Compare ASUS Zephyrus Duo GX551 vs ROG Zephyrus Duo GX650 vs ZenBook Pro Duo 14 UX481
Variants
4K
FHD
ScreenPad Plus
Secondary Display
Connectivity
Ports
3x UBS 3.2 Gen2 + 1x USB-C 3.2 Gen2 / DP + 1x HDMI 2.0b + 1x Audio combo + 1x RJ45 + 1x microSD
1x 3.5mm Combo Audio Jack + 1x HDMI 2.1 FRL + 2x USB 3.2 Gen 2 Type-C + 2x USB 3.2 Gen 2 Type-A + 1x 2.5G RJ45
1x USB 3.1 Gen1 + 1x USB 3.1 Gen2 + 1x USB-C 3.1 Gen2 + 1x HDMI 1.4 + 1x Audio combo + 1x MicroSD
Wireless Connectivity
WiFi 6 + Bluetooth 5.1
Wi-Fi 6E(802.11ax) (Triple band) 2*2 + Bluetooth® 5.2
WiFi 6 + Bluetooth 5.0
Construction
Battery | Capacity
90 Wh
90WHrs, 4S1P, 4-cell
4-Cell 70Wh
Battery | Type
Lithium-ion polymer battery
Camera
FHD 1080P@30FPS
Camera | Front
Optional camera
HD camera with IR function to support Windows Hello
Colors
Celestial Blue
Form Factor
Dual screen clamshell laptop
Material
Aluminum
Microphone
Built-in array microphone
3-microphone array
Speakers
2x 4W speaker with smart AMP technology
6-speaker(dual-force woofer) system
Dimensions
Bezels
85% screen-to-body ratio
90%
Size | Depth
268 mm / 10.55 inch
266 mm / 10.47"
223 mm / 8.78 inch
Size | Height
20.9 mm / 0.82 inch
20.5-29.7 mm / 0.81-1.17 inch
19.9 mm / 0.78 inch
Size | Width
360 mm / 14.17 inch
355 mm / 13.98"
323 mm / 12.72 inch
Weight
2.48 kg / 5.47 lbs
2.67 kg / 5.89 lbs
1.5 kg / 3.31 lbs
Display
Aspect Ratio
16:9
16:10
16:9
Brightness
300 nits
Display Backlight
Mini LED
Display Diagonal
15.6 inch
16 inch
14"
Display Type
IPS, matte
IPS
IPS
Gamut
100% DCI-P3
100% sRGB
Refresh Rate
240 Hz
Resolution
FHD (1920x1080) or 4K UHD (3840x2160)
QHD+ (2560 x 1600, WQXGA)
FHD (1920x1080)
Response Time
3 ms
3 ms
Function
Audio
Dolby Atmos
Smart Amp Technology, Dolby Atmos
Graphics
NVIDIA GeForce RTX 3060 6GB, RTX 3070 8GB, or RTX 3080 16GB
NVIDIA® GeForce RTX™ 4080 12GB / 4090 16GB
NVIDIA GeForce MX250
Keyboard Backlight
Per-key RGB lighting
Per-key RGB
Operating System
Windows 10
Windows 11 Pro
Windows 10
Processor
AMD Ryzen 7 5800H or Ryzen 9 5900HX
AMD Ryzen™ 9 7945HX
9th-gen Intel Core i5-10210U, i7-10510U, or i7-10710U
RGB Lighting
Aura Sync
Touch Screen
ScreenPad Plus (14" 3840x1100 IPS)
Optional on the main display, standard on the ScreenPad Plus
Touchpad
12.6" FHD ScreenPad Plus
Variable Framerate
FreeSync
Performance
Durability
MIL-STD 810G
Key Travel
1.9 mm
1.4 mm
Memory | Capacity
16GB onboard + 1x SO-DIMM, up to 48GB combined
32GB SO-DIMM x 2, Max Capacity : 64GB
8 or 16GB soldered
Memory | Type
DDR4 3200MHz
DDR5-4800 dual channel
LPDDR3 2133MHz
Power Supply
280 W
ø6.0, 330W AC Adapter
65 W
Storage
Up to 2x 1TB M.2 NVMe PCIe 3.0 SSD
2TB PCIe® 4.0 NVMe™ M.2 Performance SSD
Up to 1TB PCIe Gen3 SSD
Production
Debut
2021-01-13 (CES 2021)
2019
Reviews
Neofiliac score
90%
Pros
- Stunning dual-screen design
- Excellent performance for a 15.6-inch gaming laptop
- Dual-monitor desktop setup
- 2TB SSD
- Good battery life
- Very powerful components
- Useful secondary touch display for content creation
- Good port selection
- 6-speaker system
- Gorgeous design
- Long battery life
- Fantastic keyboard and touchpad
- Bright, vivid second display
Cons
- Nothing in particular
- Extremely pricey
- Chassis not capable to use the components at 100%
- Keyboard layout could be better
- Only one USB-C port
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