Quick takeaway
DEWALT 20V MAX Cordless Drill / Driver Kit (DCD777C2) leads this matchup 2 to 1 on measured spec rows and by 60 points overall. Bosch PS31-2A 12V Max Drill Driver is also about $60.00 cheaper at the latest tracked price.
Bosch PS31-2A 12V Max Drill Driver vs DEWALT 20V MAX Cordless Drill / Driver Kit (DCD777C2)
Choose Bosch PS31-2A 12V Max Drill Driver if...
Pick Bosch PS31-2A 12V Max Drill Driver if chuck size are the reasons you are shopping in this category.
Choose DEWALT 20V MAX Cordless Drill / Driver Kit (DCD777C2) if...
Pick DEWALT 20V MAX Cordless Drill / Driver Kit (DCD777C2) if voltage and model number are the reasons you are shopping in this category. It currently costs about $60.00 more, so make sure those wins matter to you.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Battery and power
| Spec | Bosch PS31-2A 12V Max Drill Driver | DEWALT 20V MAX Cordless Drill / Driver Kit (DCD777C2) |
|---|---|---|
| Power Source | Cordless | Cordless |
| Voltage | 12V | 20V ✓ |
General
| Spec | Bosch PS31-2A 12V Max Drill Driver | DEWALT 20V MAX Cordless Drill / Driver Kit (DCD777C2) |
|---|---|---|
| Brand | Bosch | DEWALT |
| Category | Power drill | Power drill |
| Chuck Size | 3/8-inch ✓ | 1/2-inch |
| Model Number | PS31-2A | DCD777C2 ✓ |
| Type | Drill/Driver | Drill/Driver |
The verdict
Based on 9 spec comparisons plus user ratings, the DEWALT 20V MAX Cordless Drill / Driver Kit (DCD777C2) comes out ahead with a stronger overall score.
Check Bosch PS31-2A 12V Max Drill Driver ↗ Check DEWALT 20V MAX Cordless Drill / Driver Kit (DCD777C2) ↗
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Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the Bosch PS31-2A 12V Max Drill Driver vs DEWALT 20V MAX Cordless Drill / Driver Kit (DCD777C2) score measuring?
VSFinder compares 5 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $69.00 for Bosch PS31-2A 12V Max Drill Driver and $129.00 for DEWALT 20V MAX Cordless Drill / Driver Kit (DCD777C2).