Is the Andis Slimline Pro Li Trimmer worth choosing over the Supreme Trimmer Vader ST3778 Cordless Liner 210 Min?

The Andis Slimline Pro Li Trimmer scores 9.2/10 against 8.5/10 — 0.7 points higher on our editorial scale. Barbers who need a secondary precision tool for ear, temple, and kids' hairline detail that full-size trimmers can't reach.

BarberSupplyHub/Compare/Andis Slimline Pro Li Trimmer vs Supreme Trimmer Vader ST3778 Cordless Liner 210 Min

TRIMMERS · COMPARISON · 2026

ANDIS SLIMLINE PRO LI TRIMMER vs SUPREME TRIMMER VADER ST3778 CORDLESS LINER 210 MIN

Q: Which costs more: the Andis Slimline Pro Li Trimmer or the Supreme Trimmer Vader ST3778 Cordless Liner 210 Min?

Supreme Trimmer Vader ST3778 Cordless Liner 210 Min 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 We do not publish live prices — Amazon listings change without notice, so check the current price there before deciding.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: Andis Slimline Pro Li Trimmer at 9.2/10.

🏆

🏆 OVERALL WINNER

Andis Slimline Pro Li Trimmer

9.2/10

Check Current Price on Amazon Read Full Review

🏆 OVERALL WINNER

Andis

Slimline Pro Li Trimmer

9.2/10Check current price

Read full review →

Specs and the Amazon link on the review page

Supreme Trimmer

Vader ST3778 Cordless Liner 210 Min

8.5/10Check current price

Read full review →

Specs and the Amazon link on the review page

⚖️ Side-by-Side Comparison

	🏆 OVERALL WINNER Andis Slimline Pro Li Trimmer	Supreme Trimmer Vader ST3778 Cordless Liner 210 Min
Score	9.2/10	8.5/10
Price	Check current price	Check current price
Motor	Rotary 6,000 SPM	7,000 RPM
Battery	up to 120 min	210 min
Weight	4.0 oz	—
Cordless	✓ Yes	✓ Yes
Zero-Gap	✓ Yes	✓ Yes
Best for	Barbers who need a secondary precision tool for ear, temple, and kids' hairline detail that full-size trimmers can't reach.	Barbers looking for a cordless detail trimmer with USB-C charging and a visible battery indicator.
Verdict	The Slimline Pro Li fills the detail gap that full-size trimmers miss. Ultra-slim profile gets into tight areas around ears, temples, and necklines. Carbon steel T-blade cuts extremely close. Andis lists up to 2 hours of cordless runtime.	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.
	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

ANDIS SLIMLINE PRO LI TRIMMER

Detail Precision

9.2

Battery Life

8.0

Slim Profile

9.8

Value

9.0

OVERALL SCORE9.2/10

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

✓ PROS & ✗ CONS

ANDIS SLIMLINE PRO LI TRIMMER

✓Ultra-slim body for tight detail areas
✓Up to 2 hours of cordless runtime
✓Carbon steel T-blade close precision
✓Corded/cordless flexibility
✓Ideal for kids cuts and ear/temple detail

✗Less powerful than T-Outliner for lineups
✗Shorter battery than top clippers
✗Smaller blade limits versatility

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

COMMONQUESTIONS

Which is better: Andis Slimline Pro Li Trimmer or Supreme Trimmer Vader ST3778 Cordless Liner 210 Min?

The Andis Slimline Pro Li Trimmer scores higher at 9.2/10 vs 8.5/10. The Slimline Pro Li fills the detail gap that full-size trimmers miss. Ultra-slim profile gets into tight areas around ears, temples, and necklines. Carbon steel T-blade cuts extre

What is the price difference between the Andis Slimline Pro Li Trimmer and Supreme Trimmer Vader ST3778 Cordless Liner 210 Min?

The Andis Slimline Pro Li Trimmer 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: Andis Slimline Pro Li Trimmer or Supreme Trimmer Vader ST3778 Cordless Liner 210 Min?

The Supreme Trimmer Vader ST3778 Cordless Liner 210 Min has 210 min of battery life vs up to 120 min for the rival.

Is the Andis Slimline Pro Li Trimmer worth it over the Supreme Trimmer Vader ST3778 Cordless Liner 210 Min?

At 9.2/10 vs 8.5/10, the Andis Slimline Pro Li Trimmer leads on performance. Barbers who need a secondary precision tool for ear, temple, and kids' hairline detail that full-size trimmers can't reach.

MORE COMPARISONS

More trimmers to compare

Andis Slimline Pro Li Trimmer vs BaBylissPRO FX+ GoldFX Cord/Cordless Trimmer USB-C Supreme Trimmer Vader ST3778 Cordless Liner 210 Min vs BaBylissPRO FX+ GoldFX Cord/Cordless Trimmer USB-C Andis Slimline Pro Li Trimmer vs Andis GTX-EXO Cordless Trimmer 74150 Supreme Trimmer Vader ST3778 Cordless Liner 210 Min vs Andis GTX-EXO Cordless Trimmer 74150 Andis Slimline Pro Li Trimmer vs Wahl 5-Star Cordless Detailer Li #8171 Supreme Trimmer Vader ST3778 Cordless Liner 210 Min vs Wahl 5-Star Cordless Detailer Li #8171 Andis Slimline Pro Li Trimmer vs Andis Insight Slim Cordless Trimmer 9-Piece Kit Gold Supreme Trimmer Vader ST3778 Cordless Liner 210 Min vs Andis Insight Slim Cordless Trimmer 9-Piece Kit Gold

RELATED GUIDES

Technique guides & buying advice

📖 Perfect Lineup & Edge-Up Guide →📖 How to Line Up a Beard →📖 How to Clean Barber Trimmers →

Full Compare Tool

Compare up to 3 barber tools side by side — all 75 products.

↗ Compare other tools