Compare ASUS Zephyrus Duo GX551 vs ROG Zephyrus Duo GX650 vs Legion Pro 7 GEN 8
Variants
4K
FHD
ScreenPad Plus
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
2x USB 3.2 Type-C Gen2 + 4x USB 3.2 Type-A Gen 1 + 1x HDMI 2.1 + 1x RJ45 + 1x Audio
Wireless Connectivity
WiFi 6 + Bluetooth 5.1
Wi-Fi 6E(802.11ax) (Triple band) 2*2 + Bluetooth® 5.2
WiFi 6E, Bluetooth 5.1
Construction
Battery | Capacity
90 Wh
90WHrs, 4S1P, 4-cell
99.99 Wh
Battery | Type
Lithium-ion polymer battery
Camera
FHD 1080P@30FPS
Built-in Webcam (1080p / 720p) with E-Shutter and Tobii Horizon Support
Camera | Front
Optional camera
Colors
Onyx Grey
Form Factor
Clamshell laptop computer
Material
Aluminum
Aluminum
Microphone
Built-in array microphone
3-microphone array
Speakers
2x 4W speaker with smart AMP technology
6-speaker(dual-force woofer) system
2 x 2W Harman® Super Linear Speaker System and Smart Amp with Nahimic Audio
Dimensions
Bezels
85% screen-to-body ratio
Size | Depth
268 mm / 10.55 inch
266 mm / 10.47"
262.15 mm / 10.32 inch
Size | Height
20.9 mm / 0.82 inch
20.5-29.7 mm / 0.81-1.17 inch
21.95-25.9 mm / 0.86-1.01 inch
Size | Width
360 mm / 14.17 inch
355 mm / 13.98"
363.4 mm / 14.3 inch
Weight
2.48 kg / 5.47 lbs
2.67 kg / 5.89 lbs
from 2.8 kg
Display
Aspect Ratio
16:9
16:10
16:10
Brightness
500 nits
Display Backlight
Mini LED
Display Diagonal
15.6 inch
16 inch
16"
Display Type
IPS, matte
IPS
Gamut
100% DCI-P3
100% RGB
Refresh Rate
240 Hz
240 Hz VRR
Resolution
FHD (1920x1080) or 4K UHD (3840x2160)
QHD+ (2560 x 1600, WQXGA)
WQXGA (2560 x 1600)
Response Time
3 ms
3 ms
3 ms w/ OverDrive
Function
AI
LA2-Q AI chip
Audio
Dolby Atmos
Smart Amp Technology, Dolby Atmos
Fast Charging
Super Rapid Charge (30min Charge 0~80% Capacity, 60min Charge 0~100% Capacity)
Graphics
NVIDIA GeForce RTX 3060 6GB, RTX 3070 8GB, or RTX 3080 16GB
NVIDIA® GeForce RTX™ 4080 12GB / 4090 16GB
NVIDIA® GeForce RTX™ 4080 Laptop GPU 12 GB GDDR6 (175W) / NVIDIA® GeForce RTX™ 4090 Laptop GPU 16 GB GDDR6 (175W)
HDR
VESA DisplayHDR™ 400 Certifie
Keyboard Backlight
Per-key RGB lighting
Per-key RGB
Yes
Operating System
Windows 10
Windows 11 Pro
Windows 11 Pro / Windows 11 Home
Processor
AMD Ryzen 7 5800H or Ryzen 9 5900HX
AMD Ryzen™ 9 7945HX
AMD Ryzen™ 9 7945HX
RGB Lighting
Aura Sync
Touch Screen
ScreenPad Plus (14" 3840x1100 IPS)
Variable Framerate
FreeSync
NVIDIA® G-SYNC™ Support / AMD Freesync Premiu
Performance
Key Travel
1.9 mm
Memory | Capacity
16GB onboard + 1x SO-DIMM, up to 48GB combined
32GB SO-DIMM x 2, Max Capacity : 64GB
Up to 64GB (2x 16GB max from factory)
Memory | Type
DDR4 3200MHz
DDR5-4800 dual channel
Overclocked 6000Mhz DDR5
Power Supply
280 W
ø6.0, 330W AC Adapter
330W Slim Gallium (GaN) Adapter
Storage
Up to 2x 1TB M.2 NVMe PCIe 3.0 SSD
2TB PCIe® 4.0 NVMe™ M.2 Performance SSD
Up to 2 TB PCIe SSD (Gen 4)
Production
Debut
2021-01-13 (CES 2021)
2023-01 (CES 2023)
Reviews
Neofiliac score
90%
82%
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
- Solid construction
- Good performance
- Relatively compact
Cons
- Nothing in particular
- Extremely pricey
- Chassis not capable to use the components at 100%
- Lack of innovation
- Keyboard not centered
- No USB 4
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