In depth comparison and review of Lenovo ThinkPad T15 Gen 1 (20S7) 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.
Advantages and disadvantages of Lenovo ThinkPad T15 Gen 1 (20S7) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good security features
reliable performance
solid battery life
heavier than competitors
average display brightness
limited graphics power
higher price point
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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T15 Gen 1 (20S7) | ASUS P1511CEA (EJI3X) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.58 cm x 24.8 cm x 1.91 cm | 36 cm x 23.5 cm x 1.99 cm |
| Weight | 1.81 kg | 1.8 kg |
| Case Material | Polycarbonate ABS, glass-fibre, magnesium alloy, polyphenylene sulfide, polyamide, Talc15 | - |
| Colour | Black | Slate grey |
| DISPLAY | Lenovo ThinkPad T15 Gen 1 (20S7) | 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 | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% | 45% NTSC |
| Features | Anti-glare, 170° viewing angle | Anti-glare, NanoEdge display, IPS-level, 83% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad T15 Gen 1 (20S7) | ASUS P1511CEA (EJI3X) |
|---|
| CPU | Intel Core i5 (10th Gen) 10210U / 1.6 GHz | Intel Core i3 (11th Gen) 1115G4 / 3 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.1 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | 6 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad T15 Gen 1 (20S7) | 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 | 2666 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 T15 Gen 1 (20S7) | ASUS P1511CEA (EJI3X) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) - Samsung | 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T15 Gen 1 (20S7) | ASUS P1511CEA (EJI3X) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - VGA |
| Camera Features | ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| COMMUNICATIONS | Lenovo ThinkPad T15 Gen 1 (20S7) | ASUS P1511CEA (EJI3X) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad T15 Gen 1 (20S7) | ASUS P1511CEA (EJI3X) |
|---|
| Technology | 3-cell lithium polymer | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 37 Wh |
| Battery Life | Up to 15.26 hours | - |
| AC ADAPTER | Lenovo ThinkPad T15 Gen 1 (20S7) | ASUS P1511CEA (EJI3X) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt, 19 V, 2.37 A |
| INPUT | Lenovo ThinkPad T15 Gen 1 (20S7) | 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 T15 Gen 1 (20S7) | ASUS P1511CEA (EJI3X) |
|---|
| Slots | - | 1 x Serial ATA (1 free) 1 x M.2 (PCI Express 3.0 x4) (0 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack LAN Dock |
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) |
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad T15 Gen 1 (20S7) | ASUS P1511CEA (EJI3X) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 11 Home |
|---|---|---|
| Software Included | - | McAfee LiveSafe, MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad T15 Gen 1 (20S7) | ASUS P1511CEA (EJI3X) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter, USB-A to RJ45 gigabit ethernet adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, 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, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | System password, anti-shock hard drive |
| Compliant Standards | RoHS | - |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |