Lenovo ThinkPad E14 Gen 4 (21EB) vs. Lenovo ThinkBook 14 G4+ IAP (21CX)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad E14 Gen 4 (21EB) and Lenovo ThinkBook 14 G4+ IAP (21CX). 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 E14 Gen 4 (21EB) Review

Advantages and disadvantages of Lenovo ThinkPad E14 Gen 4 (21EB) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

efficient performance

comfortable keyboard

good value pricing

decent battery life

average display quality

limited graphics power

no thunderbolt support

heavier design

Lenovo ThinkBook 14 G4+ IAP (21CX) Review

Advantages and disadvantages of Lenovo ThinkBook 14 G4+ IAP (21CX) based on its technical characteristics, features, user experience, expert reviews and price level.

robust aluminum design

efficient thermal management

sharp full hd display

modern connectivity options

fast ssd storage

average battery life

no dedicated gpu

limited color accuracy

higher price segment

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E14 Gen 4 (21EB) and Lenovo ThinkBook 14 G4+ IAP (21CX)
85 % - Design
72 % - Display
78 % - Performance
85 % - Connectivity
74 % - Battery
85 % - Design
75 % - Display
71 % - Performance
85 % - Connectivity
76 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E14 Gen 4 (21EB) vs. Lenovo ThinkBook 14 G4+ IAP (21CX) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.4 cm x 22.07 cm x 1.79 cm 31.2 cm x 22.4 cm x 1.65 cm
Weight 1.64 kg 1.4 kg
Case Material Aluminum Aluminium (top), aluminium (bottom)
Colour Black Dual tone arctic grey
DISPLAY Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Screen Size (Type) 14" - IPS 14" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare
PROCESSOR Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 4.3 GHz 4.4 GHz
Number of Cores 6-core 10-core
Cache L3 - 16 MB 12 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
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 4800 MHz
Rated Speed 3200 MHz 4800 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Graphics Processor (GPU) AMD Radeon Graphics Intel Iris Xe Graphics
Max Monitors Supported 2 external monitor(s) 3 external monitor(s)
Camera Yes - 1080p Yes - 1080p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, fixed focus
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/kardon stereo speakers -
COMMUNICATIONS Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller M.2 Card M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111H-CG -
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 57 Wh 46.5 Wh
Battery Life Up to 21 hours -
AC ADAPTER Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 100 Watt
INPUT Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
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 E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Slots - 1 x M.2 (PCI Express 3.0 x4) (1 free)
1 x M.2 (PCI Express 4.0 x4) (0 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
Headphone/microphone combo jack
LAN
USB 2.0 (hidden)
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
HDMI
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)
LAN
Headphone/microphone combo jack
Memory Card Reader - 3 in 1 (SD Card, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Operating System (OS) Windows 11 Pro - English Windows 11 Pro - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad E14 Gen 4 (21EB) Lenovo ThinkBook 14 G4+ IAP (21CX)
Included Accessories USB-C power adapter USB-C slim wall mount 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, RapidCharge, 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 RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified Yes Yes
EPEAT Compliant EPEAT Gold 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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