Dell Inspiron 13 5390 vs. Samsung Galaxy Book Flex 15”: Full specs comparison

We have comprehensively analyzed the technical specifications for the Dell Inspiron 13 5390 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.

Dell Inspiron 13 5390 Pros

Reasons that Dell Inspiron 13 5390 is better than Samsung Galaxy Book Flex 15”.

About 36% lighter

Dell Inspiron 13 5390 weighed 2.16 pounds, 36% lighter than the 3.35 pounds Samsung Galaxy Book Flex 15”.

WeightDell Inspiron 13 5390Samsung Galaxy Book Flex 15”
Pound
2.16 lbs.
3.35 lbs.
Kilogram
0.98 kg
1.52 kg

Samsung Galaxy Book Flex 15” Pros

Reasons that Samsung Galaxy Book Flex 15” is better than Dell Inspiron 13 5390.

Much faster CPU performance

Intel Core i7-1065G7 inside Samsung Galaxy Book Flex 15” has a 59% better multi-core CPU performance score than the Intel Core i7-8565U inside Dell Inspiron 13 5390.

Geekbench 5 multi-core score
Samsung Galaxy Book Flex 15” - Intel Core i7-1065G7
3,722
Dell Inspiron 13 5390 - Intel Core i7-8565U
2,327
Dell Inspiron 13 5390 - Intel Core i5-8265U
2,132
Dell Inspiron 13 5390 - Intel Core i3-8145U
1,553
Supports larger memory

Samsung Galaxy Book Flex 15” supports a larger memory capacity than the Dell Inspiron 13 5390. It supports up to 16GB versus 8GB of system memory on the Dell Inspiron 13 5390.

Max system memory size
Samsung Galaxy Book Flex 15”
16 GB
Dell Inspiron 13 5390
8 GB
Supports faster memory

Samsung Galaxy Book Flex 15” supports a faster memory speed than the Dell Inspiron 13 5390. It supports up to 3733MHz versus 2133MHz of system memory on the Dell Inspiron 13 5390.

Memory type and speed
Samsung Galaxy Book Flex 15” - LPDDR4X
3,733 MHz
Dell Inspiron 13 5390 - LPDDR3
2,133 MHz
17% larger display

Samsung Galaxy Book Flex 15” has a 15.6-inch screen size 17% larger than the 13.3-inch Dell Inspiron 13 5390.

Display size
Samsung Galaxy Book Flex 15”
15.6-inch
Dell Inspiron 13 5390
13.3-inch

Prices

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

Dell Inspiron 13 5390 Price
New Genuine Inspiron 11 13 14 15 Laptop Charger 45W(watt) Slim AC Power Adapter(LA45NM140/0KXTTW/0285K) for Dell Inspiron 3000 5000 7000 Series Charger ���
New Genuine Inspiron 11 13 14 15 Laptop Charger 45W(watt) Slim AC Power Adapter(LA45NM140/0KXTTW/0285K) for Dell Inspiron 3000 5000 7000 Series Charger ���
By Dell
$22.49
$24.95 10% OFF
Dell Inspiron 15 3530 Business Laptop 15.6" FHD Anti-Glare Touchscreen Intel 10-Core i5-1335U Processor (>i7-1255u) 16GB RAM 512GB SSD FHD Webcam ExpressCharge Long Battery Life Win11
Dell Inspiron 15 3530 Business Laptop 15.6" FHD Anti-Glare Touchscreen Intel 10-Core i5-1335U Processor (>i7-1255u) 16GB RAM 512GB SSD FHD Webcam ExpressCharge Long Battery Life Win11
By Dell
$472.88
$496.00 5% OFF
Dell Inspiron 7430 14" FHD+ (1920x1200) IPS Touch 2-in-1 Laptop | Intel i7-1355U 10-Core | Iris Xe Graphics | Backlit Keyboard | Fingerprint | Thunderbolt 4 | WiFi 6E | 16GB LPDDR5 1TB SSD | Win11 Pro
Dell Inspiron 7430 14" FHD+ (1920x1200) IPS Touch 2-in-1 Laptop | Intel i7-1355U 10-Core | Iris Xe Graphics | Backlit Keyboard | Fingerprint | Thunderbolt 4 | WiFi 6E | 16GB LPDDR5 1TB SSD | Win11 Pro
By Dell
$749.99
$814.40 8% OFF
Samsung Galaxy Book Flex 15” Price
SAMSUNG Galaxy Book Flex 15.6" - Intel Core i7 Processor 1065G7-16GB Memory - 512GB SSD - NP950QCG-K03US
SAMSUNG Galaxy Book Flex 15.6" - Intel Core i7 Processor 1065G7-16GB Memory - 512GB SSD - NP950QCG-K03US
By SAMSUNG
$1,343.57
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 Book2 Pro 360 2-in-1 Business Laptop (15.6" FHD AMOLED Touchscreen, Intel 12-Core i7-1260P, 16GB RAM, 1TB SSD, Active Stylus), Thunderbolt 4, Backlit, FP, IST Cable, Webcam, Win 11 Home
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), Thunderbolt 4, Backlit, FP, IST Cable, Webcam, Win 11 Home
By Samsung
$984.99

Availability

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
Released20192019
Release Date
  • Announced at Computex 2019
  • Announced at Samsung Developer Conference 2019 (SDC19)
  • Announced on October 30, 2019
Pricing
  • Starting at $579.99 (non-WWAN)
  • Starting at $729.99 (WWAN)
  • 1399.99 - i7 | 16GB RAM | 512GB SSD

Exterior

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
Dimensions
  • Non-WWAN Models
    • Front: 12.11 x 8.05 x 0.59 in (307.60 x 204.50 x 14.90 mm)
    • Back: 12.11 x 8.05 x 0.65 in (307.60 x 204.50 x 16.50 mm)
  • WWAN Models
    • Front: 12.11 x 8.05 x 0.66 in (307.60 x 204.50 x 16.80 mm)
    • Back: 12.11 x 8.05 x 0.73 in (307.60 x 204.50 x 18.50 mm)
13.98 x 8.94 x 0.59" (355 x 227.2 x 14.9 mm)
Weight
  • Non-WWAN Models
    • 2.16 lb (1.18 kg)
  • WWAN Models
    • 2.65 lb (1.20 kg)
  • 3.35 lbs (1.52 kg)
    Integrated graphics model
  • 3.46 lbs (1.57 kg)
    Discrete graphics model
Colors
  • Platinum Silver with dark gray bezel and keyboard (available on configurations without a backlit keyboard)
  • Platinum Silver with light gray bezel and silver keyboard (available on configurations with a backlit keyboard)
  • Ice Lilac
Royal Blue
Keyboard and Trackpad
  • Full-size, spill-resistant keyboard
  • Optional backlit full-size, spill-resistant keyboard
  • Multi-touch gesture-enabled precision touchpad with integrated scrolling
  • 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

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
Size13.3 Inches15.6 Inches
Info13.3-inch FHD (1920 x 1080) TrueLife LED Backlight Non-touch Narrow Border Wide Viewing Angle Display
  • Resolution: 1920 x 1080
  • Aspect Ratio: 16:9
  • Panel Type: QLED

Ports

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
Dell Inspiron 13 5390 Ports
Image Source: Dell
  • 1 x HDMI 1.4b
  • 1 x USB 3.1 Gen 1 Type-C™ (DP/PowerDelivery)
  • 1 x USB 3.1 Gen 1
  • 1 x Micro SD card reader
  • 1 x Headphone & Microphone Audio Jack
  • 1 x AC Power
  • 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

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
Processor
  1. 8th Gen Intel® Core™ i3-8145U
    2 cores, 4 threads, 2.10 → 3.90 GHz, 4MB SmartCache, 15W
  2. 8th Gen Intel® Core™ i5-8265U
    4 cores, 8 threads, 1.60 → 3.90 GHz, 6MB SmartCache, 15W
  3. 8th Gen Intel® Core™ i7-8565U
    4 cores, 8 threads, 1.80 → 4.60 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. 8th Gen Intel® Core™ i3-8145U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1000 MHz
  2. 8th Gen Intel® Core™ i5-8265U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1100 MHz
  3. 8th Gen Intel® Core™ i7-8565U
    Intel® UHD Graphics 620
    24 Execution Units, 300 → 1150 MHz
  1. 10th Gen Intel® Core™ i7-1065G7
    Intel® Iris® Plus Graphics
    64 Execution Units, 300 → 1100 MHz
Memory
4 GB 8 GB
2133 MHz dual-channel onboard LPDDR3 RAM.
  • Memory Slots
    • Onboard Memory
  • Memory Configurations
    • Memory Size: Up to 16 GB
    • Memory Speed: 3733 MHz
Discrete GraphicsNVIDIA® GeForce® MX250 (Optional)
Pascal Architecture, 2GB GDDR5 64-bit, 1518 → 1582 MHz, 384 CUDA Cores.
NVIDIA® GeForce® MX250 (2GB GDDR5 VRAM)
Storage
128 GB 256 GB 512 GB
M.2 PCIe NVMe Solid State Drive.
  • Hard Drive Slots
    • 1 x M.2 2230/2280 PCIe SSD slot
  • Hard Drive Configurations
    • Up to 1TB M.2 NVMe PCIe SSD

Connectivity

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
Wi-Fi
  • Intel 9560
    Up to 1730 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac)
  • Intel 9462
    Up to 433 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac)
Wi-Fi 6 (802.11 ax 2X2)
Bluetooth
  • Bluetooth 5.0
Bluetooth® v5.0
More
  • Optional Wireless Wide Area Network (WWAN)
    • Intel 7360 (DW5820e)
    • Up to 450 Mbps DL/50 Mbps UL (Cat 9)
    • Frequency bands supported (LTE FDD: 450 Mbps DL/50 Mbps UL (Cat 9), LTE TDD: B347 Mbps DL/30 Mbps UL (Cat 9), UMTS/HSPA+: UMTS 384 Kbps DL/384 Kbps UL)
    • Wireless standards (LTE Category 16, UMTS/HSPA+)
    • Global Navigation Satellite System (GNSS) (Supports GPS, BDS, and GLONASS)
-

Battery

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
Size
  • 4-Cell Battery, 45 Whr (Integrated)
  • 4-Cell Battery, 52 Whr (Integrated)
69.7 Wh
Battery Life
  • Non-WWAN Models
    • Up to 13 hours 06 minutes
  • WWAN Models
    • Up to 13 hours 44 minutes
* Tested on the Mobile Mark 2014 benchmark test.
19 hours
Power Supply65 Watt AC Adapter65W Power Adapter

Software

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
OS
Windows 10 Home Windows 10 Pro Ubuntu 18.04
Upgradable to Windows 11
  • Windows 10 Home
  • Windows 10 Pro
Built-in Apps
  • Microsoft Office 30 Trial
  • McAfee LiveSafe
  • Foxit Phantom Standard PDF
  • SupportAssist
  • Dell Mobile Connect
  • Dell Color Profiles
  • SmartByte
  • Wave MaxxAudio® Pro
  • 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

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
Camera
  • Integrated Widescreen HD (720p) Webcam
HD front-facing camera
Audio
  • 2 x tuned speakers, audio processing by Waves MaxxAudio® Pro
  • 1 x combo headphone/microphone jack
  • Dual Digital Microphone Array
  • AKG Stereo Speakers
  • Smart Amp (Max 5 W x 2)
  • Internal Digital Mic

Misc

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
Inking-Yes (Built-in S Pen)
Sensors
  • Fingerprint reader sensor (Optional)
  • Fingerprint sensor
SecurityFingerprint Reader with Windows Hello (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

Dell Inspiron 13 5390Samsung Galaxy Book Flex 15”
At Glance
Released in Mid
2019
16:9 FHD
13.3”
1080p 60Hz
Weight
2.16 lb
0.98 kg
Up to
Intel Core i7-8565U
4C/8T, 1.80 → 4.60 GHz
Geekbench 5
804
Single Core
Geekbench 5
2,327
Multi-Core
With integrated
Intel® UHD Graphics 620
24 Execution Units, 300 → 1150 MHz
Configurable up to
8GB
2133 MHz LPDDR3
Dell Inspiron 13 5390 Ports
Nvidia GeForce
MX250
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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