- Update date: December 9, 2024
Dewalt DCD777M2T-QW
vs
DCD778D2T
Recommended drill

Dewalt DCD777M2T-QW
Recommended price : 199$
Powered by an 18V 4.0 Ah Li-Ion battery, it offers extended runtime, ideal for intensive tasks. Its lightweight and ergonomic design, with a length of 192 mm and a weight of 1.5 kg, makes it easy to use even in tight spaces.
The 13 mm keyless chuck allows for quick accessory changes, while the two variable speeds (0-500 and 0-1750 RPM) provide optimal control depending on the material being worked on.
Additionally, the integrated LED light enhances visibility in dark areas, making this drill-driver a versatile tool suitable for both professionals and demanding DIY enthusiasts.

Dewalt DCD778D2T
Recommended price : 199$
Its fully metal two-speed gearbox ensures optimal power transmission, while the 15-position torque module guarantees precise fastening in all circumstances. The easy-to-control switching electronics enable pinpoint drilling and accurate fastening. The ergonomic, compact, and well-balanced design, with a rubberized housing, provides maximum safety and working comfort.
The robust 13 mm quick-action chuck, featuring central clamping jaws and automatic spindle lock, makes accessory changes effortless. Additionally, an integrated LED light illuminates the work area, enabling efficient use even in low-light conditions.
Quick access
Dewalt DCD778D2T vs Dewalt DCD777M2T-QWWhich to choose and why?
Why choose Dewalt DCD777M2T-QW?
Better ergonomics in tight spaces
Dimensions : 192×67×198 mm vs. 204×67×198 mm
Lighter, reducing fatigue during prolonged use
Weight (kg) : 1.1 kg vs. 1.52 kg
Adapts to various materials without the risk of over-tightening
Clutch torque adjustment : 16 vs. 15
Less vibration, reducing fatigue and the risk of repetitive strain injuries (RSI)
Vibration level : 2.5 m/s2 vs. 11.5 m/s2
Quieter, for more comfortable and less tiring use
Sound power level (L wa) : 83 dB(A) vs. 95 dB(A)
Why choose Dewalt DCD778D2T?
Technical specifications
Dewalt DCD777M2T-QW vs Dewalt DCD778D2T
General
Specifications | Dewalt DCD777M2T-QW | Dewalt DCD778D2T | |
---|---|---|---|
Drill type | Drill driver | VS | Hammer drill driver |
Dimensions | 192 x 67 x 198 mm | VS | 204 x 67 x 198 mm |
Weight (kg) | 1.1 kg | VS | 1.52 kg |
Color | Yellow / Black | VS | Yellow / Black |
Recommended price | 199$ | VS | 199$ |
Warranty | 3 years | VS | 3 years |
Technical specifications
Specifications | Dewalt DCD777M2T-QW | Dewalt DCD778D2T | |
---|---|---|---|
Max torque: rigid/elastic fastening | 65 Nm | VS | 65 Nm |
Clutch torque adjustment | 16 | VS | 15 |
Cadence | - | VS | 29 750 bpm (blows per minute) |
Capacity: wood screws | - | VS | 0 - 30 mm |
Capacity: machine screws | - | VS | M13 |
Max no-load speed | 0 - 1 750 min⁻¹ | VS | 0 - 1 750 min⁻¹ |
Reversal | Yes | VS | Yes |
Work light | Yes | VS | Yes |
Keyless chuck | Yes | VS | Yes |
Power supply and operation
Specifications | Dewalt DCD777M2T-QW | Dewalt DCD778D2T | |
---|---|---|---|
Power supply | Battery | VS | Battery |
Power cord | - | VS | - |
Power | 340 W | VS | 340 W |
Electrical voltage | 18 V | VS | 18 V |
Variable speed | Yes | VS | Yes |
Sound specifications
Specifications | Dewalt DCD777M2T-QW | Dewalt DCD778D2T | |
---|---|---|---|
Sound power level | 83 dB(A) | VS | 95 dB(A) |
Sound pressure level | 72 dB(A) | VS | 84 dB(A) |
Noise uncertainty (K factor) | 3 dB(A) | VS | 3 dB(A) |
Vibration specifications
Specifications | Dewalt DCD777M2T-QW | Dewalt DCD778D2T | |
---|---|---|---|
Vibration level | 2.5 m/s2 | VS | 11.5 m/s2 |
Vibration k-factor | 1.5 m/s2 | VS | 1.6 m/s2 |
Recommended accessories
For the Dewalt DCD777M2T-QW
I'm Quentin, a tool expert with over 10 years of experience. On this blog, I share reliable, tested and proven advice based on extensive practice and ongoing collaboration with tool manufacturers.

Detailed comparison by Quentin
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Sources : Dewalt DCD777M2T-QW, Dewalt DCD778D2T
Frequently asked questions
General
Drill type
Dimensions
Weight (kg)
Technical specifications
Max torque: rigid/elastic fastening
Clutch torque adjustment
Cadence
Capacity
Capacity: wood screws
Capacity: machine screws
Max no-load speed
Reversal
Work light
Power supply and operation
Power supply
Power cord
Power
Electrical voltage
Sound specifications
Sound power level
Sound pressure level
Vibration specifications
Vibration level
Other comparisons
Dewalt DCD777M2T-QW
Dewalt DCD778D2T