Side by side comparison and review of ASUS X515MA (EJ539W) and Lenovo ThinkPad T14s Gen 4 (21F9). 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 ASUS X515MA (EJ539W) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate connectivity options
efficient daily performance
average battery life
basic display quality
limited graphics performance
slower HDD storage
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
DESIGN AND DIMENSIONS | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 36.02 cm x 23.49 cm x 1.99 cm | 31.75 cm x 22.69 cm x 1.69 cm |
Weight | 1.8 kg | 1.26 kg |
Case Material | Plastic (top), plastic (bottom), plastic (LCD cover) | Aluminium (bottom), carbon fibre hybrid (top) |
Colour | Transparent silver (LCD cover), transparent silver (top), transparent silver (bottom) | Deep black |
DISPLAY | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Screen Size (Type) | 15.6" | 14" - IPS |
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Touchscreen | - | Yes (10-point multi-touch) |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
V-Sync Rate at Max Res. | 60 Hz | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 200 cd/m² | 300 cd/m² |
Colour Gamut | 45% NTSC | 45% NTSC |
Features | Anti-glare, 83% screen-to-body ratio | Anti-glare, on-cell touch technology |
PROCESSOR | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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CPU | Intel Celeron N4020 / 1.1 GHz | AMD Ryzen 5 Pro 7540U / 3.2 GHz |
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Max Turbo Speed | 2.8 GHz | 4.9 GHz |
Number of Cores | Dual-Core | 6-core |
Cache | 4 MB | L3 - 16 MB |
Features | - | Integrated memory controller |
MEMORY | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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RAM | 8 GB | 16 GB (provided memory is soldered) |
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RAM Type | DDR4 SDRAM | LPDDR5X SDRAM |
Speed | - | 6400 MHz |
Rated Speed | - | 7500 MHz |
Form Factor | SO-DIMM 260-pin | - |
STORAGE | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Main Storage Size (HDD/SSD) | 1 TB HDD SATA / 5400 rpm | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
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AUDIO & VIDEO | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Graphics Processor (GPU) | Intel UHD Graphics 600 | AMD Radeon 740M |
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Max Monitors Supported | - | 3 external monitor(s) |
Camera | Yes - VGA | Yes |
Resolution | - | 5 Megapixel |
Camera Features | - | Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection |
Sound | Speakers, microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | - | High Definition Audio, Dolby Audio |
Audio Features | Output: ASUS SonicMaster | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | - | Qualcomm NFA725A |
Network Interface | - | Gigabit Ethernet |
Features | Single stream (1x1) | - |
BATTERY | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Technology | 2-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 37 Wh | 57 Wh |
AC ADAPTER | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 33 Watt, 19 V, 1.75 A | 65 Watt |
INPUT | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Slots | 1 x M.2 (PCI Express 3.0 x2) (1 free) | - |
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Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 USB-C 3.2 Gen 1 HDMI 2 x USB 2.0 |
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) |
SOFTWARE | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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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 |
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Software Included | - | Glance by Mirametrix |
MISCELLANEOUS | ASUS X515MA (EJ539W) | Lenovo ThinkPad T14s Gen 4 (21F9) |
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Included Accessories | Power adapter, backpack, wired USB optical mouse | USB-C power adapter, Lenovo USB-C to Ethernet Adapter |
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Security | Firmware Trusted Platform Module (TPM) solution | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader |
Security Slot Type | Kensington security slot | Kensington nano security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | System password | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
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% |