Antminer S21 vs Whatsminer M60S
Side-by-side specs, profitability, and home mining comparison.
Quick verdict
For most buyers the Antminer S21 is the stronger pick — Slightly better efficiency in most configurations, plus wider aftermarket support. The Antminer S21 runs 200.0 TH/s at 17.5 J/TH; the Whatsminer M60S runs 186.0 TH/s at 18.7 J/TH.
Specs verified against the D-Central Mining Bible \xc2\xb7 June 2026
Specifications Comparison
| Antminer S21 | Specification | Whatsminer M60S |
|---|---|---|
| 200.0 TH/s | Taux de hachage | 186.0 TH/s |
| 3,500 W | Consommation électrique | 3,480 W |
| 17.5 J/TH | Efficiency | 18.7 J/TH |
| 75 dB | Niveau de bruit | 75 dB |
| 14.6 kg | Weight | 14.0 kg |
| 11,942 BTU/hr | BTU Output | 11,874 BTU/hr |
| 8/100 | Home Mining Score | 8/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Antminer S21
Whatsminer M60S
Based on BTC price of $64,758 and current network difficulty as of Jun 17, 2026. Actual results vary.
Verdict
The top flagship SHA-256 miners from the two biggest ASIC manufacturers. Bitmain's S21 versus MicroBT's M60S — a rivalry that defines the current mining generation.
Both are excellent current-generation miners with competitive efficiency. The S21 typically edges out the M60S on efficiency, but MicroBT's build quality and cooling system are highly regarded. Availability and price at time of purchase often decide the winner.
Spec Deltas
Stripped to the numbers, this is how far apart the Antminer S21 and Whatsminer M60S sit on each measurable spec:
- Antminer S21 8% more hashrate (200 vs 186 TH/s)
- Whatsminer M60S 1% better power draw (3,500 vs 3,480 W)
- Antminer S21 6% better efficacité (17.5 vs 18.7 J/TH)
- Whatsminer M60S 4% better weight (14.6 vs 14.0 kg)
- Antminer S21 1% more heat output (11,942 vs 11,874 BTU/hr)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Antminer S21 | Metric | Whatsminer M60S |
|---|---|---|
| $5,500 | Upfront cost (MSRP) | $5,500 |
| -$1.88 | Daily net profit | -$2.29 |
| -$6,187 | Net after 1 year | -$6,336 |
| -$6,875 | Net after 2 years | -$7,173 |
| -$7,562 | Net after 3 years | -$8,009 |
| 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
Antminer S2117.5 J/TH — lower electricity cost per terahash.
Foire aux questions
Is the Whatsminer M60S as reliable as the Antminer S21?
MicroBT has a strong reliability track record. The M60S cooling system is well-engineered. Both are excellent machines — choose based on price and availability.
Can D-Central repair Whatsminer units?
Yes. D-Central services the full MicroBT Whatsminer lineup alongside Bitmain Antminers, with board-level diagnostics and repair capabilities.
Which has better resale value?
Antminers historically have a larger secondary market due to higher unit sales, which can mean slightly better liquidity. However, Whatsminers hold value well.