Lenovo ThinkPad E15 Gen 4 (21ED) vs. Lenovo ThinkPad X1 Nano Gen 2 (21E9)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and Lenovo ThinkPad X1 Nano Gen 2 (21E9). 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 E15 Gen 4 (21ED) Review

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

robust build quality

efficient performance

comfortable keyboard

good security features

affordable price

average display quality

limited graphics power

moderate battery life

noisy under load

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 E15 Gen 4 (21ED) and Lenovo ThinkPad X1 Nano Gen 2 (21E9)
85 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
81 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 4 (21ED) vs. Lenovo ThinkPad X1 Nano Gen 2 (21E9) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 29.33 cm x 20.81 cm x 1.48 cm
Weight 1.78 kg 991.5 g
Case Material Aluminium (top), polycarbonate ABS (bottom) Carbon fibre (top), magnesium alloy (bottom)
Colour Black Black weave
DISPLAY Lenovo ThinkPad E15 Gen 4 (21ED) 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 300 cd/m² 450 cd/m²
Colour Gamut - 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 E15 Gen 4 (21ED) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Core i7 (12th Gen) 1270P / 2.2 GHz
Max Turbo Speed 4.3 GHz 4.8 GHz
Number of Cores 6-core 12-core
Cache L3 - 16 MB 18 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
RAM 8 GB (provided memory is soldered) 16 GB (provided memory is soldered)
Max RAM Supported 40 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 1 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
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 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Graphics Processor (GPU) AMD Radeon Graphics Intel Iris Xe Graphics
Max Monitors Supported 2 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
Audio Features Harman-branded -
COMMUNICATIONS Lenovo ThinkPad E15 Gen 4 (21ED) 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 M.2 Card Intel Wi-Fi 6E AX 211
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111H-CG -
Features Wake-on-LAN (WOL), dual stream (2x2) -
BATTERY Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Technology Lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 57 Wh 49.5 Wh
Battery Life Up to 16.5 hours -
AC ADAPTER Lenovo ThinkPad E15 Gen 4 (21ED) 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 65 Watt
INPUT Lenovo ThinkPad E15 Gen 4 (21ED) 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 E15 Gen 4 (21ED) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
Slots 2 x M.2 Card (1 free) -
Interfaces USB 2.0
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0)
HDMI
LAN
Headphone/microphone combo jack
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
LAN (on supplied adapter)
Headphone/microphone combo jack
SOFTWARE Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkPad X1 Nano Gen 2 (21E9)
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
MISCELLANEOUS Lenovo ThinkPad E15 Gen 4 (21ED) 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 security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, power-on password, 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, TUV Rheinland Low Blue Light (Software Solution) 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%
Manufacturer Warranty Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
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