Compare Lenovo ThinkBook 14s Yoga vs Lenovo Yoga C640 13

1x Thunderbolt 4 + 1x USB-C 3.1 Gen2 (DisplayPort/Power Delivery) + 2x USB 3.0 Gen1 + 1x HDMI 1.4b + 1x audio combo + 1x microSD

1x USB-C + 2x USB 3.1 Gen1

Bluetooth 5.0 + WiFi 5 or WiFi 6

WiFi 5 or WiFi 6 + Bluetooth + optional 4G LTE

60 Wh

1M slim camera with camera shutter

Abyss Blue (limited edition), Mineral Gray

Iron Grey

360° Yoga hinge, 2-in-1 convertible laptop

2-in-1 convertible laptop

Anodized aluminum with dual tone color exterior + Corning Gorilla Glass touch display

Dual-array mics Microsoft Teams certified

2 x 2W HARMAN-branded speakers Dolby Audio

User-facing stereo speakers

3.47mm sides / 7.19mm top / 12.57mm bottom

216 mm

204.48mm / 8.05 inch

16.9 mm

16.1 mm / 0.63 inch

320 mm

306.8 mm / 12.08 inch

1.5 kg

1.3 kg / 2.87 lbs

300 nits

300 or 400 nits

14-inch

13.3 inch

IPS, touch, Gorilla Glass, 86% screen-to-body ratio

IPS

100% sRGB

FHD, 1920 x 1080

FHD (1920x1080)

Yes, Lenovo Smart Pen

Yes, RapidCharge

Integrated Intel UHD graphics on Unified Memory Architecture (UMA)

Integrated Intel HD 620

Dolby Vision

Yes

Windows 10 Pro (64 bit)

Windows 10

Up to 11th Gen Intel Core i7 processor

10th-gen Intel Core i3, i5, or i7

Micro-SIM

Default Smart Power On

Yes

Yes

Up to 8.6 hours

Up to 20 h

MIL-SPEC Tested

Up to 40GB

Up to 16 GB (soldered)

Dual-channel DDR4

DDR4 2400MHz

Slim Type-C, 65W AC adapter

Dual SSD, each up to 1TB M.2 PCIe

Up to 512 GB PCIe SSD

Docking: ThinkPad USB-C Dock Gen2 / Hybrid USB-C Dock

2020-11

2020-09-29

2019 IFA