In depth comparison and review of Lenovo ThinkPad T15p Gen 3 (21DA) and ASUS X515JA (EJ3921W). 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.
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
Advantages and disadvantages of ASUS X515JA (EJ3921W) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
lightweight design
adequate performance
good connectivity options
average battery life
modest display resolution
limited upgrade options
integrated graphics only
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T15p Gen 3 (21DA) | ASUS X515JA (EJ3921W) |
|---|
| 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) | Plastic |
| Colour | Black | Slate grey |
| DISPLAY | Lenovo ThinkPad T15p Gen 3 (21DA) | ASUS X515JA (EJ3921W) |
|---|
| 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 | 200 cd/m² |
| Colour Gamut | 45% NTSC | 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 (EJ3921W) |
|---|
| 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 (EJ3921W) |
|---|
| RAM | 16 GB (1 x 16 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 64 GB | 16 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 | 1 |
| STORAGE | Lenovo ThinkPad T15p Gen 3 (21DA) | ASUS X515JA (EJ3921W) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Value | 512 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 (EJ3921W) |
|---|
| 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 | Speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium, Dolby Voice | - |
| Audio Features | - | Output: ASUS SonicMaster |
| COMMUNICATIONS | Lenovo ThinkPad T15p Gen 3 (21DA) | ASUS X515JA (EJ3921W) |
|---|
| 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 (EJ3921W) |
|---|
| Technology | Lithium polymer | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 68 Wh | 37 Wh |
| AC ADAPTER | Lenovo ThinkPad T15p Gen 3 (21DA) | ASUS X515JA (EJ3921W) |
|---|
| 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 (EJ3921W) |
|---|
| 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 (EJ3921W) |
|---|
| 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 |
Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 HDMI USB-C 3.2 Gen 1 |
| Memory Card Reader | Yes (SD Card) | - |
| SOFTWARE | Lenovo ThinkPad T15p Gen 3 (21DA) | ASUS X515JA (EJ3921W) |
|---|
| 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 (EJ3921W) |
|---|
| 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) 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, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password | System password |
| Compliant Standards | RoHS, TCG Certified | - |
| 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 - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
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