Asus ROG Flow Z13 (2025) vs Asus ROG Zephyrus Duo (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 Zephyrus Duo (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 Zephyrus Duo (2026) · 68 overall, #39 of 94

Key differences

Refresh rateAsus ROG Flow Z13 (2025) 180 vs 120 Hz
BrightnessAsus ROG Zephyrus Duo (2026) 600 nits brighter
WeightAsus ROG Flow Z13 (2025) 1.62 kg lighter
Battery capacityAsus ROG Zephyrus Duo (2026) 90 vs 70 Wh
Display resolutionAsus ROG Zephyrus Duo (2026) 2880 × 1800 vs 2560 × 1600 px

Scores by Category

ROG Flow Z13 (2025) wins 7 of 14 categories · ROG Zephyrus Duo (2026) wins 5

Category	ROG Flow Z13 (2025)ROG Zephyrus Duo (2026)	Lead
Display		+20
Performance		+80
Battery		+22
Memory		+25
Design & Weight		+62
Processor		+19
Storage		+6
Integrated Graphics		+75
Ports		+16
Connectivity		Tie
Webcam		+100
Security		+28
Sound		+12
Input		Tie

Physical Comparison

ROG Flow Z13 (2025)ROG Zephyrus Duo (2026)

ROG Zephyrus Duo (2026) is 1.62 kg (135%) 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

ROG Zephyrus Duo (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 Zephyrus Duo (2026)

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

Detailed Specifications

Processor

Feature	ROG Flow Z13 (2025)	ROG Zephyrus Duo (2026)
Processor model

Integrated Graphics

Feature	ROG Flow Z13 (2025)	ROG Zephyrus Duo (2026)
Integrated graphics model		N/A

Memory

Feature	ROG Flow Z13 (2025)	ROG Zephyrus Duo (2026)
Memory capacity	128 GB	N/A
Technology
Memory upgradeable	No	No

Storage

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

Display

Feature	ROG Flow Z13 (2025)	ROG Zephyrus Duo (2026)
Size	13.4 in	16 in19% more
Display resolution	2560 × 1600 px	2880 × 1800 px
Aspect ratio	16:10	16:10
Refresh rate	180 Hz50% more	120 Hz
Response time	N/A	0.2 ms
Display type
Brightness	500 nits	1,100 nits120% more
Pen support	Yes	Yes
Touch support	Yes	Yes
Screen-to-body ratio	85%	85%

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

Battery

Feature	ROG Flow Z13 (2025)	ROG Zephyrus Duo (2026)
Battery capacity	70 Wh	90 Wh29% more
Maximum charge power	200 W	250 W25% more

Feature	ROG Flow Z13 (2025)	ROG Zephyrus Duo (2026)
Webcam resolution	N/A	1920 × 1080 px

Feature	ROG Flow Z13 (2025)	ROG Zephyrus Duo (2026)
Backlit keyboard	Yes	Yes
Numpad	No	N/A

Ports

Feature	ROG Flow Z13 (2025)	ROG Zephyrus Duo (2026)
USB Type A	1	2
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 Zephyrus Duo (2026)
Color	N/A	N/A
Dimensions	30.0 × 20.4 × 1.49 cm	35.5 × 24.7 × 2.49 cm
Weight	1.2 kg57% less	2.82 kg

Feature	ROG Flow Z13 (2025)	ROG Zephyrus Duo (2026)
Fingerprint scanner	No	N/A
Infrared face recognition support	Yes	Yes

Performance

Feature	ROG Flow Z13 (2025)	ROG Zephyrus Duo (2026)
PassMark CPU Mark	54,789	N/A
Active cooling	Yes	N/A
Release Date	February 25, 2025	June 26, 2026

Specification Note

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