NerdOctaxe Gamma vs MicroBT Whatsminer M21S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| NerdOctaxe Gamma | Specification | MicroBT Whatsminer M21S |
|---|---|---|
| 8.0 TH/s | Taux de hachage | 56.0 TH/s |
| 200 W | Consommation électrique | 3,360 W |
| 25.0 J/TH | Efficiency | 60.0 J/TH |
| 45 dB | Niveau de bruit | — |
| 0.8 kg | Weight | 12,500.0 kg |
| 682 BTU/hr | BTU Output | 11,464 BTU/hr |
| 61/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| D-Central | Manufacturer | MicroBT |
Profitability Comparison
NerdOctaxe Gamma
MicroBT Whatsminer M21S
Based on BTC price of $75,351 and current network difficulty as of May 27, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le NerdOctaxe Gamma l'emporte sur 4 des 6 facteurs (efficacité, consommation électrique, score de minage domestique, niveau sonore). Where it pulls away hardest is 94% better power draw (200 vs 3,360 W). The MicroBT Whatsminer M21S holds the edge in hashrate and rapport qualité-prix. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Stripped to the numbers, this is how far apart the NerdOctaxe Gamma and MicroBT Whatsminer M21S sit on each measurable spec:
- MicroBT Whatsminer M21S 600% more hashrate (8.0 vs 56.0 TH/s)
- NerdOctaxe Gamma 94% better power draw (200 vs 3,360 W)
- NerdOctaxe Gamma 58% better efficacité (25.0 vs 60.0 J/TH)
- NerdOctaxe Gamma 100% better weight (0.8 vs 12,500.0 kg)
- MicroBT Whatsminer M21S 1580% more heat output (682 vs 11,464 BTU/hr)
- NerdOctaxe Gamma 177% more score de minage domestique (61.0 vs 22.0)
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.
| NerdOctaxe Gamma | Metric | MicroBT Whatsminer M21S |
|---|---|---|
| $599 | Upfront cost (MSRP) | $650 |
| -$0.20 | Daily net profit | -$6.12 |
| -$673 | Net after 1 year | -$2,885 |
| -$747 | Net after 2 years | -$5,119 |
| -$821 | Net after 3 years | -$7,354 |
| 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
NerdOctaxe GammaScore: 61/100. 45 dB noise level.
Best for Efficiency
NerdOctaxe Gamma25.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the NerdOctaxe Gamma or MicroBT Whatsminer M21S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the NerdOctaxe Gamma is more profitable at $-0.20/day compared to $-6.12/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 NerdOctaxe Gamma or MicroBT Whatsminer M21S?
The NerdOctaxe Gamma is quieter at 45 dB compared to the MicroBT Whatsminer M21S at 0 dB. For home mining, lower noise levels make a significant difference in livability.
NerdOctaxe Gamma vs MicroBT Whatsminer M21S: which fits a residential setup better?
The NerdOctaxe Gamma scores 61/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M21S). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the NerdOctaxe Gamma and MicroBT Whatsminer M21S on J/TH?
The NerdOctaxe Gamma runs at 25.0 J/TH while the MicroBT Whatsminer M21S runs at 60.0 J/TH — a difference of 35.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 58% better efficacité (25.0 vs 60.0 J/TH).