In depth comparison and review of Lenovo ThinkPad T15g Gen 1 (20US) 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 T15g Gen 1 (20US) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful graphics capabilities
robust build quality
high-resolution display
advanced security features
good thermal management
heavy and bulky
expensive price point
average battery life
limited color accuracy
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 T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 37.54 cm x 25.23 cm x 3.145 cm | 36 cm x 23.5 cm x 1.99 cm |
| Weight | 2.74 kg | 1.8 kg |
| Case Material | Glass-fibre, glass-fibre reinforced plastic, polyphenylene sulfide | - |
| Colour | Black | Slate grey |
| DISPLAY | Lenovo ThinkPad T15g Gen 1 (20US) | 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 | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 72% NTSC | 45% NTSC |
| Features | Anti-glare, 160° viewing angle, 72% NTSC colour gamut | Anti-glare, NanoEdge display, IPS-level, 83% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| CPU | Intel Core i7 (10th Gen) 10850H / 2.7 GHz | Intel Core i3 (11th Gen) 1115G4 / 3 GHz |
|---|---|---|
| Max Turbo Speed | 5.1 GHz | 4.1 GHz |
| Number of Cores | 6-core | Dual-Core |
| Cache | 12 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel WM490 | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| RAM | 16 GB (1 x 16 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 128 GB | 16 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 2933 MHz | - |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 1 |
| Empty Slots | 3 | 1 |
| STORAGE | Lenovo ThinkPad T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - SK Hynix | 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|---|---|
| RAID Level | RAID 0, RAID 1 | - |
| AUDIO & VIDEO | Lenovo ThinkPad T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics | Intel UHD Graphics |
| Video Memory | 8 GB GDDR6 SDRAM | - |
| Video System Features | Max-Q design | - |
| Camera | Yes - 720p | Yes - VGA |
| Camera Features | Fixed focus, ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Speakers, microphone |
| Codec | Realtek ALC3286 | - |
| Compliant Standards | Dolby Atmos | - |
| COMMUNICATIONS | Lenovo ThinkPad T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 - M.2 Card | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| Technology | 6-cell Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 94 Wh | 37 Wh |
| Battery Life | Up to 16.4 hours | - |
| AC ADAPTER | Lenovo ThinkPad T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 230 Watt, 20 V | 45 Watt, 19 V, 2.37 A |
| INPUT | Lenovo ThinkPad T15g Gen 1 (20US) | 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 T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| Slots | 2 x M.2 Card (1 free) | 1 x Serial ATA (1 free) 1 x M.2 (PCI Express 3.0 x4) (0 free) |
|---|---|---|
| Interfaces | USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 HDMI Headphone/microphone combo jack LAN |
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 (SD Card) | - |
| SOFTWARE | Lenovo ThinkPad T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Home |
|---|---|---|
| Software Included | - | McAfee LiveSafe, MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad T15g Gen 1 (20US) | ASUS P1511CEA (EJI3X) |
|---|
| Included Accessories | Power adapter | Power adapter, USB-A to RJ45 gigabit ethernet adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint 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 |
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