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ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) vs Legion Pro 7 16 G10 RTX 5090 (2025)

Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) vs Lenovo Legion Pro 7 16 G10 RTX 5090 (2025)

What ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) does better (9) and where Legion Pro 7 16 G10 RTX 5090 (2025) wins (3) — every spec side by side.

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

9.4Score

9 advantages≈ $7,200

Lenovo Legion Pro 7 16 G10 RTX 5090 (2025)

Lenovo · 2025Legion Pro 7 16 G10 RTX 5090 (2025)

9.6Score

3 advantages≈ $6,100

Higher score

9.8Display9.6

7.9Memory & storage6.7

4.4Battery & portability5.7

9.8Features & cooling9.4

Dimensions

Size comparison

ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)Legion Pro 7 16 G10 RTX 5090 (2025)

	ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)	Legion Pro 7 16 G10 RTX 5090 (2025)	Difference
Depth	247 mm	276 mm	−29 mm
Width	355 mm	364 mm	−9 mm
Thickness	25 mm	27 mm	−2 mm
Weight	2.8 kg	2.7 kg	+0.1 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 Legion Pro 7 16 G10 RTX 5090 (2025)?

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×
RAM typeLPDDR5X vs DDR5
SSD (base)2,000 GB vs 1,000 GB2×
SD card readerYes · Legion Pro 7 16 G10 RTX 5090 (2025): No
Dolby AtmosYes · Legion Pro 7 16 G10 RTX 5090 (2025): No
Thickness25 mm vs 27 mm+8%
Bluetooth6 vs 5.4+11%

Why is Legion Pro 7 16 G10 RTX 5090 (2025) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)?

Battery capacity90 Wh vs 99 Wh+10%
Weight2.82 kg vs 2.72 kg+4%
Webcam1,080p vs 1,440p+33%

Specifications

Side by side

Only differences	Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)≈ $7,2009.4	Lenovo Legion Pro 7 16 G10 RTX 5090 (2025)≈ $6,1009.6
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	—	31,227
Processor
Processor	Core Ultra 9 386H	Core Ultra 9 275HX
CPU maker	Intel	Intel
CPU cores	—	24
Max CPU clock	—	5.4 GHz
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	—	Yes
Advanced Optimus	—	Yes
MUX switch	—	Yes
HDR	—	Yes
Touchscreen	Yes	No
Memory & storage
RAM (up to)	64 GB	64 GB
RAM (base)	64 GB	64 GB
RAM type	LPDDR5X	DDR5
RAM speed	—	6,400 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	99 Wh
Power adapter	250 W	400 W
USB-C charging (Power Delivery)	—	Yes
USB-C charging power	—	100 W
Design & cooling
Weight	2.82 kg	2.72 kg
Thickness	25 mm	27 mm
Width	355 mm	364 mm
Depth	247 mm	276 mm
Body material	—	Aluminium
Colours	Grey	Black
Cooling fans	—	3
Vapor chamber cooling	—	Yes
Liquid metal (CPU)	—	No
Fan noise (max. load)	—	53.9 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 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
Key travel	—	1.5 mm
Webcam	1,080p	1,440p
IR camera (face login)	—	No
Fingerprint reader	—	No
Audio
Speakers	4 speakers	4 speakers
Dolby Atmos	Yes	No