Lenovo ThinkPad E15 Gen 4 (21ED) vs. Lenovo ThinkBook 16 G6 IRL (21KH)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and Lenovo ThinkBook 16 G6 IRL (21KH). 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 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 ThinkBook 16 G6 IRL (21KH) Review

Advantages and disadvantages of Lenovo ThinkBook 16 G6 IRL (21KH) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful intel processor

high-resolution display

solid build quality

good battery life

fast ssd storage

heavier than competitors

limited color options

noisy under load

expensive base model

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E15 Gen 4 (21ED) and Lenovo ThinkBook 16 G6 IRL (21KH)
85 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
85 % - Design
86 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 4 (21ED) vs. Lenovo ThinkBook 16 G6 IRL (21KH) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 35.6 cm x 25.35 cm x 1.75 cm
Weight 1.78 kg 1.7 kg
Case Material Aluminium (top), polycarbonate ABS (bottom) Aluminium (top), polycarbonate ABS (bottom)
Colour Black Dual tone arctic grey
DISPLAY Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
Screen Size (Type) 15.6" - IPS 16" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, Low Blue Light technology
PROCESSOR Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 4.3 GHz 4.6 GHz
Number of Cores 6-core 10-core
Cache L3 - 16 MB 12 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
RAM 8 GB (provided memory is soldered) 8 GB (1 x 8 GB)
Max RAM Supported 40 GB 64 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 3200 MHz 5200 MHz
Rated Speed 3200 MHz 5200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 1 2
Empty Slots 1 1
STORAGE Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
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 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
Graphics Processor (GPU) AMD Radeon Graphics Intel Iris Xe Graphics
Max Monitors Supported 2 external monitor(s) 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
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, dual array microphone
Codec Realtek ALC3287 Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
Audio Features Harman-branded Input: noise-cancellation technology
COMMUNICATIONS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller M.2 Card M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111H-CG Intel I219-V
Features Wake-on-LAN (WOL), dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
BATTERY Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 57 Wh 45 Wh
Battery Life Up to 16.5 hours -
AC ADAPTER Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
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 ThinkBook 16 G6 IRL (21KH)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
Slots 2 x M.2 Card (1 free) 2 x M.2 (PCI Express 4.0 x4) (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
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 - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
Operating System (OS) Windows 11 Pro - English Windows 11 Pro - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 16 G6 IRL (21KH)
Included Accessories USB-C power adapter USB-C power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint 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, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
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
Limited warranty - 1 year - pick-up and return
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