Lenovo ThinkPad L440 vs. Acer Extensa 15 (EX215-51)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad L440 and Acer Extensa 15 (EX215-51). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

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

Acer Extensa 15 (EX215-51) Review

Advantages and disadvantages of Acer Extensa 15 (EX215-51) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

decent battery life

adequate performance

lightweight design

average display quality

limited storage capacity

no backlit keyboard

basic graphics capabilities

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L440 and Acer Extensa 15 (EX215-51)
73 % - Design
64 % - Display
45 % - Performance
75 % - Connectivity
76 % - Battery
72 % - Design
63 % - Display
65 % - Performance
73 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L440 vs. Acer Extensa 15 (EX215-51) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Product Type Notebook Notebook
Dimensions (WxDxH) 34.4 cm x 23.9 cm x 3.425 cm 36.34 cm x 25.05 cm x 1.99 cm
Weight 2.25 kg 1.9 kg
Case Material Polycarbonate ABS -
Colour - Shale black
DISPLAY Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Screen Size (Type) 14" 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1366 x 768 (HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 220 cd/m²
Features Anti-glare Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display
PROCESSOR Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
CPU Intel Core i5 (4th Gen) 4200U / 1.6 GHz Intel Core i3 (10th Gen) 10110U / 2.1 GHz
Max Turbo Speed 2.6 GHz 4.1 GHz
Number of Cores Dual-Core Dual-Core
Cache 3 MB 4 MB
64-bit Computing Yes Yes
Features Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 Intel Turbo Boost Technology 2.0
MEMORY Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
RAM 4 GB 4 GB (4 GB (soldered))
Max RAM Supported 16 GB 12 GB
RAM Type DDR3 SDRAM DDR4 SDRAM
Form Factor SO-DIMM 204-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots - 1
STORAGE Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Main Storage Size (HDD/SSD) 120 GB SSD 128 GB SSD - Kingston
AUDIO & VIDEO Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Graphics Processor (GPU) Intel HD Graphics 4400 Intel UHD Graphics
Memory Allocation Technology - Shared Video Memory (UMA)
Camera Yes Yes - HD
Camera Features Face tracking -
Sound Stereo speakers, stereo microphone Stereo speakers, two microphones
Codec Realtek ALC3232 -
Compliant Standards High Definition Audio, Dolby Advanced Audio v2 -
COMMUNICATIONS Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Wireless Bluetooth 4.0, Wi-Fi Bluetooth, 802.11a/b/g/n/ac
Network Interface Gigabit Ethernet Gigabit Ethernet
Features - Wake-on-LAN (WOL)
WWAN
Generation 3G/4G upgradable -
BATTERY Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Technology Lithium Ion Lithium Ion
Battery Capacity (Size) - 48 Wh
AC ADAPTER Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output - 45 Watt, 19 V
INPUT Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Type Keyboard, touchpad, TrackPoint Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Interfaces USB 3.0
3 x USB 2.0
VGA
Mini DisplayPort
LAN
Headphone/microphone combo jack
Dock
HDMI
USB 3.1 Gen 1
2 x USB 2.0
LAN
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Operating System (OS) Windows 10 Home Windows 10 Home 64-bit Edition in S mode
MISCELLANEOUS Lenovo ThinkPad L440 Acer Extensa 15 (EX215-51)
Dockable Yes -
Included Accessories Power adapter Power adapter, HDD kit
Security Trusted Platform Module (TPM 1.2) Security Chip -
Security Slot Type Kensington security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features - MU-MIMO technology
Compliant Standards ISO 9001, ISO 14001, RoHS, ISO 27001 -
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Manufacturer Warranty Limited warranty - 2 years - pick-up and return Limited warranty - 1 year - carry-in
International travellers warranty - 1 year
Model Number - 39SK
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