Compare Lenovo Yoga Duet 7i vs Lenovo Yoga C640 13
Connectivity
Ports
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
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
Slate Grey or Orchid
Iron Grey
Form Factor
2-in-1 convertible laptop
Speakers
Dolby Audio Speakers + Smart Amp
User-facing stereo speakers
Dimensions
Bezels
3.47mm sides / 7.19mm top / 12.57mm bottom
Size | Depth
205.5 mm
204.48mm / 8.05 inch
Size | Height
9.19 mm
16.1 mm / 0.63 inch
Size | Width
297.4 mm
306.8 mm / 12.08 inch
Weight
Starting at 798.8 g (1.76 lbs)
1.3 kg / 2.87 lbs
Display
Brightness
450 nits
300 or 400 nits
Display Diagonal
13"
13.3 inch
Display Type
IPS
Gamut
100% sRGB
Resolution
2K WQHD (2160 x 1350)
FHD (1920x1080)
Function
Graphics
Intel UHD Graphics
Integrated Intel HD 620
HDR
Dolby Vision
Operating System
Windows 10 Pro or Windows 10 Home
Windows 10
Processor
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
Performance
Battery Life
10.8 h (MobileMark 2014)
Up to 20 h
Memory | Capacity
4 GB / 8 GB / 16 GB
Up to 16 GB (soldered)
Memory | Type
DDR4
DDR4 2400MHz
Storage
PCIe SSD: 128 GB / 256 GB / 512 GB / 1 TB
Up to 512 GB PCIe SSD
Production
Debut
2020-05-26
2019 IFA
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