Lenovo ThinkPad L15 Gen 4 (21H3) vs. Lenovo ThinkPad T14s Gen 4 (21F9)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad L15 Gen 4 (21H3) and Lenovo ThinkPad T14s Gen 4 (21F9). 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 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

Lenovo ThinkPad T14s Gen 4 (21F9) Review

Advantages and disadvantages of Lenovo ThinkPad T14s Gen 4 (21F9) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

impressive battery life

powerful processor options

bright display

higher price point

limited graphics performance

no OLED option

heavier than competitors

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 4 (21H3) and Lenovo ThinkPad T14s Gen 4 (21F9)
83 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 4 (21H3) vs. Lenovo ThinkPad T14s Gen 4 (21F9) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.02 cm x 23.7 cm x 1.993 cm 31.75 cm x 22.69 cm x 1.69 cm
Weight 1.77 kg 1.26 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) Aluminium (bottom), carbon fibre hybrid (top)
Colour Thunder black Deep black
DISPLAY Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
Screen Size (Type) 15.6" - IPS 14" - IPS
Touchscreen - Yes (10-point multi-touch)
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. 60 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare Anti-glare, on-cell touch technology
PROCESSOR Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
CPU Intel Core i5 (13th Gen) 1335U / 1.3 GHz AMD Ryzen 5 Pro 7540U / 3.2 GHz
Max Turbo Speed 4.6 GHz 4.9 GHz
Number of Cores 10-core 6-core
Cache 12 MB L3 - 16 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
RAM 16 GB (1 x 16 GB) 16 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM LPDDR5X SDRAM
Speed 3200 MHz 6400 MHz
Rated Speed 3200 MHz 7500 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon 740M
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
Resolution - 5 Megapixel
Camera Features Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection
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 Input: Dolby Voice, 360° far-field
COMMUNICATIONS Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
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 201 - M.2 Card Qualcomm NFA725A
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Intel I219-V -
Features Wake-on-LAN (WOL), dual stream (2x2) -
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 57 Wh 57 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
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 L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
Interfaces 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
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
Headphone/microphone combo jack
LAN (on supplied adapter)
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
Operating System (OS) Windows 11 Pro - English Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
Software Included - Glance by Mirametrix
MISCELLANEOUS Lenovo ThinkPad L15 Gen 4 (21H3) Lenovo ThinkPad T14s Gen 4 (21F9)
Included Accessories USB-C power adapter USB-C power adapter, Lenovo USB-C to Ethernet 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 with Microsoft Pluton, 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, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
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, TCG Certified, Energy-Related Products (ErP) Lot 26, 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 - 1 year - pick-up and return
Extended warranty - 1 year - on-site - response time: next business day
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