Lenovo ThinkPad T14s Gen 1 (20T1) vs. Lenovo ThinkPad L15 Gen 4 (21H3)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad T14s Gen 1 (20T1)
Lenovo ThinkPad T14s Gen 1 (20T1)

Our Rating: 82 %

Side by side comparison and review of Lenovo ThinkPad T14s Gen 1 (20T1) and Lenovo ThinkPad L15 Gen 4 (21H3). 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 ThinkPad T14s Gen 1 (20T1) Review

Advantages and disadvantages of Lenovo ThinkPad T14s Gen 1 (20T1) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

impressive battery life

good security features

reliable performance

average display brightness

limited graphics power

noisy under load

higher price point

Lenovo ThinkPad L15 Gen 4 (21H3) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 4 (21H3) based on its technical characteristics, features, user experience, expert reviews and price level.

robust connectivity options

supports fast charging

dedicated nvidia gpu

upgradeable ram and storage

solid build quality

average battery capacity

basic 250-nit display

limited cpu performance

no fingerprint reader

Laptop Comparison and Tests

Difference between Lenovo ThinkPad T14s Gen 1 (20T1) and Lenovo ThinkPad L15 Gen 4 (21H3)
85 % - Design
72 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
83 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T14s Gen 1 (20T1) vs. Lenovo ThinkPad L15 Gen 4 (21H3) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 32.9 cm x 22.615 cm x 1.67 cm 36.02 cm x 23.7 cm x 1.993 cm
Weight 1.35 kg 1.77 kg
Case Material Magnesium alloy, carbon fibre reinforced plastic Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Black Thunder black
DISPLAY Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
Screen Size (Type) 14" - IPS 15.6" - IPS
Touchscreen Yes (10-point multi-touch) -
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 500 cd/m² 250 cd/m²
Colour Gamut 72% 45% NTSC
Privacy Technology ThinkPad Privacy Guard -
Features Anti-glare, 170° viewing angle Anti-glare
PROCESSOR Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 4.2 GHz 4.6 GHz
Number of Cores Quad-Core 10-core
Cache 6 MB 12 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
RAM 8 GB (provided memory is soldered) 16 GB (1 x 16 GB)
Max RAM Supported - 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 3200 MHz
Rated Speed 3200 MHz 3200 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 2
Empty Slots - 1
STORAGE Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2242 PCIe 3.0 x2 - Toshiba 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
Graphics Processor (GPU) Intel UHD Graphics 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
Camera Features IR camera, 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 T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller Intel Wi-Fi 6 AX 201 Intel Wi-Fi 6 AX 201 - M.2 Card
Network Interface - Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features Gigabit Ethernet via optional Ethernet (RJ-45) adapter Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation 4G 4G upgradable
Technology LTE Advanced -
Controller FIBOCOM L850-GL - M.2 Card -
BATTERY Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
Technology 3-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 57 Wh 57 Wh
Battery Life Up to 21 hours -
AC ADAPTER Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
Type Keyboard, TrackPoint, UltraNav Keyboard, TrackPoint, UltraNav
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
Lenovo Ethernet extension connector
Dock
USB 3.2 Gen 1
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 Yes (microSD) Yes (microSD)
SOFTWARE Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 11 Pro - English
MISCELLANEOUS Lenovo ThinkPad T14s Gen 1 (20T1) Lenovo ThinkPad L15 Gen 4 (21H3)
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 Gold -
TCO Certified TCO Certified Notebooks 8 -
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty - Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site - response time: next business day
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