Compare ROG Zephyrus Duo GX650 vs Legion Pro 7 GEN 8 vs Lenovo Legion Slim 7i
Connectivity
Ports
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
2x Thunderbolt 3.0 + 2x USB 3.2 Gen2 + 1x 4-in-1 SD card reader + 1x Audio jack
Wireless Connectivity
Wi-Fi 6E(802.11ax) (Triple band) 2*2 + Bluetooth® 5.2
WiFi 6E, Bluetooth 5.1
Killer WLAN, Intel WiFi 6, Bluetooth 5.0
Construction
Battery | Capacity
90WHrs, 4S1P, 4-cell
99.99 Wh
71 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
HD Webcam (720p) with Privacy Shutter
Colors
Onyx Grey
Slate Grey
Form Factor
Clamshell laptop computer
Material
Aluminum
Aluminium
Microphone
3-microphone array
Speakers
6-speaker(dual-force woofer) system
2 x 2W Harman® Super Linear Speaker System and Smart Amp with Nahimic Audio
2 x 2W Dolby Atmos Speaker System
Dimensions
Size | Depth
266 mm / 10.47"
262.15 mm / 10.32 inch
250 mm
Size | Height
20.5-29.7 mm / 0.81-1.17 inch
21.95-25.9 mm / 0.86-1.01 inch
17.9 mm
Size | Width
355 mm / 13.98"
363.4 mm / 14.3 inch
356 mm
Weight
2.67 kg / 5.89 lbs
from 2.8 kg
1.8 kg
Display
Aspect Ratio
16:10
16:10
16:9
Brightness
500 nits
300 nits / 300 nits / 600 nits
Display Backlight
Mini LED
Display Diagonal
16 inch
16"
15.6 inch
Display Type
IPS
IPS
Gamut
100% DCI-P3
100% RGB
100% sRGB / 100% sRGB / 100% Adobe RGB
Refresh Rate
240 Hz
240 Hz VRR
60 Hz / 144 Hz / 60 Hz
Resolution
QHD+ (2560 x 1600, WQXGA)
WQXGA (2560 x 1600)
FHD / FHD / 4K UHD
Response Time
3 ms
3 ms w/ OverDrive
Function
AI
LA2-Q AI chip
Audio
Smart Amp Technology, Dolby Atmos
Fast Charging
Super Rapid Charge (30min Charge 0~80% Capacity, 60min Charge 0~100% Capacity)
Graphics
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)
NVIDIA GeForce RTX 2060 with Max-Q Design, GTX 1660 Ti with Max-Q Design, GTX 1650 Ti
HDR
VESA DisplayHDR™ 400 Certifie
Dolby Vision / VESA DisplayHDR 400 (4K UHD only)
Keyboard Backlight
Per-key RGB
Yes
White or RGB lighting (Corsair iCUE)
Operating System
Windows 11 Pro
Windows 11 Pro / Windows 11 Home
Windows 10 Pro
Processor
AMD Ryzen™ 9 7945HX
AMD Ryzen™ 9 7945HX
10th-gen Intel Core i5-10300H, i7-10750H, 10870H, 10875H, i9-10980HK
Security
Fingerprint Reader on Power Button
Touch Screen
ScreenPad Plus (14" 3840x1100 IPS)
Variable Framerate
NVIDIA® G-SYNC™ Support / AMD Freesync Premiu
Performance
Battery Life
7.75
Memory | Capacity
32GB SO-DIMM x 2, Max Capacity : 64GB
Up to 64GB (2x 16GB max from factory)
8 GB / 16 GB / 32 GB
Memory | Type
DDR5-4800 dual channel
Overclocked 6000Mhz DDR5
2933MHz DDR4 or 3200MHz DDR4 (i9 or i7-10875H only)
Power Supply
ø6.0, 330W AC Adapter
330W Slim Gallium (GaN) Adapter
170W (GTX 1650 Ti only) or 230W Slim Adapter
Storage
2TB PCIe® 4.0 NVMe™ M.2 Performance SSD
Up to 2 TB PCIe SSD (Gen 4)
M.2 NVMe PCIe SSD : 512 GB / 1 TB / 2 TB
Production
Availability
2020-10
Debut
2023-01 (CES 2023)
2020-08-31
Made In
China
Reviews
Neofiliac score
90%
82%
Pros
- Very powerful components
- Useful secondary touch display for content creation
- Good port selection
- 6-speaker system
- Solid construction
- Good performance
- Relatively compact
Cons
- Extremely pricey
- Chassis not capable to use the components at 100%
- Lack of innovation
- Keyboard not centered
- No USB 4
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