In depth comparison and review of ASUS ZenBook 15 (A513EA) and Lenovo ThinkPad X13 Gen 4 (21EX). 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 ZenBook 15 (A513EA) based on its technical characteristics, features, user experience, expert reviews and price level.
compact and lightweight
vivid full-hd display
solid build quality
fast ssd storage
efficient multitasking capabilities
average battery life
no dedicated gpu
limited port selection
higher price point
Advantages and disadvantages of Lenovo ThinkPad X13 Gen 4 (21EX) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive security features
good battery life
portable design
average display brightness
limited graphics performance
noisy under load
higher price point
DESIGN AND DIMENSIONS | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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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 | 30.17 cm x 21.48 cm x 1.595 cm |
Weight | 1.8 kg | 1.09 kg |
Case Material | - | Aluminium (bottom), carbon fibre hybrid (top) |
Colour | Bespoke black | Deep black |
DISPLAY | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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Screen Size (Type) | 15.6" | 13.3" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 250 cd/m² | 300 cd/m² |
Colour Gamut | 45% NTSC | 100% sRGB |
Features | Anti-glare, NanoEdge display, IPS-level | Anti-glare |
PROCESSOR | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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CPU | Intel Core i3 (11th Gen) 1115G4 / 3 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
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Max Turbo Speed | 4.1 GHz | 4.6 GHz |
Number of Cores | Dual-Core | 10-core |
Cache | - | 12 MB |
Platform Technology | - | Intel Evo |
Features | - | Integrated memory controller |
MEMORY | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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RAM | 8 GB | 16 GB (provided memory is soldered) |
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RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
Speed | - | 4800 MHz |
Rated Speed | - | 6400 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 1 | - |
STORAGE | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - 720p | Yes - 1080p |
Camera Features | - | Privacy shutter, fixed focus |
Sound | Speaker, microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | - | High Definition Audio, Dolby Audio |
Audio Features | ASUS Bang & Olufsen ICEpower | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | - | Intel Wi-Fi 6E AX 211 |
Features | Dual stream (2x2) | Dual stream (2x2) |
WWAN |
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Generation | - | 4G upgradable |
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BATTERY | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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Technology | 3-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 42 Wh | 54.7 Wh |
AC ADAPTER | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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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 | 65 Watt |
INPUT | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
Features | Chiclet keyboard, 1.4mm travel distance | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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Interfaces | USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 HDMI Headphone output |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0) HDMI 2.1 (4K support) Headphone/microphone combo jack |
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Memory Card Reader | Yes (microSD) | - |
SOFTWARE | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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Operating System (OS) | Windows 10 Home | Windows 11 Pro - English |
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Software Included | - | Glance by Mirametrix, Intel Connectivity Performance Suite |
MISCELLANEOUS | ASUS ZenBook 15 (A513EA) | Lenovo ThinkPad X13 Gen 4 (21EX) |
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Included Accessories | Power adapter | USB-C slim 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 nano security slot |
Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
Features | System password, ASUS Intelligent Performance Technology (AIPT) | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
Compliant Standards | TUV Rheinland Low Blue Light (Software Solution) | RoHS, Energy-using Products (EuP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
ENERGY STAR Certified | Yes | - |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Manufacturer Warranty | - | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 1 year - on-site - response time: next business day |
Model Number | BQ1355T | - |