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Lenovo Legion Y740 15” vs. Dell Inspiron 13 5391: Full specs comparison

We thoroughly analyzed technical specifications for Lenovo Legion Y740 15” and Dell Inspiron 13 5391 models, including CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Lenovo Legion Y740 15” See at Amazon	Compare With Please enter device name or part of it Dell Inspiron 13 5391 See at Amazon

Lenovo Legion Y740 15” Pros

Reasons that Lenovo Legion Y740 15” is better than Dell Inspiron 13 5391.

Intel Core i7-9750H inside Lenovo Legion Y740 15” 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 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 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

Lenovo Legion Y740 15” 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 15”

32 GB

Dell Inspiron 13 5391

8 GB

Lenovo Legion Y740 15” 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 15” - DDR4

3,200 MHz

Dell Inspiron 13 5391 - LPDDR3

2,133 MHz

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 5391 since it has onboard memory.

Memory	Lenovo Legion Y740 15”	Dell Inspiron 13 5391
Slots	x2	Onboard
Type	DDR4	LPDDR3

Lenovo Legion Y740 15” has a 15.6-inch screen size 17% larger than the 13.3-inch Dell Inspiron 13 5391.

Display size

Lenovo Legion Y740 15”

15.6-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 15”.

Dell Inspiron 13 5391 weighed 2.16 pounds, 56% lighter than the 4.85 pounds Lenovo Legion Y740 15”.

Weight	Lenovo Legion Y740 15”	Dell Inspiron 13 5391
Pound	4.85 lbs.	2.16 lbs.
Kilogram	2.20 kg	0.98 kg

Prices

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

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 By Lenovo $2,499.00	See at Amazon
	New Gneuine Replacement LCD Back Cover for Lenovo Legion Y740-15 Series with Antenna Cables 5CB0S16417 By Comp XP $189.95	See at Amazon
	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	See at Amazon
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 By Dell $789.99 $1,099.99 28% OFF	See at Amazon
	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	See at Amazon
	Dell Inspiron 13 2-in-1 7391-13.3" FHD Touch - 10th gen i5-10210U - 8GB - 512GB SSD By Dell $699.00	See at Amazon

Availability	Lenovo Legion Y740 15”	Dell Inspiron 13 5391
Released	2019	2019
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
Pricing	Starting at $1,749.99	Starting at $579.99 (non-WWAN) Starting at $729.99 (WWAN)

Exterior	Lenovo Legion Y740 15”	Dell Inspiron 13 5391
Dimensions	14.2” x 10.5” x 0.88” / 361.42 x 267 x 22.45 (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)
Weight	Starting at 4.85 lbs (2.2 kg)	Non-WWAN Models 2.16 lb (1.18 kg) WWAN Models 2.65 lb (1.20 kg)
Colors	Iron 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. 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 15”	Dell Inspiron 13 5391
Size	15.6 Inches	13.3 Inches
Info	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™.	13.3-inch FHD (1920 x 1080) TrueLife LED Backlight Non-touch Narrow Border Wide Viewing Angle Display

Ports	Lenovo Legion Y740 15”	Dell Inspiron 13 5391
1 x USB 3.1 Gen 2 Type-C with Intel Thunderbolt 3 (DisplayPort, Data transfer) 1 x USB 3.1 Gen 2 2 x USB 3.1 Gen 1 1 x Mini DisplayPort ™ 1.4 1 x HDMI™ 2.0 1 x RJ45 Ethernet 1 x Kensington® Wedge Lock slot 1 x 3.5mm microphone/headphone combo 1 x NOVO hole	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 15”	Dell Inspiron 13 5391
Processor	8th Gen Intel® Core™ i5-8300H 4 cores, 8 threads, 2.30 → 4.00 GHz, 8MB SmartCache, 45W 8th Gen Intel® Core™ i7-8750H 6 cores, 12 threads, 2.20 → 4.10 GHz, 9MB SmartCache, 45W 9th Gen Intel® Core™ i7-9750H 6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W	10th Gen Intel® Core™ i3-10110U 2 cores, 4 threads, 2.10 → 4.10 GHz, 4MB SmartCache, 15W 10th Gen Intel® Core™ i5-10210U 4 cores, 8 threads, 1.60 → 4.20 GHz, 6MB SmartCache, 15W 10th Gen Intel® Core™ i7-10510U 4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
Integrated Graphics	8th Gen Intel® Core™ i5-8300H Intel® UHD Graphics 630 24 Execution Units, 350 → 1000 MHz 8th Gen Intel® Core™ i7-8750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1100 MHz 9th Gen Intel® Core™ i7-9750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz	10th Gen Intel® Core™ i3-10110U Intel® UHD Graphics 23 Execution Units, 300 → 1000 MHz 10th Gen Intel® Core™ i5-10210U Intel® UHD Graphics 24 Execution Units, 300 → 1100 MHz 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 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	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 15”	Dell Inspiron 13 5391
Wi-Fi	Killer™ 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)
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	Lenovo Legion Y740 15”	Dell Inspiron 13 5391
Size	57 Wh (3 Cell Li-Polymer) 76 Wh (4 Cell Li-Polymer)	4-Cell Battery, 45 Whr (Integrated) 4-Cell Battery, 52 Whr (Integrated)
Battery Life	Up to 5 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 Supply	230W AC power adapter Lenovo proprietary charging port.	65 Watt AC Adapter

Software	Lenovo Legion Y740 15”	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 15”	Dell Inspiron 13 5391
Camera	Front-facing camera Bottom-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 15”	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 15" 230W AC Adapter 3 Cell Li-Polymer, 57Wh Quick start guide	-
Warranty	1 Year Depot or Carry-in	-

Key Features	Lenovo Legion Y740 15”	Dell Inspiron 13 5391
At Glance	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	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 Nvidia GeForce MX250 2GB GDDR5