Compare ASUS Zephyrus Duo GX551 vs ZenBook Pro Duo 15 UX581 vs ASUS Zephyrus Duo
Variants
4K
FHD
ScreenPad Plus
Secondary
Initial
Facelift
ScreenPad Plus
FHD
UHD
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
2x USB 3.2 Gen2 + 1x Thunderbolt 3 + 1x HDMI 1.4 + 1x HDMI 2.0 + 1x Audio combo
2x UBS 3.2 Gen1 + 1x USB 3.2 Gen2 + 1x USB-C 3.2 Gen2 + 1x HDMI 2.0b + 1x 3.5mm Audio combo + 1x RJ45
Wireless Connectivity
WiFi 6 + Bluetooth 5.1
WiFi 6 + Bluetooth 5.0
WiFi 6 + Bluetooth 5.0
Construction
Battery | Capacity
90 Wh
8-Cell 71Wh
90 Wh
Camera | Front
Optional camera
HD camera with IR function to support Windows Hello
Optional
Colors
Celestial Blue
Form Factor
Dual screen clamshell laptop
Material
Aluminum
Microphone
Built-in array microphone
Far-field mic array
Speakers
2x 4W speaker with smart AMP technology
2x speaker
Dimensions
Bezels
85% screen-to-body ratio
Size | Depth
268 mm / 10.55 inch
224 mm / 8.82 inch
268 mm
Size | Height
20.9 mm / 0.82 inch
24 mm / 0.94 inch
21 mm
Size | Width
360 mm / 14.17 inch
356 mm / 14.02 inch
360 mm
Weight
2.48 kg / 5.47 lbs
2.5 kg / 5.51 lbs
2.4 kg
Display
Aspect Ratio
16:9
16:9
16:9
Brightness
400 nits
Display Diagonal
15.6 inch
15.6"
15.6 inch
Display Type
IPS, matte
OLED glossy
IPS, matte
Gamut
100% DCI-P3
Resolution
FHD (1920x1080) or 4K UHD (3840x2160)
4K UHD (3840x2160)
4K UHD (3840x2160) or FHD (1920x1080)
Response Time
3 ms
3 ms
Function
Audio
Dolby Atmos
ESS + Hi-Res Audio (HRA) certification, supports smart amplifier, Nahimic Sonic Studio
Graphics
NVIDIA GeForce RTX 3060 6GB, RTX 3070 8GB, or RTX 3080 16GB
NVIDIA GeForce RTX 2060 6GB GDDR6
NVIDIA GeForce RTX 2070 SUPER 8GB or RTX 2080 SUPER 8GB
Keyboard Backlight
Per-key RGB lighting
Per-key RGB lighting
Operating System
Windows 10
Windows 10
Windows 10
Processor
AMD Ryzen 7 5800H or Ryzen 9 5900HX
10th-gen Intel Core i7-10875H or i9-10980HK
RGB Lighting
Aura Sync
Aura Sync
Touch Screen
Yes
Touchpad
12.6" FHD ScreenPad Plus
Variable Framerate
FreeSync
G-Sync
Performance
Durability
MIL-STD 810G
Key Travel
1.9 mm
1.4 mm
1.4 mm
Memory | Capacity
16GB onboard + 1x SO-DIMM, up to 48GB combined
16 or 32 GB soldered
16GB onboard + 1x SO-DIMM (up to 48GB total)
Memory | Type
DDR4 3200MHz
DDR4
DDR4 3200MHz
Power Supply
280 W
230 W
240 W
Storage
Up to 2x 1TB M.2 NVMe PCIe 3.0 SSD
Up to 1TB PCIe Gen3 SSD
Up to 2x 1TB M.2 NVMe PCIe 3.0, RAID 0
Production
Debut
2021-01-13 (CES 2021)
2019
2020-04
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