9) or the Whatsminer M50?
The Antminer Slim Edition (S9) scores 52/100 on our Home Mining Score (vs 36/100 for the Whatsminer M50). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Antminer Slim Edition (S9) vs Whatsminer M50: how much does the efficiency gap matter?
The Antminer Slim Edition (S9) runs at 91.7 J/TH while the Whatsminer M50 runs at 29.0 J/TH — a difference of 62.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 68% better efficiency (91.7 vs 29.0 J/TH).