Samsung Galaxy Book Flex 13” vs. Lenovo Legion Y540 15”: Which is better?

Here is a side by side comparison between Samsung Galaxy Book Flex 13” and Lenovo Legion Y540 15” specs including CPU, RAM, storage, battery, display, and more.

Samsung Galaxy Book Flex 13” Pros

Reasons that Samsung Galaxy Book Flex 13” is better than Lenovo Legion Y540 15”.

Supports faster memory

Samsung Galaxy Book Flex 13” supports a faster memory speed than the Lenovo Legion Y540 15”. It supports up to 3733MHz versus 2666MHz of system memory on the Lenovo Legion Y540 15”.

Memory type and speed
Samsung Galaxy Book Flex 13” - LPDDR4X
3,733 MHz
Lenovo Legion Y540 15” - DDR4
2,666 MHz
About 50% lighter

Samsung Galaxy Book Flex 13” weighed 2.56 pounds, 50% lighter than the 5.1 pounds Lenovo Legion Y540 15”.

WeightSamsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
Pound
2.56 lbs.
5.1 lbs.
Kilogram
1.16 kg
2.31 kg

Lenovo Legion Y540 15” Pros

Reasons that Lenovo Legion Y540 15” is better than Samsung Galaxy Book Flex 13”.

Significantly faster CPU performance

Intel Core i7-9750HF inside Lenovo Legion Y540 15” has a 29% better multi-core CPU performance score than the Intel Core i7-1065G7 inside Samsung Galaxy Book Flex 13”.

Geekbench 5 multi-core score
Lenovo Legion Y540 15” - Intel Core i7-9750H
4,880
Lenovo Legion Y540 15” - Intel Core i7-9750HF
4,836
Samsung Galaxy Book Flex 13” - Intel Core i7-1065G7
3,722
Lenovo Legion Y540 15” - Intel Core i5-9300H
3,308
Supports larger memory

Lenovo Legion Y540 15” supports a larger memory capacity than the Samsung Galaxy Book Flex 13”. It supports up to 32GB versus 16GB of system memory on the Samsung Galaxy Book Flex 13”.

Max system memory size
Lenovo Legion Y540 15”
32 GB
Samsung Galaxy Book Flex 13”
16 GB
Upgradable memory

Lenovo Legion Y540 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 Samsung Galaxy Book Flex 13” since it has onboard memory.

MemorySamsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
Slots
Onboard
x2
TypeLPDDR4XDDR4
Supports discrete graphics

Configurable up to NVIDIA GeForce GTX 1660Ti 6GB GDDR6 vs. integrated

17% larger display

Lenovo Legion Y540 15” has a 15.6-inch screen size 17% larger than the 13.3-inch Samsung Galaxy Book Flex 13”.

Display size
Lenovo Legion Y540 15”
15.6-inch
Samsung Galaxy Book Flex 13”
13.3-inch

Prices

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

Samsung Galaxy Book Flex 13” Price
Samsung Galaxy Book2 Pro 360 13 2-in-1 Laptop 13.3" FHD AMOLED Touchscreen Intel 12-Core i7-1260P 16GB RAM 1TB SSD Backlit Fingerprint Thunderbolt USB-C FHD Camera S Pen Win11
Samsung Galaxy Book2 Pro 360 13 2-in-1 Laptop 13.3" FHD AMOLED Touchscreen Intel 12-Core i7-1260P 16GB RAM 1TB SSD Backlit Fingerprint Thunderbolt USB-C FHD Camera S Pen Win11
By Samsung
$949.00
$999.00 5% OFF
SAMSUNG Galaxy Book Pro 360 13" 512GB Mystic Navy, NP930QDB-KE4US Intel Core i7-1165G7 Processor 2.80 GHz Windows 11 Home (Renewed)
SAMSUNG Galaxy Book Pro 360 13" 512GB Mystic Navy, NP930QDB-KE4US Intel Core i7-1165G7 Processor 2.80 GHz Windows 11 Home (Renewed)
By SAMSUNG
$695.99
Samsung Galaxy Book Flex 13.3” Laptop|QLED Display and Intel Core i7 Processor|8GB Memory|512GB SSD|Long Battery Life and Bluetooth-Enabled S Pen|(NP930QCG-K01US),Royal Blue
Samsung Galaxy Book Flex 13.3” Laptop|QLED Display and Intel Core i7 Processor|8GB Memory|512GB SSD|Long Battery Life and Bluetooth-Enabled S Pen|(NP930QCG-K01US),Royal Blue
By SAMSUNG
$1,299.00
Lenovo Legion Y540 15” Price
Lenovo Legion Y540-15 Gaming Laptop, 15.6" IPS, 60Hz, 300 nits, Intel Core i7-9750H Processor, 16G DDR4 2666Mz, 512GB, 1TB 7200, NVIDIA GTX1660Ti, Win 10, 81SX00NNUS, Raven Black
Lenovo Legion Y540-15 Gaming Laptop, 15.6" IPS, 60Hz, 300 nits, Intel Core i7-9750H Processor, 16G DDR4 2666Mz, 512GB, 1TB 7200, NVIDIA GTX1660Ti, Win 10, 81SX00NNUS, Raven Black
By Lenovo
$1,243.60
Lenovo Legion Y540 15.6" Gaming Laptop 144Hz i7-9750H 16GB RAM 256GB SSD GTX 1660Ti 6GB - 9th Gen i7-9750H Hexa-Core - 144Hz Refresh Rate - NVIDIA GeForce GTX 1660Ti 6GB GDDR6 - Legion Ultimate S
Lenovo Legion Y540 15.6" Gaming Laptop 144Hz i7-9750H 16GB RAM 256GB SSD GTX 1660Ti 6GB - 9th Gen i7-9750H Hexa-Core - 144Hz Refresh Rate - NVIDIA GeForce GTX 1660Ti 6GB GDDR6 - Legion Ultimate S
By Lenovo
$1,079.00
Lenovo Legion Y540 15.6 Inch FHD 1080P Gaming Laptop (Intel 6-Core i7-9750H up to 4.5GHz, NVIDIA GeForce GTX 1650 4GB, 32GB DDR4 RAM, 1TB SSD (Boot) + 1TB HDD, Backlit Keyboard, Windows 10)
Lenovo Legion Y540 15.6 Inch FHD 1080P Gaming Laptop (Intel 6-Core i7-9750H up to 4.5GHz, NVIDIA GeForce GTX 1650 4GB, 32GB DDR4 RAM, 1TB SSD (Boot) + 1TB HDD, Backlit Keyboard, Windows 10)
By Lenovo
$1,276.00

Availability

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
Released20192019
Release Date
  • Announced at Samsung Developer Conference 2019 (SDC19)
  • Announced on October 30, 2019
  • Announced at CES 2019
  • Refreshed in April 2019 for 9th Gen Intel processors
  • Available in May 2019
Pricing
  • 1349.99 - i7 | 16GB RAM | 512GB SSD
Starting at $929.99

Exterior

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
Dimensions11.91" x 7.99" x 0.51" (302.6 x 202.9 x 12.9 mm)14.17” x 10.51” x 0.95” - 1.02” / 360 x 267 x 24.2 - 25.9 mm
Weight2.56 lbs (1.16 kg)Starting at 5.1 lbs (2.3 kg)
ColorsRoyal BlueRaven Black
Keyboard and Trackpad
  • Full size, backlit chiclet keyboard
    The fingerprint sensor next to the arrow keys of the keyboard.
  • Precise Glass Touchpad
    Wireless PowerShare with Microsoft Precision Touchpad support.
  • Keyboard
    • Backlit full-size with the white backlit keyboard.
    • The water-repellent keyboard delivers.
  • Touchpad
    • Precision Touchpad.
    • Supports multi-touch gesture.
    • Two physical left-right click buttons.

Display

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
Size13.3 Inches15.6 Inches
Info
  • Resolution: 1920 x 1080
  • Aspect Ratio: 16:9
  • Panel Type: QLED
  • 15.6” FHD 60Hz 250 nits
    1920 x 1080, IPS, anti-glare, 60Hz 72% color gamut 250 nits
  • 15.6” FHD 60Hz 300 nits
    1920 x 1080, IPS, anti-glare, 60Hz 72% color gamut 300 nits
  • 15.6" FHD 144Hz 300 nits
    1920 x 1080, IPS, anti-glare, 144Hz, 300 nits

Ports

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
  • 2 x USB Type-C with Thunderbolt 3
    Supports Power Delivery and DisplayPort.
  • 1 x USB Type-C 3.1
    Supports Power Delivery and DisplayPort.
  • 1 x S Pen Storage
  • 1 x UFS & MicroSDXC card reader (up to 1TB)
  • 1 x Headphone out/Mic-in Combo
  • 3 x USB 3.1 Gen 1 Type-A
  • 1 x USB 3.1 Gen 1 Type-C
  • 1 x Mini DisplayPort ™ 1.4
  • 1 x HDMI™ 2.0
  • 1 x RJ45 Ethernet
  • 1 x Kensington MiniSaver Lock slot
  • 1 x 3.5mm microphone/headphone combo
  • 1 x NOVO hole

Internal Specs

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
Processor
  1. 10th Gen Intel® Core™ i7-1065G7
    4 cores, 8 threads, 1.30 → 3.90 GHz, 8MB SmartCache, 15W
  1. 9th Gen Intel® Core™ i5-9300H
    4 cores, 8 threads, 2.40 → 4.10 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™ i7-9750HF
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W
Integrated Graphics
  1. 10th Gen Intel® Core™ i7-1065G7
    Intel® Iris® Plus Graphics
    64 Execution Units, 300 → 1100 MHz
  1. 9th Gen Intel® Core™ i5-9300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 9th Gen Intel® Core™ i7-9750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 9th Gen Intel® Core™ i7-9750HF
    Not Available
Memory
  • Memory Slots
    • Onboard Memory
  • Memory Configurations
    • Memory Size: Up to 16 GB
    • Memory Speed: 3733 MHz
  • Memory Slots
    • 2 x DDR4 SODIMM
  • Memory Configurations
    • Minimum Memory: 8GB
    • Maximum Memory: 32GB
    • Memory Speed: 2666MHz
Discrete Graphics-
  • NVIDIA® GeForce® GTX 1650 (4GB GDDR5)
  • NVIDIA® GeForce® GTX 1660 Ti (6GB GDDR6)
Storage
  • Hard Drive Slots
    • 1 x M.2 2230/2280 PCIe SSD slot
  • Hard Drive Configurations
    • Up to 1TB M.2 NVMe PCIe SSD
  • 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

Connectivity

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
Wi-FiWi-Fi 6 (802.11 ax 2X2)Wireless 802.11 AC (2 x 2)
Up to 867 Mbps, WiFi 802.11 b/g/a/n/ac.
BluetoothBluetooth® v 5.0Bluetooth 5.0
Ethernet-Gigabit LAN
Speed: 10/100/1000 Mbps.

Battery

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
Size69.7 Wh57 Wh (3 Cell Li-Polymer)
Battery Life20 hoursUp to 5 hours
Power Supply65W Power Adapter230W AC power adapter
Lenovo proprietary charging port.

Software

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
OS
  • Windows 10 Home
  • Windows 10 Pro
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
Built-in Apps
  • Link Sharing
  • Live Message
  • Live Wallpaper
  • McAfee Live Safe (60 days trial)
  • Samsung Gallery
  • Quick Search
  • Samsung DeX
  • Samsung Flow
  • Samsung Notes
  • Samsung Recovery
  • Samsung Settings
  • Studio Plus
  • Samsung Update
  • teamPL
  • Lenovo Vantage
  • Lenovo PC Manager
  • Lenovo Nerve Center
  • McAfee LiveSafe™
  • Lenovo Antivirus
  • Microsoft Office Trial
  • Microsoft LinkedIn
  • PowerDVD/Power2Go

Camera & Audio

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
CameraHD front-facing cameraFront-facing camera
Bottom-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
Audio
  • AKG Stereo Speakers
  • Smart Amp (Max 5 W x 2)
  • Internal Digital Mic
  • Harman® speakers with Dolby Atmos® for Gaming.
  • Dual-array microphones

Misc

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
InkingYes (Built-in S Pen)-
Sensors
  • Fingerprint sensor
-
Security
  • TPM
  • Fingerprint Reader
  • Chassis Kensington® Wedge security lock
In the box
  • Samsung Galaxy Book Flex 13
  • AC adapter (wall mount)
  • Quickstart Guide (paper)
  • Ejection pin
  • S Pen nib
  • Tweezers
  • Legion Y540 15"
  • 230W AC Adapter
  • 3 Cell Li-Polymer, 57Wh
  • Quick start guide
Warranty1-year limited warranty1 Year Depot or Carry-in

Key Features

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”
At Glance
Released in Late
2019
16:9 FHD
13.3”
1080p 60Hz
Weight
2.56 lb
1.16 kg
Powered By
Intel Core i7-1065G7
4C/8T, 1.30 → 3.90 GHz
Geekbench 5
1,088
Single Core
Geekbench 5
3,722
Multi-Core
With integrated
Intel® Iris® Plus Graphics
64 Execution Units, 300 → 1100 MHz
Configurable up to
16GB
3733 MHz LPDDR4X
Released in
2019
16:9 FHD
15.6”
1080p 144Hz
Weight
5.1 lb
2.31 kg
Up to
Intel Core i7-9750HF
6C/12T, 2.60 → 4.50 GHz
Geekbench 5
1,013
Single Core
Geekbench 5
4,836
Multi-Core
With integrated
Not Available
Upgradable up to
32GB
2666 MHz DDR4
NVIDIA GeForce
GTX 1660Ti
6GB GDDR6

Comparison Summary

Samsung Galaxy Book Flex 13” vs. Lenovo Legion Y540 15”

Samsung has released the Galaxy Book Flex 13”, a 13.3-inch machine, in late-2019. It is powered by a quad-core Intel Core i7-1065G7 with a boost clock speed up to 3.90 GHz. The laptop has an integrated graphics option up to Intel® Iris® Plus Graphics (64 Execution Units, 300 → 1100 MHz).

On the other hand, we have the 15.6-inch Legion Y540 15” was introduced by Lenovo around the same year in 2019. It comes with up to a hexa-core Intel Core i7-9750HF with a boost clock speed up to 4.50 GHz. It has a dedicated GPU option up to NVIDIA GeForce GTX 1660Ti with 6GB GDDR6.

Geekbench 5 Single Core

Samsung Galaxy Book Flex 13”1
10th Gen Intel® Core™ i7-1065G71,088100.00%
Lenovo Legion Y540 15”1
9th Gen Intel® Core™ i5-9300H94887.13%
2
9th Gen Intel® Core™ i7-9750H1,04495.96%
3
9th Gen Intel® Core™ i7-9750HF1,01393.11%
01,088

Geekbench 5 Multi Core

Samsung Galaxy Book Flex 13”1
10th Gen Intel® Core™ i7-1065G73,72276.27%
Lenovo Legion Y540 15”1
9th Gen Intel® Core™ i5-9300H3,30867.79%
2
9th Gen Intel® Core™ i7-9750H4,880100.00%
3
9th Gen Intel® Core™ i7-9750HF4,83699.10%
04,880

The Samsung Galaxy Book Flex 13” has a 13.3-inch display which is considerably smaller than the 15.6-inch Lenovo Legion Y540 15”. In addition, The Samsung Galaxy Book Flex 13” weighs 2.56 lbs. about 99% lighter than the 5.1 lbs. Lenovo Legion Y540 15”. Moreover, measured at 11.91” x 7.99” x 0.51”, the Samsung Galaxy Book Flex 13” is much more portable than the Lenovo Legion Y540 15” at 14.17” x 10.51” x 1.02”.

Samsung Galaxy Book Flex 13”Lenovo Legion Y540 15”

Moving over to upgradability, Samsung claims that the Samsung Galaxy Book Flex 13” supports up to 16GB 3733 MHz LPDDR4X 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 Lenovo Legion Y540 15”, it supports up to 32GB 2666 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also has a single removable M.2 SSD slot that users can replace or upgrade when needed. Besides that, it also comes with a SATA slot where you can install an additional 2.5-inch SATA-based SSD, SSHD, or a hard disk drive.

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