Bitmain Antminer S19 Pro+ Hyd (198Th) vs MicroBT Whatsminer M21S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitmain Antminer S19 Pro+ Hyd (198Th) | Specification | MicroBT Whatsminer M21S |
|---|---|---|
| 198.0 TH/s | Hashrate | 56.0 TH/s |
| 5,445 W | Power Consumption | 3,360 W |
| 27.5 J/TH | Efficiency | 60.0 J/TH |
| — | Noise Level | — |
| 17,500.0 kg | Weight | 12,500.0 kg |
| 18,578 BTU/hr | BTU Output | 11,464 BTU/hr |
| 16/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitmain | Manufacturer | MicroBT |
Profitability Comparison
Bitmain Antminer S19 Pro+ Hyd (198Th)
MicroBT Whatsminer M21S
Based on BTC price of $79,051 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Run the numbers across every spec and the Bitmain Antminer S19 Pro+ Hyd (198Th) edges it: 3 of 5 factors go its way (efficiency, hashrate, price-performance). The standout gap is 254% more hashrate (198.0 vs 56.0 TH/s) in the Bitmain Antminer S19 Pro+ Hyd (198Th)'s favour. The MicroBT Whatsminer M21S holds the edge in power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
The Bitmain Antminer S19 Pro+ Hyd (198Th) and MicroBT Whatsminer M21S diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S19 Pro+ Hyd (198Th) 254% more hashrate (198.0 vs 56.0 TH/s)
- MicroBT Whatsminer M21S 38% better power draw (5,445 vs 3,360 W)
- Bitmain Antminer S19 Pro+ Hyd (198Th) 54% better efficiency (27.5 vs 60.0 J/TH)
- MicroBT Whatsminer M21S 29% better weight (17,500 vs 12,500 kg)
- Bitmain Antminer S19 Pro+ Hyd (198Th) 62% more heat output (18,578 vs 11,464 BTU/hr)
- MicroBT Whatsminer M21S 38% more home mining score (16.0 vs 22.0)
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.
| Bitmain Antminer S19 Pro+ Hyd (198Th) | Metric | MicroBT Whatsminer M21S |
|---|---|---|
| $1,141 | Upfront cost (MSRP) | $650 |
| -$5.87 | Daily net profit | -$6.03 |
| -$3,282 | Net after 1 year | -$2,850 |
| -$5,422 | Net after 2 years | -$5,050 |
| -$7,563 | Net after 3 years | -$7,249 |
| 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
MicroBT Whatsminer M21SScore: 22/100. 0 dB noise level.
Best for Efficiency
Bitmain Antminer S19 Pro+ Hyd (198Th)27.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitmain Antminer S19 Pro+ Hyd (198Th) vs MicroBT Whatsminer M21S: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S19 Pro+ Hyd (198Th) is more profitable at $-5.87/day compared to $-6.03/day for the MicroBT Whatsminer M21S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitmain Antminer S19 Pro+ Hyd (198Th) or MicroBT Whatsminer M21S?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitmain Antminer S19 Pro+ Hyd (198Th) vs MicroBT Whatsminer M21S: which fits a residential setup better?
The MicroBT Whatsminer M21S scores 22/100 on our Home Mining Score (vs 16/100 for the Bitmain Antminer S19 Pro+ Hyd (198Th)). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Bitmain Antminer S19 Pro+ Hyd (198Th) vs MicroBT Whatsminer M21S: how much does the efficiency gap matter?
The Bitmain Antminer S19 Pro+ Hyd (198Th) runs at 27.5 J/TH while the MicroBT Whatsminer M21S runs at 60.0 J/TH — a difference of 32.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 54% better efficiency (27.5 vs 60.0 J/TH).
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