Dell Inspiron 13 5390 vs. Lenovo Legion 7i 15”: Which is better?

Here is a side by side comparison between Dell Inspiron 13 5390 and Lenovo Legion 7i 15” specs including CPU, RAM, storage, battery, display, and more.

Dell Inspiron 13 5390 Pros

Reasons that Dell Inspiron 13 5390 is better than Lenovo Legion 7i 15”.

About 54% lighter

Dell Inspiron 13 5390 weighed 2.16 pounds, 54% lighter than the 4.6 pounds Lenovo Legion 7i 15”.

WeightDell Inspiron 13 5390Lenovo Legion 7i 15”
Pound
2.16 lbs.
4.6 lbs.
Kilogram
0.98 kg
2.09 kg

Lenovo Legion 7i 15” Pros

Reasons that Lenovo Legion 7i 15” is better than Dell Inspiron 13 5390.

Newer manufacturing

2020 vs. 2019

Much faster CPU performance

Intel Core i9-10980HK inside Lenovo Legion 7i 15” has a 201% better multi-core CPU performance score than the Intel Core i7-8565U inside Dell Inspiron 13 5390.

Geekbench 5 multi-core score
Lenovo Legion 7i 15” - Intel Core i9-10980HK
7,013
Lenovo Legion 7i 15” - Intel Core i7-10875H
6,874
Lenovo Legion 7i 15” - Intel Core i7-10750H
5,412
Lenovo Legion 7i 15” - Intel Core i5-10300H
3,747
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

Lenovo Legion 7i 15” supports a larger memory capacity than the Dell Inspiron 13 5390. It supports up to 32GB versus 8GB of system memory on the Dell Inspiron 13 5390.

Max system memory size
Lenovo Legion 7i 15”
32 GB
Dell Inspiron 13 5390
8 GB
Supports faster memory

Lenovo Legion 7i 15” supports a faster memory speed than the Dell Inspiron 13 5390. It supports up to 3200MHz versus 2133MHz of system memory on the Dell Inspiron 13 5390.

Memory type and speed
Lenovo Legion 7i 15” - DDR4
3,200 MHz
Dell Inspiron 13 5390 - LPDDR3
2,133 MHz
Upgradable memory

Lenovo Legion 7i 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 Dell Inspiron 13 5390 since it has onboard memory.

MemoryDell Inspiron 13 5390Lenovo Legion 7i 15”
Slots
Onboard
x2
TypeLPDDR3DDR4
17% larger display

Lenovo Legion 7i 15” has a 15.6-inch screen size 17% larger than the 13.3-inch Dell Inspiron 13 5390.

Display size
Lenovo Legion 7i 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
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
$474.88
$499.00 5% OFF
Dell Inspiron 45W Laptop Charger Adapter Power Cord for Inspiron 13 5368 5378 7352 7353 7359 7368 7378; Inspiron 14 3451 3452 3458 3459 5451 5452 5455 5458 5459 5468 7437 7460; XPS 11 12 13
Dell Inspiron 45W Laptop Charger Adapter Power Cord for Inspiron 13 5368 5378 7352 7353 7359 7368 7378; Inspiron 14 3451 3452 3458 3459 5451 5452 5455 5458 5459 5468 7437 7460; XPS 11 12 13
By Dell
$22.89
Dell Inspiron 13 5310, 13.3 inch QHD Non-Touch Laptop - Intel Core i7-11390H, 16GB LPDDR4x RAM, 512GB SSD, NVIDIA GeForce MX450 with 2GB GDDR6, Windows 11 Home - Platinum Silver (Latest Model)
Dell Inspiron 13 5310, 13.3 inch QHD Non-Touch Laptop - Intel Core i7-11390H, 16GB LPDDR4x RAM, 512GB SSD, NVIDIA GeForce MX450 with 2GB GDDR6, Windows 11 Home - Platinum Silver (Latest Model)
By Dell
$1,062.83
Lenovo Legion 7i 15” Price
Lenovo Legion Pro 7i Gen 9 16" Gaming Laptop (2024 Model) Intel Core i9-14900HX 24C, NVIDIA GeForce RTX 4090 16GB, 32GB RAM, 2TB (1TB+1TB) NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
Lenovo Legion Pro 7i Gen 9 16" Gaming Laptop (2024 Model) Intel Core i9-14900HX 24C, NVIDIA GeForce RTX 4090 16GB, 32GB RAM, 2TB (1TB+1TB) NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
By Lenovo
$3,295.00
Lenovo Legion Slim 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i7-13700H 14C, NVIDIA GeForce RTX 4060, 16GB RAM, 1TB M.2 NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
Lenovo Legion Slim 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i7-13700H 14C, NVIDIA GeForce RTX 4060, 16GB RAM, 1TB M.2 NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
By Lenovo
$1,699.95
Lenovo Legion Pro 7i Gaming Laptop, 16" WQHD IPS 240Hz Display, Intel Core i9-13900HX, GeForce RTX 4080, 32GB DDR5 RAM, 2TB SSD, Webcam, Per-Key RGB Backlit KB, Wi-Fi 6E, Windows 11 Home
Lenovo Legion Pro 7i Gaming Laptop, 16" WQHD IPS 240Hz Display, Intel Core i9-13900HX, GeForce RTX 4080, 32GB DDR5 RAM, 2TB SSD, Webcam, Per-Key RGB Backlit KB, Wi-Fi 6E, Windows 11 Home
By Lenovo
$2,558.91

Availability

Dell Inspiron 13 5390Lenovo Legion 7i 15”
Released20192020
Release Date
  • Announced at Computex 2019
Announced in April 2020
Pricing
  • Starting at $579.99 (non-WWAN)
  • Starting at $729.99 (WWAN)
Starting at $1199.99

Exterior

Dell Inspiron 13 5390Lenovo Legion 7i 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)
14.1" x 10" x 0.8"/ 360mm x 255mm x 20mm
Weight
  • Non-WWAN Models
    • 2.16 lb (1.18 kg)
  • WWAN Models
    • 2.65 lb (1.20 kg)
Starting at 4.6 lbs (2.1 kg)
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
Slate Grey
Keyboard and Trackpad
  • Full-size, spill-resistant keyboard
  • Optional backlit full-size, spill-resistant keyboard
  • Multi-touch gesture-enabled precision touchpad with integrated scrolling
  • Keyboard
    • Backlit full-size with the backlit keyboard.
    • Corsair® iCUE RGB support
  • Touchpad
    • Precision Touchpad.
    • Supports multi-touch gesture.

Display

Dell Inspiron 13 5390Lenovo Legion 7i 15”
Size13.3 Inches15.6 Inches
Info13.3-inch FHD (1920 x 1080) TrueLife LED Backlight Non-touch Narrow Border Wide Viewing Angle Display
  • 15.6" FHD 144Hz
    1920 x 1080, IPS, 144 Hz, < 3ms response time, 100% sRGB, 300 nits.
  • 15.6" FHD 144Hz HDR
    1920 x 1080, IPS, 144 Hz, <3 ms Response Time, 100% Adobe RGB, 500 nits, VESA DisplayHDR 400-certified, Dolby Vision™-enabled.
  • 15.6" FHD 240Hz HDR
    1920 x 1080, IPS, 240 Hz, <1 ms Response Time, 100% sRGB, 500 nits, VESA DisplayHDR 400 Certified, Dolby Vision™ Enabled.

Ports

Dell Inspiron 13 5390Lenovo Legion 7i 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
  • 1 x Thunderbolt™ 3 Type-C™ (Thunderbolt™, DisplayPort™, USB 3.1, HDMI™)
  • 1 x USB-C (DisplayPort™ 1.4, USB 3.1 Gen 1)
  • 2 x USB 3.1 Gen 2 Type-A
  • 1 x USB 3.1 Gen 1 Type-A
  • 1 x HDMI™ 2.0
  • 1 x RJ45 Ethernet
  • 1 x Kensington MiniSaver Lock slot
  • 1 x 3.5mm microphone/headphone combo
  • 1 x Power input
  • 1 x NOVO hole

Internal Specs

Dell Inspiron 13 5390Lenovo Legion 7i 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™ 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
  4. 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
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™ 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
  4. 10th Gen Intel® Core™ i9-10980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
Memory
4 GB 8 GB
2133 MHz dual-channel onboard LPDDR3 RAM.
  • Memory Slots
    • 2 x DDR4 SODIMM
  • Memory Configurations
    • Minimum Memory: 8GB
    • Maximum Memory: 32GB
    • Memory Speed: 2933MHz or 3200MHz
Discrete GraphicsNVIDIA® GeForce® MX250 (Optional)
Pascal Architecture, 2GB GDDR5 64-bit, 1518 → 1582 MHz, 384 CUDA Cores.
  • NVIDIA® GeForce® GTX 1660 Ti (6GB GDDR6)
  • NVIDIA® GeForce RTX™ 2060 (6GB GDDR6)
  • NVIDIA® GeForce RTX™ 2070 Max-Q (8GB GDDR6)
  • NVIDIA® GeForce RTX™ 2080 SUPER Max-Q (8GB GDDR6)
  • NVIDIA® GeForce RTX™ 2070 SUPER Max-Q (8GB GDDR6)
Storage
128 GB 256 GB 512 GB
M.2 PCIe NVMe Solid State Drive.
  • 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

Dell Inspiron 13 5390Lenovo Legion 7i 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)
WiFi 6 802.11AX (2 x 2)
Up to 2400 Mbps, WiFi 802.11 b/g/a/n/ac/ax.
Bluetooth
  • Bluetooth 5.0
Bluetooth 5.0
Ethernet-Gigabit LAN
Speed: 10/100/1000 Mbps.
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 5390Lenovo Legion 7i 15”
Size
  • 4-Cell Battery, 45 Whr (Integrated)
  • 4-Cell Battery, 52 Whr (Integrated)
80 Wh (4 Cell polymer)
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.
Up to 7.7 hours
Power Supply65 Watt AC Adapter230W AC power adapter
Lenovo proprietary charging port.

Software

Dell Inspiron 13 5390Lenovo Legion 7i 15”
OS
Windows 10 Home Windows 10 Pro Ubuntu 18.04
Upgradable to Windows 11
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
Built-in Apps
  • Microsoft Office 30 Trial
  • McAfee LiveSafe
  • Foxit Phantom Standard PDF
  • SupportAssist
  • Dell Mobile Connect
  • Dell Color Profiles
  • SmartByte
  • Wave MaxxAudio® Pro
  • Corsair® iCUE
  • Lenovo Vantage
  • McAfee LiveSafe™
  • Microsoft Office Trial

Camera & Audio

Dell Inspiron 13 5390Lenovo Legion 7i 15”
Camera
  • Integrated Widescreen HD (720p) Webcam
Front-facing camera
Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
Audio
  • 2 x tuned speakers, audio processing by Waves MaxxAudio® Pro
  • 1 x combo headphone/microphone jack
  • Dual Digital Microphone Array
  • 2 x 2W Harman Kardon® Speaker System with Chamber
  • Dolby Atmos® Headphone Support
  • Dual-array microphones

Misc

Dell Inspiron 13 5390Lenovo Legion 7i 15”
Sensors
  • Fingerprint reader sensor (Optional)
-
SecurityFingerprint Reader with Windows Hello (Optional)
  • Chassis Kensington® Wedge security lock
In the box-
  • Legion 7i 15"
  • 4 Cell 80Wh internal battery
  • 230W AC adapter
  • Quick start guide
Warranty-One Year Legion Ultimate Support

Key Features

Dell Inspiron 13 5390Lenovo Legion 7i 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
2020
16:9 FHD
15.6”
1080p 240Hz
Weight
4.6 lb
2.09 kg
Up to
Intel Core i9-10980HK
8C/16T, 2.40 → 5.30 GHz
Geekbench 5
1,223
Single Core
Geekbench 5
7,013
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Upgradable up to
32GB
3200 MHz DDR4
NVIDIA GeForce
RTX 2070 SUPER
8GB GDDR6 with Max-Q

Comparison Summary

Dell Inspiron 13 5390 vs. Lenovo Legion 7i 15”

Dell has released the Inspiron 13 5390, a 13.3-inch machine, in mid-2019. It is powered by up to a quad-core Intel Core i7-8565U with a boost clock speed up to 4.60 GHz. The laptop has a dedicated GPU option up to Nvidia GeForce MX250 with 2GB GDDR5.

On the other hand, we have the 15.6-inch Legion 7i 15” was introduced by Lenovo about a year later in 2020. It comes with up to an octa-core Intel Core i9-10980HK with a boost clock speed up to 5.30 GHz. It has a dedicated GPU option up to NVIDIA GeForce RTX 2070 SUPER with 8GB GDDR6 with Max-Q.

Geekbench 5 Single Core

Dell Inspiron 13 53901
8th Gen Intel® Core™ i3-8145U74861.16%
2
8th Gen Intel® Core™ i5-8265U64552.74%
3
8th Gen Intel® Core™ i7-8565U80465.74%
Lenovo Legion 7i 15”1
10th Gen Intel® Core™ i5-10300H1,06186.75%
2
10th Gen Intel® Core™ i7-10750H1,13492.72%
3
10th Gen Intel® Core™ i7-10875H1,19297.47%
4
10th Gen Intel® Core™ i9-10980HK1,223100.00%
01,223

Geekbench 5 Multi Core

Dell Inspiron 13 53901
8th Gen Intel® Core™ i3-8145U1,55322.14%
2
8th Gen Intel® Core™ i5-8265U2,13230.40%
3
8th Gen Intel® Core™ i7-8565U2,32733.18%
Lenovo Legion 7i 15”1
10th Gen Intel® Core™ i5-10300H3,74753.43%
2
10th Gen Intel® Core™ i7-10750H5,41277.17%
3
10th Gen Intel® Core™ i7-10875H6,87498.02%
4
10th Gen Intel® Core™ i9-10980HK7,013100.00%
07,013

The Dell Inspiron 13 5390 has a 13.3-inch display which is considerably smaller than the 15.6-inch Lenovo Legion 7i 15”. In addition, The Dell Inspiron 13 5390 weighs 2.16 lbs. about 112% lighter than the 4.6 lbs. Lenovo Legion 7i 15”. Moreover, measured at 12.11” x 8.05” x 0.65”, the Dell Inspiron 13 5390 is much more portable than the Lenovo Legion 7i 15” at 14.1” x 10” x 0.8”.

Dell Inspiron 13 5390Lenovo Legion 7i 15”

Moving over to upgradability, Dell claims that the Dell Inspiron 13 5390 supports up to 8GB 2133 MHz LPDDR3 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 7i 15”, it supports up to 32GB 3200 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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