Lenovo Yoga C940 (15”) vs. Surface Book 2 15”: Which is better?

Here is a side by side comparison between Lenovo Yoga C940 (15”) and Surface Book 2 15” specs including CPU, RAM, storage, battery, display, and more.

Lenovo Yoga C940 (15”) Pros

Reasons that Lenovo Yoga C940 (15”) is better than Surface Book 2 15”.

Newer manufacturing

2019 vs. 2017

Much faster CPU performance

Intel Core i9-9880H inside Lenovo Yoga C940 (15”) has a 57% better multi-core CPU performance score than the Intel Core i7-8650U inside Surface Book 2 15”.

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
Surface Book 2 15” - Intel Core i7-8650U
3,879
Surface Book 2 15” - Intel Core i5-8350U
2,982
Supports faster memory

Lenovo Yoga C940 (15”) supports a faster memory speed than the Surface Book 2 15”. It supports up to 2666MHz versus 1866MHz of system memory on the Surface Book 2 15”.

Memory type and speed
Lenovo Yoga C940 (15”) - DDR4
2,666 MHz
Surface Book 2 15” - LPDDR3
1,866 MHz

Surface Book 2 15” Pros

Reasons that Surface Book 2 15” is better than Lenovo Yoga C940 (15”).

About 5% lighter

Surface Book 2 15” weighed 4.20 pounds, 5% lighter than the 4.41 pounds Lenovo Yoga C940 (15”).

WeightLenovo Yoga C940 (15”)Surface Book 2 15”
Pound
4.41 lbs.
4.20 lbs.
Kilogram
2.00 kg
1.91 kg

Key Similars

Similar characteristics share between Lenovo Yoga C940 (15”) and Surface Book 2 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 (15”)
16 GB
Surface Book 2 15”
16 GB

Prices

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

Lenovo Yoga C940 (15”) Price
Lenovo Yoga C940-15.6" FHD Touch - i7-9750H - NVIDIA GTX 1650-16GB - 512GB SSD - Gray
Lenovo Yoga C940-15.6" FHD Touch - i7-9750H - NVIDIA GTX 1650-16GB - 512GB SSD - Gray
By Lenovo
$579.00
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
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
$1,249.99
Surface Book 2 15” Price
Microsoft Surface Book 2 15" (Intel Core i7, 16GB RAM, 512 GB), Silver
Microsoft Surface Book 2 15" (Intel Core i7, 16GB RAM, 512 GB), Silver
By Microsoft
$799.99
$899.99 11% OFF
Microsoft Surface Book 2 15" (Intel Core i7, 16GB RAM, 512 GB) (Renewed)
Microsoft Surface Book 2 15" (Intel Core i7, 16GB RAM, 512 GB) (Renewed)
By Microsoft
$564.69
$719.99 22% OFF
NEW Microsoft Surface Book 3 - 15" Touch-Screen - 10th Gen Intel Core i7 - 16GB Memory - 256GB SSD (Latest Model) - Platinum
NEW Microsoft Surface Book 3 - 15" Touch-Screen - 10th Gen Intel Core i7 - 16GB Memory - 256GB SSD (Latest Model) - Platinum
By Microsoft
$1,099.00

Availability

Lenovo Yoga C940 (15”)Surface Book 2 15”
Released20192017
Release Date
  • Announced at Lenovo Tech Life (Auguest 2019)
  • Introduced: October 17, 2017
  • Pre-ordered: November 9, 2017
  • Released: November 16, 2017
Pricing-Starting at 1,999$
Generations-

Exterior

Lenovo Yoga C940 (15”)Surface Book 2 15”
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)
13.5” x 9.87” x 0.57”-0.90” (343 mm x 251 mm x 15 mm-23 mm)
WeightStarting at 4.41 lbs (2.0 kg)
  • Total: 4.20 lbs (1,905 g)
  • Tablet: 1.80 lbs (817 g)
Colors
Iron Grey
Platinum
Keyboard and Trackpad
  • Full-size keyboard with 6 rows, multimedia Fn keys, LED backlight
  • Numeric Keypad
  • Buttonless glass surface multi-touch touchpad
  • Keyboard:
    • Full-size mechanical backlit keyset with 1.55mm travel.
    • Mechanical friction attaches the Clipboard to the keyboard.
  • Trackpad:
    • Larger size 105 mm x 70 mm, glass.
    • Supports up to Five-finger multitouch gesture.

Display

Lenovo Yoga C940 (15”)Surface Book 2 15”
Size15.6 Inches15 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).
  • Display Resolution: 3240 x 2160 (7M Pixels)
  • Display Density: 260 PPI
  • PixelSense™ Display
  • Aspect ratio: 3:2
  • Contrast ratio: 1600:1
  • Inking: designed together with Surface Pen
  • Touch: 10 points multi-touch

Ports

Lenovo Yoga C940 (15”)Surface Book 2 15”
  • 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
Surface Book 2 15” Ports
Image Source: Microsoft
  • 2 x Full-size USB 3.1 Gen 1
  • 1 x USB Type-C 3.1 Gen 1
    Supports Power Delivery and DisplayPort.
  • 2 x Surface Connect™
    1 in tablet, 1 in keyboard base, both supports charging and docking.
  • 1 x Headset jack
  • 1 x Full-size SDXC card reader
    UHS-II Performance

Internal Specs

Lenovo Yoga C940 (15”)Surface Book 2 15”
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™ i5-8350U
    4 cores, 8 threads, 1.70 → 3.60 GHz, 6MB SmartCache, 15W
  2. 8th Gen Intel® Core™ i7-8650U
    4 cores, 8 threads, 1.90 → 4.20 GHz, 8MB 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™ i5-8350U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1100 MHz
  2. 8th Gen Intel® Core™ i7-8650U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1150 MHz
Memory
  • 12GB 16GB
    2666 MHz Dual-channel DDR4 (Soldered).
8GB 16GB
1866 MHz LPDDR3 RAM
Discrete Graphics
  • NVIDIA® GeForce® GTX 1650 with Max-Q (Optional) Turning Architecture, 4GB GDDR5 128-bit, 1395 → 1560 MHz, 1024 CUDA Cores.
  • NVIDIA® GeForce® GTX 1060
    Pascal Architecture, 6GB GDDR5 192-bit, 1404 → 1670 MHz, 1280 CUDA Cores.
Storage
  • 256 GB 512 GB 1TB 2TB
    M.2 2280 PCIe SSD.
256 GB 512 GB 1 TB
1 x M.2 2280 PCIe SSD

Connectivity

Lenovo Yoga C940 (15”)Surface Book 2 15”
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.
  • Wi-Fi 5: IEEE 802.11 a/b/g/n/ac compatible.
Bluetooth
  • Bluetooth 5.0
  • Bluetooth Wireless 4.1 technology

Battery

Lenovo Yoga C940 (15”)Surface Book 2 15”
Size
  • 4-cell smart lithium-ion
  • Battery Capacity: 69 Wh
  • Total: 90Wh
    Clipboard: 23Wh
    Base: 67Wh
Battery Life
  • Up to 12 hours on FHD panel
  • Up to 9 hours on UHD panel
* Tested with MobileMark 2014.
  • Up to 17 hours of video playback
  • Up to 5 hours in tablet mode
Power Supply135 W USB (Type-C) power adapter
Supports Rapid Charge
  • 102W power supply with USB-A (7.5W) charging port.

Software

Lenovo Yoga C940 (15”)Surface Book 2 15”
OS
  • Windows 10 Home 64-bit
Windows 10 Pro (Creators Update)
Free upgrade to Windows 11
Built-in Apps
  • Lenovo Vantage
  • Microsoft Office 2019
  • McAfee LiveSafe™
  • Dolby Vision™
Microsoft Office 365 30-days trial

Camera & Audio

Lenovo Yoga C940 (15”)Surface Book 2 15”
Camera
  • Front-facing camera
    720p HD Camera.
  • Windows Hello face authentication camera (front-facing)
  • 5.0MP front-facing camera with 1080p HD video
  • 8.0MP rear-facing autofocus camera with 1080p HD video
Audio
  • Rotating Sound Bar with Dolby Atmos® Speaker System
  • 2 Base Speakers inside D-Cover
  • 2 x far-field microphones
  • Dual microphones
  • Front-facing stereo speakers with Dolby® Audio™ Premium
  • Support for Windows Sonic for Headphones
  • Support for Dolby® Atmos for Headphones

Misc

Lenovo Yoga C940 (15”)Surface Book 2 15”
Inking
  • Support Lenovo Active Pen (included).
Supports Surface Pen
4096 levels of pressure
Tilt sensing
Best in class latency
Paper feel
0.1mm precision
Sensors
  • Windows Hello compliant fingerprint reader on the palm rest
  • Ambient light sensor
  • Ambient light sensor
  • Accelerometer
  • Gyroscope
  • Magnetometer
Security
  • Windows Hello with Fingerprint Sign in
  • TrueBlock Privacy Shutter
  • Lenovo Privacy Essentials by FigLeaf
  • HW TPM 2.0 chip for enterprise security
  • Enterprise-grade protection with Windows Hello face sign-in
In the box-
  • Surface Book 2 15”
  • Power supply
  • Quick Start Guide
  • Safety and warranty documents
Warranty-One-year limited hardware warranty
More-Supports Surface Dial
Supports both on-screen and off-screen interaction.

Key Features

Lenovo Yoga C940 (15”)Surface Book 2 15”
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 Late
2017
3:2 3.2K
15”
2160p 60Hz
Weight
4.20 lb
1.91 kg
Up to
Intel Core i7-8650U
4C/8T, 1.90 → 4.20 GHz
Geekbench 5
1,106
Single Core
Geekbench 5
3,879
Multi-Core
With integrated
Intel® UHD Graphics 620
24 Execution Units, 300 → 1150 MHz
Configurable up to
16GB
1866 MHz LPDDR3
Surface Book 2 15” Ports
Nvidia GeForce
GTX 1060
6GB GDDR5

Comparison Summary

Lenovo Yoga C940 (15”) vs. Surface Book 2 15”

Lenovo has released the Yoga C940 (15”), a 15.6-inch machine, in mid-2019. It is powered by up to an octa-core Intel Core i9-9880H with a boost clock speed up to 4.80 GHz. The laptop has a dedicated GPU option up to NVIDIA GeForce GTX 1650 with 4GB GDDR5 with Max-Q.

On the other hand, we have the 15-inch Surface Book 2 15” was introduced by Microsoft about two years earlier in late-2017. It comes with up to a quad-core Intel Core i7-8650U with a boost clock speed up to 4.20 GHz. It has a dedicated GPU option up to Nvidia GeForce GTX 1060 with 6GB GDDR5.

Geekbench 5 Single Core

Lenovo Yoga C940 (15”)1
9th Gen Intel® Core™ i7-9750H1,04494.39%
2
9th Gen Intel® Core™ i9-9880H1,06696.38%
Surface Book 2 15”1
8th Gen Intel® Core™ i5-8350U86277.94%
2
8th Gen Intel® Core™ i7-8650U1,106100.00%
01,106

Geekbench 5 Multi Core

Lenovo Yoga C940 (15”)1
9th Gen Intel® Core™ i7-9750H4,88080.00%
2
9th Gen Intel® Core™ i9-9880H6,100100.00%
Surface Book 2 15”1
8th Gen Intel® Core™ i5-8350U2,98248.89%
2
8th Gen Intel® Core™ i7-8650U3,87963.59%
06,100

The Lenovo Yoga C940 (15”) has a 15.6-inch display which is slightly larger than the 15-inch Surface Book 2 15”. In addition, the Lenovo Yoga C940 (15”) weighs 4.41 lbs. about 5% heavier than the 4.20 lbs. Surface Book 2 15”. Moreover, measured at 13.98” x 9.38” x 0.77”, the Lenovo Yoga C940 (15”) is considerably more portable than the Surface Book 2 15” at 13.5” x 9.87” x 0.9”.

Lenovo Yoga C940 (15”)Surface Book 2 15”

Moving over to upgradability, Lenovo claims that the Lenovo Yoga C940 (15”) supports up to 16GB 2666 MHz DDR4 memory. However, it has an onboard memory module that is not upgradable by the users. Fortunately, it comes with a single removable M.2 SSD slot that users can replace and upgrade in the future.

For Surface Book 2 15”, it supports up to 16GB 1866 MHz LPDDR3 memory. Like Lenovo Yoga C940 (15”), it has an onboard memory module that is not upgradable by the users. Luckily, it has a single removable M.2 SSD slot that users can replace or upgrade when needed.

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