Lenovo ThinkPad E15 Gen 4 (21ED) vs. LG gram 14Z90R

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and LG gram 14Z90R. Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

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

LG gram 14Z90R Review

Advantages and disadvantages of LG gram 14Z90R based on its technical characteristics, features, user experience, expert reviews and price level.

ultra-lightweight design

long-lasting battery

high-resolution display

robust processing power

fast ssd storage

higher price range

limited gaming performance

no dedicated gpu

fewer ports available

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E15 Gen 4 (21ED) and LG gram 14Z90R
85 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
85 % - Design
83 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 4 (21ED) vs. LG gram 14Z90R Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
Product Type Notebook Notebook
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 21.1 cm x 21.39 cm x 1.68 cm
Weight 1.78 kg 999 g
Case Material Aluminium (top), polycarbonate ABS (bottom) Polycarbonate ABS, magnesium alloy
Colour Black Obsidian black
DISPLAY Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
Screen Size (Type) 15.6" - IPS 14" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 300 cd/m² 350 cd/m²
Colour Gamut - 99% DCI-P3, 95% DCI-P3
Features Anti-glare, 170° viewing angle Anti-glare, 60 Hz refresh rate
PROCESSOR Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Core i7 (13th Gen) 1360P / 2.2 GHz
Max Turbo Speed 4.3 GHz 5 GHz
Number of Cores 6-core 12-core
Cache L3 - 16 MB 18 MB
Platform Technology - Intel Evo
Features Integrated memory controller -
MEMORY Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
RAM 8 GB (provided memory is soldered) 16 GB
Max RAM Supported 40 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 3200 MHz 6000 MHz
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 1 TB SSD M.2 2280 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
Graphics Processor (GPU) AMD Radeon Graphics Intel Iris Xe Graphics
Max Monitors Supported 2 external monitor(s) -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - Full HD
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Face recognition, IR camera
Sound Stereo speakers, dual array microphone Stereo speakers, two microphones
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio Dolby Atmos
Audio Features Harman-branded Output: Smart Amp
COMMUNICATIONS Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
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 -
Network Interface Gigabit Ethernet -
Ethernet Controller Realtek RTL8111H-CG -
Features Wake-on-LAN (WOL), dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
Technology Lithium polymer -
Battery Capacity (Size) 57 Wh 80 Wh
Battery Life Up to 16.5 hours Up to 28.5 hours
AC ADAPTER Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
Input AC 100-240 V (50/60 Hz) -
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
Type Keyboard, TrackPoint, UltraNav Touchpad, 101 keys keyboard
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Precision touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
Slots 2 x M.2 Card (1 free) 2 x SSD (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
Headphone/microphone combo jack (mini-phone 3.5 mm)
2 x USB 3.2 Gen 2x1 (supports DisplayPort)
2 x USB4 Gen 3x2 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
HDMI
Memory Card Reader - Yes (microSD)
SOFTWARE Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
Operating System (OS) Windows 11 Pro - English Windows 11 Home
Software Included - Microsoft 365 (30 days trial), McAfee LiveSafe (30 days trial), LG On Screen Display 3, Alexa, Intel Connectivity Performance Suite, PCmover Professional, LG PC Manuals, LG Update & Recovery, LG Glance by Mirametrix, New Wallpaper, Intel Unison, Dolby Atmos sound, LG Lively Theme, LG Display Extension, LG Security Guard, Sync on Mobile, LG Smart Assistant 2.0
MISCELLANEOUS Lenovo ThinkPad E15 Gen 4 (21ED) LG gram 14Z90R
Included Accessories USB-C power adapter 65W USB-C power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader -
Security Slot Type Kensington security slot Kensington 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 LED indicator
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) MIL-STD 810H
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
Limited warranty - parts and labour - 1 year
Model Number - K.AA78A1
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