ASUS 15 (X515JA) vs. Lenovo ThinkPad T14 Gen 4 (21HD)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS 15 (X515JA) and Lenovo ThinkPad T14 Gen 4 (21HD). 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.

ASUS 15 (X515JA) Review

Advantages and disadvantages of ASUS 15 (X515JA) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

solid build quality

adequate performance

good connectivity options

average battery life

basic display quality

limited storage capacity

no dedicated graphics

Lenovo ThinkPad T14 Gen 4 (21HD) Review

Advantages and disadvantages of Lenovo ThinkPad T14 Gen 4 (21HD) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

impressive security features

good battery life

efficient performance

heavier than competitors

average display brightness

limited color options

higher price point

Laptop Comparison and Tests

Difference between ASUS 15 (X515JA) and Lenovo ThinkPad T14 Gen 4 (21HD)
76 % - Design
75 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery
82 % - Design
85 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS 15 (X515JA) vs. Lenovo ThinkPad T14 Gen 4 (21HD) Comparison Chart
DESIGN AND DIMENSIONS ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.9 cm x 23.5 cm x 1.99 cm 31.77 cm x 22.69 cm x 1.79 cm
Weight 1.8 kg 1.36 kg
Case Material Plastic Carbon fibre hybrid (top), polyphenylene sulfide (bottom)
Colour Silver | Slate grey Thunder black
DISPLAY ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Screen Size (Type) 15.6" 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 250 cd/m² 300 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare Anti-glare
PROCESSOR ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
CPU Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 3.4 GHz 4.6 GHz
Number of Cores Dual-Core 10-core
Cache 4 MB 12 MB
Features Intel Turbo Boost Technology 2.0, Intel Smart Cache Integrated memory controller
MEMORY ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
RAM 8 GB (1 x 4 GB + 4 GB (soldered)) 16 GB (provided memory is soldered)
Max RAM Supported - 32 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed - 5200 MHz
Rated Speed - 5200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 1 1
Empty Slots 0 1
STORAGE ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - HD Yes - 1080p
Camera Features - Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
Sound Speaker, microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards - High Definition Audio, Dolby Audio
Audio Features ASUS SonicMaster Input: Dolby Voice, 360° far-field
COMMUNICATIONS ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Intel Wi-Fi 6E AX 211
Network Interface - Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Technology 3-cell Lithium polymer
Battery Capacity (Size) 37 Wh 52.5 Wh
Battery Life Up to 7.7 hours -
AC ADAPTER ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 19 V, 3.42 A 65 Watt
INPUT ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features Chiclet keyboard Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Slots 1 x M.2 (PCI Express 3.0 x2) (0 free) -
Interfaces Headphone/microphone combo jack
USB 3.2 Gen 1
USB-C 3.2 Gen 1
2 x USB 2.0
HDMI
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
Headphone/microphone combo jack
SOFTWARE ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Operating System (OS) Windows 11 Home Windows 11 Pro - English
Software Included - Glance by Mirametrix
MISCELLANEOUS ASUS 15 (X515JA) Lenovo ThinkPad T14 Gen 4 (21HD)
Included Accessories Power adapter USB-C power adapter
Security Firmware Trusted Platform Module (TPM) Security Chip Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card 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 System password Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
Repairability Index 6.1 (out of 10) -
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty International warranty - 1 year Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 1 year - on-site - response time: next business day
Model Number EJ2133W -
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