Side by side comparison and review of Lenovo ThinkPad T14s Gen 4 (21F9) and ASUS P1511CEA (EJI5X). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkPad T14s Gen 4 (21F9) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
powerful processor options
bright display
higher price point
limited graphics performance
no OLED option
heavier than competitors
Advantages and disadvantages of ASUS P1511CEA (EJI5X) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
efficient multitasking
adequate connectivity options
compact design
average display quality
modest battery life
limited graphics performance
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.75 cm x 22.69 cm x 1.69 cm | 36 cm x 23.5 cm x 1.99 cm |
| Weight | 1.26 kg | 1.8 kg |
| Case Material | Aluminium (bottom), carbon fibre hybrid (top) | - |
| Colour | Deep black | Slate grey |
| DISPLAY | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Anti-glare, on-cell touch technology | Anti-glare, NanoEdge display, IPS-level, 83% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| CPU | AMD Ryzen 5 Pro 7540U / 3.2 GHz | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 4.2 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | L3 - 16 MB | 8 MB |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | LPDDR5X SDRAM | DDR4 SDRAM |
| Speed | 6400 MHz | - |
| Rated Speed | 7500 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia | 256 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| Graphics Processor (GPU) | AMD Radeon 740M | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes | Yes - VGA |
| Resolution | 5 Megapixel | - |
| Camera Features | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection | - |
| Sound | Stereo speakers, dual array microphone | Speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Input: Dolby Voice, 360° far-field | - |
| COMMUNICATIONS | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Qualcomm NFA725A | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Single stream (1x1) |
| BATTERY | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| Technology | Lithium polymer | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 37 Wh |
| AC ADAPTER | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt, 19 V, 2.37 A |
| INPUT | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | 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 T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| 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 (Always On) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack LAN (on supplied adapter) |
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) |
| SOFTWARE | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence | Windows 11 Pro |
|---|---|---|
| Software Included | Glance by Mirametrix | McAfee LiveSafe, MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | Lenovo ThinkPad T14s Gen 4 (21F9) | ASUS P1511CEA (EJI5X) |
|---|
| Included Accessories | USB-C power adapter, Lenovo USB-C to Ethernet Adapter | Power adapter, USB-A to RJ45 gigabit ethernet adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader | Firmware Trusted Platform Module (TPM) solution |
| Security Slot Type | Kensington nano 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication | System password, anti-shock hard drive |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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