Lenovo Legion Y740 17” vs. Dell Inspiron 13 5391: Full specs comparison

We have comprehensively compared the specifications for the Lenovo Legion Y740 17” and Dell Inspiron 13 5391 models. The report includes detailed information regarding both models' CPU, memory, storage, battery life, display quality, and other features.

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Lenovo Legion Y740 17” image

Lenovo Legion Y740 17”

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Dell Inspiron 13 5391 image

Dell Inspiron 13 5391

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Lenovo Legion Y740 17” Pros

Reasons that Lenovo Legion Y740 17” is better than Dell Inspiron 13 5391.

Much faster CPU performance

Intel Core i7-9750H inside Lenovo Legion Y740 17” has a 65% better multi-core CPU performance score than the Intel Core i7-10510U inside Dell Inspiron 13 5391.

Geekbench 5 multi-core score
Lenovo Legion Y740 17” - Intel Core i7-9750H
4,880
Lenovo Legion Y740 17” - Intel Core i7-8750H
4,470
Lenovo Legion Y740 17” - Intel Core i5-8300H
3,269
Dell Inspiron 13 5391 - Intel Core i7-10510U
2,942
Dell Inspiron 13 5391 - Intel Core i5-10210U
2,933
Dell Inspiron 13 5391 - Intel Core i3-10110U
1,866
Supports larger memory

Lenovo Legion Y740 17” supports a larger memory capacity than the Dell Inspiron 13 5391. It supports up to 32GB versus 8GB of system memory on the Dell Inspiron 13 5391.

Max system memory size
Lenovo Legion Y740 17”
32 GB
Dell Inspiron 13 5391
8 GB
Supports faster memory

Lenovo Legion Y740 17” supports a faster memory speed than the Dell Inspiron 13 5391. It supports up to 3200MHz versus 2133MHz of system memory on the Dell Inspiron 13 5391.

Memory type and speed
Lenovo Legion Y740 17” - DDR4
3,200 MHz
Dell Inspiron 13 5391 - LPDDR3
2,133 MHz
Upgradable memory

Lenovo Legion Y740 17” 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 5391 since it has onboard memory.

MemoryLenovo Legion Y740 17”Dell Inspiron 13 5391
Slots
x2
Onboard
TypeDDR4LPDDR3
30% larger display

Lenovo Legion Y740 17” has a 17.3-inch screen size 30% larger than the 13.3-inch Dell Inspiron 13 5391.

Display size
Lenovo Legion Y740 17”
17.3-inch
Dell Inspiron 13 5391
13.3-inch

Dell Inspiron 13 5391 Pros

Reasons that Dell Inspiron 13 5391 is better than Lenovo Legion Y740 17”.

About 67% lighter

Dell Inspiron 13 5391 weighed 2.16 pounds, 67% lighter than the 6.4 pounds Lenovo Legion Y740 17”.

WeightLenovo Legion Y740 17”Dell Inspiron 13 5391
Pound
6.4 lbs.
2.16 lbs.
Kilogram
2.90 kg
0.98 kg

Prices

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

Lenovo Legion Y740 17” Price
Lenovo Legion Y740 17.3-inch FHD 1TB SSD 2.6GHz i7 Gaming Laptop (16GB RAM, 6-Core i7-9750H, GeForce RTX 2080, RGB Backlit Keyboard, HDMI, USB-C, Windows 10 Home) Black, 81UJ0001US
 Lenovo Legion Y740 17.3-inch FHD 1TB SSD 2.6GHz i7 Gaming Laptop (16GB RAM, 6-Core i7-9750H, GeForce RTX 2080, RGB Backlit Keyboard, HDMI, USB-C, Windows 10 Home) Black, 81UJ0001US
By Lenovo
$1,799.99
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Lenovo Legion Y740 Gaming Laptop, 17.3 FHD (1920 x 1080), 9th Gen Intel Core i7-9750H, 16GB RAM, 512GB SSD + 1TB HDD, NVIDIA GeForce RTX 2080 with Max-Q, Windows 10 (Renewed)
 Lenovo Legion Y740 Gaming Laptop, 17.3 FHD (1920 x 1080), 9th Gen Intel Core i7-9750H, 16GB RAM, 512GB SSD + 1TB HDD, NVIDIA GeForce RTX 2080 with Max-Q, Windows 10 (Renewed)
By Lenovo
$949.99
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2023 Lenovo Legion 5 17.3/'' FHD IPS 144Hz(AMD 8-Core Ryzen 7-5800H,64GB RAM,2TB PCIe SSD,GeForce RTX 3050 4GB)Gaming Laptop,Backlit Keyboard,WiFi 6,FreeSync,Ray Tracing,IST Cable,Win 11 Home,Black
 2023 Lenovo Legion 5 17.3/'' FHD IPS 144Hz(AMD 8-Core Ryzen 7-5800H,64GB RAM,2TB PCIe SSD,GeForce RTX 3050 4GB)Gaming Laptop,Backlit Keyboard,WiFi 6,FreeSync,Ray Tracing,IST Cable,Win 11 Home,Black
By Lenovo
$1,349.99
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Dell Inspiron 13 5391 Price
Dell Inspiron 13 5310, 13.3 inch QHD (Quad High Definition) Laptop - Thin and Light Intel Core i7-11370H, 16GB DDR4 RAM, 512GB SSD, NVIDIA GeForce MX450, Services - Windows 10 Home
 Dell Inspiron 13 5310, 13.3 inch QHD (Quad High Definition) Laptop - Thin and Light Intel Core i7-11370H, 16GB DDR4 RAM, 512GB SSD, NVIDIA GeForce MX450, Services - Windows 10 Home
By Dell
$789.99
$1,099.99 28% OFF
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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
$775.41
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Dell Inspiron 13 2-in-1 7391-13.3" FHD Touch - 10th gen i5-10210U - 8GB - 512GB SSD
 Dell Inspiron 13 2-in-1 7391-13.3" FHD Touch - 10th gen i5-10210U - 8GB - 512GB SSD
By Dell
$699.00
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Specs Comparison

Availability

Lenovo Legion Y740 17”Dell Inspiron 13 5391
Released20192019
Release Date
  • Announced at CES 2019
  • Available in February 2019
  • Refreshed in April 2019 for 9th Gen Intel processors
  • Announced at IFA 2019
  • Available on October 1, 2019
PricingStarting at $1,979.99
  • Starting at $579.99 (non-WWAN)
  • Starting at $729.99 (WWAN)

Exterior

Lenovo Legion Y740 17”Dell Inspiron 13 5391
Dimensions16.2” x 12” x 0.91” / 412.6 x 305 x 23 (mm)
  • 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)
WeightStarting at 6.4 lbs (2.9 kg)
  • Non-WWAN Models
    • 2.16 lb (1.18 kg)
  • WWAN Models
    • 2.65 lb (1.20 kg)
ColorsIron Grey
  • 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
Keyboard and Trackpad
  • Keyboard
    • Backlit full-size, Backlit with Corsair® iCUE RGB lighting keyboard with Numpad.
    • The water-repellent keyboard delivers 100% anti-ghosting.
  • Touchpad
    • Precision Touchpad.
    • Supports multi-touch gesture.
    • Two physical left-right click buttons.
  • Full-size, spill-resistant keyboard
  • Optional backlit full-size, spill-resistant keyboard
  • Multi-touch gesture-enabled precision touchpad with integrated scrolling

Display

Lenovo Legion Y740 17”Dell Inspiron 13 5391
Size17.3 Inches13.3 Inches
Info17.3" FHD 144Hz
1920 x 1080, IPS, Dolby Vision HDR Enabled, 144 Hz, 72% Color Gamut, 300 nits, NVIDIA® G-Sync™.
13.3-inch FHD (1920 x 1080) TrueLife LED Backlight Non-touch Narrow Border Wide Viewing Angle Display

Ports

Lenovo Legion Y740 17”Dell Inspiron 13 5391
  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
Dell Inspiron 13 5391 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

Internal Specs

Lenovo Legion Y740 17”Dell Inspiron 13 5391
Processor
  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
  1. 10th Gen Intel® Core™ i3-10110U
    2 cores, 4 threads, 2.10 → 4.10 GHz, 4MB SmartCache, 15W
  2. 10th Gen Intel® Core™ i5-10210U
    4 cores, 8 threads, 1.60 → 4.20 GHz, 6MB SmartCache, 15W
  3. 10th Gen Intel® Core™ i7-10510U
    4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
Integrated Graphics
  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
  1. 10th Gen Intel® Core™ i3-10110U
    Intel® UHD Graphics
    23 Execution Units, 300 → 1000 MHz
  2. 10th Gen Intel® Core™ i5-10210U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1100 MHz
  3. 10th Gen Intel® Core™ i7-10510U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
Memory
  • Memory Slots
    • 2 x DDR4 SODIMM
  • Memory Configurations
    • Minimum Memory: 8GB
    • Maximum Memory: 32GB
    • Memory Speed: 2666MHz or 3200MHz
4 GB 8 GB
2133 MHz dual-channel onboard LPDDR3 RAM.
Discrete Graphics
  • NVIDIA® GeForce® RTX 2080 with Max-Q 8GB GDDR6 & G-SYNC support
  • NVIDIA® GeForce® RTX 2070 with Max-Q 8GB GDDR6  & G-SYNC support
  • NVIDIA® GeForce® RTX 2060 6GB GDDR6 & G-SYNC support
  • NVIDIA® GeForce® GTX 1660 Ti 6GB GDDR6
NVIDIA® GeForce® MX250 (Optional) Pascal Architecture, 2GB GDDR5 64-bit, 1518 → 1582 MHz, 384 CUDA Cores.
Storage
  • 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
256 GB 512 GB
M.2 PCIe NVMe Solid State Drive.

Connectivity

Lenovo Legion Y740 17”Dell Inspiron 13 5391
Wi-FiKiller™ Wireless 802.11 AC (2 x 2)
Up to 867 Mbps, WiFi 802.11 b/g/a/n/ac.
  • 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)
BluetoothBluetooth 5.0
  • Bluetooth 5.0
EthernetGigabit 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

Lenovo Legion Y740 17”Dell Inspiron 13 5391
Size76 Wh (4 Cell Li-Polymer)
  • 4-Cell Battery, 45 Whr (Integrated)
  • 4-Cell Battery, 52 Whr (Integrated)
Battery LifeUp to 6 hours
  • 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.
Power Supply230W AC power adapter
Lenovo proprietary charging port.
65 Watt AC Adapter

Software

Lenovo Legion Y740 17”Dell Inspiron 13 5391
OS
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
Windows 10 Home Windows 10 Pro Ubuntu 18.04
Upgradable to Windows 11
Built-in Apps
  • Lenovo Vantage
  • McAfee® Antivirus
  • Corsair® iCUE
  • PC Manager
  • Lenovo Antivirus Plus
  • Magic Y Key
  • Microsoft Office 30 Trial
  • McAfee LiveSafe
  • Foxit Phantom Standard PDF
  • SupportAssist
  • Dell Mobile Connect
  • Dell Color Profiles
  • SmartByte
  • Wave MaxxAudio® Pro

Camera & Audio

Lenovo Legion Y740 17”Dell Inspiron 13 5391
CameraFront-facing camera
Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
  • Integrated Widescreen HD (720p) Webcam
Audio
  • Dolby Atmos® Speaker System with Soundbar and integrated subwoofer with Smart AMP technology for gaming.
  • Dual-array microphones
  • 2 x tuned speakers, audio processing by Waves MaxxAudio® Pro
  • 1 x combo headphone/microphone jack
  • Dual Digital Microphone Array

Misc

Lenovo Legion Y740 17”Dell Inspiron 13 5391
Sensors-
  • Fingerprint reader sensor (Optional)
Security
  • Chassis Kensington® Wedge security lock
Fingerprint Reader with Windows Hello (Optional)
In the box
  • Legion Y740 17"
  • 230W AC Adapter
  • 4 Cell Li-Polymer, 76Wh
  • Quick start guide
-
Warranty1 Year Depot or Carry-in-

Key Features

Lenovo Legion Y740 17”Dell Inspiron 13 5391
At Glance
Released in
2019
16:9 FHD
17.3”
1080p 144Hz
Weight
6.4 lb
2.90 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
Released in Late
2019
16:9 FHD
13.3”
1080p 60Hz
Weight
2.16 lb
0.98 kg
Up to
Intel Core i7-10510U
4C/8T, 1.80 → 4.90 GHz
Geekbench 5
957
Single Core
Geekbench 5
2,942
Multi-Core
With integrated
Intel® UHD Graphics
24 Execution Units, 300 → 1150 MHz
Configurable up to
8GB
2133 MHz LPDDR3
Dell Inspiron 13 5391 Ports
Nvidia GeForce
MX250
2GB GDDR5

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