Samsung Galaxy Book Flex 13” vs. Lenovo Legion 5i 17”: Which is better?

Here is a side by side comparison between Samsung Galaxy Book Flex 13” and Lenovo Legion 5i 17” 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 5i 17”.

Supports faster memory

Samsung Galaxy Book Flex 13” supports a faster memory speed than the Lenovo Legion 5i 17”. It supports up to 3733MHz versus 2933 MHz of system memory on the Lenovo Legion 5i 17”.

Memory type and speed
Samsung Galaxy Book Flex 13” - LPDDR4X
3,733 MHz
Lenovo Legion 5i 17” - DDR4
2,933 MHz
About 54% lighter

Samsung Galaxy Book Flex 13” weighed 2.56 pounds, 54% lighter than the 5.5 pounds Lenovo Legion 5i 17”.

WeightSamsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
Pound
2.56 lbs.
5.5 lbs.
Kilogram
1.16 kg
2.49 kg

Lenovo Legion 5i 17” Pros

Reasons that Lenovo Legion 5i 17” is better than Samsung Galaxy Book Flex 13”.

Much faster CPU performance

Intel Core i7-10875H inside Lenovo Legion 5i 17” has a 84% 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 5i 17” - Intel Core i7-10875H
6,874
Lenovo Legion 5i 17” - Intel Core i7-10750H
5,412
Lenovo Legion 5i 17” - Intel Core i5-10300H
3,747
Samsung Galaxy Book Flex 13” - Intel Core i7-1065G7
3,722
Supports larger memory

Lenovo Legion 5i 17” 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 5i 17”
32 GB
Samsung Galaxy Book Flex 13”
16 GB
Upgradable memory

Lenovo Legion 5i 17” 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 5i 17”
Slots
Onboard
x2
TypeLPDDR4XDDR4
Supports discrete graphics

Configurable up to NVIDIA GeForce RTX 2060 6GB GDDR6 vs. integrated

30% larger display

Lenovo Legion 5i 17” has a 17.3-inch screen size 30% larger than the 13.3-inch Samsung Galaxy Book Flex 13”.

Display size
Lenovo Legion 5i 17”
17.3-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 5i 17” Price
Lenovo - Legion 5i - Gaming Laptop - Intel Core i7-11800H - 8GB DDR4 RAM - 1TB NVMe TLC SSD - NVIDIA GeForce RTX 3050 Ti Graphics - 17.3" FHD 144Hz - Windows 11 Home - Phantom Blue
Lenovo - Legion 5i - Gaming Laptop - Intel Core i7-11800H - 8GB DDR4 RAM - 1TB NVMe TLC SSD - NVIDIA GeForce RTX 3050 Ti Graphics - 17.3" FHD 144Hz - Windows 11 Home - Phantom Blue
By Lenovo
$1,079.00
$1,449.99 26% OFF
Lenovo 2023 Legion 5i 17.3" 144Hz FHD IPS Gaming Laptop 8-Core Intel i7-11800H 32GB RAM 1TB NVMe SSD NVIDIA GeForce RTX 3050Ti 4GB GDDR6 HDMI Thunderbolt4 WiFi AX RJ45 Backlit Windows 11 Pro w/RE USB
Lenovo 2023 Legion 5i 17.3" 144Hz FHD IPS Gaming Laptop 8-Core Intel i7-11800H 32GB RAM 1TB NVMe SSD NVIDIA GeForce RTX 3050Ti 4GB GDDR6 HDMI Thunderbolt4 WiFi AX RJ45 Backlit Windows 11 Pro w/RE USB
By Lenovo
$2,019.99
Lenovo Legion Pro 5i - (2023) - Gaming Laptop Computer - NVIDIA GeForce RTX 4060-16" WQXGA - 165Hz - Intel Core i7-13700HX - 16GB RAM - 1TB SSD - Windows 11-3-Month Xbox GamePass Included
Lenovo Legion Pro 5i - (2023) - Gaming Laptop Computer - NVIDIA GeForce RTX 4060-16" WQXGA - 165Hz - Intel Core i7-13700HX - 16GB RAM - 1TB SSD - Windows 11-3-Month Xbox GamePass Included
By LENOVO (UNITED STATES)
$1,289.00
$1,599.99 19% OFF

Availability

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
Released20192020
Release Date
  • Announced at Samsung Developer Conference 2019 (SDC19)
  • Announced on October 30, 2019
Announced in April 2020
Pricing
  • 1349.99 - i7 | 16GB RAM | 512GB SSD
Starting at $1,099.99

Exterior

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
Dimensions11.91" x 7.99" x 0.51" (302.6 x 202.9 x 12.9 mm)15.84" x 11.41" x 1.05" / 398.6mm x 290mm x 24.3-26.6mm
Weight2.56 lbs (1.16 kg)Starting at 5.5 lbs (2.5 kg)
ColorsRoyal BluePhantom 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.
  • Touchpad
    • Precision Touchpad.
    • Supports multi-touch gesture.

Display

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
Size13.3 Inches17.3 Inches
Info
  • Resolution: 1920 x 1080
  • Aspect Ratio: 16:9
  • Panel Type: QLED
  • 17.3" FHD 60Hz
    1920 x 1080, IPS, 60 Hz, 72% NTSC, 300 nits.
  • 17.3" FHD 144Hz
    1920 x 1080, IPS, 144 Hz, 72% NTSC, 300 nits, Dolby Vision™ Enabled.

Ports

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
  • 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
  • 1 x USB 3.1 Gen 1 Type-C (with DisplayPort)
  • 1 x USB 3.1 Gen 1 Type-A (always on)
  • 3 x USB 3.1 Gen 1 Type-A
  • 1 x HDMI™ 2.0
  • 1 x RJ45 Ethernet
  • 1 x SD Card Reader
  • 1 x Kensington MiniSaver Lock slot
  • 1 x 3.5mm microphone/headphone combo
  • 1 x Power input
  • 1 x NOVO hole

Internal Specs

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
Processor
  1. 10th Gen Intel® Core™ i7-1065G7
    4 cores, 8 threads, 1.30 → 3.90 GHz, 8MB SmartCache, 15W
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
Integrated Graphics
  1. 10th Gen Intel® Core™ i7-1065G7
    Intel® Iris® Plus Graphics
    64 Execution Units, 300 → 1100 MHz
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
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: 2933MHz
Discrete Graphics-
  • NVIDIA® GeForce® GTX 1650 (4GB GDDR5)
  • NVIDIA® GeForce® GTX 1650 Ti (4GB GDDR6)
  • NVIDIA® GeForce® GTX 1660 Ti (6GB GDDR6)
  • NVIDIA® GeForce RTX™ 2060 (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 5i 17”
Wi-FiWi-Fi 6 (802.11 ax 2X2)WiFi 6 802.11AX (2 x 2)
Up to 2400 Mbps, WiFi 802.11 b/g/a/n/ac/ax.
BluetoothBluetooth® v 5.0Bluetooth 5.0
Ethernet-Gigabit LAN
Speed: 10/100/1000 Mbps.

Battery

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
Size69.7 Wh80 Wh (4 Cell polymer)
Battery Life20 hoursUp to 7.7 hours
Power Supply65W Power Adapter
  • 170W AC power adapter
    Lenovo proprietary charging port.
  • 230W AC power adapter
    Lenovo proprietary charging port.

Software

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
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
  • McAfee LiveSafe™
  • Lenovo Antivirus
  • Microsoft Office Trial5
  • Power2Go

Camera & Audio

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
CameraHD front-facing cameraFront-facing camera
Top-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
  • 2 x 2W Harman Kardon® Speaker System with Chamber
  • Dolby Atmos® Headphone Support
  • Dual-array microphones

Misc

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
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 5i 17"
  • AC Adapter
  • 80Wh Internal Battery
  • Quick start guide
Warranty1-year limited warrantyOne Year Legion Ultimate Support

Key Features

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”
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 Early
2020
16:9 FHD
17.3”
1080p 144Hz
Weight
5.5 lb
2.49 kg
Up to
Intel Core i7-10875H
8C/16T, 2.30 → 5.10 GHz
Geekbench 5
1,192
Single Core
Geekbench 5
6,874
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1200 MHz
Upgradable up to
32GB
2933 MHz DDR4
NVIDIA GeForce
RTX 2060
6GB GDDR6

Comparison Summary

Samsung Galaxy Book Flex 13” vs. Lenovo Legion 5i 17”

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 17.3-inch Legion 5i 17” was introduced by Lenovo about a year later in early-2020. It comes with up to an octa-core Intel Core i7-10875H with a boost clock speed up to 5.10 GHz. It has a dedicated GPU option up to NVIDIA GeForce RTX 2060 with 6GB GDDR6.

Geekbench 5 Single Core

Samsung Galaxy Book Flex 13”1
10th Gen Intel® Core™ i7-1065G71,08891.28%
Lenovo Legion 5i 17”1
10th Gen Intel® Core™ i5-10300H1,06189.01%
2
10th Gen Intel® Core™ i7-10750H1,13495.13%
3
10th Gen Intel® Core™ i7-10875H1,192100.00%
01,192

Geekbench 5 Multi Core

Samsung Galaxy Book Flex 13”1
10th Gen Intel® Core™ i7-1065G73,72254.15%
Lenovo Legion 5i 17”1
10th Gen Intel® Core™ i5-10300H3,74754.51%
2
10th Gen Intel® Core™ i7-10750H5,41278.73%
3
10th Gen Intel® Core™ i7-10875H6,874100.00%
06,874

The Samsung Galaxy Book Flex 13” has a 13.3-inch display which is considerably smaller than the 17.3-inch Lenovo Legion 5i 17”. In addition, The Samsung Galaxy Book Flex 13” weighs 2.56 lbs. about 114% lighter than the 5.5 lbs. Lenovo Legion 5i 17”. 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 5i 17” at 15.84” x 11.41” x 1.05”.

Samsung Galaxy Book Flex 13”Lenovo Legion 5i 17”

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 5i 17”, it supports up to 32GB 2933 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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