Dell Precision 7740 vs. Lenovo Yoga C940 (15”): Full specs comparison

We have comprehensively compared the specifications for the Dell Precision 7740 and Lenovo Yoga C940 (15”) models. The report includes detailed information regarding both models' CPU, memory, storage, battery life, display quality, and other features.

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Dell Precision 7740 image

Dell Precision 7740

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Lenovo Yoga C940 (15”)

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Dell Precision 7740 Pros

Reasons that Dell Precision 7740 is better than Lenovo Yoga C940 (15”).

Slightly faster CPU performance

Intel Xeon E-2286M inside Dell Precision 7740 has a 13% better multi-core CPU performance score than the Intel Core i9-9880H inside Lenovo Yoga C940 (15”).

Geekbench 5 multi-core score
Dell Precision 7740 - Intel Xeon E-2286M
6,910
Dell Precision 7740 - Intel Core i9-9980HK
6,504
Dell Precision 7740 - Intel Core i9-9880H
6,100
Lenovo Yoga C940 (15”) - Intel Core i9-9880H
6,100
Dell Precision 7740 - Intel Xeon E-2276M
5,165
Dell Precision 7740 - Intel Core i7-9850H
4,914
Dell Precision 7740 - Intel Core i7-9750H
4,880
Lenovo Yoga C940 (15”) - Intel Core i7-9750H
4,880
Dell Precision 7740 - Intel Core i5-9400H
3,690
Supports larger memory

Dell Precision 7740 supports a larger memory capacity than the Lenovo Yoga C940 (15”). It supports up to 128GB versus 16GB of system memory on the Lenovo Yoga C940 (15”).

Max system memory size
Dell Precision 7740
128 GB
Lenovo Yoga C940 (15”)
16 GB
Supports faster memory

Dell Precision 7740 supports a faster memory speed than the Lenovo Yoga C940 (15”). It supports up to 3200MHz versus 2666MHz of system memory on the Lenovo Yoga C940 (15”).

Memory type and speed
Dell Precision 7740 - DDR4 ECC
3,200 MHz
Lenovo Yoga C940 (15”) - DDR4
2,666 MHz
Upgradable memory

Dell Precision 7740 comes with four SODIMM slots that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Lenovo Yoga C940 (15”) since it has onboard memory.

MemoryDell Precision 7740Lenovo Yoga C940 (15”)
Slots
x4
Onboard
TypeDDR4 ECCDDR4
10% larger display

Dell Precision 7740 has a 17.3-inch screen size 10% larger than the 15.6-inch Lenovo Yoga C940 (15”).

Display size
Dell Precision 7740
17.3-inch
Lenovo Yoga C940 (15”)
15.6-inch

Lenovo Yoga C940 (15”) Pros

Reasons that Lenovo Yoga C940 (15”) is better than Dell Precision 7740.

About 36% lighter

Lenovo Yoga C940 (15”) weighed 4.41 pounds, 36% lighter than the 6.79 pounds Dell Precision 7740.

WeightDell Precision 7740Lenovo Yoga C940 (15”)
Pound
6.79 lbs.
4.41 lbs.
Kilogram
3.08 kg
2.00 kg

Prices

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

Dell Precision 7740 Price
2019 Dell Precision 7740 Laptop 17.3 - Intel Core i7 9th Gen - i7-9850H - Six Core 4.6Ghz - 512GB SSD - 32GB RAM - Nvidia Quadro RTX 3000 - 1920x1080 FHD - Windows 10 Pro Carbon (Renewed)
 2019 Dell Precision 7740 Laptop 17.3 - Intel Core i7 9th Gen - i7-9850H - Six Core 4.6Ghz - 512GB SSD - 32GB RAM - Nvidia Quadro RTX 3000 - 1920x1080 FHD - Windows 10 Pro Carbon (Renewed)
By Dell
$638.26
$729.99 13% OFF
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Dell Precision 7740 17.3" Intel Xeon E-2276m 64GB RAM 1TB SSD Windows 10 Pro (Renewed)
 Dell Precision 7740 17.3" Intel Xeon E-2276m 64GB RAM 1TB SSD Windows 10 Pro (Renewed)
By Dell
$649.99
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Dell Precision 7740 17.3" Mobile Workstation - Intel Core i7-9850H - 16GB RAM - 512GB SSD (Renewed)
 Dell Precision 7740 17.3" Mobile Workstation - Intel Core i7-9850H - 16GB RAM - 512GB SSD (Renewed)
By Dell
$899.95
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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 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 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

Specs Comparison

Availability

Dell Precision 7740Lenovo Yoga C940 (15”)
Released20192019
Release Date
  • Announced at Computex 2019.
  • Available from early July 2019.
  • Announced at Lenovo Tech Life (Auguest 2019)
PricingStarting at $1,409-
Generations-

Exterior

Dell Precision 7740Lenovo Yoga C940 (15”)
Dimensions16.3 x 10.7 x 1.03 - 1.19 in (414.2 x 273.7 x 26.15 - 30.3 mm)13.98” 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)
Weight
  • 6.79 lbs (3.08 Kg)
Starting at 4.41 lbs (2.0 kg)
Colors
  • Carbon Fiber LCD Cover
  • Aluminum Titan Gray LCD Cover
Iron Grey
Keyboard and Trackpad
  • Full-size with optional backlit keyboard.
  • 3.92 x 2.09 in (99.50 mm x 53 mm) touchpad with multi-touch gesture support.
  • Full-size keyboard with 6 rows, multimedia Fn keys, LED backlight
  • Numeric Keypad
  • Buttonless glass surface multi-touch touchpad

Display

Dell Precision 7740Lenovo Yoga C940 (15”)
Size17.3 Inches15.6 Inches
Info
  • 17.3”, HD
    1600 x 900, Anti-Glare, LED Backlight, Non-touch 60% color gamut
  • 17.3”, FHD
    1920 x 1080, Anti-Glare IPS, Non-touch 100% color gamut sRGB
  • 17.3”, UHD
    3840 x 2160, Anti-Glare IGZO, Non-touch 100% AdobeRGB
  • 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).

Ports

Dell Precision 7740Lenovo Yoga C940 (15”)
Dell Precision 7740 Ports
Image Source: Dell
Left (4)
  • 2 x Thunderbolt 3
    40 Gpbs, USB 3.1 Gen 2 (10 Gbps), DisplayPort
  • 1 x full-size SD card slot
  • 1 x Smart Card Reader
Right (4)
  • 1 x headphone jack
    Headphone/Microphone
  • 2 x USB-A
    USB 3.2 Gen 1 (5 Gbps), PowerShare
  • 1 x lock slot
Back (5)
  • 1 x HDMI
    v2.0
  • 1 x Mini DisplayPort
    v1.4
  • 1 x RJ-45
    1 Gbps
  • 1 x USB-A
    USB 3.1 Gen 1 (5 Gbps), PowerShare
  • 1 x power port
  • 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

Internal Specs

Dell Precision 7740Lenovo Yoga C940 (15”)
Processor
  1. 9th Gen Intel® Core™ i5-9400H
    4 cores, 8 threads, 2.50 → 4.30 GHz, 8MB SmartCache, 45W
  2. 9th Gen Intel® Core™ i7-9750H
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W
  3. 9th Gen Intel® Core™ i7-9850H
    6 cores, 12 threads, 2.60 → 4.60 GHz, 12MB SmartCache, 45W
  4. 9th Gen Intel® Core™ i9-9880H
    8 cores, 16 threads, 2.30 → 4.80 GHz, 16MB SmartCache, 45W
  5. 9th Gen Intel® Core™ i9-9980HK
    8 cores, 16 threads, 2.40 → 5.00 GHz, 16MB SmartCache, 45W
  6. Intel Xeon E-2276M
    6 cores, 12 threads, 2.80 → 4.70 GHz, 12MB SmartCache, 45W
  7. Intel Xeon E-2286M
    8 cores, 16 threads, 2.40 → 5.00 GHz, 16MB SmartCache, 45W
  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
Integrated Graphics
  1. 9th Gen Intel® Core™ i5-9400H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  2. 9th Gen Intel® Core™ i7-9750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 9th Gen Intel® Core™ i7-9850H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  4. 9th Gen Intel® Core™ i9-9880H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  5. 9th Gen Intel® Core™ i9-9980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
  6. Intel Xeon E-2276M
    Intel® UHD Graphics P630
    24 Execution Units, 350 → 1200 MHz
  7. Intel Xeon E-2286M
    Intel® UHD Graphics P630
    24 Execution Units, 350 → 1250 MHz
  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
Memory
  • Memory Slots
    • 4 x DDR4 SODIMM
  • Memory Configurations
    • Minimum Memory: 8GB
    • Maximum Memory: 128B
    • Memory Type: DDR4 ECC or Non-ECC memory
    • Memory Speed: 2666 MHz or 3200 MHz
  • 12GB 16GB
    2666 MHz Dual-channel DDR4 (Soldered).
Discrete Graphics
  • AMD Radeon Pro WX 3200 (Optional)
    GCN 4.0 Architecture, 4GB GDDR5 128-bit, 1295 MHz, 640 Shading Units.
  • Radeon Pro WX 7130 w/8GB GDDR5 (Optional)
    GCN 4.0 Architecture, 4GB GDDR5 128-bit, 1188 → 1243 MHz, 2304 Shading Units.
  • NVIDIA Quadro RTX 3000 Mobile (Optional)
    Turning Architecture, 6GB GDDR6 256-bit, 945→ 1380 MHz, 2,304 Shading Units.
  • NVIDIA Quadro RTX 4000 Mobile (Optional)
    Turning Architecture, 8GB GDDR6 256-bit, 1110→ 1560 MHz, 2,560 Shading Units.
  • NVIDIA Quadro RTX 5000 Mobile (Optional)
    Turning Architecture, 16GB GDDR6 256-bit, 1035→ 1545 MHz, 3,072 Shading Units.
  • NVIDIA® GeForce® GTX 1650 with Max-Q (Optional) Turning Architecture, 4GB GDDR5 128-bit, 1395 → 1560 MHz, 1024 CUDA Cores.
Storage
  • Hard Drive Slots
    • 4 x M.2 2280 PCIe SSD slot
    • 1 x 2.5 inches hard drive slot
      Available only on a 4-cell 64Wh battery model.
  • Hard Drive Configurations
    • Up to 8TB M.2 NVMe PCIe SSD
    • Up to 2TB SATA Hard Drive
  • 256 GB 512 GB 1TB 2TB
    M.2 2280 PCIe SSD.

Connectivity

Dell Precision 7740Lenovo Yoga C940 (15”)
Wi-Fi
  • Intel® Wi-Fi 6 AX200 2x2 .11ax 160MHz
  • Qualcomm QCA61x4A 802.11ac Dual Band, 2x2, Wireless Adapter
  • 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 4.2
  • Bluetooth 5.1
  • Bluetooth 5.0
Ethernet
  • Integrated Intel i219LM 10/100/1000 Mb/s Ethernet (RJ-45 ) with Intel Remote Wake UP and PXE
-

Battery

Dell Precision 7740Lenovo Yoga C940 (15”)
Size
  • 64 Wh (4 Cells, Lithium-Ion Polymer, ExpressCharge™ Capable Battery)
  • 97 Wh (6 Cells, Lithium-Ion Polymer, ExpressCharge™ Capable Battery)
  • 4-cell smart lithium-ion
  • Battery Capacity: 69 Wh
Battery Life-
  • Up to 12 hours on FHD panel
  • Up to 9 hours on UHD panel
* Tested with MobileMark 2014.
Power Supply240 W power adapter
Power rated at 19.5 VDC/12.31 A.
135 W USB (Type-C) power adapter
Supports Rapid Charge

Software

Dell Precision 7740Lenovo Yoga C940 (15”)
OS
Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 7.5
Upgradable to Windows 11
  • Windows 10 Home 64-bit
Built-in Apps
  • Microsoft Office 30-days trial
  • McAfee® Small Business Security 30 Day Free Trial
  • Lenovo Vantage
  • Microsoft Office 2019
  • McAfee LiveSafe™
  • Dolby Vision™

Camera & Audio

Dell Precision 7740Lenovo Yoga C940 (15”)
Camera
  • Front-facing camera
    Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
  • Optional Windows Hello Infrared Camera
    0.30 Megapixels (340 x 340) at 60 fps.
  • Front-facing camera
    720p HD Camera.
Audio
  • Realtek ALC3281 MaxxAudio® Pro by Waves
  • Two speakers (2W x 2)
  • Noise-reducing array microphones
  • Rotating Sound Bar with Dolby Atmos® Speaker System
  • 2 Base Speakers inside D-Cover
  • 2 x far-field microphones

Misc

Dell Precision 7740Lenovo Yoga C940 (15”)
Inking-
  • Support Lenovo Active Pen (included).
Sensors
  • An optional fingerprint reader on the power button
  • Windows Hello compliant fingerprint reader on the palm rest
  • Ambient light sensor
Security
  • Intel® vPro™ Technology (iAMT 12) (optional, requires Intel WiFi® Link WLAN and a vPro compatible processor), Dell Client Command Suite available (dell.com/command), Factory Installed Dell Client Command | Update, Dell Command | Power Manager,
  • Intel® Platform Trust Technology,
  • Trusted Platform Module (TPM) 2.0
  • Chassis wedge-shaped security lock
  • Support for Computrace and SmartCard Reader
  • Fingerprint reader or FIPS Fingerprint reader
  • Touch Fingerprint Reader with Control Vault 3.0 (Advanced Authentication with FIPS 140-2 Level 3 Certification)
  • Contacted Smart Card (FIPS 201 with Control Vault 3.0 Advanced Authentication with FIPS 140-2 level 3 Certification)
  • Contactless Smart Card
  • NFC/CSC (Check regional availability)
  • Windows Hello with Fingerprint Sign in
  • TrueBlock Privacy Shutter
  • Lenovo Privacy Essentials by FigLeaf
Warranty3 Years Hardware Service with Onsite Service After Remote Diagnosis-

Key Features

Dell Precision 7740Lenovo Yoga C940 (15”)
At Glance
Released in
2019
16:9 4K UHD
17.3”
2160p 60Hz
Weight
6.79 lb
3.08 kg
Up to
Intel Xeon E-2286M
8C/16T, 2.40 → 5.00 GHz
Geekbench 5
1,192
Single Core
Geekbench 5
6,910
Multi-Core
With integrated
Intel® UHD Graphics P630
24 Execution Units, 350 → 1250 MHz
Upgradable up to
128GB
3200 MHz DDR4 ECC
Dell Precision 7740 Ports
Nvidia Quadro
RTX 5000
16GB GDDR6
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

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