Dell Inspiron 13 5390 vs. Lenovo Legion Y740 15”: Full specs comparison

We have comprehensively compared the specifications for the Dell Inspiron 13 5390 and Lenovo Legion Y740 15” models. The report includes detailed information regarding both models' CPU, memory, storage, battery life, display quality, and other features.

Dell Inspiron 13 5390 Pros

Reasons that Dell Inspiron 13 5390 is better than Lenovo Legion Y740 15”.

About 56% lighter

Dell Inspiron 13 5390 weighed 2.16 pounds, 56% lighter than the 4.85 pounds Lenovo Legion Y740 15”.

WeightDell Inspiron 13 5390Lenovo Legion Y740 15”
Pound
2.16 lbs.
4.85 lbs.
Kilogram
0.98 kg
2.20 kg

Lenovo Legion Y740 15” Pros

Reasons that Lenovo Legion Y740 15” is better than Dell Inspiron 13 5390.

Much faster CPU performance

Intel Core i7-9750H inside Lenovo Legion Y740 15” has a 109% better multi-core CPU performance score than the Intel Core i7-8565U inside Dell Inspiron 13 5390.

Geekbench 5 multi-core score
Lenovo Legion Y740 15” - Intel Core i7-9750H
4,880
Lenovo Legion Y740 15” - Intel Core i7-8750H
4,470
Lenovo Legion Y740 15” - Intel Core i5-8300H
3,269
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 Y740 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 Y740 15”
32 GB
Dell Inspiron 13 5390
8 GB
Supports faster memory

Lenovo Legion Y740 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 Y740 15” - DDR4
3,200 MHz
Dell Inspiron 13 5390 - LPDDR3
2,133 MHz
Upgradable memory

Lenovo Legion Y740 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 Y740 15”
Slots
Onboard
x2
TypeLPDDR3DDR4
17% larger display

Lenovo Legion Y740 15” has a 15.6-inch screen size 17% larger than the 13.3-inch Dell Inspiron 13 5390.

Display size
Lenovo Legion Y740 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
Synvy Tempered Glass Screen Protector Film, compatible with Dell Inspiron 13 5000 (wifi) 5390 2019 13.3" Active Area Cover Only, 9H Protective Film Protectors
Synvy Tempered Glass Screen Protector Film, compatible with Dell Inspiron 13 5000 (wifi) 5390 2019 13.3" Active Area Cover Only, 9H Protective Film Protectors
By Film for Dell Inspiron 13 5000 (wifi) 5390 2019
$34.96
Synvy Privacy Screen Protector Film, compatible with Dell Inspiron 13 5000 (wifi) 5390 2019 13.3" Anti Spy Guard Sticker [ Not Tempered Glass Protectors ]
Synvy Privacy Screen Protector Film, compatible with Dell Inspiron 13 5000 (wifi) 5390 2019 13.3" Anti Spy Guard Sticker [ Not Tempered Glass Protectors ]
By Film for Dell Inspiron 13 5000 (wifi) 5390
$28.99
[2 Pack] Synvy Anti Blue Light Screen Protector, compatible with Dell Inspiron 13 5000 (wifi) 5390 2019 13.3" Guard Sticker [ Not Tempered Glass Protectors ]
[2 Pack] Synvy Anti Blue Light Screen Protector, compatible with Dell Inspiron 13 5000 (wifi) 5390 2019 13.3" Guard Sticker [ Not Tempered Glass Protectors ]
By Film for Dell Inspiron 13 5000 (wifi) 5390
$20.99
Lenovo Legion Y740 15” Price
Lenovo Legion Y740 15-Inch Iron Grey Laptop (81UH0001US) Intel i7-9750H, 16GB RAM, 256GB SSD, 15.6-inch FHD 1920x1080, NVIDIA GeForce RTX2070, Win10 Home, 720p Webcam, RGB Backlit KB, 230W SlimTip AC
Lenovo Legion Y740 15-Inch Iron Grey Laptop (81UH0001US) Intel i7-9750H, 16GB RAM, 256GB SSD, 15.6-inch FHD 1920x1080, NVIDIA GeForce RTX2070, Win10 Home, 720p Webcam, RGB Backlit KB, 230W SlimTip AC
By Lenovo
$2,499.00
New Gneuine Replacement LCD Back Cover for Lenovo Legion Y740-15 Series with Antenna Cables 5CB0S16417
New Gneuine Replacement LCD Back Cover for Lenovo Legion Y740-15 Series with Antenna Cables 5CB0S16417
By Comp XP
$189.95
New Genuine Replacement Palmrest Touchpad Keyboard for Lenovo Ideapad Legion Y740-15 Legion Y740-15ICHg (Lenovo) 81HE Legion Y740-15IRH (ideapad) 81UF Legion Y740-15IRHg Laptop (ideapad) 5CB0S16420
New Genuine Replacement Palmrest Touchpad Keyboard for Lenovo Ideapad Legion Y740-15 Legion Y740-15ICHg (Lenovo) 81HE Legion Y740-15IRH (ideapad) 81UF Legion Y740-15IRHg Laptop (ideapad) 5CB0S16420
By COMP XP
$309.95

Availability

Dell Inspiron 13 5390Lenovo Legion Y740 15”
Released20192019
Release Date
  • Announced at Computex 2019
  • Announced at CES 2019
  • Available in February 2019
  • Refreshed in April 2019 for 9th Gen Intel processors
Pricing
  • Starting at $579.99 (non-WWAN)
  • Starting at $729.99 (WWAN)
Starting at $1,749.99

Exterior

Dell Inspiron 13 5390Lenovo Legion Y740 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)
14.2” x 10.5” x 0.88” / 361.42 x 267 x 22.45 (mm)
Weight
  • Non-WWAN Models
    • 2.16 lb (1.18 kg)
  • WWAN Models
    • 2.65 lb (1.20 kg)
Starting at 4.85 lbs (2.2 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
Iron 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, Backlit with Corsair® iCUE RGB lighting keyboard.
    • The water-repellent keyboard delivers 100% anti-ghosting.
  • Touchpad
    • Precision Touchpad.
    • Supports multi-touch gesture.
    • Two physical left-right click buttons.

Display

Dell Inspiron 13 5390Lenovo Legion Y740 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, Dolby Vision HDR400 Enabled, 144 Hz, 72% Color Gamut, 500 nits, NVIDIA® G-Sync™.
  • 15.6" FHD 144Hz
    1920 x 1080, IPS, 144 Hz, 72% Color Gamut, 300 nits, NVIDIA® G-Sync™.

Ports

Dell Inspiron 13 5390Lenovo Legion Y740 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. 1 x USB 3.1 Gen 2 Type-C with Intel Thunderbolt 3 (DisplayPort, Data transfer)
  2. 1 x USB 3.1 Gen 2
  3. 2 x USB 3.1 Gen 1
  4. 1 x Mini DisplayPort ™ 1.4
  5. 1 x HDMI™ 2.0
  6. 1 x RJ45 Ethernet
  7. 1 x Kensington® Wedge Lock slot
  8. 1 x 3.5mm microphone/headphone combo
  9. 1 x NOVO hole

Internal Specs

Dell Inspiron 13 5390Lenovo Legion Y740 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. 8th Gen Intel® Core™ i5-8300H
    4 cores, 8 threads, 2.30 → 4.00 GHz, 8MB SmartCache, 45W
  2. 8th Gen Intel® Core™ i7-8750H
    6 cores, 12 threads, 2.20 → 4.10 GHz, 9MB SmartCache, 45W
  3. 9th Gen Intel® Core™ i7-9750H
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB 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. 8th Gen Intel® Core™ i5-8300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1000 MHz
  2. 8th Gen Intel® Core™ i7-8750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  3. 9th Gen Intel® Core™ i7-9750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 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: 2666MHz or 3200MHz
Discrete GraphicsNVIDIA® GeForce® MX250 (Optional)
Pascal Architecture, 2GB GDDR5 64-bit, 1518 → 1582 MHz, 384 CUDA Cores.
  • NVIDIA® GeForce® RTX 2080 with Max-Q 8GB GDDR 6& G-SYNC support
  • NVIDIA® GeForce® RTX 2070 with Max-Q 8GB GDDR 6 & G-SYNC support
  • NVIDIA® GeForce® RTX 2060 6GB GDDR 6 & G-SYNC support
  • NVIDIA® GeForce® GTX 1660 Ti 6GB GDDR 6
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 Y740 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)
Killer™ Wireless 802.11 AC (2 x 2)
Up to 867 Mbps, WiFi 802.11 b/g/a/n/ac.
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 Y740 15”
Size
  • 4-Cell Battery, 45 Whr (Integrated)
  • 4-Cell Battery, 52 Whr (Integrated)
  • 57 Wh (3 Cell Li-Polymer)
  • 76 Wh (4 Cell Li-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 5 hours
Power Supply65 Watt AC Adapter230W AC power adapter
Lenovo proprietary charging port.

Software

Dell Inspiron 13 5390Lenovo Legion Y740 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
  • Lenovo Vantage
  • McAfee® Antivirus
  • Corsair® iCUE
  • PC Manager
  • Lenovo Antivirus Plus
  • Magic Y Key

Camera & Audio

Dell Inspiron 13 5390Lenovo Legion Y740 15”
Camera
  • Integrated Widescreen HD (720p) Webcam
Front-facing camera
Bottom-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
  • Dolby Atmos® Speaker System with Soundbar and integrated subwoofer with Smart AMP technology for gaming.
  • Dual-array microphones

Misc

Dell Inspiron 13 5390Lenovo Legion Y740 15”
Sensors
  • Fingerprint reader sensor (Optional)
-
SecurityFingerprint Reader with Windows Hello (Optional)
  • Chassis Kensington® Wedge security lock
In the box-
  • Legion Y740 15"
  • 230W AC Adapter
  • 3 Cell Li-Polymer, 57Wh
  • Quick start guide
Warranty-1 Year Depot or Carry-in

Key Features

Dell Inspiron 13 5390Lenovo Legion Y740 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
2019
16:9 FHD
15.6”
1080p 144Hz
Weight
4.85 lb
2.20 kg
Up to
Intel Core i7-9750H
6C/12T, 2.60 → 4.50 GHz
Geekbench 5
1,044
Single Core
Geekbench 5
4,880
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1150 MHz
Upgradable up to
32GB
3200 MHz DDR4
NVIDIA GeForce
RTX 2080
8GB GDDR6 with Max-Q

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