In depth comparison and review of ASUS 15 (X515JA) and Lenovo ThinkPad T15p Gen 3 (21DA). 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 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
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
DESIGN AND DIMENSIONS | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.9 cm x 23.5 cm x 1.99 cm | 36.65 cm x 25 cm x 2.27 cm |
Weight | 1.8 kg | 2.226 kg |
Case Material | Plastic | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Silver | Slate grey | Black |
DISPLAY | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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Screen Size (Type) | 15.6" | 15.6" - IPS |
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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 | 250 cd/m² | 300 cd/m² |
Colour Gamut | 45% NTSC | 45% NTSC |
Features | Anti-glare | Anti-glare, 170° viewing angle, DC dimming |
PROCESSOR | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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CPU | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
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Max Turbo Speed | 3.4 GHz | 4.7 GHz |
Number of Cores | Dual-Core | 14-core |
Cache | 4 MB | 24 MB |
Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Integrated memory controller |
MEMORY | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 16 GB (1 x 16 GB) |
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Max RAM Supported | - | 64 GB |
RAM Type | DDR4 SDRAM | DDR5 SDRAM - non-ECC |
Speed | - | 4800 MHz |
Rated Speed | - | 4800 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
Slots Qty | 1 | 2 |
Empty Slots | 0 | 1 |
STORAGE | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Value |
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RAID Level | - | RAID 0, RAID 1 |
AUDIO & VIDEO | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce RTX 3050 / Intel Iris Xe Graphics |
Max Monitors Supported | - | 2 external monitor(s) |
Video Memory | - | 4 GB GDDR6 SDRAM |
Camera | Yes - HD | Yes - 720p |
Camera Features | - | Privacy shutter, IR camera, Windows Hello, fixed focus |
Sound | Speaker, microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | - | High Definition Audio, Dolby Audio Premium, Dolby Voice |
Audio Features | ASUS SonicMaster | - |
COMMUNICATIONS | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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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 |
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Generation | - | 4G upgradable |
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BATTERY | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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Technology | 3-cell | Lithium polymer |
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Battery Capacity (Size) | 37 Wh | 68 Wh |
Battery Life | Up to 7.7 hours | - |
AC ADAPTER | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt, 19 V, 3.42 A | 135 Watt |
INPUT | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | 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 T15p Gen 3 (21DA) |
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Slots | 1 x M.2 (PCI Express 3.0 x2) (0 free) | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
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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 USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN |
Memory Card Reader | - | Yes (SD Card) |
SOFTWARE | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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Operating System (OS) | Windows 11 Home | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English |
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MISCELLANEOUS | ASUS 15 (X515JA) | Lenovo ThinkPad T15p Gen 3 (21DA) |
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Included Accessories | Power adapter | Power adapter |
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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 security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | System password | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
Compliant Standards | - | RoHS, TCG Certified |
Repairability Index | 6.1 (out of 10) | - |
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 | International warranty - 1 year | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
Model Number | EJ2133W | - |