Lenovo ThinkPad T14 Gen 1 (20UD) vs. Lenovo ThinkPad L15 Gen 4 (21H7)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad T14 Gen 1 (20UD) and Lenovo ThinkPad L15 Gen 4 (21H7). 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 1 (20UD) Review

Advantages and disadvantages of Lenovo ThinkPad T14 Gen 1 (20UD) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good battery life

reliable performance

adequate security features

average display quality

limited graphics power

heavier than competitors

noisy under load

Lenovo ThinkPad L15 Gen 4 (21H7) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 4 (21H7) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

good battery life

solid performance

adequate connectivity options

mediocre display quality

heavier than competitors

limited graphics performance

higher price point

Laptop Comparison and Tests

Difference between Lenovo ThinkPad T14 Gen 1 (20UD) and Lenovo ThinkPad L15 Gen 4 (21H7)
81 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
85 % - Battery
81 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T14 Gen 1 (20UD) vs. Lenovo ThinkPad L15 Gen 4 (21H7) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 32.9 cm x 22.7 cm x 1.79 cm 36.02 cm x 23.7 cm x 1.993 cm
Weight 1.55 kg 1.77 kg
Case Material Polycarbonate ABS, glass-fibre, magnesium alloy, polyphenylene sulfide, polyamide, Talc15 Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Black Thunder black
DISPLAY Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
Screen Size (Type) 14" - IPS 15.6" - IPS
LCD Backlight Technology 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 250 cd/m² 250 cd/m²
Colour Gamut 45% 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare
PROCESSOR Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
CPU AMD Ryzen 5 Pro 4650U / 2.1 GHz AMD Ryzen 5 Pro 7530U / 2 GHz
Max Turbo Speed 4 GHz 4.5 GHz
Number of Cores 6-core 6-core
Cache L3 - 8 MB L3 - 16 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
RAM 8 GB (provided memory is soldered) 8 GB (1 x 8 GB)
Max RAM Supported 32 GB 64 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 2
Empty Slots 1 1
STORAGE Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 3.0 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 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
Graphics Processor (GPU) AMD Radeon Graphics AMD Radeon Graphics
Max Monitors Supported - 3 external monitor(s)
Camera Yes - 720p Yes - 1080p
Camera Features IR camera, fixed focus, ThinkShutter camera privacy Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
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 - Input: Dolby Voice, far-field
COMMUNICATIONS Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6 AX 200 AMD RZ616 - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111EPV Realtek RTL8111EPV
Compliant Standards DASH DASH
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation WWAN upgradable 4G upgradable
BATTERY Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 50 Wh 57 Wh
Battery Life Up to 14 hours -
AC ADAPTER Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
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 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
HDMI
LAN
Headphone/microphone combo jack
Dock
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 11 Pro - English
MISCELLANEOUS Lenovo ThinkPad T14 Gen 1 (20UD) Lenovo ThinkPad L15 Gen 4 (21H7)
Dockable Yes -
Included Accessories USB-C power adapter USB-C power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader
Security Slot Type Kensington 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, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards RoHS RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Silver -
TCO Certified TCO Certified Notebooks 8 -
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 3 years - pick-up and return
Limited warranty - battery - 1 year
Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site - response time: next business day
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