ASUS VivoBook 15 (X1504ZA) Review

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

Lenovo ThinkPad T14s Gen 4 (21F9) Review

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

Laptop Comparison and Tests

Difference between ASUS VivoBook 15 (X1504ZA) and Lenovo ThinkPad T14s Gen 4 (21F9)
81 % - Design
75 % - Display
72 % - Performance
75 % - Connectivity
76 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS VivoBook 15 (X1504ZA) vs. Lenovo ThinkPad T14s Gen 4 (21F9) Comparison Chart
DESIGN AND DIMENSIONS ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.97 cm x 23.25 cm x 1.79 cm 31.75 cm x 22.69 cm x 1.69 cm
Weight 1.7 kg 1.26 kg
Case Material Plastic Aluminium (bottom), carbon fibre hybrid (top)
Colour Cool silver Deep black
DISPLAY ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
Screen Size (Type) 15.6" 14" - IPS
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
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare Anti-glare, on-cell touch technology
PROCESSOR ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
CPU Intel Core i7 (12th Gen) 1255U / 1.7 GHz AMD Ryzen 5 Pro 7540U / 3.2 GHz
Max Turbo Speed 4.7 GHz 4.9 GHz
Number of Cores 10-core 6-core
Cache L3 - 12 MB L3 - 16 MB
Features Intel Smart Cache Integrated memory controller
MEMORY ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
RAM 8 GB (provided memory is soldered) 16 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM LPDDR5X SDRAM
Speed - 6400 MHz
Rated Speed - 7500 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 1 -
STORAGE ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia
AUDIO & VIDEO ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon 740M
Max Monitors Supported - 3 external monitor(s)
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - 720p Yes
Resolution - 5 Megapixel
Camera Features Privacy shutter, ASUS 3D Noise Reduction (3DNR) Technology Privacy shutter, Windows Hello, fixed focus, Discrete IR, Ultrasonic Human Presence Detection
Sound Dual speakers, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards - High Definition Audio, Dolby Audio
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 T14s Gen 4 (21F9)
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
Network Interface - Gigabit Ethernet
Features Single stream (1x1) -
BATTERY ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
Technology 3-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 42 Wh 57 Wh
AC ADAPTER ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 19 V, 2.37 A 65 Watt
INPUT ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
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
CONNECTIONS & EXPANSIONS ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
Interfaces 2 x USB 3.2 Gen 1
USB-C 3.2 Gen 1
USB 2.0
HDMI 1.4
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 VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
Operating System (OS) Windows 11 Home Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
Software Included MyASUS, ScreenXpert, Microsoft 365 (1 month trial), GlideX Glance by Mirametrix
MISCELLANEOUS ASUS VivoBook 15 (X1504ZA) Lenovo ThinkPad T14s Gen 4 (21F9)
Included Accessories Power adapter USB-C power adapter, Lenovo USB-C to Ethernet 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, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards RoHS, REACH, Energy Star 8.0 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%
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