ASUS VivoBook 15 X512J vs. Samsung Galaxy Book Flex 15”: Full specs comparison

We have comprehensively analyzed the technical specifications for the ASUS VivoBook 15 X512J 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.

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ASUS VivoBook 15 X512J image

ASUS VivoBook 15 X512J

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Samsung Galaxy Book Flex 15” image

Samsung Galaxy Book Flex 15”

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ASUS VivoBook 15 X512J Pros

Reasons that ASUS VivoBook 15 X512J is better than Samsung Galaxy Book Flex 15”.

Upgradable memory

ASUS VivoBook 15 X512J comes with one SODIMM slot that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Samsung Galaxy Book Flex 15” since it has onboard memory.

MemoryASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
Slots
x1
Onboard
TypeDDR4LPDDR4X

Samsung Galaxy Book Flex 15” Pros

Reasons that Samsung Galaxy Book Flex 15” is better than ASUS VivoBook 15 X512J.

Supports faster memory

Samsung Galaxy Book Flex 15” supports a faster memory speed than the ASUS VivoBook 15 X512J. It supports up to 3733MHz versus 2400MHz of system memory on the ASUS VivoBook 15 X512J.

Memory type and speed
Samsung Galaxy Book Flex 15” - LPDDR4X
3,733 MHz
ASUS VivoBook 15 X512J - DDR4
2,400 MHz
About 11% lighter

Samsung Galaxy Book Flex 15” weighed 3.35 pounds, 11% lighter than the 3.74 pounds ASUS VivoBook 15 X512J.

WeightASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
Pound
3.74 lbs.
3.35 lbs.
Kilogram
1.70 kg
1.52 kg

Key Similars

Similar characteristics share between ASUS VivoBook 15 X512J and Samsung Galaxy Book Flex 15”.

Supports the same maximum memory size of up to 16GB

Both laptops supports up to 16GB of system memory.

Max system memory size
ASUS VivoBook 15 X512J
16 GB
Samsung Galaxy Book Flex 15”
16 GB

Prices

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

ASUS VivoBook 15 X512J Price
ASUS Vivobook 15 F515EA-WH52 Slate Grey Laptop, i5-1135G7, 8GB, 512GB PCIe SSD, 15.6" IPS Touch Full HD (1920x1080), Intel Iris Xe, Windows 11 Home
 ASUS Vivobook 15 F515EA-WH52 Slate Grey Laptop, i5-1135G7, 8GB, 512GB PCIe SSD, 15.6" IPS Touch Full HD (1920x1080), Intel Iris Xe, Windows 11 Home
By ASUS
$388.00
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ASUS Vivobook 16X OLED Laptop, 16” 3.2K 120Hz Display, Intel Core i9-13900H CPU, NVIDIA Geforce RTX 4060 GPU, 32GB RAM, 1TB SSD, Windows 11 Home, Indie Black, K3605VV-ES96
 ASUS Vivobook 16X OLED Laptop, 16” 3.2K 120Hz Display, Intel Core i9-13900H CPU, NVIDIA Geforce RTX 4060 GPU, 32GB RAM, 1TB SSD, Windows 11 Home, Indie Black, K3605VV-ES96
By ASUS
$1,586.49
$1,699.99 7% OFF
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ASUS VivoBook Pro 15X OLED Laptop, 15.6” OLED Display, Intel Core i7-12650H CPU, NVIDIA GeForce RTX 3060 GPU, 16GB RAM, 1TB SSD, Windows 11 Home, Black, K6501ZM-EB74
 ASUS VivoBook Pro 15X OLED Laptop, 15.6” OLED Display, Intel Core i7-12650H CPU, NVIDIA GeForce RTX 3060 GPU, 16GB RAM, 1TB SSD, Windows 11 Home, Black, K6501ZM-EB74
By ASUS
$1,279.00
See at Amazon
Samsung Galaxy Book Flex 15” Price
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
See at Amazon
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
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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
$1,049.99
See at Amazon

Specs Comparison

Availability

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
Released20202019
Release Date-
  • Announced at Samsung Developer Conference 2019 (SDC19)
  • Announced on October 30, 2019
Pricing-
  • 1399.99 - i7 | 16GB RAM | 512GB SSD
Applicable Models
  • ASUS VivoBook 15
  • ASUS VivoBook 15 X512J
  • ASUS VivoBook 15 X512JA
  • ASUS VivoBook 15 X512JF
  • ASUS VivoBook 15 X512JP
-

Exterior

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
Dimensions14.06” x 9.07” x 0.77” (357.2 x 230.4 x 19.9 mm)13.98 x 8.94 x 0.59" (355 x 227.2 x 14.9 mm)
Weight3.74 lbs (1.7 kg)
  • 3.35 lbs (1.52 kg)
    Integrated graphics model
  • 3.46 lbs (1.57 kg)
    Discrete graphics model
Colors
Transparent Silver Slate Gray Peacock Blue Coral Crush
Royal Blue
Keyboard and Trackpad
  • Keyboard
    • Full-size keyboard with 1.4mm key travel
    • Illuminated chiclet keyboard (optional)
  • Touchpad
    • Button-less touchpad.
    • Built-in fingerprint sensor in the touchpad (optional)
  • 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

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
Size15.6 Inches15.6 Inches
Info
  • 15.6" (16:9) LED-backlit FHD (1920x1080) 60Hz Anti-Glare Panel with 45% NTSC with wide 178° viewing angles
  • 15.6" (16:9) LED-backlit FHD (1280x800) 60Hz Anti-Glare Panel with 45% NTSC
  • 15.6" (16:9) LED-backlit HD (1280x800) 60Hz Anti-Glare Panel with 45% NTSC
  • Resolution: 1920 x 1080
  • Aspect Ratio: 16:9
  • Panel Type: QLED

Ports

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
  • 1 x Type-C USB 3.0 (USB 3.1 Gen 1)
  • 1 x Type-A USB 3.1 (Gen 1)
  • 2 x USB 2.0 port(s)
  • 1 x HDMI
  • 1 x Micro SD card
  • 1 x Audio jack
  • 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

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
Processor
  1. 10th Gen Intel® Core™ i3-1005G1
    2 cores, 4 threads, 1.20 → 3.40 GHz, 4MB SmartCache, 15W
  2. 10th Gen Intel® Core™ i5-1035G1
    4 cores, 8 threads, 1.00 → 3.60 GHz, 6MB SmartCache, 15W
  3. 10th Gen Intel® Core™ i7-1065G7
    4 cores, 8 threads, 1.30 → 3.90 GHz, 8MB SmartCache, 15W
  1. 10th Gen Intel® Core™ i7-1065G7
    4 cores, 8 threads, 1.30 → 3.90 GHz, 8MB SmartCache, 15W
Integrated Graphics
  1. 10th Gen Intel® Core™ i3-1005G1
    Intel® UHD Graphics
    32 Execution Units, 300 → 900 MHz
  2. 10th Gen Intel® Core™ i5-1035G1
    Intel® UHD Graphics
    32 Execution Units, 300 → 1050 MHz
  3. 10th Gen Intel® Core™ i7-1065G7
    Intel® Iris® Plus Graphics
    64 Execution Units, 300 → 1100 MHz
  1. 10th Gen Intel® Core™ i7-1065G7
    Intel® Iris® Plus Graphics
    64 Execution Units, 300 → 1100 MHz
Memory
  • 4GB 8GB
    DDR4 2400MHz SDRAM Onboard Memory
  • 1 x SODIMM slot for expansion, upgradable to 8GB or 16GB SDRAM.
  • Memory Slots
    • Onboard Memory
  • Memory Configurations
    • Memory Size: Up to 16 GB
    • Memory Speed: 3733 MHz
Discrete Graphics
ASUS VivoBook 15 X512JA
  • No discrete graphics
ASUS VivoBook 15 X512JF
  • NVIDIA® GeForce® MX130
    Video memory: 2GB GDDR5 VRAM
ASUS VivoBook 15 X512JP
  • NVIDIA® GeForce® MX330
    Video memory: 2GB GDDR5 VRAM
  		NVIDIA® GeForce® MX250 (2GB GDDR5 VRAM)
Storage
  • 1TB
    5400 rpm SATA HDD.
  • 128GB 256GB 512GB
    PCIe® Gen3 x2 SSD M.2
  • 512GB Intel® PCIe® SSD + 32GB Intel® Optane™ memory
  • Hard Drive Slots
    • 1 x M.2 2230/2280 PCIe SSD slot
  • Hard Drive Configurations
    • Up to 1TB M.2 NVMe PCIe SSD

Connectivity

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
Wi-Fi
  • Integrated Wi-Fi 5 (802.11 ac)
  • Integrated Wi-Fi 5 (802.11 ac (2x2))
Wi-Fi 6 (802.11 ax 2X2)
BluetoothBluetooth 5.0Bluetooth® v5.0

Battery

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
Size37Wh (2-cell lithium-polymer battery)69.7 Wh
Battery Life-19 hours
Power Supply45W power adapter
19V DC, 7=2.37A
65W Power Adapter

Software

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
OS
  • Windows 10 Home
  • Windows 10 Pro
  • Windows 10 Home
  • Windows 10 Pro
Built-in Apps
MyASUS McAfee's free one-year offer
MyASUS Features
  • System Diagnosis
  • Battery Health Charging
  • Splendid
  • Tru2Life
  • Function Key Lock
  • WiFi roaming optimization
  • AppDeals
  • Link to MyASUS
  • 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

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
Camera
  • Front-facing camera
    720p (1280 x 720 HD) camera.
HD front-facing camera
Audio
  • 3.5mm headphone jack
  • ASUS SonicMaster Technology
  • AKG Stereo Speakers
  • Smart Amp (Max 5 W x 2)
  • Internal Digital Mic

Misc

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
Inking-Yes (Built-in S Pen)
Sensors
  • Fingerprint sensor (optional)
  • Fingerprint sensor
Security
  • Fingerprint reader (optional)
  • 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

ASUS VivoBook 15 X512JSamsung Galaxy Book Flex 15”
At Glance
Released in
2020
16:9 FHD
15.6”
1080p 60Hz
Weight
3.74 lb
1.70 kg
Up to
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
Upgradable up to
16GB
2400 MHz DDR4
Nvidia GeForce
MX330
2GB GDDR5
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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