Lenovo ThinkPad L15 Gen 3 (21C4) vs. Lenovo ThinkPad X1 Nano Gen 2 (21E9)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad L15 Gen 3 (21C4) and Lenovo ThinkPad X1 Nano Gen 2 (21E9). 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 L15 Gen 3 (21C4) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C4) 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 port selection

average display brightness

heavier than competitors

limited graphics performance

no thunderbolt support

Lenovo ThinkPad X1 Nano Gen 2 (21E9) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Nano Gen 2 (21E9) based on its technical characteristics, features, user experience, expert reviews and price level.

ultra-lightweight design

impressive battery life

robust security features

sharp display quality

powerful intel processor

limited port selection

higher price point

no touchscreen option

average speaker quality

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 3 (21C4) and Lenovo ThinkPad X1 Nano Gen 2 (21E9)
85 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery
81 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 3 (21C4) vs. Lenovo ThinkPad X1 Nano Gen 2 (21E9) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
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 29.33 cm x 20.81 cm x 1.48 cm
Weight 1.76 kg 991.5 g
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) Carbon fibre (top), magnesium alloy (bottom)
Colour Thunder black Black weave
DISPLAY Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Screen Size (Type) 15.6" - IPS 13" - IPS
Touchscreen - Yes (10-point multi-touch)
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 2160 x 1350 (2K)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 450 cd/m²
Colour Gamut 45% NTSC 100% sRGB
Features Anti-glare, 170° viewing angle Anti-glare, anti-reflective, anti-smudge, 170° viewing angle, Low Power, Add-on Film Touch
PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel Core i7 (12th Gen) 1270P / 2.2 GHz
Max Turbo Speed 4.4 GHz 4.8 GHz
Number of Cores 10-core 12-core
Cache 12 MB 18 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
RAM 16 GB (1 x 16 GB) 16 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 3200 MHz 5200 MHz
Rated Speed 3200 MHz 6400 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) 2 external monitor(s)
Camera Yes - 1080p Yes - 1080p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
Sound Stereo speakers, dual array microphone Stereo speakers, two tweeters, two woofers, four microphones
Codec Realtek ALC3287 Realtek ALC3306
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Atmos, Dolby Voice
COMMUNICATIONS Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6 AX 201 Intel Wi-Fi 6E AX 211
Network Interface Gigabit Ethernet Gigabit Ethernet
BATTERY Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Technology 3-cell lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 57 Wh 49.5 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 15 / 20 V 65 Watt
INPUT Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
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, glass touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
LAN (on supplied adapter)
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
MISCELLANEOUS Lenovo ThinkPad L15 Gen 3 (21C4) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Included Accessories USB-C power adapter Lenovo USB-C to Ethernet Adapter, USB-C slim power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Kensington nano security slot -
Theft/Intrusion Protection 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, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, TCG Certified
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 5 °C
Humidity Range Operating 8 - 95% 8 - 95%
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