Mirka DEROS 550X
Score: 88/100
Bosch GEX12V-32N 4 inch
Score: 75/100Rankings
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.
The Bosch GEX12V-32N is a compact, cordless random orbital sander powered by a 12V brushless motor, designed specifically for precision spot sanding and detail work. It features a 32 mm sanding pad with a 5 mm orbit and variable speed control, making it ideal for automotive finishing and painted surface repairs. While it lacks a confirmed dust collection system, its compact size and tool-free pad swaps enhance usability for tight spaces.
| Attribute | | |
|---|---|---|
10,000 RPMbest | 8,000 RPM | |
120 Vbest | 12 V | |
5 mmbest | 5 mmbest | |
2.9 Abest | — | |
5 inbest | 1.26 in | |
| ↓ lower better | 3.2 m/s²best | — |
| ↓ lower better | 1.02 kg | 0.5 kgbest |
| ↓ lower better | 71 dBbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Sanding Performance(1) | ||
Pad Diameter (in) | 5 in | 1.26 in |
Ergonomics & Features(2) | ||
Dust Collection | Central Vacuum | Unknown |
Tool Weight (kg) | 1.02 kg | 0.5 kg |
Power & Performance(3) | ||
Power Source | Corded | Cordless |
Voltage (V) | 120 V | 12 V |
No-Load Speed (RPM) | 10000 RPM | 8000 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 and editors praise the Bosch GEX12V-32N for its exceptional power-to-size ratio and ergonomic design, noting that the brushless motor provides strong performance without user fatigue. The tool is highlighted for its precision in detail sanding, with some noting the compact orbital motion allows for high-precision work.
Everyday users and consumers report high satisfaction with the tool's smooth operation, balance, and ability to access tight spaces. Common praise includes the low vibration feel and efficient runtime for small tasks. Recurring complaints focus on the short battery life when using lower capacity batteries, with users frequently recommending upgrades to larger capacity batteries for more demanding jobs.
“Feels balanced with center of gravity at pad”
“Good runtime efficiency (~10.5 min on 2 Ah)”
