Compare Lenovo Yoga C740 14 vs Lenovo Yoga Duet 7i vs Lenovo Yoga C640 13
Connectivity
Ports
2x USB-C 3.1 Gen1 + 1x USB 3.1 Gen1 + 1x Audio combo
2x USB-C (also PD 3.0 + DisplayPort), 1x USB-C, SD-card reader, 3.5mm audio jack
1x USB-C + 2x USB 3.1 Gen1
Wireless Connectivity
WiFi 5 or WiFi 6 + Bluetooth
WiFi6, Bluetooth 5, LTE (optional)
WiFi 5 or WiFi 6 + Bluetooth + optional 4G LTE
Construction
Camera | Front
5M IR (fix focus)
Camera | Rear
5M (autofocus)
Colors
Iron Grey, Mica
Slate Grey or Orchid
Iron Grey
Form Factor
2-in-1 convertible laptop
2-in-1 convertible laptop
Material
Aluminum
Speakers
Dolby Atmos Speaker System
Dolby Audio Speakers + Smart Amp
User-facing stereo speakers
Dimensions
Bezels
3.52mm sides / 6.85mm top / 12.36mm bottom
3.47mm sides / 7.19mm top / 12.57mm bottom
Size | Depth
214.6 mm / 8.45 inch
205.5 mm
204.48mm / 8.05 inch
Size | Height
16.9 mm / 0.67 inch
9.19 mm
16.1 mm / 0.63 inch
Size | Width
321.8 mm / 12.67 inch
297.4 mm
306.8 mm / 12.08 inch
Weight
1.37 kg / 3.02 lbs
Starting at 798.8 g (1.76 lbs)
1.3 kg / 2.87 lbs
Display
Brightness
300 nits
450 nits
300 or 400 nits
Display Diagonal
15.6 inch
13"
13.3 inch
Display Type
IPS
IPS
Gamut
72% NTSC
100% sRGB
Resolution
FHD (1920x1080)
2K WQHD (2160 x 1350)
FHD (1920x1080)
Function
Fast Charging
Rapid Charge
Graphics
Integrated Intel Graphics
Intel UHD Graphics
Integrated Intel HD 620
HDR
Dolby Vision
Dolby Vision
Operating System
Windows 10
Windows 10 Pro or Windows 10 Home
Windows 10
Processor
10th-gen Intel Core i5 or i7
10th-gen Intel Core i3-10110U, i5-10210U, or i7-10510U
10th-gen Intel Core i3, i5, or i7
SIM
Micro-SIM
Touch Screen
Yes
Yes
Yes
Performance
Battery Life
Up to 13.7 h
10.8 h (MobileMark 2014)
Up to 20 h
Memory | Capacity
Up to 16 GB
4 GB / 8 GB / 16 GB
Up to 16 GB (soldered)
Memory | Type
DDR4 2666MHz
DDR4
DDR4 2400MHz
Storage
Up to 1 TB PCIe SSD
PCIe SSD: 128 GB / 256 GB / 512 GB / 1 TB
Up to 512 GB PCIe SSD
Production
Debut
2019 IFA
2020-05-26
2019 IFA
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