Compare models
Spec
ASUS ROG Zephyrus Duo 16 GX651
ASUS ROG Zephyrus G14 (2026) GU405
Summary
LB Score
71
71
Value
37
★
37
Price
$1,800
$1,800
Use class
Premium Gaming
Premium Light
Screen
Diagonal
16
14
Resolution
2880x1800
2880x1800
Panel type
oled
oled
Brightness
—
—
Screen quality
66
66
Processor & graphics
CPU score
65
65
GPU type
dGPU
dGPU
GPU score
88
★
84
GPU rating
—
—
Memory
RAM (max)
64 GB
64 GB
RAM type
LPDDR5X
LPDDR5X
Storage
Storage (bus)
PCI-E Gen 5.0 (4x)
PCI-E Gen 4.0 (4x)
Battery
Capacity (Wh)
90.0 Wh
★
73.0 Wh
Autonomy (est.)
3.1 h
★
2.8 h
Chassis
Weight
2.82 kg
1.50 kg
★
Type
Gaming
Gaming
Release year
2026
2026
Verdict
Best overall: ASUS ROG Zephyrus Duo 16 GX651 · wins 11 of 16 parameter rows
Why ASUS ROG Zephyrus Duo 16 GX651 over ASUS ROG Zephyrus G14 (2026) GU405
- Capacity (Wh): 90.0 Wh vs 73.0 Wh (+17)
- Nanoreview (ext.): 72 vs 64 (+8)
- Autonomy (est.): 3.1 h vs 2.8 h (+0.3)