Lenovo Yoga C940 (14”) vs. Lenovo Yoga Slim 7i (15”): Full specs comparison

We thoroughly analyzed technical specifications for Lenovo Yoga C940 (14”) and Lenovo Yoga Slim 7i (15”) models, including CPU, memory, storage, battery life, display quality, and other features.

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Lenovo Yoga C940 (14”) image

Lenovo Yoga C940 (14”)

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Lenovo Yoga Slim 7i (15”) image

Lenovo Yoga Slim 7i (15”)

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Lenovo Yoga C940 (14”) Pros

Reasons that Lenovo Yoga C940 (14”) is better than Lenovo Yoga Slim 7i (15”).

Supports faster memory

Lenovo Yoga C940 (14”) supports a faster memory speed than the Lenovo Yoga Slim 7i (15”). It supports up to 3733MHz versus 2933 MHz of system memory on the Lenovo Yoga Slim 7i (15”).

Memory type and speed
Lenovo Yoga C940 (14”) - LPDDR4X
3,733 MHz
Lenovo Yoga Slim 7i (15”) - DDR4
2,933 MHz
About 26% lighter

Lenovo Yoga C940 (14”) weighed 2.98 pounds, 26% lighter than the 4 pounds Lenovo Yoga Slim 7i (15”).

WeightLenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
Pound
2.98 lbs.
4 lbs.
Kilogram
1.35 kg
1.81 kg

Lenovo Yoga Slim 7i (15”) Pros

Reasons that Lenovo Yoga Slim 7i (15”) is better than Lenovo Yoga C940 (14”).

Newer manufacturing

2020 vs. 2019

Significantly faster CPU performance

Intel Core i7-10750H inside Lenovo Yoga Slim 7i (15”) has a 45% better multi-core CPU performance score than the Intel Core i7-1065G7 inside Lenovo Yoga C940 (14”).

Geekbench 5 multi-core score
Lenovo Yoga Slim 7i (15”) - Intel Core i7-10750H
5,412
Lenovo Yoga Slim 7i (15”) - Intel Core i5-10300H
3,747
Lenovo Yoga C940 (14”) - Intel Core i7-1065G7
3,722
Lenovo Yoga C940 (14”) - Intel Core i5-1035G4
3,347
Supports discrete graphics

Configurable up to NVIDIA GeForce GTX 1650 4GB GDDR6 vs. integrated

11% larger display

Lenovo Yoga Slim 7i (15”) has a 15.6-inch screen size 11% larger than the 14-inch Lenovo Yoga C940 (14”).

Display size
Lenovo Yoga Slim 7i (15”)
15.6-inch
Lenovo Yoga C940 (14”)
14-inch

Key Similars

Similar characteristics share between Lenovo Yoga C940 (14”) and Lenovo Yoga Slim 7i (15”).

Supports the same maximum memory size of up to 16GB

Both laptops supports up to 16GB of system memory.

Max system memory size
Lenovo Yoga C940 (14”)
16 GB
Lenovo Yoga Slim 7i (15”)
16 GB

Prices

Here are the latest price updates and offers for both devices.

Lenovo Yoga C940 (14”) Price
Lenovo Yoga C940-14 FHD Touch - 10th gen i7-1065G7-12GB - 512GB SSD - Gray
 Lenovo Yoga C940-14 FHD Touch - 10th gen i7-1065G7-12GB - 512GB SSD - Gray
By Lenovo
$899.00
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Lenovo Yoga C940-14 FHD Touch - 10th gen i7-1065G7-12GB - 512GB SSD - Gray
 Lenovo Yoga C940-14 FHD Touch - 10th gen i7-1065G7-12GB - 512GB SSD - Gray
By Lenovo
$899.00
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Lenovo Yoga C940 14 Laptop, 2 in 1 FHD IPS Touchscreen Laptop, 10th Gen Intel Core i7-1065G7, 8GB DDR4 RAM, 1TB SSD PCle, Thunderbolt 3, Active Stylus Pen, Fingerprint Reader 3 lbs, TWE Cloth
 Lenovo Yoga C940 14 Laptop, 2 in 1 FHD IPS Touchscreen Laptop, 10th Gen Intel Core i7-1065G7, 8GB DDR4 RAM, 1TB SSD PCle, Thunderbolt 3, Active Stylus Pen, Fingerprint Reader 3 lbs, TWE Cloth
By Lenovo
$969.00
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Lenovo Yoga Slim 7i (15”) Price
Lenovo Yoga 7 7i 2-in-1 Business Laptop (16" FHD+ Touchscreen, AMD Ryzen 7 7735U (Beat i7-1255U), 16GB RAM, 1TB SSD, IST Precision Pen), Backlit, Fingerprint, FHD IR Webcam, Win 11 Pro, Arctic Grey
 Lenovo Yoga 7 7i 2-in-1 Business Laptop (16" FHD+ Touchscreen, AMD Ryzen 7 7735U (Beat i7-1255U), 16GB RAM, 1TB SSD, IST Precision Pen), Backlit, Fingerprint, FHD IR Webcam, Win 11 Pro, Arctic Grey
By Lenovo
$899.89
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2022 Newest Lenovo Yoga 7i 2-in-1 15.6" FHD Touch Screen Premium Laptop | 11th Gen Intel Core i7-1165G7 | 12GB RAM | 1TB SSD | Backlit Keyboard | Fingerprint | Windows 11 | with Stylus Pen Bundle
 2022 Newest Lenovo Yoga 7i 2-in-1 15.6" FHD Touch Screen Premium Laptop | 11th Gen Intel Core i7-1165G7 | 12GB RAM | 1TB SSD | Backlit Keyboard | Fingerprint | Windows 11 | with Stylus Pen Bundle
By Lenovo
$789.99
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LENOVO 2022 Yoga 7i 2-in-1 15.6-inch FHD Touchscreen Premium Laptop PC, Intel Quad-Core i5-1135G7, Intel Iris Xe Graphics, 8GB DDR4 RAM, 256GB SSD, Backlit Keyboard, Windows 10 Home, Gray
 LENOVO 2022 Yoga 7i 2-in-1 15.6-inch FHD Touchscreen Premium Laptop PC, Intel Quad-Core i5-1135G7, Intel Iris Xe Graphics, 8GB DDR4 RAM, 256GB SSD, Backlit Keyboard, Windows 10 Home, Gray
By LENOVO
$679.99
See at Amazon

Specs Comparison

Availability

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
Released20192020
Release Date
  • Announced at Lenovo Tech Life (Auguest 2019)
  • Announced at CES 2020 (January 2020)
Pricing-Starting at $1,209.99

Exterior

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
Dimensions12.61” x 8.54” x 0.57-0.61” (320.3mm x 215.6mm x 14.5-15.7mm)
Width: 12.61” (320.3 mm)
Depth: 8.54” (215.6mm)
Height: 0.57-0.61” (14.5-15.7 mm)
  • Glass Display Model
    • 14" x 9" x 0.62" (356.5 mm x 229 mm x 15.9 mm)
  • Non-glass Display Model
    • 14" x 9" x 0.63" (356.5 mm x 229 mm x 16.1 mm)
WeightStarting at 2.98 lbs (1.35 kg)
  • Glass Display Model
    • Starting at 1.8 kg (4 lbs)
  • Non-glass Display Model
    • Starting at 1.68 kg (3.7 lbs)
Colors
Iron Grey Mira
Slate Grey
Keyboard and Trackpad
  • Full-size keyboard with 6 rows, multimedia Fn keys, LED backlight.
  • Buttonless glass surface multi-touch touchpad.
  • Full-size keyboard with six rows, multimedia Fn keys, numpad, LED backlight.
  • Buttonless glass surface multi-touch touchpad.

Display

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
Size14 Inches15.6 Inches
Info
  • 14” FHD Touch Screen
    1920 x 1080, IPS display, 400 nits luminance, 16:9 aspect ratio, 10-fingure multi-touch.
    Support Lenovo Active Pen (included).
  • 14” 4K HDR UHD Touch Screen
    3840 x 2160, IPS display, HDR 400, 500 nits luminance, 16:9 aspect ratio, 10-fingure multi-touch.
    Support Lenovo Active Pen (included).
15.6" FHD
  • 1920 x 1080, IPS, sRGB 100%, 300 nits, Optional Glass Display.

Ports

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
Lenovo Yoga C940 (14”) Ports
Image Source: Lenovo
Left (4)
  • 1 x USB-A
    USB 3.2 Gen 2 (10 Gbps), Always On
  • 2 x Thunderbolt 3
    40 Gpbs, USB 3.2 Gen 2 (10 Gbps)
  • 1 x headphone jack
    Headphone/Microphone
  • 1 x Thunderbolt 3
    Supports Thunderbolt™ 3.0, USB 3.2 Gen 2, DisplayPort™ 1.4b, and Power Delivery 3.0.
  • 2 x USB 3.2 Gen 1
    Full-size USB Type-A port.
  • 1 x Full-size SD Card Reader
  • 1 x HDMI™ 2.0b
  • 1 x Audio jack
  • 1 x Power adapter

Internal Specs

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
Processor
  1. 10th Gen Intel® Core™ i5-1035G4
    4 cores, 8 threads, 1.10 → 3.70 GHz, 6MB SmartCache, 15W
  2. 10th Gen Intel® Core™ i7-1065G7
    4 cores, 8 threads, 1.30 → 3.90 GHz, 8MB SmartCache, 15W
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
Integrated Graphics
  1. 10th Gen Intel® Core™ i5-1035G4
    Intel® Iris® Plus Graphics
    48 Execution Units, 300 → 1050 MHz
  2. 10th Gen Intel® Core™ i7-1065G7
    Intel® Iris® Plus Graphics
    64 Execution Units, 300 → 1100 MHz
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
Memory
  • 8GB 12GB 16GB
    3733 MHz Dual-channel LPDDR4X.
  • 8GB 16GB
    2933 MHz Dual-channel DDR4.
Discrete Graphics-NVIDIA® GeForce® GTX 1650 4GB
Storage
  • 256 GB 512 GB 1TB 2TB
    M.2 2280 PCIe SSD.
  • 256 GB 512 GB 1TB
    M.2 2280 PCIe SSD.

Connectivity

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
Wi-Fi
  • Lenovo WiFi-5 802.11ac Wireless (2x2)
    Up to 867 Mbps, Dual band 2.4 GHz/5 GHz, 802.11 a/b/g/n/ac.
  • Lenovo WiFi-6 802.11ax Wireless (2x2)
    Up to 2400 Mbps, Dual band 2.4 GHz/5 GHz, 802.11 a/b/g/n/ac/ax.
  • Lenovo WiFi-5 802.11ac Wireless (2x2)
    Up to 867 Mbps, Dual band 2.4 GHz/5 GHz, 802.11 a/b/g/n/ac.
  • Lenovo WiFi-6 802.11ax Wireless (2x2)
    Up to 2400 Mbps, Dual band 2.4 GHz/5 GHz, 802.11 a/b/g/n/ac/ax.
Bluetooth
  • Bluetooth 5.0
  • Bluetooth 5.0

Battery

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
Size
  • 4-cell smart lithium-ion
  • Battery Capacity: 60 Wh
  • 4-cell Li-Polymer
  • Battery Capacity: 70 Wh
Battery Life
  • Up to 15 hours on FHD panel
  • Up to 10 hours on UHD panel
* Tested with MobileMark 2014.
  • Up to 12 hours
* Tested with MobileMark 2014.
Power Supply65 W USB (Type-C) power adapter
Supports Rapid Charge
135 W USB (Type-C) power adapter
Supports Rapid Charge.

Software

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
OS
  • Windows 10 Home 64-bit
  • Windows 10 Home 64-bit
Built-in Apps
  • Lenovo Vantage
  • Microsoft Office 2019
  • McAfee LiveSafe™
  • Dolby Vision™
  • Lenovo Vantage
  • Microsoft Office 2019
  • McAfee LiveSafe™

Camera & Audio

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
Camera
  • Front-facing camera
    720p HD Camera.
  • Front-facing camera
    720p HD Camera.
Audio
  • Rotating Sound Bar with Dolby Atmos® Speaker System
  • 2 Base Speakers inside D-Cover
  • 2 x far-field microphones
  • 1 x Front-facing Dolby Atmos® Speaker System (above keyboard) 2 x D-Cover Speakers
  • Microphones

Misc

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
Inking
  • Support Lenovo Active Pen (included).
-
Sensors
  • Windows Hello compliant fingerprint reader on the palm rest
  • Ambient light sensor
  • Fingerprint Reader Combined with Power Button
  • IR Camera
Security
  • Windows Hello with Fingerprint Sign in
  • TrueBlock Privacy Shutter
  • Lenovo Privacy Essentials by FigLeaf
  • Windows Hello with Fingerprint Sign in
  • Windows Hello with Facial Authentication
In the box-
  • Lenovo Yoga Slim 7 15”
  • 135W AC adapter
  • Internal Battery
  • Quick Start Guide
Warranty-1 Year Depot or Carry-in
More-Digital Assistant
  • Cortana
  • Alexa

Key Features

Lenovo Yoga C940 (14”)Lenovo Yoga Slim 7i (15”)
At Glance
Released in Early
2019
16:9 4K UHD
14”
2160p 60Hz
Weight
2.98 lb
1.35 kg
Up to
Intel Core i7-1065G7
4C/8T, 1.30 → 3.90 GHz
Geekbench 5
1,088
Single Core
Geekbench 5
3,722
Multi-Core
With integrated
Intel® Iris® Plus Graphics
64 Execution Units, 300 → 1100 MHz
Configurable up to
16GB
3733 MHz LPDDR4X
Lenovo Yoga C940 (14”) Ports
Released in
2020
16:9 FHD
15.6”
1080p 60Hz
Weight
4 lb
1.81 kg
Up to
Intel Core i7-10750H
6C/12T, 2.60 → 5.00 GHz
Geekbench 5
1,134
Single Core
Geekbench 5
5,412
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1150 MHz
Up to
16GB
2933 MHz DDR4
NVIDIA GeForce
GTX 1650
4GB GDDR6

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