Dell Latitude 3520 vs. Lenovo ThinkPad X240 (20AM)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad X240 (20AM)
Lenovo ThinkPad X240 (20AM)

In depth comparison and review of Dell Latitude 3520 and Lenovo ThinkPad X240 (20AM). 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 Latitude 3520 Review

Advantages and disadvantages of Dell Latitude 3520 based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

comfortable keyboard

good battery life

decent performance

average display

limited graphics power

no thunderbolt support

heavier design

Laptop Comparison and Tests

Difference between Dell Latitude 3520 and Lenovo ThinkPad X240 (20AM)
76 % - Design
65 % - Display
72 % - Performance
78 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Dell Latitude 3520 vs. Lenovo ThinkPad X240 (20AM) Comparison Chart
DESIGN AND DIMENSIONS Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.1 cm x 24.095 cm x 1.806 cm 30.55 cm x 20.85 cm x 1.99 cm
Weight 1.79 kg 1.47 kg
Case Material - Glass-fibre reinforced plastic
Colour Grey -
DISPLAY Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Screen Size (Type) 15.6" 12.5"
LCD Backlight Technology - LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1366 x 768 (HD)
Pixel Density (ppi) 141 -
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² -
Colour Gamut 45% NTSC -
Features Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, 25 ms response rate, 0.179 mm pixel pitch Anti-glare
PROCESSOR Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
CPU Intel Core i7 (11th Gen) 1165G7 / 2.8 GHz Intel Core i3 (4th Gen) 4010U / 1.7 GHz
Max Turbo Speed 4.7 GHz -
Number of Cores Quad-Core Dual-Core
Cache 12 MB 3 MB
64-bit Computing - Yes
Features Intel Turbo Boost Technology 2.0, Intel Smart Cache Integrated memory controller
MEMORY Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
RAM 8 GB (1 x 8 GB) 2 GB (1 x 2 GB)
Max RAM Supported 32 GB 8 GB
RAM Type DDR4 SDRAM DDR3L SDRAM
Speed 3200 MHz 1600 MHz / PC3L-12800
Rated Speed 3200 MHz 1600 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 204-pin
Slots Qty 2 1
Empty Slots 1 0
STORAGE Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 500 GB HDD SATA 6Gb/s / 7200 rpm
AUDIO & VIDEO Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel HD Graphics 4400
Memory Allocation Technology Shared Video Memory (UMA) -
Camera Yes - HD Yes - 720p
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, two microphones
Codec Realtek ALC3204 Realtek ALC3232
Compliant Standards High Definition Audio High Definition Audio, Dolby Advanced Audio v2
COMMUNICATIONS Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11b/g/n, Bluetooth 4.0
Wireless Controller Intel Wi-Fi 6 AX 201 - M.2 2230 M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111H Intel I218-V
Features Dual stream (2x2) -
WWAN
Generation - WWAN
BATTERY Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Technology 4-cell 6-cell Lithium Ion
Battery Capacity (Size) 54 Wh 47 Wh
AC ADAPTER Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 45 Watt
INPUT Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight Yes -
Features - Spill-resistant, multi-touch touchpad
CONNECTIONS & EXPANSIONS Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Interfaces HDMI
USB-C 3.2 Gen 2x2 (Power Delivery)
USB 3.2 Gen 1 (PowerShare)
USB 3.2 Gen 1
USB 2.0
LAN
Headphone/microphone combo jack
2 x USB 3.0
VGA
Mini DisplayPort
LAN
Dock
Headphone/microphone combo jack
Memory Card Reader Yes (microSD, microSDHC, microSDXC) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Operating System (OS) Windows 10 Pro 64-bit Edition + Windows 11 Pro Licence Microsoft Windows 7 Professional 64-bit Edition - French
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Dell Latitude 3520 Lenovo ThinkPad X240 (20AM)
Dockable - Yes
Included Accessories Power adapter Power adapter
Security - Trusted Platform Module (TPM 1.2) Security Chip
Security Slot Type Noble Wedge security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features ExpressCharge Administrator password, hard drive password, power-on password, ThinkVantage Active Protection System, 1 USB 3.0 (Always On), MIL-STD-810G tested
Compliant Standards - RoHS, GREENGUARD
ENERGY STAR Certified - Yes
Max Operating Temperature 35 °C -
Min Operating Temperature 0 °C -
Humidity Range Operating 10 - 90% (non-condensing) -
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
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