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ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) vs Omen Max 16 RTX 5080 (2026)

Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) vs HP Omen Max 16 RTX 5080 (2026)

What ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) does better (15) and where Omen Max 16 RTX 5080 (2026) wins (0) — every spec side by side.

Asus · 2026ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)

9.4Score

15 advantages≈ $7,100

Higher score

HP · 2026Omen Max 16 RTX 5080 (2026)

9.0Score

0 advantages≈ $4,500

9.8Display9.4

7.8Memory & storage4.4

4.4Battery & portability2.8

9.8Features & cooling9.4

Dimensions

Size comparison

ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)Omen Max 16 RTX 5080 (2026)

	ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)	Omen Max 16 RTX 5080 (2026)	Difference
Depth	247 mm	269 mm	−22 mm
Width	355 mm	357 mm	−2 mm
Thickness	25 mm	26 mm	−1 mm
Weight	2.8 kg	3 kg	−0.2 kg

Drawn to the same scale from the official dimensions (front and side).

Why is ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) better than Omen Max 16 RTX 5080 (2026)?

RAM (up to)64 GB vs 32 GB2×
Brightness1,100 nits vs 500 nits2.2×
Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
SSD (up to)2,000 GB vs 1,000 GB2×
Battery capacity90 Wh vs 83 Wh+8%
Video memory24 GB vs 16 GB+50%
Weight2.82 kg vs 2.97 kg+5%
GPU shader cores10,496 vs 7,680+37%
RAM (base)64 GB vs 32 GB2×
RAM typeLPDDR5X vs DDR5
SSD (base)2,000 GB vs 1,000 GB2×
SD card readerYes · Omen Max 16 RTX 5080 (2026): No

Why is Omen Max 16 RTX 5080 (2026) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)?

Omen Max 16 RTX 5080 (2026) has no measurable advantages in this pair.

Specifications

Side by side

Only differences	Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)≈ $7,1009.4	HP Omen Max 16 RTX 5080 (2026)≈ $4,5009.0
Graphics
Graphics card	GeForce RTX 5090 Laptop	GeForce RTX 5080 Laptop
GPU maker	NVIDIA	NVIDIA
GPU power (TGP)	—	175 W
Video memory	24 GB	16 GB
Video memory type	GDDR7	GDDR7
GPU shader cores	10,496	7,680
GPU compute (FP32)	—	42 TFLOPS
3DMark Steel Nomad Light	—	26,719
Processor
Processor	Core Ultra 9 386H	Core Ultra 7 270HX Plus
CPU maker	Intel	Intel
CPU cores	—	20
CPU threads	—	20
Max CPU clock	—	5.3 GHz
Processor options	—	Ryzen AI 7 450, Core Ultra 7 270HX Plus, Core Ultra 9 290HX Plus, Ryzen AI 9 HX 475
Geekbench 6 multi-core	—	17,190
Geekbench 6 single-core	—	3,178
Cinebench 2024 multi-core	—	1,752
Display
Screen size	16″	16″
Resolution	2880 × 1800	2560 × 1600
Resolution class	3K (1800p/2000p)	QHD (1440p/1600p)
Refresh rate	—	165 Hz
Panel type	OLED	OLED
Brightness	1,100 nits	500 nits
sRGB coverage	—	100%
Response time	—	0.2 ms
DCI-P3 coverage	—	100%
Pixel density	—	189 ppi
Aspect ratio	16:10	16:10
G-Sync / FreeSync	—	Yes
Advanced Optimus	—	Yes
MUX switch	—	Yes
HDR	—	Yes
Touchscreen	Yes	No
Memory & storage
RAM (up to)	64 GB	32 GB
RAM (base)	64 GB	32 GB
RAM type	LPDDR5X	DDR5
RAM speed	—	5,600 MHz
Max. supported RAM	—	64 GB
RAM slots	—	2
Upgradable RAM	—	Yes
SSD (up to)	2,000 GB	1,000 GB
SSD (base)	2,000 GB	1,000 GB
M.2 SSD slots	—	2
SSD interface	—	PCIe 5.0 x4
Battery & power
Battery capacity	90 Wh	83 Wh
Power adapter	250 W	—
USB-C charging (Power Delivery)	—	Yes
Design & cooling
Weight	2.82 kg	2.97 kg
Thickness	25 mm	26 mm
Width	355 mm	357 mm
Depth	247 mm	269 mm
Body material	—	Aluminium, Plastic
Colours	Grey	Black
Cooling fans	—	2
Vapor chamber cooling	—	Yes
Liquid metal (CPU)	—	Yes
Fan noise (max. load)	—	61.8 dB
Ports & wireless
Thunderbolt / USB4	Thunderbolt 4	Thunderbolt 4
Thunderbolt or USB4	Yes	Yes
USB-C ports	—	2
USB-A ports	—	2
HDMI	HDMI 2.1	HDMI 2.1
HDMI 2.1	Yes	Yes
(Mini) DisplayPort	—	No
Ethernet	—	5 Gbit/s
Ethernet port	Yes	Yes
SD card reader	Yes	No
3.5 mm audio jack	Yes	Yes
Wi-Fi standard	Wi-Fi 7	Wi-Fi 7
Bluetooth	6	5.4
Keyboard & camera
Backlit keyboard	—	Yes
Numeric keypad	—	Yes
Webcam	1,080p	1,080p
IR camera (face login)	—	Yes
Fingerprint reader	—	No
Audio
Speakers	4 speakers	2 speakers
Dolby Atmos	Yes	No