Lenovo ThinkPad E15 Gen 4 (21ED) vs. Lenovo ThinkBook 14-IML (20RV)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and Lenovo ThinkBook 14-IML (20RV). 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 14-IML (20RV) Review

Advantages and disadvantages of Lenovo ThinkBook 14-IML (20RV) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

efficient performance

affordable price point

adequate connectivity options

solid keyboard feel

average display quality

moderate battery life

limited graphics power

no thunderbolt support

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E15 Gen 4 (21ED) and Lenovo ThinkBook 14-IML (20RV)
85 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
82 % - Design
72 % - Display
75 % - Performance
78 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 4 (21ED) vs. Lenovo ThinkBook 14-IML (20RV) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 32.6 cm x 23 cm x 1.79 cm
Weight 1.78 kg 1.5 kg
Case Material Aluminium (top), polycarbonate ABS (bottom) Aluminum
Colour Black Mineral grey
DISPLAY Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
Screen Size (Type) 15.6" - IPS 14"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 250 cd/m²
Features Anti-glare, 170° viewing angle Anti-glare
PROCESSOR Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Core i5 (10th Gen) 10210U / 1.6 GHz
Max Turbo Speed 4.3 GHz 4.2 GHz
Number of Cores 6-core Quad-Core
Cache L3 - 16 MB 6 MB
64-bit Computing - Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
RAM 8 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported 40 GB 24 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 2666 MHz
Rated Speed 3200 MHz 2666 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 1
STORAGE Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
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 2280 PCIe - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
Graphics Processor (GPU) AMD Radeon Graphics Intel UHD Graphics
Max Monitors Supported 2 external monitor(s) -
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Fixed focus, ThinkShutter camera privacy
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 -
COMMUNICATIONS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac, Bluetooth 5.0
Wireless Controller M.2 Card M.2 Card
Network Interface Gigabit Ethernet 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) Lenovo ThinkBook 14-IML (20RV)
Technology Lithium polymer Lithium Ion
Battery Capacity (Size) 57 Wh 45 Wh
Battery Life Up to 16.5 hours Up to 9 hours
AC ADAPTER Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Spill-resistant, multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
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
USB 2.0
USB 3.1 Gen 1 (Always On)
USB 3.1 Gen 1
USB-C 3.1 Gen 1
USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
LAN
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
Operating System (OS) Windows 11 Pro - English Windows 10 Home 64-bit Edition - English
Software Included - Microsoft Office (30 days trial)
MISCELLANEOUS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo ThinkBook 14-IML (20RV)
Included Accessories USB-C power adapter 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 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, RapidCharge, MIL-STD-810G tested
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) RoHS, Energy-Related Products (ErP) Lot 3
SAR Value - 0.49 W/kg (body), 0.49 W/kg (limb)
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 - 1 year - pick-up and return
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