Lenovo ThinkPad E15 Gen 4 (21ED) vs. ASUS P1511CEA (EJI3X)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and ASUS P1511CEA (EJI3X). 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

ASUS P1511CEA (EJI3X) Review

Advantages and disadvantages of ASUS P1511CEA (EJI3X) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

solid build quality

decent battery life

fast SSD storage

average display quality

limited graphics performance

no backlit keyboard

fewer USB ports

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E15 Gen 4 (21ED) and ASUS P1511CEA (EJI3X)
85 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
73 % - Design
65 % - Display
72 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 4 (21ED) vs. ASUS P1511CEA (EJI3X) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 36 cm x 23.5 cm x 1.99 cm
Weight 1.78 kg 1.8 kg
Case Material Aluminium (top), polycarbonate ABS (bottom) -
Colour Black Slate grey
DISPLAY Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
Screen Size (Type) 15.6" - IPS 15.6"
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 250 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, NanoEdge display, IPS-level, 83% screen-to-body ratio
PROCESSOR Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Core i3 (11th Gen) 1115G4 / 3 GHz
Max Turbo Speed 4.3 GHz 4.1 GHz
Number of Cores 6-core Dual-Core
Cache L3 - 16 MB 6 MB
Features Integrated memory controller -
MEMORY Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
RAM 8 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported 40 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz -
Rated Speed 3200 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) ASUS P1511CEA (EJI3X)
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 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
Graphics Processor (GPU) AMD Radeon Graphics Intel UHD Graphics
Max Monitors Supported 2 external monitor(s) -
Camera Yes - 1080p Yes - VGA
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus -
Sound Stereo speakers, dual array microphone Speakers, microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features Harman-branded -
COMMUNICATIONS Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac, Bluetooth 5.1
Wireless Controller M.2 Card -
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Realtek RTL8111H-CG -
Features Wake-on-LAN (WOL), dual stream (2x2) Single stream (1x1)
BATTERY Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
Technology Lithium polymer 2-cell Lithium Ion
Battery Capacity (Size) 57 Wh 37 Wh
Battery Life Up to 16.5 hours -
AC ADAPTER Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 45 Watt, 19 V, 2.37 A
INPUT Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Chiclet keyboard, 1.4mm travel distance
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
Slots 2 x M.2 Card (1 free) 1 x Serial ATA (1 free)
1 x M.2 (PCI Express 3.0 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
LAN
Headphone/microphone combo jack
Headphone/microphone combo jack
2 x USB 2.0
USB 3.2 Gen 1
USB-C 3.2 Gen 1
HDMI 1.4
LAN (on supplied adapter)
SOFTWARE Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
Operating System (OS) Windows 11 Pro - English Windows 11 Home
Software Included - McAfee LiveSafe, MyASUS, Microsoft 365 (1 month trial)
MISCELLANEOUS Lenovo ThinkPad E15 Gen 4 (21ED) ASUS P1511CEA (EJI3X)
Included Accessories USB-C power adapter Power adapter, USB-A to RJ45 gigabit ethernet adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM) solution
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 System password, anti-shock hard drive
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) -
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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