Dell Inspiron 3582 vs. Lenovo ThinkPad T14s Gen 4 (21F9)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Dell Inspiron 3582 and Lenovo ThinkPad T14s Gen 4 (21F9). 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.

Dell Inspiron 3582 Review

Advantages and disadvantages of Dell Inspiron 3582 based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

decent battery life

includes optical drive

good basic performance

average display resolution

limited upgrade options

modest graphics power

heavier design

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 Inspiron 3582 and Lenovo ThinkPad T14s Gen 4 (21F9)
65 % - Design
66 % - Display
45 % - Performance
65 % - Connectivity
65 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Inspiron 3582 vs. Lenovo ThinkPad T14s Gen 4 (21F9) Comparison Chart
DESIGN AND DIMENSIONS Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 38 cm x 25.8 cm x 2 cm 31.75 cm x 22.69 cm x 1.69 cm
Weight 2 kg 1.26 kg
Case Material - Aluminium (bottom), carbon fibre hybrid (top)
Colour Ultra blue Deep black
DISPLAY Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
Screen Size (Type) 15.6" - TN 14" - IPS
Touchscreen - Yes (10-point multi-touch)
LCD Backlight Technology LED backlight -
Screen Resolution 1366 x 768 (HD) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. 60 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 220 cd/m² 300 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare, 25 ms response rate, 0.252 mm pixel pitch, ±40° horizontal viewing angle, +10/-30 vertical viewing angle Anti-glare, on-cell touch technology
PROCESSOR Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
CPU Intel Pentium Silver N5000 / 1.1 GHz AMD Ryzen 5 Pro 7540U / 3.2 GHz
Max Turbo Speed 2.7 GHz 4.9 GHz
Number of Cores Quad-Core 6-core
Cache 4 MB L3 - 16 MB
Features Intel Burst Technology Integrated memory controller
MEMORY Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
RAM 4 GB (1 x 4 GB) 16 GB (provided memory is soldered)
Max RAM Supported 8 GB -
RAM Type DDR4 SDRAM LPDDR5X SDRAM
Speed 2400 MHz 6400 MHz
Rated Speed 2400 MHz 7500 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2280 PCIe - Class 40 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
Graphics Processor (GPU) Intel UHD Graphics 605 AMD Radeon 740M
Max Monitors Supported - 3 external monitor(s)
Camera Yes - HD Yes
Resolution 0.92 Megapixel 5 Megapixel
Camera Features 78.6 degrees, RGB camera 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 ALC3204 Realtek ALC3287
Compliant Standards High Definition Audio High Definition Audio, Dolby Audio
Audio Features MaxxAudio Pro Input: Dolby Voice, 360° far-field
COMMUNICATIONS Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Qualcomm NFA725A
Network Interface - Gigabit Ethernet
BATTERY Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
Technology 3-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 42 Wh 57 Wh
AC ADAPTER Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 19.5 V, 2.31 A 65 Watt
INPUT Dell Inspiron 3582 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 Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
Interfaces 2 x USB 3.1 Gen 1
USB 2.0
HDMI
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) -
SOFTWARE Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
Operating System (OS) Windows 10 Home 64-bit Edition Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
Software Included Dell Mobile Connect Glance by Mirametrix
MISCELLANEOUS Dell Inspiron 3582 Lenovo ThinkPad T14s Gen 4 (21F9)
Included Accessories Power adapter USB-C power adapter, Lenovo USB-C to Ethernet Adapter
Security - 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 40 °C 35 °C
Min Operating Temperature 0 °C 5 °C
Humidity Range Operating 10 - 90% (non-condensing) 8 - 95%
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