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ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) vs Raider 16 Max HX B2 RTX 5090 (2026)

Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) vs MSI Raider 16 Max HX B2 RTX 5090 (2026)

What ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) does better (8) and where Raider 16 Max HX B2 RTX 5090 (2026) wins (1) — every spec side by side.

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

9.4Score

8 advantages≈ $7,100

MSI · 2026Raider 16 Max HX B2 RTX 5090 (2026)

9.4Score

1 advantage≈ $4,900

Higher score

9.8Display9.5

7.8Memory & storage5.5

4.4Battery & portability5.3

9.8Features & cooling9.4

Dimensions

Size comparison

ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)Raider 16 Max HX B2 RTX 5090 (2026)

	ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)	Raider 16 Max HX B2 RTX 5090 (2026)	Difference
Depth	247 mm	270 mm	−23 mm
Width	355 mm	363 mm	−8 mm
Thickness	25 mm	29 mm	−4 mm
Weight	2.8 kg	2.6 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 Raider 16 Max HX B2 RTX 5090 (2026)?

RAM (up to)64 GB vs 32 GB2×
Brightness1,100 nits vs 500 nits2.2×
Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
RAM (base)64 GB vs 32 GB2×
RAM typeLPDDR5X vs DDR5
Dolby AtmosYes · Raider 16 Max HX B2 RTX 5090 (2026): No
Thickness25 mm vs 29 mm+16%
Bluetooth6 vs 5.4+11%

Why is Raider 16 Max HX B2 RTX 5090 (2026) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)?

Weight2.82 kg vs 2.6 kg+8%

Specifications

Side by side

Only differences	Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)≈ $7,1009.4	MSI Raider 16 Max HX B2 RTX 5090 (2026)≈ $4,9009.4
Graphics
Graphics card	GeForce RTX 5090 Laptop	GeForce RTX 5090 Laptop
GPU maker	NVIDIA	NVIDIA
GPU power (TGP)	—	175 W
Video memory	24 GB	24 GB
Video memory type	GDDR7	GDDR7
GPU shader cores	10,496	10,496
GPU compute (FP32)	—	51.4 TFLOPS
3DMark Steel Nomad Light	—	28,614
Processor
Processor	Core Ultra 9 386H	Core Ultra 9 290HX Plus
CPU maker	Intel	Intel
CPU cores	—	24
Max CPU clock	—	5.5 GHz
Processor options	—	Core Ultra 9 275HX, Core Ultra 9 290HX Plus
Display
Screen size	16″	16″
Resolution	2880 × 1800	2560 × 1600
Resolution class	3K (1800p/2000p)	QHD (1440p/1600p)
Refresh rate	—	240 Hz
Panel type	OLED	OLED
Brightness	1,100 nits	500 nits
sRGB coverage	—	100%
Response time	—	1 ms
DCI-P3 coverage	—	100%
Pixel density	—	189 ppi
Aspect ratio	16:10	16:10
G-Sync / FreeSync	—	No
Advanced Optimus	—	No
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	—	6,400 MHz
Max. supported RAM	—	128 GB
RAM slots	—	2
Upgradable RAM	—	Yes
SSD (up to)	2,000 GB	2,000 GB
SSD (base)	2,000 GB	2,000 GB
M.2 SSD slots	—	2
SSD interface	—	PCIe 5.0 x4
Battery & power
Battery capacity	90 Wh	92 Wh
Power adapter	250 W	400 W
USB-C charging (Power Delivery)	—	Yes
USB-C charging power	—	140 W
Design & cooling
Weight	2.82 kg	2.6 kg
Thickness	25 mm	29 mm
Width	355 mm	363 mm
Depth	247 mm	270 mm
Body material	—	Aluminium, Plastic
Colours	Grey	Black
Cooling fans	—	3
Vapor chamber cooling	—	No
Liquid metal (CPU)	—	No
Fan noise (max. load)	—	60.2 dB
Ports & wireless
Thunderbolt / USB4	Thunderbolt 4	Thunderbolt 4
Thunderbolt or USB4	Yes	Yes
USB-C ports	—	2
USB-A ports	—	3
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	Yes
3.5 mm audio jack	Yes	Yes
Wi-Fi standard	Wi-Fi 7	Wi-Fi 7
Bluetooth	6	5.4
Keyboard & camera
Keyboard backlight	—	Per-key RGB
Per-key RGB	—	Yes
Backlit keyboard	—	Yes
Numeric keypad	—	Yes
Key travel	—	1.7 mm
Webcam	1,080p	1,080p
IR camera (face login)	—	Yes
Fingerprint reader	—	No
Audio
Speakers	4 speakers	2 speakers
Dolby Atmos	Yes	No