Lenovo ThinkPad T14 Gen 4 (21K3) vs. Lenovo ThinkPad E14 Gen 5 (21JK)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad T14 Gen 4 (21K3) and Lenovo ThinkPad E14 Gen 5 (21JK). 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.

Lenovo ThinkPad T14 Gen 4 (21K3) Review

Advantages and disadvantages of Lenovo ThinkPad T14 Gen 4 (21K3) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

powerful processor options

good battery life

impressive security features

heavier than competitors

average display brightness

limited color options

pricey base model

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 ThinkPad T14 Gen 4 (21K3) and Lenovo ThinkPad E14 Gen 5 (21JK)
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
82 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T14 Gen 4 (21K3) vs. Lenovo ThinkPad E14 Gen 5 (21JK) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 31.77 cm x 22.69 cm x 1.79 cm 31.3 cm x 21.93 cm x 1.799 cm
Weight 1.39 kg 1.53 kg
Case Material Carbon fibre hybrid (top), polyphenylene sulfide (bottom) Aluminium (top), aluminium (bottom)
Colour Thunder black Graphite black
DISPLAY Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Screen Size (Type) 14" - IPS 14" - IPS
Screen Resolution 1920 x 1200 (WUXGA) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare Anti-glare
PROCESSOR Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
CPU AMD Ryzen 5 Pro 7540U / 3.2 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 4.9 GHz 4.6 GHz
Number of Cores 6-core 10-core
Cache L3 - 16 MB 12 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
RAM 16 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported - 40 GB
RAM Type LPDDR5X SDRAM DDR4 SDRAM
Speed 6400 MHz 3200 MHz
Rated Speed 6400 MHz 3200 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Graphics Processor (GPU) AMD Radeon 740M Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 1080p
Camera Features Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera, Ultrasonic Human Presence Detection Privacy shutter, Windows Hello, fixed focus, hybrid IR camera
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3287 Synaptic CX11880
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Atmos
Audio Features Input: Dolby Voice, 360° far-field Input: Dolby Voice
COMMUNICATIONS Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller MediaTek RZ616 M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111EPV Intel I219-V
Compliant Standards DASH -
Features Wake-on-LAN (WOL), dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 52.5 Wh 57 Wh
AC ADAPTER Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Type Keyboard, TrackPoint, UltraNav Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Slots - 1 x M.2 (PCI Express 3.0 x4) (1 free)
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
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 ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Operating System (OS) Windows 11 Pro - English Windows 11 Pro - English
Software Included Glance by Mirametrix Intel Connectivity Performance Suite
MISCELLANEOUS Lenovo ThinkPad T14 Gen 4 (21K3) Lenovo ThinkPad E14 Gen 5 (21JK)
Included Accessories USB-C power adapter USB-C power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader, smart card reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Kensington nano 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 Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 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 35 °C
Min Operating Temperature 5 °C 5 °C
Humidity Range Operating 8 - 95% 8 - 95%
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
Extended warranty - 1 year - on-site - response time: next business day
Limited warranty - 1 year - pick-up and return
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