Lenovo IdeaPad S145-14API (81UV) vs. Lenovo ThinkPad E14 Gen 5 (21JK)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo IdeaPad S145-14API (81UV) and Lenovo ThinkPad E14 Gen 5 (21JK). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Lenovo IdeaPad S145-14API (81UV) Review

Advantages and disadvantages of Lenovo IdeaPad S145-14API (81UV) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

decent processor speed

sufficient connectivity options

quiet operation

average display quality

limited battery life

basic graphics capabilities

no backlit keyboard

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 S145-14API (81UV) and Lenovo ThinkPad E14 Gen 5 (21JK)
69 % - Design
65 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery
82 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S145-14API (81UV) vs. Lenovo ThinkPad E14 Gen 5 (21JK) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 32.71 cm x 24.1 cm x 1.99 cm 31.3 cm x 21.93 cm x 1.799 cm
Weight 1.6 kg 1.53 kg
Case Material Polycarbonate ABS Aluminium (top), aluminium (bottom)
Colour Granite black Graphite black
DISPLAY Lenovo IdeaPad S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
Screen Size (Type) 14" - TN 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1366 x 768 (HD) 1920 x 1200 (WUXGA)
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 Anti-glare
PROCESSOR Lenovo IdeaPad S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
CPU AMD Athlon 300U / 2.4 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 3.3 GHz 4.6 GHz
Number of Cores Dual-Core 10-core
Cache L3 - 4 MB 12 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
RAM 4 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported 12 GB 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 SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 1
STORAGE Lenovo IdeaPad S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
Graphics Processor (GPU) AMD Radeon Vega 3 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 Yes - 1080p
Resolution 0.3 Megapixel -
Camera Features - Privacy shutter, Windows Hello, fixed focus, hybrid IR camera
Sound Stereo speakers, 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 S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/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 Single stream (1x1) Wake-on-LAN (WOL), dual stream (2x2)
BATTERY Lenovo IdeaPad S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
Technology Lithium Ion Lithium polymer
Battery Capacity (Size) 30 Wh 57 Wh
Battery Life Up to 4 hours -
AC ADAPTER Lenovo IdeaPad S145-14API (81UV) 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 S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Keyboard Backlight - Yes
Features Multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
Slots - 1 x M.2 (PCI Express 3.0 x4) (1 free)
Interfaces USB 2.0
2 x USB 3.1 Gen 1
HDMI
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
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad S145-14API (81UV) Lenovo ThinkPad E14 Gen 5 (21JK)
Operating System (OS) Windows 10 Home in S mode - English Windows 11 Pro - English
Software Included Microsoft Office (30 days trial) Intel Connectivity Performance Suite
MISCELLANEOUS Lenovo IdeaPad S145-14API (81UV) 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 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
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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