Lenovo Yoga C940 (15”) vs. Lenovo ThinkPad X1 Carbon Gen 7: Full specs comparison

We thoroughly analyzed technical specifications for Lenovo Yoga C940 (15”) and Lenovo ThinkPad X1 Carbon Gen 7 models, including CPU, memory, storage, battery life, display quality, and other features.

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Lenovo Yoga C940 (15”) image

Lenovo Yoga C940 (15”)

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Lenovo ThinkPad X1 Carbon Gen 7

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Lenovo Yoga C940 (15”) Pros

Reasons that Lenovo Yoga C940 (15”) is better than Lenovo ThinkPad X1 Carbon Gen 7.

Significantly faster CPU performance

Intel Core i9-9880H inside Lenovo Yoga C940 (15”) has a 27% better multi-core CPU performance score than the Intel Core i7-10710U inside Lenovo ThinkPad X1 Carbon Gen 7.

Geekbench 5 multi-core score
Lenovo Yoga C940 (15”) - Intel Core i9-9880H
6,100
Lenovo Yoga C940 (15”) - Intel Core i7-9750H
4,880
Lenovo ThinkPad X1 Carbon Gen 7 - Intel Core i7-10710U
4,786
Lenovo ThinkPad X1 Carbon Gen 7 - Intel Core i7-8665U
4,209
Lenovo ThinkPad X1 Carbon Gen 7 - Intel Core i5-8365U
3,442
Lenovo ThinkPad X1 Carbon Gen 7 - Intel Core i7-10510U
2,942
Lenovo ThinkPad X1 Carbon Gen 7 - Intel Core i5-10210U
2,933
Lenovo ThinkPad X1 Carbon Gen 7 - Intel Core i7-8565U
2,327
Lenovo ThinkPad X1 Carbon Gen 7 - Intel Core i5-8265U
2,132
Supports faster memory

Lenovo Yoga C940 (15”) supports a faster memory speed than the Lenovo ThinkPad X1 Carbon Gen 7. It supports up to 2666MHz versus 2133MHz of system memory on the Lenovo ThinkPad X1 Carbon Gen 7.

Memory type and speed
Lenovo Yoga C940 (15”) - DDR4
2,666 MHz
Lenovo ThinkPad X1 Carbon Gen 7 - LPDDR3
2,133 MHz
Supports discrete graphics

Configurable up to NVIDIA GeForce GTX 1650 4GB GDDR5 with Max-Q vs. integrated

11% larger display

Lenovo Yoga C940 (15”) has a 15.6-inch screen size 11% larger than the 14-inch Lenovo ThinkPad X1 Carbon Gen 7.

Display size
Lenovo Yoga C940 (15”)
15.6-inch
Lenovo ThinkPad X1 Carbon Gen 7
14-inch

Lenovo ThinkPad X1 Carbon Gen 7 Pros

Reasons that Lenovo ThinkPad X1 Carbon Gen 7 is better than Lenovo Yoga C940 (15”).

About 46% lighter

Lenovo ThinkPad X1 Carbon Gen 7 weighed 2.40 pounds, 46% lighter than the 4.41 pounds Lenovo Yoga C940 (15”).

WeightLenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
Pound
4.41 lbs.
2.40 lbs.
Kilogram
2.00 kg
1.09 kg

Key Similars

Similar characteristics share between Lenovo Yoga C940 (15”) and Lenovo ThinkPad X1 Carbon Gen 7.

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 (15”)
16 GB
Lenovo ThinkPad X1 Carbon Gen 7
16 GB

Prices

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

Lenovo Yoga C940 (15”) Price
Lenovo Yoga C940-15.6" 4K Touch - i7-9750H - NVIDIA GTX 1650-16GB - 512GB SSD - Gray
 Lenovo Yoga C940-15.6" 4K Touch - i7-9750H - NVIDIA GTX 1650-16GB - 512GB SSD - Gray
By Lenovo
$1,499.00
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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
See at Amazon
Lenovo Laptop Charger 65W Watt USB Type C(USB-C) AC Power Adapter - ThinkPad X1 Carbon Gen 11,E16
 Lenovo Laptop Charger 65W Watt USB Type C(USB-C) AC Power Adapter - ThinkPad X1 Carbon Gen 11,E16
By Lenovo
$39.00
$50.00 22% OFF
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Lenovo ThinkPad X1 Carbon Gen 7 Price
Lenovo ThinkPad X1 Carbon 7th Generation Ultrabook, 14" FHD(1920x1080) Display, Intel Core i7-8650U, Up to 3.6GHz, 16GB DDR4 RAM, 512GB SSD, Backlit Keyboard, Fingerprint, Windows 10 Pro (Renewed)
 Lenovo ThinkPad X1 Carbon 7th Generation Ultrabook, 14" FHD(1920x1080) Display, Intel Core i7-8650U, Up to 3.6GHz, 16GB DDR4 RAM, 512GB SSD, Backlit Keyboard, Fingerprint, Windows 10 Pro (Renewed)
By Lenovo
$360.99
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Lenovo ThinkPad X1 Carbon 7th Gen Business Laptop, 14.0-inch FHD (1920 x 1080), 8th Gen Intel Core i7-8565U, 16GB RAM, 256GB SSD, Webcam, Fingerprint Reader, Windows 10 Pro (Renewed)
 Lenovo ThinkPad X1 Carbon 7th Gen Business Laptop, 14.0-inch FHD (1920 x 1080), 8th Gen Intel Core i7-8565U, 16GB RAM, 256GB SSD, Webcam, Fingerprint Reader, Windows 10 Pro (Renewed)
By Lenovo
$339.00
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Lenovo Gen 12 ThinkPad X1 Carbon Laptop with Intel Ultra 7 165U vPro Processor, 14" WUXGA 100% sRGB Touchscreen, 32GB 6400MHz RAM, 1TB Gen4 Performance SSD, FHD+ IR+ RGB Camera, and Windows 11 Pro
 Lenovo Gen 12 ThinkPad X1 Carbon Laptop with Intel Ultra 7 165U vPro Processor, 14" WUXGA 100% sRGB Touchscreen, 32GB 6400MHz RAM, 1TB Gen4 Performance SSD, FHD+ IR+ RGB Camera, and Windows 11 Pro
By Lenovo
$2,499.99
See at Amazon

Specs Comparison

Availability

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
Released20192019
Release Date
  • Announced at Lenovo Tech Life (Auguest 2019)
-

Exterior

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
Dimensions13.98” x 9.38” x 0.68-0.77” (355.2 mm x 238.39 mm x 17.5-19.7 mm)
Width: 13.98” (355.2 mm)
Depth: 9.38” (238.39 mm)
Height: 0.68-0.77” (17.5-19.7 mm)
12.71” x 8.54” x 0.58” (323 x 217 x 14.95 mm)
Width: 12.71” (323 mm)
Depth: 8.54” (217 mm)
Height: 0.58” (14.95 mm)
WeightStarting at 4.41 lbs (2.0 kg)Starting at 2.40 lbs (1.08 kg)
Colors
Iron Grey
Black
Keyboard and Trackpad
  • Full-size keyboard with 6 rows, multimedia Fn keys, LED backlight
  • Numeric Keypad
  • Buttonless glass surface multi-touch touchpad
  • Spill-resistant, Backlit with white LED lighting keyboard.
  • Trackpad + TrackPoint® pointing device.

Display

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
Size15.6 Inches14 Inches
Info
  • 15.6” HDR FHD Touch Screen
    1920 x 1080, IPS display, glossy, VESA-Certified Display HDR™, 500 nits luminance, 16:9 aspect ratio, 10-fingure multi-touch.
    Support Lenovo Active Pen (included).
  • 15.6” 4K HDR UHD Touch Screen
    3840 x 2160, IPS display, glossy, VESA-Certified Display HDR™, 500 nits luminance, 16:9 aspect ratio, 10-fingure multi-touch.
    Support Lenovo Active Pen (included).
  • 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, low power, anti-glare, 400 nits.
  • 14” FHD (1920 x 1080)
    IPS, PrivacyGuard, anti-glare, 400 nits.
  • 14” FHD (1920 x 1080)
    IPS, anti-glare, touchscreen, 300 nits.

Ports

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
  • 2 x Thunderbolt™ 3
    Supports Power Delivery & DisplayPort.
  • 1 x USB 3.1 Gen 2
    Full-size USB Type-A port.
  • 1 x Audio jack
  • 1 x Lenovo Active Pen Storage
  • 2 x Thunderbolt™ 3
    Supports Power Delivery & DisplayPort.
  • 2 x USB 3.1 Gen 1
    Full-size USB-A ports 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

Internal Specs

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
Processor
  1. 9th Gen Intel® Core™ i7-9750H
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W
  2. 9th Gen Intel® Core™ i9-9880H
    8 cores, 16 threads, 2.30 → 4.80 GHz, 16MB SmartCache, 45W
  1. 8th Gen Intel® Core™ i5-8265U
    4 cores, 8 threads, 1.60 → 3.90 GHz, 6MB SmartCache, 15W
  2. 8th Gen Intel® Core™ i5-8365U
    4 cores, 8 threads, 1.60 → 4.10 GHz, 6MB SmartCache, 15W
  3. 8th Gen Intel® Core™ i7-8565U
    4 cores, 8 threads, 1.80 → 4.60 GHz, 8MB SmartCache, 15W
  4. 8th Gen Intel® Core™ i7-8665U
    4 cores, 8 threads, 1.90 → 4.80 GHz, 8MB SmartCache, 15W
  5. 10th Gen Intel® Core™ i5-10210U
    4 cores, 8 threads, 1.60 → 4.20 GHz, 6MB SmartCache, 15W
  6. 10th Gen Intel® Core™ i7-10510U
    4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
  7. 10th Gen Intel® Core™ i7-10710U
    6 cores, 12 threads, 1.10 → 4.70 GHz, 12MB SmartCache, 15W
Integrated Graphics
  1. 9th Gen Intel® Core™ i7-9750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  2. 9th Gen Intel® Core™ i9-9880H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  1. 8th Gen Intel® Core™ i5-8265U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1100 MHz
  2. 8th Gen Intel® Core™ i5-8365U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1100 MHz
  3. 8th Gen Intel® Core™ i7-8565U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1150 MHz
  4. 8th Gen Intel® Core™ i7-8665U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1150 MHz
  5. 10th Gen Intel® Core™ i5-10210U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1100 MHz
  6. 10th Gen Intel® Core™ i7-10510U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
  7. 10th Gen Intel® Core™ i7-10710U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
Memory
  • 12GB 16GB
    2666 MHz Dual-channel DDR4 (Soldered).
  • 8GB 16GB
    2133 MHz Dual-channel LPDDR3 SRAM.
Discrete Graphics
  • NVIDIA® GeForce® GTX 1650 with Max-Q (Optional) Turning Architecture, 4GB GDDR5 128-bit, 1395 → 1560 MHz, 1024 CUDA Cores.
-
Storage
  • 256 GB 512 GB 1TB 2TB
    M.2 2280 PCIe SSD.
  • 256 GB 512 GB 1 TB
    M.2 2280 PCIe NVMe (Replaceable).

Connectivity

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
Wi-Fi
  • 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.
  • Intel Wireless-AC 9560 2x2 AC
    Up to 867 Mbps, Dual band 2.4 GHz/5 GHz, 802.11 a/b/g/n/ac.
Bluetooth
  • Bluetooth 5.0
  • Bluetooth 5.0

Battery

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
Size
  • 4-cell smart lithium-ion
  • Battery Capacity: 69 Wh
  • 4-cell smart lithium-ion
  • Battery Capacity: 51 Wh
Battery Life
  • Up to 12 hours on FHD panel
  • Up to 9 hours on UHD panel
* Tested with MobileMark 2014.
  • Up to 18.3 hours
* Tested with MobileMark 2014
Power Supply135 W USB (Type-C) power adapter
Supports Rapid Charge
65 W USB (Type-C) power adapter
Supports Rapid Charge.

Software

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
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

Camera & Audio

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
Camera
  • Front-facing camera
    720p HD Camera.
  • Front-facing camera
    720p (1280 x 720 HD) camera.
  • IR & 720p HD Camera with microphone
Audio
  • Rotating Sound Bar with Dolby Atmos® Speaker System
  • 2 Base Speakers inside D-Cover
  • 2 x far-field microphones
  • Dolby Atmos™ Speaker System
  • 4 x 360-degree far-field microphones

Misc

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
Inking
  • Support Lenovo Active Pen (included).
-
Sensors
  • Windows Hello compliant fingerprint reader on the palm rest
  • Ambient light sensor
  • Windows Hello compliant fingerprint reader on the palm rest
  • Optional IR Camera
  • Ambient light sensor
Security
  • Windows Hello with Fingerprint Sign in
  • TrueBlock Privacy Shutter
  • Lenovo Privacy Essentials by FigLeaf
  • 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

Key Features

Lenovo Yoga C940 (15”)Lenovo ThinkPad X1 Carbon Gen 7
At Glance
Released in Mid
2019
16:9 4K UHD
15.6”
2160p 60Hz
Weight
4.41 lb
2.00 kg
Up to
Intel Core i9-9880H
8C/16T, 2.30 → 4.80 GHz
Geekbench 5
1,066
Single Core
Geekbench 5
6,100
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1200 MHz
Configurable up to
16GB
2666 MHz DDR4
NVIDIA GeForce
GTX 1650
4GB GDDR5 with Max-Q
Released in
2019
16:9 4K UHD
14”
2160p 60Hz
Weight
2.40 lb
1.09 kg
Up to
Intel Core i7-10710U
6C/12T, 1.10 → 4.70 GHz
Geekbench 5
1,051
Single Core
Geekbench 5
4,786
Multi-Core
With integrated
Intel® UHD Graphics
24 Execution Units, 300 → 1150 MHz
Configurable up to
16GB
2133 MHz LPDDR3

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