Dell Latitude 5540 vs. Lenovo IdeaPad S145-15API (81UT)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Latitude 5540 and Lenovo IdeaPad S145-15API (81UT). 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 5540 Review

Advantages and disadvantages of Dell Latitude 5540 based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

efficient performance

excellent battery life

bright display

good connectivity options

heavier than competitors

basic audio quality

limited graphics performance

pricey base model

Lenovo IdeaPad S145-15API (81UT) Review

Advantages and disadvantages of Lenovo IdeaPad S145-15API (81UT) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

decent processor performance

sufficient connectivity options

simple user interface

average display quality

limited battery life

modest graphics capability

no backlight keyboard

Laptop Comparison and Tests

Difference between Dell Latitude 5540 and Lenovo IdeaPad S145-15API (81UT)
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
69 % - Design
63 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Dell Latitude 5540 vs. Lenovo IdeaPad S145-15API (81UT) Comparison Chart
DESIGN AND DIMENSIONS Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.78 cm x 23.33 cm x 2.28 cm 36.22 cm x 25.15 cm x 1.99 cm
Weight 1.613 kg 1.85 kg
Case Material - Polycarbonate ABS
Colour Grey Granite black IMR
DISPLAY Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Screen Size (Type) 15.6" - IPS 15.6" - TN
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
Image Brightness 250 cd/m² 220 cd/m²
Colour Gamut 45% NTSC -
Features Anti-glare, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.179 mm pixel pitch Anti-glare
PROCESSOR Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
CPU Intel Core i5 (13th Gen) 1335U / 1.3 GHz AMD Ryzen 3 3200U / 2.6 GHz
Max Turbo Speed 4.6 GHz 3.5 GHz
Number of Cores 10-core Dual-Core
Cache L3 - 12 MB L3 - 4 MB
64-bit Computing - Yes
Features - Integrated memory controller
MEMORY Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
RAM 8 GB (1 x 8 GB) 4 GB (provided memory is soldered)
Max RAM Supported 64 GB 12 GB
RAM Type DDR4 SDRAM - non-ECC DDR4 SDRAM
Speed 3200 MHz 2400 MHz
Rated Speed 3200 MHz 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 1 1
STORAGE Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2230 PCIe 4.0 x4 - NVM Express (NVMe), Class 35 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe)
AUDIO & VIDEO Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon Vega 3
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - 1920 x 1080 (standard), 640 x 360 (infrared) Yes
Resolution 2.07 Megapixel (standard), 0.23 Megapixel (infrared) 0.3 Megapixel
Camera Features Privacy shutter, IR/RGB camera, Temporal Noise Reduction, 80 degrees, 86.6 degrees (IR camera) -
Image Sensor Type CMOS -
Video Resolutions 1920 x 1080 -
Frame Rate 30 frames per second -
Sound Stereo speakers, dual array microphone Stereo speakers, microphone
Compliant Standards High Definition Audio High Definition Audio, Dolby Audio
Audio Features Output: MaxxAudio 12.0, Realtek Waves -
COMMUNICATIONS Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Wireless Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller Intel Wi-Fi 6E AX 211 - M.2 2230 M.2 Card
Network Interface Gigabit Ethernet -
Features Dual stream (2x2) Single stream (1x1)
BATTERY Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Technology 3-cell Lithium Ion Lithium Ion
Battery Capacity (Size) 54 Wh 30 Wh
Battery Life - Up to 4 hours
AC ADAPTER Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Input AC 100-200 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 15 / 20 V 65 Watt
INPUT Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features - Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Interfaces HDMI
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (PowerShare)
USB 3.2 Gen 1
LAN
Headphone/microphone combo jack
USB 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Memory Card Reader Yes (microSD, microSDHC, microSDXC) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Operating System (OS) Windows 11 Pro - Dutch / English / French / German / Italian Windows 10 Home in S mode - English
Software Included Microsoft Office (30 days trial, excludes office licence) Microsoft Office (30 days trial)
MISCELLANEOUS Dell Latitude 5540 Lenovo IdeaPad S145-15API (81UT)
Included Accessories USB-C power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Firmware Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type Noble Wedge security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features ExpressCharge, Dell ControlVault 3, ExpressChargeBoost Administrator password, hard drive password, power-on password
Compliant Standards FIPS 140-2, TCG Certified, TCO Certified 9.0 RoHS, Energy-Related Products (ErP) Lot 3
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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