Dell Inspiron 15 3510 vs. Lenovo ThinkPad L440

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Inspiron 15 3510 and Lenovo ThinkPad L440. Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Dell Inspiron 15 3510 Review

Advantages and disadvantages of Dell Inspiron 15 3510 based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

decent battery life

lightweight design

solid build quality

simple user interface

average display quality

limited performance capacity

minimal connectivity options

basic graphics capability

Lenovo ThinkPad L440 Review

Advantages and disadvantages of Lenovo ThinkPad L440 based on its technical characteristics, features, user experience, expert reviews and price level.

durable build quality

efficient keyboard layout

good battery life

solid security features

affordable price point

heavier design

average display quality

limited graphics performance

older model limitations

Laptop Comparison and Tests

Difference between Dell Inspiron 15 3510 and Lenovo ThinkPad L440
69 % - Design
63 % - Display
65 % - Performance
65 % - Connectivity
75 % - Battery
73 % - Design
64 % - Display
45 % - Performance
75 % - Connectivity
76 % - Battery

Laptop Specifications Comparison

Dell Inspiron 15 3510 vs. Lenovo ThinkPad L440 Comparison Chart
DESIGN AND DIMENSIONS Dell Inspiron 15 3510 Lenovo ThinkPad L440
Product Type Notebook Notebook
Dimensions (WxDxH) 35.85 cm x 23.556 cm x 1.89 cm 34.4 cm x 23.9 cm x 3.425 cm
Weight 1.65 kg 2.25 kg
Case Material - Polycarbonate ABS
Colour Platinum silver -
DISPLAY Dell Inspiron 15 3510 Lenovo ThinkPad L440
Screen Size (Type) 15.6" - TN 14"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1366 x 768 (HD) 1366 x 768 (HD)
Pixel Density (ppi) 100 -
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio - 16:9
Image Brightness 220 cd/m² -
Colour Gamut 45% NTSC -
Features Anti-glare, 25 ms response rate, Narrow Border Display, 0.252 mm pixel pitch, ±40° horizontal viewing angle, +10/-30 vertical viewing angle Anti-glare
PROCESSOR Dell Inspiron 15 3510 Lenovo ThinkPad L440
CPU Intel Celeron N4020 / 1.1 GHz Intel Core i5 (4th Gen) 4200U / 1.6 GHz
Max Turbo Speed 2.8 GHz 2.6 GHz
Number of Cores Dual-Core Dual-Core
Cache 4 MB 3 MB
64-bit Computing - Yes
Features Intel Burst Technology Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0
MEMORY Dell Inspiron 15 3510 Lenovo ThinkPad L440
RAM 4 GB (1 x 4 GB) 4 GB
Max RAM Supported 8 GB 16 GB
RAM Type DDR4 SDRAM DDR3 SDRAM
Speed 2400 MHz -
Rated Speed 2400 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 204-pin
Slots Qty 1 2
Empty Slots 0 -
STORAGE Dell Inspiron 15 3510 Lenovo ThinkPad L440
Main Storage Size (HDD/SSD) 128 GB SSD M.2 PCIe 2.0 x4 - NVM Express (NVMe) 120 GB SSD
AUDIO & VIDEO Dell Inspiron 15 3510 Lenovo ThinkPad L440
Graphics Processor (GPU) Intel UHD Graphics 600 Intel HD Graphics 4400
Camera Yes - HD Yes
Resolution 0.92 Megapixel -
Camera Features 78.6 degrees, RGB camera Face tracking
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, microphone Stereo speakers, stereo microphone
Codec Realtek ALC3204 Realtek ALC3232
Compliant Standards High Definition Audio High Definition Audio, Dolby Advanced Audio v2
COMMUNICATIONS Dell Inspiron 15 3510 Lenovo ThinkPad L440
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 Bluetooth 4.0, Wi-Fi
Wireless Controller Intel Wireless-AC 9462 - M.2 2230 -
Network Interface - Gigabit Ethernet
Features Single stream (1x1) -
WWAN
Generation - 3G/4G upgradable
BATTERY Dell Inspiron 15 3510 Lenovo ThinkPad L440
Technology 3-cell lithium polymer Lithium Ion
Battery Capacity (Size) 41 Wh -
AC ADAPTER Dell Inspiron 15 3510 Lenovo ThinkPad L440
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt, 19.5 V, 3.34 A -
INPUT Dell Inspiron 15 3510 Lenovo ThinkPad L440
Type Keyboard, touchpad Keyboard, touchpad, TrackPoint
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features - Spill-resistant, multi-touch touchpad
CONNECTIONS & EXPANSIONS Dell Inspiron 15 3510 Lenovo ThinkPad L440
Interfaces HDMI
2 x USB 3.2 Gen 1
USB 2.0
Headphone/microphone combo jack
USB 3.0
3 x USB 2.0
VGA
Mini DisplayPort
LAN
Headphone/microphone combo jack
Dock
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Dell Inspiron 15 3510 Lenovo ThinkPad L440
Operating System (OS) Windows 11 Home Windows 10 Home
Software Included McAfee LiveSafe (12 months subscription), Microsoft Office (30 days trial, excludes office licence) -
MISCELLANEOUS Dell Inspiron 15 3510 Lenovo ThinkPad L440
Dockable - Yes
Included Accessories Power adapter Power adapter
Security - Trusted Platform Module (TPM 1.2) Security Chip
Security Slot Type - Kensington security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Compliant Standards - ISO 9001, ISO 14001, RoHS, ISO 27001
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Gold
Max Operating Temperature 40 °C -
Min Operating Temperature 0 °C -
Humidity Range Operating 10 - 90% (non-condensing) -
Manufacturer Warranty - Limited warranty - 2 years - pick-up and return
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