Lenovo ThinkPad T14 Gen 2 (20XK) vs. Lenovo ThinkPad E15 Gen 4 (21E6)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad T14 Gen 2 (20XK) and Lenovo ThinkPad E15 Gen 4 (21E6). 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 ThinkPad T14 Gen 2 (20XK) Review

Advantages and disadvantages of Lenovo ThinkPad T14 Gen 2 (20XK) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard experience

impressive security features

solid processor performance

good battery life

heavier than competitors

average display brightness

limited color options

noisy under load

Lenovo ThinkPad E15 Gen 4 (21E6) Review

Advantages and disadvantages of Lenovo ThinkPad E15 Gen 4 (21E6) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

efficient performance

comfortable keyboard

good security features

reasonable price

average display quality

moderate battery life

limited graphics capability

no thunderbolt support

Laptop Comparison and Tests

Difference between Lenovo ThinkPad T14 Gen 2 (20XK) and Lenovo ThinkPad E15 Gen 4 (21E6)
85 % - Design
75 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery
85 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T14 Gen 2 (20XK) vs. Lenovo ThinkPad E15 Gen 4 (21E6) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T14 Gen 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.9 cm x 22.7 cm x 1.79 cm 36.5 cm x 24 cm x 1.89 cm
Weight 1.55 kg 1.7 kg
Case Material Glass-fibre (bottom), polyphenylene sulfide (top), polyamide (bottom), polycarbonate ABS (keyboard cover), magnesium alloy (keyboard cover), Talc15 (keyboard cover) Aluminium (top), polycarbonate ABS (bottom)
Colour Black Black
DISPLAY Lenovo ThinkPad T14 Gen 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
Screen Size (Type) 14" - IPS 15.6" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, 170° viewing angle
PROCESSOR Lenovo ThinkPad T14 Gen 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
CPU AMD Ryzen 5 Pro 5650U / 2.3 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 4.2 GHz 4.4 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 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
RAM 8 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported 40 GB 40 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 1
STORAGE Lenovo ThinkPad T14 Gen 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 - 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 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
Graphics Processor (GPU) AMD Radeon Graphics Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) 2 external monitor(s)
Camera Yes - 720p Yes - 1080p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, IR camera, Windows Hello, fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3287 Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
Audio Features - Harman-branded
COMMUNICATIONS Lenovo ThinkPad T14 Gen 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller Realtek RTL8852AE M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111H-CG Intel I219-V
Compliant Standards DASH -
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad T14 Gen 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 50 Wh 57 Wh
Battery Life Up to 16.9 hours Up to 15.6 hours
AC ADAPTER Lenovo ThinkPad T14 Gen 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
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 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
Type Keyboard, TrackPoint, UltraNav Keyboard, TrackPoint, UltraNav
Numeric Keypad - Yes
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 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
Slots 1 x Nano-SIM card (1 free) -
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI
LAN
Headphone/microphone combo jack
Dock
USB 2.0
USB 3.2 Gen 1 (Always On)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad T14 Gen 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 11 Pro - English
MISCELLANEOUS Lenovo ThinkPad T14 Gen 2 (20XK) Lenovo ThinkPad E15 Gen 4 (21E6)
Dockable Yes -
Included Accessories USB-C power adapter USB-C power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Kensington security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards RoHS, TCG Certified RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified Yes Yes
EPEAT Compliant EPEAT Gold EPEAT Gold
TCO Certified TCO Certified Notebooks 8 -
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 - 1 year - on-site
Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
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