Lenovo ThinkPad X1 Carbon Gen 8 vs. Lenovo Yoga C940 (14”): Full specs comparison

The following is a comprehensive comparison of the Lenovo ThinkPad X1 Carbon Gen 8 and Lenovo Yoga C940 (14”) specifications, including details on CPU, memory, storage, battery life, display quality, and other features.

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Lenovo ThinkPad X1 Carbon Gen 8 image

Lenovo ThinkPad X1 Carbon Gen 8

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Lenovo Yoga C940 (14”) image

Lenovo Yoga C940 (14”)

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Lenovo ThinkPad X1 Carbon Gen 8 Pros

Reasons that Lenovo ThinkPad X1 Carbon Gen 8 is better than Lenovo Yoga C940 (14”).

Newer manufacturing

2020 vs. 2019

About 20% lighter

Lenovo ThinkPad X1 Carbon Gen 8 weighed 2.40 pounds, 20% lighter than the 2.98 pounds Lenovo Yoga C940 (14”).

WeightLenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
Pound
2.40 lbs.
2.98 lbs.
Kilogram
1.09 kg
1.35 kg

Lenovo Yoga C940 (14”) Pros

Reasons that Lenovo Yoga C940 (14”) is better than Lenovo ThinkPad X1 Carbon Gen 8.

Significantly faster CPU performance

Intel Core i7-1065G7 inside Lenovo Yoga C940 (14”) has a 22% better multi-core CPU performance score than the Intel Core i7-10610U inside Lenovo ThinkPad X1 Carbon Gen 8.

Geekbench 5 multi-core score
Lenovo Yoga C940 (14”) - Intel Core i7-1065G7
3,722
Lenovo Yoga C940 (14”) - Intel Core i5-1035G4
3,347
Lenovo ThinkPad X1 Carbon Gen 8 - Intel Core i7-10610U
3,042
Lenovo ThinkPad X1 Carbon Gen 8 - Intel Core i5-10310U
2,992
Lenovo ThinkPad X1 Carbon Gen 8 - Intel Core i7-10510U
2,942
Lenovo ThinkPad X1 Carbon Gen 8 - Intel Core i5-10210U
2,933
Supports faster memory

Lenovo Yoga C940 (14”) supports a faster memory speed than the Lenovo ThinkPad X1 Carbon Gen 8. It supports up to 3733MHz versus 2133MHz of system memory on the Lenovo ThinkPad X1 Carbon Gen 8.

Memory type and speed
Lenovo Yoga C940 (14”) - LPDDR4X
3,733 MHz
Lenovo ThinkPad X1 Carbon Gen 8 - LPDDR3
2,133 MHz

Key Similars

Similar characteristics share between Lenovo ThinkPad X1 Carbon Gen 8 and Lenovo Yoga C940 (14”).

Supports the same maximum memory size of up to 16GB

Both laptops supports up to 16GB of system memory.

Max system memory size
Lenovo ThinkPad X1 Carbon Gen 8
16 GB
Lenovo Yoga C940 (14”)
16 GB

Prices

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

Lenovo ThinkPad X1 Carbon Gen 8 Price
Lenovo Thinkpad X1 Carbon 14 Inch FHD 1080P Laptop, 8th Gen Intel 4-Core i7-8550U up to 4.0GHz, Intel UHD 620, 16GB DDR4 RAM, 512GB SSD, Backlit Keyboard, FP Reader, Windows 10 (Renewed)
 Lenovo Thinkpad X1 Carbon 14 Inch FHD 1080P Laptop, 8th Gen Intel 4-Core i7-8550U up to 4.0GHz, Intel UHD 620, 16GB DDR4 RAM, 512GB SSD, Backlit Keyboard, FP Reader, Windows 10 (Renewed)
By Lenovo
$379.00
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Lenovo Latest Gen 8 ThinkPad X1 Carbon 14" FHD Ultrabook (400 nits) with 10th Gen Intel i7-10510U Processor up to 4.90 GHz, 1 TB PCIe SSD, 16GB RAM, and Windows 10 Pro
 Lenovo Latest Gen 8 ThinkPad X1 Carbon 14" FHD Ultrabook (400 nits) with 10th Gen Intel i7-10510U Processor up to 4.90 GHz, 1 TB PCIe SSD, 16GB RAM, and Windows 10 Pro
By Lenovo
$988.00
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LENOVO ThinkPad X1 Carbon Gen 8 14" 16GB 256GB SSD Core i5-10310U 1.9GHz Win10P, Black (Renewed)
 LENOVO ThinkPad X1 Carbon Gen 8 14" 16GB 256GB SSD Core i5-10310U 1.9GHz Win10P, Black (Renewed)
By LENOVO
$435.98
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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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Specs Comparison

Availability

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
Released20202019
Release Date
  • Announced at CES 2020
  • Announced at Lenovo Tech Life (Auguest 2019)
PricingStarting at $1,553.30-

Exterior

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
Dimensions12.71” x 8.54” x 0.59” (323 x 217 x 14.95 mm)
Width: 12.71” (323 mm)
Depth: 8.54” (217 mm)
Height: 0.59” (14.95 mm)
12.61” 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)
WeightStarting at 2.40 lbs (1.09 kg)Starting at 2.98 lbs (1.35 kg)
Colors
  • Black
  • Black with Woven Top Cover
    Available only on UHD displays.
Iron Grey Mira
Keyboard and Trackpad
  • Spill-resistant, Backlit with white LED lighting keyboard.
  • New FN row F9-F11
  • Trackpad + TrackPoint® pointing device.
  • Full-size keyboard with 6 rows, multimedia Fn keys, LED backlight.
  • Buttonless glass surface multi-touch touchpad.

Display

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
Size14 Inches14 Inches
Info
  • 14” UHD (3840 x 2160)
    IPS, glossy, Dolby Vision™ HDR 400, 500 nits.
  • 14” WQHD (2560 x 1440)
    IPS, anti-glare, 300 nits.
  • 14” FHD (1920 x 1080)
    IPS, PrivacyGuard, anti-glare, 500 nits.
  • 14” FHD (1920 x 1080)
    IPS, anti-glare, low power, touchscreen, 400 nits.
  • 14” FHD (1920 x 1080)
    IPS, anti-glare, 400 nits.
  • 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).

Ports

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
  • 2 x Thunderbolt™ 3
    Supports Power Delivery & DisplayPort.
  • 2 x USB 3.1 Gen 1
    Full-size USB-A ports (1 port is always on).
  • 1 x Network extension for Ethernet/side mechanical docking
  • 1 x HDMI 1.4
  • 1 x Headphone / mic combo
  • 1 x WWAN slot
  • 1 x Power button
  • 1 x Kensington lock slot
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

Internal Specs

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
Processor
  1. 10th Gen Intel® Core™ i5-10210U
    4 cores, 8 threads, 1.60 → 4.20 GHz, 6MB SmartCache, 15W
  2. 10th Gen Intel® Core™ i7-10510U
    4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
  3. 10th Gen Intel® Core™ i5-10310U with vPro™
    4 cores, 8 threads, 1.70 → 4.40 GHz, 6MB SmartCache, 15W
  4. 10th Gen Intel® Core™ i7-10610U with vPro™
    4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
  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
Integrated Graphics
  1. 10th Gen Intel® Core™ i5-10210U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1100 MHz
  2. 10th Gen Intel® Core™ i7-10510U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
  3. 10th Gen Intel® Core™ i5-10310U with vPro™
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
  4. 10th Gen Intel® Core™ i7-10610U with vPro™
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
  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
Memory
  • 8GB 16GB
    2133 MHz Dual-channel LPDDR3 SRAM.
  • 8GB 12GB 16GB
    3733 MHz Dual-channel LPDDR4X.
Storage
  • 256 GB 512 GB 1 TB
    M.2 2280 PCIe NVMe (Replaceable).
  • 256 GB 512 GB 1TB 2TB
    M.2 2280 PCIe SSD.

Connectivity

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
Wi-Fi
  • Intel® Wi-Fi 6™ AX201 802.11AX (2 x 2)
    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
MoreOptional WWAN: Integrated Global Mobile Broadband 4G LTE-A-

Battery

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
Size
  • 4-cell smart lithium-ion
  • Battery Capacity: 51 Wh
  • 4-cell smart lithium-ion
  • Battery Capacity: 60 Wh
Battery Life
  • Up to 19.5 hours
* Tested with MobileMark 2014
  • Up to 15 hours on FHD panel
  • Up to 10 hours on UHD panel
* Tested with MobileMark 2014.
Power Supply65 W USB (Type-C) power adapter
Supports Rapid Charge.
65 W USB (Type-C) power adapter
Supports Rapid Charge

Software

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
OS
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
  • Windows 10 Home 64-bit
Built-in Apps
  • Lenovo Vantage
  • Lenovo Vantage
  • Microsoft Office 2019
  • McAfee LiveSafe™
  • Dolby Vision™

Camera & Audio

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
Camera
  • Front-facing camera with ThinkShutter privacy cover
    720p (1280 x 720 HD) camera.
  • Optional: Hybrid Infrared (IR) & HD 720p with ThinkShutter
  • Front-facing camera
    720p HD Camera.
Audio
  • Dolby Atmos™ Speaker System
  • 4 x 360-degree far-field microphones
  • Rotating Sound Bar with Dolby Atmos® Speaker System
  • 2 Base Speakers inside D-Cover
  • 2 x far-field microphones

Misc

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
Inking-
  • Support Lenovo Active Pen (included).
Sensors
  • Windows Hello compliant fingerprint reader on the palm rest
  • Optional IR Camera
  • Ambient light sensor
  • Windows Hello compliant fingerprint reader on the palm rest
  • Ambient light sensor
Security
  • Fast Identity Online (FIDO) authentication capabilities
  • Match-on-Chip Fingerprint Reader
  • dTPM 2.0 chip
  • ThinkShutter camera cover
  • Optional: ThinkPad PrivacyGuard
  • Optional: ThinkPad PrivacyAlert*
  • Optional IR Camera
  • Kensington lock slot
  • Windows Hello with Fingerprint Sign in
  • TrueBlock Privacy Shutter
  • Lenovo Privacy Essentials by FigLeaf
In the box
  • ThinkPad X1 Carbon Gen 8
  • 65W AC adapter
  • 4 Cell 51Wh Internal battery
  • Quick Start Guide
-
Warranty1-year Depot or Carry-in-

Key Features

Lenovo ThinkPad X1 Carbon Gen 8Lenovo Yoga C940 (14”)
At Glance
Released in
2020
16:9 4K UHD
14”
2160p 60Hz
Weight
2.40 lb
1.09 kg
Up to
Intel Core i7-10610U
4C/8T, 1.80 → 4.90 GHz
Geekbench 5
968
Single Core
Geekbench 5
3,042
Multi-Core
With integrated
Intel® UHD Graphics
24 Execution Units, 300 → 1150 MHz
Configurable up to
16GB
2133 MHz LPDDR3
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

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