Dell Vostro 3520 vs. Lenovo ThinkPad T14s Gen 4 (21F9)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Vostro 3520 and Lenovo ThinkPad T14s Gen 4 (21F9). 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 Vostro 3520 Review

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

affordable price

robust build quality

decent processor performance

good battery life

comfortable keyboard

average display quality

limited graphics capability

heavier design

fewer USB-C ports

Lenovo ThinkPad T14s Gen 4 (21F9) Review

Advantages and disadvantages of Lenovo ThinkPad T14s Gen 4 (21F9) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

impressive battery life

powerful processor options

bright display

higher price point

limited graphics performance

no OLED option

heavier than competitors

Laptop Comparison and Tests

Difference between Dell Vostro 3520 and Lenovo ThinkPad T14s Gen 4 (21F9)
75 % - Design
72 % - Display
72 % - Performance
75 % - Connectivity
75 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Vostro 3520 vs. Lenovo ThinkPad T14s Gen 4 (21F9) Comparison Chart
DESIGN AND DIMENSIONS Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.85 cm x 23.556 cm x 1.899 cm 31.75 cm x 22.69 cm x 1.69 cm
Weight 1.83 kg 1.26 kg
Case Material - Aluminium (bottom), carbon fibre hybrid (top)
Colour Carbon black Deep black
DISPLAY Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Screen Size (Type) 15.6" - IPS 14" - IPS
Touchscreen - Yes (10-point multi-touch)
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
Pixel Density (ppi) 140 -
V-Sync Rate at Max Res. 120 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio - 16:10
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, Narrow Border Display, 35 ms response rate, 0.17925 mm pixel pitch Anti-glare, on-cell touch technology
PROCESSOR Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
CPU Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz AMD Ryzen 5 Pro 7540U / 3.2 GHz
Max Turbo Speed 4.2 GHz 4.9 GHz
Number of Cores Quad-Core 6-core
Cache 8 MB L3 - 16 MB
Features Intel Smart Cache Integrated memory controller
MEMORY Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
RAM 8 GB (1 x 8 GB) 16 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM LPDDR5X SDRAM
Speed 3200 MHz 6400 MHz
Rated Speed 3200 MHz 7500 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon 740M
Max Monitors Supported - 3 external monitor(s)
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - HD Yes
Resolution 0.92 Megapixel 5 Megapixel
Camera Features 78.6 degrees Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection
Image Sensor Type CMOS -
Video Resolutions 1280 x 720 -
Frame Rate 30 frames per second -
Sound Stereo speakers, microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards High Definition Audio High Definition Audio, Dolby Audio
Audio Features - Input: Dolby Voice, 360° far-field
COMMUNICATIONS Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Wireless Bluetooth, 802.11a/b/g/n/ac Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 2230 Qualcomm NFA725A
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111H -
Features Single stream (1x1) -
BATTERY Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Technology 3-cell lithium polymer Lithium polymer
Battery Capacity (Size) 41 Wh 57 Wh
AC ADAPTER Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 19.5 V, 3.34 A 65 Watt
INPUT Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features - Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Interfaces HDMI
2 x USB 3.2 Gen 1
USB 2.0
LAN
Headphone/microphone combo jack
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
Headphone/microphone combo jack
LAN (on supplied adapter)
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) -
SOFTWARE Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Operating System (OS) Windows 11 Pro - Dutch / English / French / German / Italian Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
Software Included Microsoft Office (30 days trial, excludes office licence), McAfee Business Protection (1-year) Glance by Mirametrix
MISCELLANEOUS Dell Vostro 3520 Lenovo ThinkPad T14s Gen 4 (21F9)
Included Accessories Power adapter USB-C power adapter, Lenovo USB-C to Ethernet Adapter
Security Trusted Platform Module (TPM 2.0) Security Chip Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader
Security Slot Type Noble Wedge security slot Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features - Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 5 °C
Humidity Range Operating 10 - 90% (non-condensing) 8 - 95%
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