Compare Samsung Galaxy Book Flex vs Lenovo Yoga C940 15 vs Lenovo Yoga C640 13
Variants
Flex 13
Flex 15
FHD
4K
Connectivity
Ports
2x Thunderbolt 3 + 1x USB-C + 1x UFS/MicroSD + 1x Audio combo
2x Thunderbolt 3 + 1x USB 3.1 Gen1 + 1x Audio combo
1x USB-C + 2x USB 3.1 Gen1
Wireless Connectivity
WiFi 6 + Bluetooth 5.0
WiFi 6 or WiFi 5, Bluetooth
WiFi 5 or WiFi 6 + Bluetooth + optional 4G LTE
Construction
Battery | Capacity
69.7 Wh
Camera | Front
HD
Colors
Iron Grey
Iron Grey
Form Factor
2-in-1 convertible laptop
2-in-1 convertible laptop
Material
Aluminium
CNC Aluminum
Microphone
Dual Array Mic
Speakers
Rotating Sound Bar with Dolby Atmos Speaker System; 2 Base Speakers inside D-Cover
User-facing stereo speakers
Dimensions
Bezels
3.84mm sides / 6.69mm top / 12.8mm bottom
3.47mm sides / 7.19mm top / 12.57mm bottom
Size | Depth
238.5 mm / 9.39 inch
204.48mm / 8.05 inch
Size | Height
17.5 mm / 0.69 inch
16.1 mm / 0.63 inch
Size | Width
355.5 mm / 13.1 inch
306.8 mm / 12.08 inch
Weight
1.9 kg / 4.19 lbs
1.3 kg / 2.87 lbs
Display
Brightness
500 nits
300 or 400 nits
Display Diagonal
13.3" or 15.6"
15.6 inch
13.3 inch
Display Type
QLED
IPS
Resolution
FHD (1920x1080)
FHD (1920x1080)
Function
Fast Charging
15 Minutes for up to 2 Hours
Graphics
Intel UHD or Intel Iris Plus / optional NVIDIA GeForce MX250 w/ 2GB GDDR5
NVIDIA GeForce GTX 1650
Integrated Intel HD 620
HDR
VESA DisplayHDR
Operating System
Windows 10
Windows 10
Processor
10th-gen Intel Core i7-1065G7
9th-gen Intel Core i7 or i9
10th-gen Intel Core i3, i5, or i7
SIM
Micro-SIM
Security
Fingerprint
Touch Screen
Yes
Performance
Battery Life
Up to 20 h
Memory | Capacity
Up to 12GB
Up to 16 GB
Up to 16 GB (soldered)
Memory | Type
LPDDR4x
DDR4 2400MHz
Storage
Up to 512GB NVMe SSD
Up to 2TB PCIe SSD
Up to 512 GB PCIe SSD
Production
Debut
Samsung Developer Conference 2019
2019 IFA
2019 IFA
Model Name
C940-15IRH
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