Side by side comparison and review of ASUS VivoBook 15 (X1504ZA) and Lenovo ThinkPad Z16 Gen 1 (21D5). 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 VivoBook 15 (X1504ZA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
decent battery life
fast charging support
average display quality
limited graphics performance
no backlit keyboard
fewer USB ports
Advantages and disadvantages of Lenovo ThinkPad Z16 Gen 1 (21D5) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful AMD processor
high-resolution display
good battery life
heavier than competitors
expensive base model
limited color options
noisy under load
| DESIGN AND DIMENSIONS | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.97 cm x 23.25 cm x 1.79 cm | 35.44 cm x 23.74 cm x 1.58 cm |
| Weight | 1.7 kg | 1.94 kg |
| Case Material | Plastic | Aluminium (top), aluminium (bottom) |
| Colour | Cool silver | Black (bottom), arctic grey (top) |
| DISPLAY | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Screen Size (Type) | 15.6" | 16" OLED |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2400 (WQUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 250 cd/m² | 500 cd/m² |
| Colour Gamut | 45% NTSC | 100% DCI-P3 |
| Features | Anti-glare | Anti-reflective, One Glass Solution, anti-smudge, Low Blue Light technology, Dolby Vision, 175° viewing angle, 92.3% screen-to-body ratio |
| PROCESSOR | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| CPU | Intel Core i7 (12th Gen) 1255U / 1.7 GHz | AMD Ryzen 7 Pro 6850H / 3.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 4.7 GHz |
| Number of Cores | 10-core | 8-core |
| Cache | L3 - 12 MB | L3 - 16 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| RAM | 8 GB (provided memory is soldered) | 32 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | - | 6400 MHz |
| Rated Speed | - | 6400 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Western Digital |
|---|
| AUDIO & VIDEO | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon 680M |
|---|---|---|
| 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, ASUS 3D Noise Reduction (3DNR) Technology | Windows Hello, fixed focus, e-camera shutter, hybrid FHD/IR camera |
| Sound | Dual speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3306 |
| Compliant Standards | - | High Definition Audio, Dolby Atmos |
| Audio Features | Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster; Input: AI noise cancelling | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | Qualcomm NFA725A |
| Features | Single stream (1x1) | - |
| BATTERY | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 72 Wh |
| AC ADAPTER | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 135 Watt, 5 / 9 / 15 / 20 V |
| INPUT | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Precision touchpad, chiclet keyboard, 1.4mm travel distance | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Interfaces | 2 x USB 3.2 Gen 1 USB-C 3.2 Gen 1 USB 2.0 HDMI 1.4 |
USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (SD Card, SDXC UHS-II Card) |
| SOFTWARE | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 11 Pro |
|---|---|---|
| Software Included | MyASUS, ScreenXpert, Microsoft 365 (1 month trial), GlideX | - |
| MISCELLANEOUS | ASUS VivoBook 15 (X1504ZA) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
|---|
| Included Accessories | Power adapter | USB-C slim power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | MIL-STD-810H tested, BIOS protection, ASUS Antimicrobial Guard Plus | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | RoHS, REACH, Energy Star 8.0 | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified, TCO Certified 9.0 |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
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