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ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) vs Aorus Master 16 AM6J RTX 5080 (2026)

Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) vs Gigabyte Aorus Master 16 AM6J RTX 5080 (2026)

What ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) does better (8) and where Aorus Master 16 AM6J RTX 5080 (2026) wins (4) — every spec side by side.

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

9.4Score

8 advantages≈ $7,100

Gigabyte Aorus Master 16 AM6J RTX 5080 (2026)

Gigabyte · 2026Aorus Master 16 AM6J RTX 5080 (2026)

9.7Score

4 advantages≈ $4,800

Higher score

9.8Display9.5

7.8Memory & storage8.6

4.4Battery & portability9.4

9.8Features & cooling9.4

Dimensions

Size comparison

ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)Aorus Master 16 AM6J RTX 5080 (2026)

	ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)	Aorus Master 16 AM6J RTX 5080 (2026)	Difference
Depth	247 mm	255.3 mm	−8.3 mm
Width	355 mm	357.2 mm	−2.2 mm
Thickness	25 mm	24.5 mm	+0.5 mm
Weight	2.8 kg	2.3 kg	+0.5 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 Aorus Master 16 AM6J RTX 5080 (2026)?

Brightness1,100 nits vs 500 nits2.2×
Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
Video memory24 GB vs 16 GB+50%
RAM (base)64 GB vs 16 GB4×
SSD (base)2,000 GB vs 512 GB3.9×
GPU shader cores10,496 vs 7,680+37%
RAM typeLPDDR5X vs DDR5
Bluetooth6 vs 5.4+11%

Why is Aorus Master 16 AM6J RTX 5080 (2026) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)?

SSD (up to)2,000 GB vs 4,096 GB2×
Battery capacity90 Wh vs 99 Wh+10%
Weight2.82 kg vs 2.3 kg+23%
Thickness25 mm vs 24.5 mm+2%

Specifications

Side by side

Only differences	Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)≈ $7,1009.4	Gigabyte Aorus Master 16 AM6J RTX 5080 (2026)≈ $4,8009.7
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	—	25,007
Processor
Processor	Core Ultra 9 386H	Ryzen 9 8940HX
CPU maker	Intel	AMD
CPU cores	—	16
CPU threads	—	32
Max CPU clock	—	5.3 GHz
Processor options	—	Ryzen 9 8940HX, Ryzen 9 9955HX3D, Ryzen 9 9955HX
Geekbench 6 multi-core	—	16,188
Geekbench 6 single-core	—	2,874
Cinebench 2024 multi-core	—	1,706
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
Response time	—	1 ms
DCI-P3 coverage	—	100%
Pixel density	—	189 ppi
Aspect ratio	16:10	16:10
G-Sync / FreeSync	—	Yes
Advanced Optimus	—	No
MUX switch	—	Yes
HDR	—	Yes
Touchscreen	Yes	No
Memory & storage
RAM (up to)	64 GB	64 GB
RAM (base)	64 GB	16 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	4,096 GB
SSD (base)	2,000 GB	512 GB
M.2 SSD slots	—	2
SSD interface	—	PCIe 5.0 x4
Battery & power
Battery capacity	90 Wh	99 Wh
Power adapter	250 W	330 W
USB-C charging (Power Delivery)	—	Yes
Design & cooling
Weight	2.82 kg	2.3 kg
Thickness	25 mm	24.5 mm
Width	355 mm	357.2 mm
Depth	247 mm	255.3 mm
Body material	—	Aluminium, Plastic
Colours	Grey	Black
Cooling fans	—	2
Vapor chamber cooling	—	Yes
Liquid metal (CPU)	—	No
Fan noise (max. load)	—	60 dB
Ports & wireless
Thunderbolt / USB4	Thunderbolt 4	USB4
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	—	Yes
Ethernet port	Yes	Yes
SD card reader	Yes	Yes
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	—	No
Key travel	—	1.7 mm
Webcam	1,080p	1,080p
IR camera (face login)	—	Yes
Fingerprint reader	—	No
Audio
Speakers	4 speakers	2.0
Dolby Atmos	Yes	Yes