Lenovo Legion Y740 15” vs. Lenovo ThinkPad X1 Carbon Gen 8: Full specs comparison

We have comprehensively analyzed the technical specifications for the Lenovo Legion Y740 15” and Lenovo ThinkPad X1 Carbon Gen 8 models. Our report includes intricate details such as the CPU, memory, storage, battery life, display quality, and other features.

Lenovo Legion Y740 15” Pros

Reasons that Lenovo Legion Y740 15” is better than Lenovo ThinkPad X1 Carbon Gen 8.

Much faster CPU performance

Intel Core i7-9750H inside Lenovo Legion Y740 15” has a 60% 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 Legion Y740 15” - Intel Core i7-9750H
4,880
Lenovo Legion Y740 15” - Intel Core i7-8750H
4,470
Lenovo Legion Y740 15” - Intel Core i5-8300H
3,269
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

Lenovo Legion Y740 15” supports a larger memory capacity than the Lenovo ThinkPad X1 Carbon Gen 8. It supports up to 32GB versus 16GB of system memory on the Lenovo ThinkPad X1 Carbon Gen 8.

Max system memory size
Lenovo Legion Y740 15”
32 GB
Lenovo ThinkPad X1 Carbon Gen 8
16 GB
Supports faster memory

Lenovo Legion Y740 15” 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
Lenovo Legion Y740 15” - DDR4
3,200 MHz
Lenovo ThinkPad X1 Carbon Gen 8 - LPDDR3
2,133 MHz
Upgradable memory

Lenovo Legion Y740 15” comes with two 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 Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
Slots
x2
Onboard
TypeDDR4LPDDR3
Supports discrete graphics

Configurable up to NVIDIA GeForce RTX 2080 8GB GDDR6 with Max-Q vs. integrated

11% larger display

Lenovo Legion Y740 15” has a 15.6-inch screen size 11% larger than the 14-inch Lenovo ThinkPad X1 Carbon Gen 8.

Display size
Lenovo Legion Y740 15”
15.6-inch
Lenovo ThinkPad X1 Carbon Gen 8
14-inch

Lenovo ThinkPad X1 Carbon Gen 8 Pros

Reasons that Lenovo ThinkPad X1 Carbon Gen 8 is better than Lenovo Legion Y740 15”.

Newer manufacturing

2020 vs. 2019

About 51% lighter

Lenovo ThinkPad X1 Carbon Gen 8 weighed 2.40 pounds, 51% lighter than the 4.85 pounds Lenovo Legion Y740 15”.

WeightLenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
Pound
4.85 lbs.
2.40 lbs.
Kilogram
2.20 kg
1.09 kg

Prices

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

Lenovo Legion Y740 15” Price
Lenovo Legion Y740 15-Inch Iron Grey Laptop (81UH0001US) Intel i7-9750H, 16GB RAM, 256GB SSD, 15.6-inch FHD 1920x1080, NVIDIA GeForce RTX2070, Win10 Home, 720p Webcam, RGB Backlit KB, 230W SlimTip AC
Lenovo Legion Y740 15-Inch Iron Grey Laptop (81UH0001US) Intel i7-9750H, 16GB RAM, 256GB SSD, 15.6-inch FHD 1920x1080, NVIDIA GeForce RTX2070, Win10 Home, 720p Webcam, RGB Backlit KB, 230W SlimTip AC
By Lenovo
$2,499.00
New Gneuine Replacement LCD Back Cover for Lenovo Legion Y740-15 Series with Antenna Cables 5CB0S16417
New Gneuine Replacement LCD Back Cover for Lenovo Legion Y740-15 Series with Antenna Cables 5CB0S16417
By Comp XP
$189.95
New Genuine Replacement Palmrest Touchpad Keyboard for Lenovo Ideapad Legion Y740-15 Legion Y740-15ICHg (Lenovo) 81HE Legion Y740-15IRH (ideapad) 81UF Legion Y740-15IRHg Laptop (ideapad) 5CB0S16420
New Genuine Replacement Palmrest Touchpad Keyboard for Lenovo Ideapad Legion Y740-15 Legion Y740-15ICHg (Lenovo) 81HE Legion Y740-15IRH (ideapad) 81UF Legion Y740-15IRHg Laptop (ideapad) 5CB0S16420
By COMP XP
$309.95
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
$449.99
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
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
$415.98

Availability

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
Released20192020
Release Date
  • Announced at CES 2019
  • Available in February 2019
  • Refreshed in April 2019 for 9th Gen Intel processors
  • Announced at CES 2020
PricingStarting at $1,749.99Starting at $1,553.30

Exterior

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
Dimensions14.2” x 10.5” x 0.88” / 361.42 x 267 x 22.45 (mm)12.71” 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)
WeightStarting at 4.85 lbs (2.2 kg)Starting at 2.40 lbs (1.09 kg)
ColorsIron Grey
  • Black
  • Black with Woven Top Cover
    Available only on UHD displays.
Keyboard and Trackpad
  • Keyboard
    • Backlit full-size, Backlit with Corsair® iCUE RGB lighting keyboard.
    • The water-repellent keyboard delivers 100% anti-ghosting.
  • Touchpad
    • Precision Touchpad.
    • Supports multi-touch gesture.
    • Two physical left-right click buttons.
  • Spill-resistant, Backlit with white LED lighting keyboard.
  • New FN row F9-F11
  • Trackpad + TrackPoint® pointing device.

Display

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
Size15.6 Inches14 Inches
Info
  • 15.6" FHD 144Hz
    1920 x 1080, IPS, Dolby Vision HDR400 Enabled, 144 Hz, 72% Color Gamut, 500 nits, NVIDIA® G-Sync™.
  • 15.6" FHD 144Hz
    1920 x 1080, IPS, 144 Hz, 72% Color Gamut, 300 nits, NVIDIA® G-Sync™.
  • 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.

Ports

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
  1. 1 x USB 3.1 Gen 2 Type-C with Intel Thunderbolt 3 (DisplayPort, Data transfer)
  2. 1 x USB 3.1 Gen 2
  3. 2 x USB 3.1 Gen 1
  4. 1 x Mini DisplayPort ™ 1.4
  5. 1 x HDMI™ 2.0
  6. 1 x RJ45 Ethernet
  7. 1 x Kensington® Wedge Lock slot
  8. 1 x 3.5mm microphone/headphone combo
  9. 1 x NOVO hole
  • 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

Internal Specs

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
Processor
  1. 8th Gen Intel® Core™ i5-8300H
    4 cores, 8 threads, 2.30 → 4.00 GHz, 8MB SmartCache, 45W
  2. 8th Gen Intel® Core™ i7-8750H
    6 cores, 12 threads, 2.20 → 4.10 GHz, 9MB SmartCache, 45W
  3. 9th Gen Intel® Core™ i7-9750H
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W
  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
Integrated Graphics
  1. 8th Gen Intel® Core™ i5-8300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1000 MHz
  2. 8th Gen Intel® Core™ i7-8750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  3. 9th Gen Intel® Core™ i7-9750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  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
Memory
  • Memory Slots
    • 2 x DDR4 SODIMM
  • Memory Configurations
    • Minimum Memory: 8GB
    • Maximum Memory: 32GB
    • Memory Speed: 2666MHz or 3200MHz
  • 8GB 16GB
    2133 MHz Dual-channel LPDDR3 SRAM.
Discrete Graphics
  • NVIDIA® GeForce® RTX 2080 with Max-Q 8GB GDDR 6& G-SYNC support
  • NVIDIA® GeForce® RTX 2070 with Max-Q 8GB GDDR 6 & G-SYNC support
  • NVIDIA® GeForce® RTX 2060 6GB GDDR 6 & G-SYNC support
  • NVIDIA® GeForce® GTX 1660 Ti 6GB GDDR 6
-
Storage
  • Storage Slots
    • 1 x M.2 2230/2280 PCIe SSD slot
    • 1 x 2.5 inches hard drive slot
  • Storage Configurations
    • 128 GB/256 GB/512 GB/1 TB PCIe NVMe SSD
    • 1 TB/2 TB HDD
  • 256 GB 512 GB 1 TB
    M.2 2280 PCIe NVMe (Replaceable).

Connectivity

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
Wi-FiKiller™ Wireless 802.11 AC (2 x 2)
Up to 867 Mbps, WiFi 802.11 b/g/a/n/ac.
  • 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.
BluetoothBluetooth 5.0
  • Bluetooth 5.0
EthernetGigabit LAN
Speed: 10/100/1000 Mbps.
-
More-Optional WWAN: Integrated Global Mobile Broadband 4G LTE-A

Battery

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
Size
  • 57 Wh (3 Cell Li-Polymer)
  • 76 Wh (4 Cell Li-Polymer)
  • 4-cell smart lithium-ion
  • Battery Capacity: 51 Wh
Battery LifeUp to 5 hours
  • Up to 19.5 hours
* Tested with MobileMark 2014
Power Supply230W AC power adapter
Lenovo proprietary charging port.
65 W USB (Type-C) power adapter
Supports Rapid Charge.

Software

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
OS
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
Built-in Apps
  • Lenovo Vantage
  • McAfee® Antivirus
  • Corsair® iCUE
  • PC Manager
  • Lenovo Antivirus Plus
  • Magic Y Key
  • Lenovo Vantage

Camera & Audio

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
CameraFront-facing camera
Bottom-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
  • Front-facing camera with ThinkShutter privacy cover
    720p (1280 x 720 HD) camera.
  • Optional: Hybrid Infrared (IR) & HD 720p with ThinkShutter
Audio
  • Dolby Atmos® Speaker System with Soundbar and integrated subwoofer with Smart AMP technology for gaming.
  • Dual-array microphones
  • Dolby Atmos™ Speaker System
  • 4 x 360-degree far-field microphones

Misc

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
Sensors-
  • Windows Hello compliant fingerprint reader on the palm rest
  • Optional IR Camera
  • Ambient light sensor
Security
  • Chassis Kensington® Wedge security lock
  • 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
In the box
  • Legion Y740 15"
  • 230W AC Adapter
  • 3 Cell Li-Polymer, 57Wh
  • Quick start guide
  • ThinkPad X1 Carbon Gen 8
  • 65W AC adapter
  • 4 Cell 51Wh Internal battery
  • Quick Start Guide
Warranty1 Year Depot or Carry-in1-year Depot or Carry-in

Key Features

Lenovo Legion Y740 15”Lenovo ThinkPad X1 Carbon Gen 8
At Glance
Released in
2019
16:9 FHD
15.6”
1080p 144Hz
Weight
4.85 lb
2.20 kg
Up to
Intel Core i7-9750H
6C/12T, 2.60 → 4.50 GHz
Geekbench 5
1,044
Single Core
Geekbench 5
4,880
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1150 MHz
Upgradable up to
32GB
3200 MHz DDR4
NVIDIA GeForce
RTX 2080
8GB GDDR6 with Max-Q
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

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