Lenovo ThinkPad T15p Gen 3 (21DA) vs. ASUS X515JA (EJ3358W)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad T15p Gen 3 (21DA) and ASUS X515JA (EJ3358W). 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 T15p Gen 3 (21DA) Review

Advantages and disadvantages of Lenovo ThinkPad T15p Gen 3 (21DA) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

powerful processor performance

comfortable keyboard design

ample connectivity options

efficient thermal management

heavier than competitors

average battery life

limited display brightness

premium price point

ASUS X515JA (EJ3358W) Review

Advantages and disadvantages of ASUS X515JA (EJ3358W) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price point

lightweight design

solid build quality

adequate performance

good connectivity options

average battery life

modest display quality

limited graphics power

no backlit keyboard

Laptop Comparison and Tests

Difference between Lenovo ThinkPad T15p Gen 3 (21DA) and ASUS X515JA (EJ3358W)
82 % - Design
78 % - Display
85 % - Performance
85 % - Connectivity
76 % - Battery
76 % - Design
72 % - Display
72 % - Performance
75 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T15p Gen 3 (21DA) vs. ASUS X515JA (EJ3358W) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.65 cm x 25 cm x 2.27 cm 36.02 cm x 23.49 cm x 1.99 cm
Weight 2.226 kg 1.8 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) -
Colour Black Transparent silver
DISPLAY Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
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)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 220 cd/m²
Colour Gamut 45% NTSC -
Features Anti-glare, 170° viewing angle, DC dimming Anti-glare, 83% screen-to-body ratio
PROCESSOR Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
CPU Intel Core i7 (12th Gen) 12700H / 2.3 GHz Intel Core i5 (10th Gen) 1035G1 / 1 GHz
Max Turbo Speed 4.7 GHz 3.6 GHz
Number of Cores 14-core Quad-Core
Cache 24 MB 6 MB
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
RAM 16 GB (1 x 16 GB) 8 GB
Max RAM Supported 64 GB -
RAM Type DDR5 SDRAM - non-ECC DDR4 SDRAM
Speed 4800 MHz -
Rated Speed 4800 MHz -
Form Factor SO-DIMM 262-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 1 -
STORAGE Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Value 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
RAID Level RAID 0, RAID 1 -
AUDIO & VIDEO Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 3050 / Intel Iris Xe Graphics Intel UHD Graphics
Max Monitors Supported 2 external monitor(s) -
Video Memory 4 GB GDDR6 SDRAM -
Camera Yes - 720p Yes - VGA
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus -
Sound Stereo speakers, dual array microphone Stereo speakers, microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio Premium, Dolby Voice -
COMMUNICATIONS Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller Intel Wi-Fi 6E AX 211 -
Network Interface Gigabit Ethernet -
Ethernet Controller Intel I219-V -
Features Wake-on-LAN (WOL), dual stream (2x2) Single stream (1x1)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
Technology Lithium polymer 2-cell Lithium Ion
Battery Capacity (Size) 68 Wh 37 Wh
AC ADAPTER Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 135 Watt 45 Watt, 19 V, 2.37 A
INPUT Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
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 T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
Slots 2 x M.2 (PCI Express 4.0 x4) (1 free) -
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
LAN
USB 3.2 Gen 1
USB-C 3.2 Gen 1
2 x USB 2.0
HDMI
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card) -
SOFTWARE Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English Windows 11 Home in S mode
MISCELLANEOUS Lenovo ThinkPad T15p Gen 3 (21DA) ASUS X515JA (EJ3358W)
Included Accessories Power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Firmware Trusted Platform Module (TPM) Security Chip
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, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password System password
Compliant Standards RoHS, TCG Certified CTR 21, UL 1459, FCC Part 15 Class B, JIS C 0950, EU RoHS, EU REACH
ENERGY STAR Certified Yes Yes
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
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