Lenovo ThinkPad X1 Carbon Gen 8 vs. Dell Precision 7740: Full specs comparison

We thoroughly analyzed technical specifications for Lenovo ThinkPad X1 Carbon Gen 8 and Dell Precision 7740 models, including 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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Dell Precision 7740

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Lenovo ThinkPad X1 Carbon Gen 8 Pros

Reasons that Lenovo ThinkPad X1 Carbon Gen 8 is better than Dell Precision 7740.

Newer manufacturing

2020 vs. 2019

About 65% lighter

Lenovo ThinkPad X1 Carbon Gen 8 weighed 2.40 pounds, 65% lighter than the 6.79 pounds Dell Precision 7740.

WeightLenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
Pound
2.40 lbs.
6.79 lbs.
Kilogram
1.09 kg
3.08 kg

Dell Precision 7740 Pros

Reasons that Dell Precision 7740 is better than Lenovo ThinkPad X1 Carbon Gen 8.

Much faster CPU performance

Intel Xeon E-2286M inside Dell Precision 7740 has a 127% better multi-core CPU performance score than the Intel Core i7-10610U inside Lenovo ThinkPad X1 Carbon Gen 8.

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
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
Dell Precision 7740 - Intel Core i5-9400H
3,690
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 larger memory

Dell Precision 7740 supports a larger memory capacity than the Lenovo ThinkPad X1 Carbon Gen 8. It supports up to 128GB versus 16GB of system memory on the Lenovo ThinkPad X1 Carbon Gen 8.

Max system memory size
Dell Precision 7740
128 GB
Lenovo ThinkPad X1 Carbon Gen 8
16 GB
Supports faster memory

Dell Precision 7740 supports a faster memory speed than the Lenovo ThinkPad X1 Carbon Gen 8. It supports up to 3200MHz versus 2133MHz of system memory on the Lenovo ThinkPad X1 Carbon Gen 8.

Memory type and speed
Dell Precision 7740 - DDR4 ECC
3,200 MHz
Lenovo ThinkPad X1 Carbon Gen 8 - LPDDR3
2,133 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 ThinkPad X1 Carbon Gen 8 since it has onboard memory.

MemoryLenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
Slots
Onboard
x4
TypeLPDDR3DDR4 ECC
Supports discrete graphics

Configurable up to Nvidia Quadro RTX 5000 16GB GDDR6 vs. integrated

23% larger display

Dell Precision 7740 has a 17.3-inch screen size 23% larger than the 14-inch Lenovo ThinkPad X1 Carbon Gen 8.

Display size
Dell Precision 7740
17.3-inch
Lenovo ThinkPad X1 Carbon Gen 8
14-inch

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
$363.59
$390.54 7% OFF
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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
$1,009.99
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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
$495.98
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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" 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
$699.99
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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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Specs Comparison

Availability

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
Released20202019
Release Date
  • Announced at CES 2020
  • Announced at Computex 2019.
  • Available from early July 2019.
PricingStarting at $1,553.30Starting at $1,409
Generations-

Exterior

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
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)
16.3 x 10.7 x 1.03 - 1.19 in (414.2 x 273.7 x 26.15 - 30.3 mm)
WeightStarting at 2.40 lbs (1.09 kg)
  • 6.79 lbs (3.08 Kg)
Colors
  • Black
  • Black with Woven Top Cover
    Available only on UHD displays.
  • Carbon Fiber LCD Cover
  • Aluminum Titan Gray LCD Cover
Keyboard and Trackpad
  • Spill-resistant, Backlit with white LED lighting keyboard.
  • New FN row F9-F11
  • Trackpad + TrackPoint® pointing device.
  • Full-size with optional backlit keyboard.
  • 3.92 x 2.09 in (99.50 mm x 53 mm) touchpad with multi-touch gesture support.

Display

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
Size14 Inches17.3 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.
  • 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

Ports

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
  • 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
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

Internal Specs

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
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. 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
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. 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
Memory
  • 8GB 16GB
    2133 MHz Dual-channel LPDDR3 SRAM.
  • 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
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.
Storage
  • 256 GB 512 GB 1 TB
    M.2 2280 PCIe NVMe (Replaceable).
  • 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

Connectivity

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
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.
  • Intel® Wi-Fi 6 AX200 2x2 .11ax 160MHz
  • Qualcomm QCA61x4A 802.11ac Dual Band, 2x2, Wireless Adapter
Bluetooth
  • Bluetooth 5.0
  • Bluetooth 4.2
  • Bluetooth 5.1
Ethernet-
  • Integrated Intel i219LM 10/100/1000 Mb/s Ethernet (RJ-45 ) with Intel Remote Wake UP and PXE
MoreOptional WWAN: Integrated Global Mobile Broadband 4G LTE-A-

Battery

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
Size
  • 4-cell smart lithium-ion
  • Battery Capacity: 51 Wh
  • 64 Wh (4 Cells, Lithium-Ion Polymer, ExpressCharge™ Capable Battery)
  • 97 Wh (6 Cells, Lithium-Ion Polymer, ExpressCharge™ Capable Battery)
Battery Life
  • Up to 19.5 hours
* Tested with MobileMark 2014		-
Power Supply65 W USB (Type-C) power adapter
Supports Rapid Charge.
240 W power adapter
Power rated at 19.5 VDC/12.31 A.

Software

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
OS
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 7.5
Upgradable to Windows 11
Built-in Apps
  • Lenovo Vantage
  • Microsoft Office 30-days trial
  • McAfee® Small Business Security 30 Day Free Trial

Camera & Audio

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
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
    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.
Audio
  • Dolby Atmos™ Speaker System
  • 4 x 360-degree far-field microphones
  • Realtek ALC3281 MaxxAudio® Pro by Waves
  • Two speakers (2W x 2)
  • Noise-reducing array microphones

Misc

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
Sensors
  • Windows Hello compliant fingerprint reader on the palm rest
  • Optional IR Camera
  • Ambient light sensor
  • An optional fingerprint reader on the power button
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
  • 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)
In the box
  • ThinkPad X1 Carbon Gen 8
  • 65W AC adapter
  • 4 Cell 51Wh Internal battery
  • Quick Start Guide
-
Warranty1-year Depot or Carry-in3 Years Hardware Service with Onsite Service After Remote Diagnosis

Key Features

Lenovo ThinkPad X1 Carbon Gen 8Dell Precision 7740
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
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

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