Compare Yoga Book 9i vs ASUS Zephyrus Duo GX551 vs ASUS Zephyrus G15
Variants
4K
FHD
ScreenPad Plus
240Hz
Connectivity
Ports
3x Thunderbolt 4 + 1x Audio
3x UBS 3.2 Gen2 + 1x USB-C 3.2 Gen2 / DP + 1x HDMI 2.0b + 1x Audio combo + 1x RJ45 + 1x microSD
3x UBS 3.2 Gen1 + 1x USB-C 3.2 Gen2 / DP + 1x HDMI 2.0b + 1x 3.5mm Audio combo + 1x RJ45
Wireless Connectivity
WiFi 6E, Bluetooth 5.2
WiFi 6 + Bluetooth 5.1
WiFi 6 + Bluetooth 5.0
Construction
Battery | Capacity
80 Wh
90 Wh
Camera
FHD IR+RGB (5M USB) Webcam with Privacy Shutter
Camera | Front
Optional camera
Optional
Colors
Tidal Teal
Brushed Black or Prism Gray
Form Factor
2-in-1 laptop computer
Material
Aluminum
Aluminum
Microphone
Built-in array microphone
Array microphone
Speakers
4x Bowers & Wilkins 2.2 channel speakers (2x 2W + 2x 1W)
2x 4W speaker with smart AMP technology
2x 1W speaker with smart AMP technology
Dimensions
Bezels
Top : 11.8 mm (With Bump), 9.8 mm (Without Bump), Left/Right : 2.4 mm, Bottom : 1.8 mm
85% screen-to-body ratio
Size | Depth
203.9 mm / 8.03 inch
268 mm / 10.55 inch
252 mm
Size | Height
15.95 mm / 0.63 inch
20.9 mm / 0.82 inch
19.9 mm
Size | Width
299.1 mm / 11.78 inch
360 mm / 14.17 inch
360 mm
Weight
from 1.38 kg / 3.04 lbs
2.48 kg / 5.47 lbs
2.1 kg
Display
Aspect Ratio
16:10
16:9
16:9
Brightness
400 nits
Display Diagonal
13.3" x 2
15.6 inch
15.6 inch
Display Type
OLED
IPS, matte
IPS, matte
Gamut
100% sRGB, 75.35% Adobe RGB
Refresh Rate
60 Hz
144 or 240 Hz
Resolution
2.8K (2880 x 1800)
FHD (1920x1080) or 4K UHD (3840x2160)
FHD (1920x1080) or QHD (2560x1440)
Response Time
3 ms
Function
Audio
Dolby ® Atmos, Dolby ® Voice
Dolby Atmos
Digitizer
Pen
Fast Charging
Rapid Charge Boost
Graphics
Intel® Iris® Xe
NVIDIA GeForce RTX 3060 6GB, RTX 3070 8GB, or RTX 3080 16GB
NVIDIA GeForce GTX 1660 Ti 6GB or RTX 2060 6GB
HDR
VESA Certified DisplayHDR™ True Black 500
Keyboard Backlight
Per-key RGB lighting
Yes
Operating System
Windows 11 Home / Windows 11 Pro
Windows 10
Windows 10
Processor
Intel Core i5-1335U / i7-1355U
AMD Ryzen 7 5800H or Ryzen 9 5900HX
AMD Ryzen 7 4800HS
RGB Lighting
Aura Sync
Aura Sync
Touch Screen
Yes
Variable Framerate
FreeSync
Adaptive Sync
Performance
Key Travel
1.9 mm
Memory | Capacity
16 GB
16GB onboard + 1x SO-DIMM, up to 48GB combined
8GB onboard + 1x SO-DIMM
Memory | Type
LPDDR5X
DDR4 3200MHz
DDR4 3200MHz
Power Supply
280 W
180 W
Storage
PCIe SSD Gen 4 : 512 GB / 1 TB
Up to 2x 1TB M.2 NVMe PCIe 3.0 SSD
Up to 1TB M.2 NVMe PCIe 3.0
Production
Accessory
Folio Case, Bluetooth® Keyboard
Debut
2023-01 (CES 2023)
2021-01-13 (CES 2021)
2020
Reviews
Neofiliac score
86%
Pros
- Exciting dual OLED displays
- Beautifully constructed
- All Type-C ports support Thunderbolt
- Case and keyboard included
- Stunning dual-screen design
- Excellent performance for a 15.6-inch gaming laptop
- Dual-monitor desktop setup
- 2TB SSD
- Good battery life
- Excellent CPU performance for the price
- Slim, attractive chassis design
- Good keyboard feedback
- Good battery life
Cons
- Limited port selection
- Weak power
- Form factor not the most practical
- Nothing in particular
- Chassis rigidity could be better
- Low color-space coverage
- Thick bezels
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