Asus ROG Flow Z13 (2025) vs Asus ROG Strix Scar 18 (2026)

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

Performance is scored from the laptop's CPU and GPU; few laptops have a published whole-system benchmark.
Asus ROG Strix Scar 18 (2026) has no published PassMark CPU Mark result, so it scores lower.

Verdict

Asus ROG Flow Z13 (2025) leads overall

Asus ROG Flow Z13 (2025) · 80 overall, #5 of 94

Asus ROG Strix Scar 18 (2026) · 66 overall, #47 of 94

Key differences

Display resolutionAsus ROG Strix Scar 18 (2026) 3840 × 2400 vs 2560 × 1600 px
BrightnessAsus ROG Strix Scar 18 (2026) 1,100 nits brighter
Refresh rateAsus ROG Strix Scar 18 (2026) 240 vs 180 Hz
Battery capacityAsus ROG Strix Scar 18 (2026) 90 vs 70 Wh
Processor modelAsus ROG Flow Z13 (2025) AMD Ryzen AI Max+ 395 vs Intel Core Ultra 9 290HX Plus

Scores by Category

ROG Strix Scar 18 (2026) wins 6 of 14 categories · ROG Flow Z13 (2025) wins 5

Category	ROG Flow Z13 (2025)ROG Strix Scar 18 (2026)	Lead
Display		+44
Performance		+80
Battery		+27
Memory		+3
Design & Weight		+82
Processor		+51
Storage		+6
Integrated Graphics		+75
Ports		+26
Connectivity		Tie
Webcam		+100
Security		+28
Sound		Tie
Input		Tie

Physical Comparison

ROG Flow Z13 (2025)

1.2kg

Weight

Value for Money

Launch prices — enter today's prices (same currency for both).

ROG Flow Z13 (2025)

AmazonCheck Price on Amazon

ROG Strix Scar 18 (2026)

AmazonCheck Price on Amazon

Watch-outs

Compromises to know before you buy

Asus ROG Flow Z13 (2025)

RAM is soldered — you can't upgrade it later, so buy enough now.

Asus ROG Strix Scar 18 (2026)

No notable compromises found.

Detailed Specifications

Processor

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Processor model

Integrated Graphics

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Integrated graphics model		N/A

Memory

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Memory capacity	128 GB	N/A
Technology
Memory upgradeable	No	Yes

Storage

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Storage capacity	1 TB	N/A
Socket type
PCIe version	4	4
Storage upgradeable	Yes	Yes

Display

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Size	13.4 in	18 in34% more
Display resolution	2560 × 1600 px	3840 × 2400 px
Aspect ratio	16:10	16:10
Refresh rate	180 Hz	240 Hz33% more
Response time	N/A	3 ms
Display type		Mini LED
Brightness	500 nits	1,600 nits220% more
Pen support	Yes	N/A
Touch support	Yes	N/A
Screen-to-body ratio	85%	79%

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Number of speakers	2	4
Power	4 W	N/A
Dolby Atmos	Yes	Yes
Number of microphones	3	N/A

Battery

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Battery capacity	70 Wh	90 Wh29% more
Maximum charge power	200 W	450 W125% more

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Webcam resolution	N/A	1920 × 1080 px

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Backlit keyboard	Yes	Yes
Numpad	No	Yes

Ports

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
USB Type A	1	3
USB Type C	2	2
Thunderbolt technology
HDMI port	Yes	Yes
Card reader	Yes	N/A
Headphone jack	Yes	Yes

Design & Weight

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Color	N/A	N/A
Dimensions	30.0 × 20.4 × 1.49 cm	39.9 × 29.8 × 3.5 cm
Weight	1.2 kg	N/A

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
Fingerprint scanner	No	N/A
Infrared face recognition support	Yes	Yes

Performance

Feature	ROG Flow Z13 (2025)	ROG Strix Scar 18 (2026)
PassMark CPU Mark	54,789	N/A
Active cooling	Yes	N/A
Release Date	February 25, 2025	June 24, 2026

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.