Mirka DEROS 550X
Score: 88/100
Festool ROTEX RO 90 DX
Score: 92/100Rankings
The Festool RO 90 DX is a professional-grade multi-mode sander that combines rotary, random orbital, and delta detail sanding in one tool. Its main limitation is the corded power design which restricts mobility compared to battery-operated alternatives. It is best suited for professional woodworkers and finishers needing versatile stock removal and polishing capabilities.
The Mirka DEROS 550X CV is a high-performance corded random orbital sander featuring a brushless motor and central vacuum readiness, designed for professional woodworkers. It delivers pneumatic-like power with low vibration and high efficiency, making it ideal for extended use on furniture, cabinets, and intricate detailing. The tool is best suited for users who prioritize dust-free performance and precision control.
| Attribute | | |
|---|---|---|
10,000 RPMbest | 7,000 RPM | |
120 Vbest | 120 Vbest | |
5 mmbest | 3.175 mm | |
2.9 A | 3.3 Abest | |
5 inbest | 3.5 in | |
| ↓ lower better | 3.2 m/s²best | — |
| ↓ lower better | 1.02 kgbest | 1.4 kg |
| ↓ lower better | 71 dBbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Sanding Performance(2) | ||
Orbit Diameter (mm) | 5 mm | 3.175 mm |
Pad Diameter (in) | 5 in | 3.5 in |
Ergonomics & Features(5) | ||
Dust Collection | Central Vacuum | Dust Extraction |
Tool Weight (kg) | 1.02 kg | 1.4 kg |
Noise Level (dB) | 71 dB | dB |
Soft Start | true | |
Pad Brake | false | |
Power & Performance(2) | ||
Motor Amperage (A) | 2.9 A | 3.3 A |
No-Load Speed (RPM) | 10000 RPM | 7000 RPM |
Products in the top-left offer the best value (high score, low price).
Professional testers and editors describe the Mirka DEROS 550X CV as a 'game-changer' for electric random orbitals. They praise its brushless motor for delivering pneumatic-like power and constant speed under load, while highlighting its low vibration and lightweight design as key factors for reducing fatigue during all-day use.
Everyday users and customers commonly praise the tool's lightweight feel, smooth operation, and impressive power for heavy loads. Many users compare it favorably to pneumatic sanders, particularly noting the comfort gained during long sessions when using Mirka dust extractors.
Professional reviewers describe the Festool 576263 as an engineering marvel that seamlessly switches between modes for aggressive material removal and brilliant polishing finishes.
Search results lack direct user reviews or forum discussions, so there is no recurring consumer sentiment or specific complaints.
