Is the Wahl 5-Star Cordless Detailer Li #8171 worth choosing over the Supreme Trimmer Vader ST3778 Cordless Liner 210 Min?

The Wahl 5-Star Cordless Detailer Li #8171 scores 9.1/10 against 8.5/10 — 0.6 points higher on our editorial scale. Barbers whose work is detail — sharp outlines, temple tapers and beard design.

BarberSupplyHub/Compare/Supreme Trimmer Vader ST3778 Cordless Liner 210 Min vs Wahl 5-Star Cordless Detailer Li #8171

TRIMMERS · COMPARISON · 2026

SUPREME TRIMMER VADER ST3778 CORDLESS LINER 210 MIN vs WAHL 5-STAR CORDLESS DETAILER LI #8171

Q: Which costs more: the Supreme Trimmer Vader ST3778 Cordless Liner 210 Min or the Wahl 5-Star Cordless Detailer Li #8171?

Wahl 5-Star Cordless Detailer Li #8171 is the more expensive of the two. We do not publish live prices — Amazon listings change without notice, so check the current price there before deciding.

Full side-by-side: scores, specs, pros & cons. Our pick: Wahl 5-Star Cordless Detailer Li #8171 at 9.1/10.

🏆

🏆 OVERALL WINNER

Wahl 5-Star Cordless Detailer Li #8171

9.1/10

Check Price on Amazon Read Full Review

Supreme Trimmer

Vader ST3778 Cordless Liner 210 Min

8.5/10Check price

Read full review →

Specs and the Amazon link on the review page

🏆 OVERALL WINNER

Wahl

5-Star Cordless Detailer Li #8171

9.1/10Check price

Read full review →

Specs and the Amazon link on the review page

⚖️ Side-by-Side Comparison

	Supreme Trimmer Vader ST3778 Cordless Liner 210 Min	🏆 OVERALL WINNER Wahl 5-Star Cordless Detailer Li #8171
Score	8.5/10	9.1/10
Price	Check price	Check price
Motor	7,000 RPM	Rotary
Battery	210 min	100 min
Cordless	✓ Yes	✓ Yes
Zero-Gap	✓ Yes	✓ Yes
Best for	Barbers looking for a cordless detail trimmer with USB-C charging and a visible battery indicator.	Barbers whose work is detail — sharp outlines, temple tapers and beard design.
Verdict	The Vader ST3778 combines a 7,000 RPM motor, a DLC T-blade with adjustable zero gap, a manufacturer-listed 210-minute runtime and USB-C charging. An LED battery indicator shows battery status.	The Wahl 5-Star Cordless Detailer Li #8171 is a fine-line detail trimmer: an extra-wide zero-overlap T-blade, a 0.4mm cut, a rotary motor and a 100-minute battery — built for outlines, edges and beard design.
	Read full review → Specs and the Amazon link on the review page	Read full review → Specs and the Amazon link on the review page

📊 SCORE BREAKDOWN

SUPREME TRIMMER VADER ST3778 CORDLESS LINER 210 MIN

Battery Life

9.5

Blade Sharpness

8.5

Charging

8.8

Value

7.8

OVERALL SCORE8.5/10

WAHL 5-STAR CORDLESS DETAILER LI #8171

Detail Precision

9.5

Battery Life

9.0

Ergonomics

9.2

Value

8.8

OVERALL SCORE9.1/10

✓ PROS & ✗ CONS

SUPREME TRIMMER VADER ST3778 CORDLESS LINER 210 MIN

✓210-minute manufacturer-listed runtime
✓DLC T-blade with adjustable zero gap
✓USB-C charging
✓7,000 RPM motor
✓LED battery indicator

✗The manufacturer does not publish an adjustable-speed specification

WAHL 5-STAR CORDLESS DETAILER LI #8171

✓Extra-wide zero-overlap T-blade cuts a crisp 0.4mm line
✓Rotary motor holds constant speed for clean detail passes
✓100-minute battery with 45-minute fast charge and charging stand
✓Specialist for outlines, temple tapers and beard design

✗A specialist detailer, not an all-purpose trimmer
✗Premium price for a single-job tool

COMMONQUESTIONS

Which is better: Supreme Trimmer Vader ST3778 Cordless Liner 210 Min or Wahl 5-Star Cordless Detailer Li #8171?

The Wahl 5-Star Cordless Detailer Li #8171 scores higher at 9.1/10 vs 8.5/10. The Wahl 5-Star Cordless Detailer Li #8171 is a fine-line detail trimmer: an extra-wide zero-overlap T-blade, a 0.4mm cut, a rotary motor and a 100-minute battery — built for outli

What is the price difference between the Supreme Trimmer Vader ST3778 Cordless Liner 210 Min and Wahl 5-Star Cordless Detailer Li #8171?

The Supreme Trimmer Vader ST3778 Cordless Liner 210 Min is the cheaper of the two. We do not publish live prices — Amazon listings change without notice, so confirm there.

Which has better battery life: Supreme Trimmer Vader ST3778 Cordless Liner 210 Min or Wahl 5-Star Cordless Detailer Li #8171?

The Supreme Trimmer Vader ST3778 Cordless Liner 210 Min has 210 min of battery life vs 100 min for the rival.

Is the Wahl 5-Star Cordless Detailer Li #8171 worth it over the Supreme Trimmer Vader ST3778 Cordless Liner 210 Min?

At 9.1/10 vs 8.5/10, the Wahl 5-Star Cordless Detailer Li #8171 leads on performance. Barbers whose work is detail — sharp outlines, temple tapers and beard design.

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