Samsung Galaxy Book S vs. Samsung Galaxy Book Flex 15”: Full specs comparison

We have comprehensively analyzed the technical specifications for the Samsung Galaxy Book S and Samsung Galaxy Book Flex 15” models. Our report includes intricate details such as the CPU, memory, storage, battery life, display quality, and other features.

Samsung Galaxy Book S Pros

Reasons that Samsung Galaxy Book S is better than Samsung Galaxy Book Flex 15”.

Supports faster memory

Samsung Galaxy Book S supports a faster memory speed than the Samsung Galaxy Book Flex 15”. It supports up to 4267MHz versus 3733MHz of system memory on the Samsung Galaxy Book Flex 15”.

Memory type and speed
Samsung Galaxy Book S - LPDDR4X
4,267 MHz
Samsung Galaxy Book Flex 15” - LPDDR4X
3,733 MHz
About 38% lighter

Samsung Galaxy Book S weighed 2.09 pounds, 38% lighter than the 3.35 pounds Samsung Galaxy Book Flex 15”.

WeightSamsung Galaxy Book SSamsung Galaxy Book Flex 15”
Pound
2.09 lbs.
3.35 lbs.
Kilogram
0.95 kg
1.52 kg

Samsung Galaxy Book Flex 15” Pros

Reasons that Samsung Galaxy Book Flex 15” is better than Samsung Galaxy Book S.

Much faster CPU performance

Intel Core i7-1065G7 inside Samsung Galaxy Book Flex 15” has a 118% better multi-core CPU performance score than the Intel Core i5-L16G7 inside Samsung Galaxy Book S.

Geekbench 5 multi-core score
Samsung Galaxy Book Flex 15” - Intel Core i7-1065G7
3,722
Samsung Galaxy Book S - Qualcomm® Snapdragon™ 8cx
2,926
Samsung Galaxy Book S - Intel Core i5-L16G7
1,703
Supports larger memory

Samsung Galaxy Book Flex 15” supports a larger memory capacity than the Samsung Galaxy Book S. It supports up to 16GB versus 8GB of system memory on the Samsung Galaxy Book S.

Max system memory size
Samsung Galaxy Book Flex 15”
16 GB
Samsung Galaxy Book S
8 GB
Supports discrete graphics

Configurable up to Nvidia GeForce MX250 2GB GDDR5 vs. integrated

Upgradable storage

Samsung Galaxy Book Flex 15” comes with a single removable M.2 SSD slot that you can replace and upgrade in the future.

SlotsSamsung Galaxy Book SSamsung Galaxy Book Flex 15”
M.2
Onboard
Yes x1
17% larger display

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

Display size
Samsung Galaxy Book Flex 15”
15.6-inch
Samsung Galaxy Book S
13.3-inch

Prices

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

Samsung Galaxy Book S Price
SAMSUNG 14" Galaxy Book4 Pro Laptop PC Computer, Intel Core 7 Ultra Processor 512GB, 3K AMOLED (2880 x 1800) Touchscreen, Advanced Security, 2024 Model, NP940XGK-KG1US, Moonstone Gray
SAMSUNG 14" Galaxy Book4 Pro Laptop PC Computer, Intel Core 7 Ultra Processor 512GB, 3K AMOLED (2880 x 1800) Touchscreen, Advanced Security, 2024 Model, NP940XGK-KG1US, Moonstone Gray
By SAMSUNG
$1,149.99
$1,449.99 21% OFF
SAMSUNG 15.6" Galaxy Book3 Business Laptop Computer/Windows 11 PRO/16GB - 256GB/ 13th Gen Intel® Core™ i5 processor, 2023 Model, NP754XFG-KB3US, Silver
SAMSUNG 15.6" Galaxy Book3 Business Laptop Computer/Windows 11 PRO/16GB - 256GB/ 13th Gen Intel® Core™ i5 processor, 2023 Model, NP754XFG-KB3US, Silver
By SAMSUNG
$649.99
$899.99 28% OFF
SAMSUNG Galaxy Book Go Laptop Computer PC Power Performance 18-Hour Battery Compact Light Shockproof Design WFH Ready WiFi 5, Silver, 128GB
SAMSUNG Galaxy Book Go Laptop Computer PC Power Performance 18-Hour Battery Compact Light Shockproof Design WFH Ready WiFi 5, Silver, 128GB
By SAMSUNG
$289.00
Samsung Galaxy Book Flex 15” Price
SAMSUNG Galaxy Book2 Pro 360 2-in-1 Business Laptop (15.6" FHD AMOLED Touchscreen, Intel 12-Core i7-1260P, 16GB RAM, 1TB SSD, Active Stylus), Backlit, FP, IST USB-C Hub, Webcam, Win 11 Pro, Silver
SAMSUNG Galaxy Book2 Pro 360 2-in-1 Business Laptop (15.6" FHD AMOLED Touchscreen, Intel 12-Core i7-1260P, 16GB RAM, 1TB SSD, Active Stylus), Backlit, FP, IST USB-C Hub, Webcam, Win 11 Pro, Silver
By SAMSUNG
$1,029.99
$1,089.99 6% OFF
OUWEE AA-PBRN4ZU Laptop Battery Compatible with Samsung Galaxy Book Flex 15-NP950 950QCJ 930QCJ 950XCJ 930XCJ Series Notebook 15.4V 66.9Wh 4350mAh
OUWEE AA-PBRN4ZU Laptop Battery Compatible with Samsung Galaxy Book Flex 15-NP950 950QCJ 930QCJ 950XCJ 930XCJ Series Notebook 15.4V 66.9Wh 4350mAh
By OUWEE
$69.99
SAMSUNG Galaxy Book Pro Intel Evo Platform Laptop Computer 15.6" AMOLED Screen 11th Gen Intel Core i7 Processor 16GB Memory 512GB SSD Long-Lasting Battery, Mystic Blue
SAMSUNG Galaxy Book Pro Intel Evo Platform Laptop Computer 15.6" AMOLED Screen 11th Gen Intel Core i7 Processor 16GB Memory 512GB SSD Long-Lasting Battery, Mystic Blue
By SAMSUNG
$999.99

Availability

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
Released20192019
Release Date
  • Announced on August 08, 2019
  • Updated on May 29, 2020 (New Intel Processor model)
  • Announced at Samsung Developer Conference 2019 (SDC19)
  • Announced on October 30, 2019
Pricing
  • USD$999.99
    Snapdragon 8cx | 8GB RAM | 256GB SSD.
  • CDN$1,299.99
    Intel Core i5 | 8GB RAM | 256GB SSD.
  • 1399.99 - i7 | 16GB RAM | 512GB SSD

Exterior

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
Dimensions12.01 x 8.0 x 0.24 - 046 (305.2 x 203.2 x 6.2 - 11.8 mm)13.98 x 8.94 x 0.59" (355 x 227.2 x 14.9 mm)
Weight
  • 2.11 lbs (961g)
    Galaxy Book S with Snapdragon 8cx
  • 2.09 lbs (950g)
    Galaxy Book S with Intel processors
  • 3.35 lbs (1.52 kg)
    Integrated graphics model
  • 3.46 lbs (1.57 kg)
    Discrete graphics model
Colors
  • Earthy Gold
  • Mercury Gray
Royal Blue
Keyboard and Trackpad
  • Full size, backlit chiclet keyboard
    The fingerprint sensor at the top right of the keyboard.
  • Precise Glass Touchpad
    Clickable glass touchpad with Microsoft Precision Touchpad support.
  • 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.

Display

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
Size13.3 Inches15.6 Inches
Info
  • Resolution: 1920 x 1080
  • Aspect Ratio: 16:9
  • Panel Type: TFT
  • 10-point multi-touch screen
  • Brightness: 350 - 600 nits
  • Resolution: 1920 x 1080
  • Aspect Ratio: 16:9
  • Panel Type: QLED

Ports

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
  • 2 x USB Type-C 3.1 Gen 2
    Supports Power Delivery and DisplayPort.
  • 1 x Nano SIM
  • 1 x MicroSDXC card reader (up to 1TB)
  • 1 x Headphone out/Mic-in Combo
  • 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 2TB)
  • 1 x Headphone out/Mic-in Combo

Internal Specs

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
Processor
  1. Qualcomm® Snapdragon™ 8cx
    8 cores, 8 threads, 2.84 GHz, 2MB Cache, 7W
  2. Intel® Core™ i5-L16G7 with Intel® Hybrid Technology
    5 cores, 5 threads, 1.40 → 3.00 GHz, 4MB Cache, 7W
  1. 10th Gen Intel® Core™ i7-1065G7
    4 cores, 8 threads, 1.30 → 3.90 GHz, 8MB SmartCache, 15W
Integrated Graphics
  1. Qualcomm® Snapdragon™ 8cx
    Qualcomm® Adreno™ 680 GPU
  2. Intel® Core™ i5-L16G7 with Intel® Hybrid Technology
    Intel® UHD Graphics for 10th Gen Intel® Processors
    64 Execution Units, 200 → 500 MHz
  1. 10th Gen Intel® Core™ i7-1065G7
    Intel® Iris® Plus Graphics
    64 Execution Units, 300 → 1100 MHz
Memory8GB LPDDR4x
  • Memory Slots
    • Onboard Memory
  • Memory Configurations
    • Memory Size: Up to 16 GB
    • Memory Speed: 3733 MHz
Discrete Graphics-NVIDIA® GeForce® MX250 (2GB GDDR5 VRAM)
Storage256GB, 512GB eUFS storage
  • Hard Drive Slots
    • 1 x M.2 2230/2280 PCIe SSD slot
  • Hard Drive Configurations
    • Up to 1TB M.2 NVMe PCIe SSD

Connectivity

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
Wi-Fi
  • Wi-Fi 5 (802.11 a/b/g/n/ac (2.4/5GHz), VHT80 MU-MIMO)
    Galaxy Book S with Snapdragon 8cx
  • Wi-Fi 6 (Gig+) (802.11 a/b/g/n/ac/ax (2.4/5GHz), 2x2)
    Galaxy Book S with Intel processor
Wi-Fi 6 (802.11 ax 2X2)
BluetoothBluetooth® v 5.0Bluetooth® v5.0
More
  • LTE (Cat 18)
    Galaxy Book S with Snapdragon 8cx
  • LTE (Cat 16)
    Galaxy Book S with Intel processors
  • Nano SIM
-

Battery

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
Size42Wh69.7 Wh
Battery Life
  • Up to 23 hours (Video Playback)
    Galaxy Book S with Snapdragon 8cx
  • Up to 1 hours (Video Playback)
    Galaxy Book S with Intel processor
19 hours
Power Supply25W USB-C Power Adapter.65W Power Adapter

Software

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
OS
  • Windows 10 Home
  • Windows 10 Pro
  • Windows 10 Home
  • Windows 10 Pro
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

Camera & Audio

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
Camera1MP front-facing cameraHD front-facing camera
Audio
  • Stereo speakers: Sound by AKG
  • Speakers: 4 x 1.2 W
  • Immersive sound with Dolby Atmos® technology (Dynamic, Movie, Music, Game, Voice, and Personalize Modes)
  • Internal Dual Array Digital Mic
  • AKG Stereo Speakers
  • Smart Amp (Max 5 W x 2)
  • Internal Digital Mic

Misc

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
Inking-Yes (Built-in S Pen)
Sensors
  • Fingerprint Sensor
  • Hall Sensor
  • Light Sensor (Keyboard Backlit on/off)
  • GPS, Galileo, Glonass, BeiDou
  • Fingerprint sensor
Security
  • Windows Hello sign-in with fingerprint
  • TPM
  • Fingerprint Reader
In the box-
  • Samsung Galaxy Book Flex 13
  • AC adapter (wall mount)
  • Quickstart Guide (paper)
  • Ejection pin
  • S Pen nib
  • Tweezers
Warranty-1-year limited warranty

Key Features

Samsung Galaxy Book SSamsung Galaxy Book Flex 15”
At Glance
Released in Mid
2019
16:9 FHD
13.3”
1080p 60Hz
Weight
2.09 lb
0.95 kg
Up to
Intel Core i5-L16G7
5C/5T, 1.40 → 3.00 GHz
Geekbench 5
773
Single Core
Geekbench 5
1,703
Multi-Core
With integrated
Intel® UHD Graphics for 10th Gen Intel® Processors
64 Execution Units, 200 → 500 MHz
8GB
4267 MHz LPDDR4X
Released in Late
2019
16:9 FHD
15.6”
1080p 60Hz
Weight
3.35 lb
1.52 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
Nvidia GeForce
MX250
2GB GDDR5

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