Asus ROG Flow Z13 (2025) vs Microsoft Surface Laptop Ultra

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.
Microsoft Surface Laptop Ultra 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

Microsoft Surface Laptop Ultra · 72 overall, #21 of 94

Key differences

Display resolutionMicrosoft Surface Laptop Ultra 3270 × 2180 vs 2560 × 1600 px
Refresh rateAsus ROG Flow Z13 (2025) 180 vs 120 Hz
BrightnessMicrosoft Surface Laptop Ultra 500 nits brighter
WeightAsus ROG Flow Z13 (2025) 0.8 kg lighter
Processor modelAsus ROG Flow Z13 (2025) AMD Ryzen AI Max+ 395 vs Nvidia RTX Spark N1X

Scores by Category

ROG Flow Z13 (2025) wins 8 of 14 categories · Surface Laptop Ultra wins 3

Category	ROG Flow Z13 (2025)Surface Laptop Ultra	Lead
Display		+16
Performance		+50
Battery		+61
Memory		+5
Design & Weight		+40
Processor		+49
Storage		+9
Integrated Graphics		+75
Ports		Tie
Connectivity		Tie
Webcam		+100
Security		+28
Sound		+10
Input		Tie

Physical Comparison

ROG Flow Z13 (2025)Surface Laptop Ultra

Surface Laptop Ultra is 0.8 kg (67%) heavier than ROG Flow Z13 (2025).

Value for Money

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

ROG Flow Z13 (2025)

AmazonCheck Price on Amazon

Surface Laptop Ultra

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.

Microsoft Surface Laptop Ultra

No notable compromises found.

Detailed Specifications

Processor

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Processor model

Integrated Graphics

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Integrated graphics model		N/A

Memory

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Memory capacity	128 GB	N/A
Technology
Memory upgradeable	No	N/A

Storage

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Storage capacity	1 TB	N/A
Socket type		N/A
PCIe version	4	N/A
Storage upgradeable	Yes	Yes

Display

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Size	13.4 in	15 in12% more
Display resolution	2560 × 1600 px	3270 × 2180 px
Aspect ratio	16:10	3:2
Refresh rate	180 Hz50% more	120 Hz
Response time	N/A	N/A
Display type		N/A
Brightness	500 nits	1,000 nits100% more
Pen support	Yes	No
Touch support	Yes	Yes
Screen-to-body ratio	85%	85%

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Number of speakers	2	4
Power	4 W	N/A
Dolby Atmos	Yes	Yes
Number of microphones	3	2

Battery

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Battery capacity	70 Wh	N/A
Maximum charge power	200 W43% more	140 W

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Webcam resolution	N/A	1920 × 1080 px

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Backlit keyboard	Yes	Yes
Numpad	No	N/A

Ports

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
USB Type A	1	1
USB Type C	2	3
Thunderbolt technology		N/A
HDMI port	Yes	Yes
Card reader	Yes	Yes
Headphone jack	Yes	Yes

Design & Weight

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Color	N/A	N/A
Dimensions	30.0 × 20.4 × 1.49 cm	32.88 × 23.87 × 1.8 cm
Weight	1.2 kg40% less	2 kg

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
Fingerprint scanner	No	N/A
Infrared face recognition support	Yes	Yes

Performance

Feature	ROG Flow Z13 (2025)	Surface Laptop Ultra
PassMark CPU Mark	54,789	N/A
Active cooling	Yes	Yes
Release Date	February 25, 2025	October 16, 2026

Specification Note

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