Lenovo IdeaPad S540-13API (81XC) vs. Lenovo ThinkPad E14 Gen 5 (21JK)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo IdeaPad S540-13API (81XC) and Lenovo ThinkPad E14 Gen 5 (21JK). 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 IdeaPad S540-13API (81XC) Review

Advantages and disadvantages of Lenovo IdeaPad S540-13API (81XC) based on its technical characteristics, features, user experience, expert reviews and price level.

slim, lightweight design

sharp, vibrant display

fast processing speed

good battery life

quiet operation

limited port selection

no optical drive

average graphics performance

higher price point

Lenovo ThinkPad E14 Gen 5 (21JK) Review

Advantages and disadvantages of Lenovo ThinkPad E14 Gen 5 (21JK) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

efficient performance

comfortable keyboard

good battery life

affordable price

average display quality

limited graphics power

no thunderbolt support

modest storage options

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S540-13API (81XC) and Lenovo ThinkPad E14 Gen 5 (21JK)
81 % - Design
85 % - Display
72 % - Performance
78 % - Connectivity
75 % - Battery
82 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S540-13API (81XC) vs. Lenovo ThinkPad E14 Gen 5 (21JK) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 29.69 cm x 20.86 cm x 1.595 cm 31.3 cm x 21.93 cm x 1.799 cm
Weight 1.25 kg 1.53 kg
Case Material Aluminum, glass Aluminium (top), aluminium (bottom)
Colour Light silver Graphite black
DISPLAY Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Screen Size (Type) 13.3" - IPS 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 2560 x 1600 (WQHD) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 100% sRGB, 72% NTSC 45% NTSC
Features Glossy, 72% NTSC colour gamut Anti-glare
PROCESSOR Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
CPU AMD Ryzen 7 3750H / 2.3 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 4 GHz 4.6 GHz
Number of Cores Quad-Core 10-core
Cache L3 - 4 MB 12 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
RAM 8 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported - 40 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2400 MHz 3200 MHz
Rated Speed 2400 MHz 3200 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Graphics Processor (GPU) AMD Radeon RX Vega 10 Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - 1080p
Resolution 1 Megapixel -
Camera Features IR camera, fixed focus, ToF sensor Privacy shutter, Windows Hello, fixed focus, hybrid IR camera
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec - Synaptic CX11880
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Atmos
Audio Features - Input: Dolby Voice
COMMUNICATIONS Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller M.2 Card M.2 Card
Network Interface - Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
BATTERY Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Technology Lithium Ion Lithium polymer
Battery Capacity (Size) 56 Wh 57 Wh
Battery Life Up to 14.7 hours -
AC ADAPTER Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Slots - 1 x M.2 (PCI Express 3.0 x4) (1 free)
Interfaces USB 3.1 Gen 1 (Always On)
2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
Headphone/microphone combo jack
USB 2.0
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
Headphone/microphone combo jack
SOFTWARE Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 11 Pro - English
Software Included Microsoft Office (30 days trial) Intel Connectivity Performance Suite
MISCELLANEOUS Lenovo IdeaPad S540-13API (81XC) Lenovo ThinkPad E14 Gen 5 (21JK)
Included Accessories Power adapter USB-C power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type - Kensington nano security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password, RapidCharge Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, Energy-Related Products (ErP) Lot 6, FSC, TCG Certified, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Software Solution), TCO Certified 9.0
SAR Value 0.599 W/kg (body), 0.599 W/kg (limb) -
Specific Absorption Rate (SAR) 0.599 W/kg (body)
0.599 W/kg (limb)
-
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - 1 year - pick-up and return
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