Lenovo IdeaPad S145-15API (81UT) vs. ASUS VivoBook 16X (K3605ZF)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo IdeaPad S145-15API (81UT) and ASUS VivoBook 16X (K3605ZF). 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.

Lenovo IdeaPad S145-15API (81UT) Review

Advantages and disadvantages of Lenovo IdeaPad S145-15API (81UT) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

decent processor performance

sufficient connectivity options

simple user interface

average display quality

limited battery life

modest graphics capability

no backlight keyboard

ASUS VivoBook 16X (K3605ZF) Review

Advantages and disadvantages of ASUS VivoBook 16X (K3605ZF) based on its technical characteristics, features, user experience, expert reviews and price level.

high-resolution display

lightweight design

fast SSD storage

powerful processor performance

good thermal management

average battery life

limited port selection

higher price point

noisy under load

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S145-15API (81UT) and ASUS VivoBook 16X (K3605ZF)
69 % - Design
63 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery
82 % - Design
85 % - Display
70 % - Performance
85 % - Connectivity
76 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S145-15API (81UT) vs. ASUS VivoBook 16X (K3605ZF) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.22 cm x 25.15 cm x 1.99 cm 35.86 cm x 24.91 cm x 1.89 cm
Weight 1.85 kg 1.8 kg
Case Material Polycarbonate ABS Aluminum, plastic
Colour Granite black IMR Cool silver
DISPLAY Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Screen Size (Type) 15.6" - TN 16"
LCD Backlight Technology LED backlight -
Screen Resolution 1366 x 768 (HD) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. - 120 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 220 cd/m² 300 cd/m²
Colour Gamut - 100% sRGB
Features Anti-glare Anti-glare, 86% screen-to-body ratio, IPS-level
PROCESSOR Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
CPU AMD Ryzen 3 3200U / 2.6 GHz Intel Core i5 (12th Gen) 12450H
Max Turbo Speed 3.5 GHz 4.4 GHz
Number of Cores Dual-Core 8-core
Cache L3 - 4 MB 12 MB
64-bit Computing Yes -
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
RAM 4 GB (provided memory is soldered) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported 12 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2400 MHz -
Rated Speed 2400 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 0
STORAGE Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) AMD Radeon Vega 3 NVIDIA GeForce RTX 2050 / Intel UHD Graphics
Video Memory - 4 GB GDDR6 VRAM
Camera Yes Yes - HD
Resolution 0.3 Megapixel -
Camera Features - Privacy shutter
Sound Stereo speakers, microphone Dual speakers, dual array microphone
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features - Output: ASUS SonicMaster
COMMUNICATIONS Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Wireless Controller M.2 Card -
Features Single stream (1x1) Dual stream (2x2)
BATTERY Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Technology Lithium Ion 3-cell Lithium Ion
Battery Capacity (Size) 30 Wh 50 Wh
Battery Life Up to 4 hours -
AC ADAPTER Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 120 Watt, 20 V, 6 A
INPUT Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight - Yes
Features Multi-touch touchpad, buttonless touchpad Chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Interfaces USB 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
HDMI 2.1
Headphone/microphone combo jack
2 x USB 3.2 Gen 1
USB-C 3.2 Gen 1 (Power Delivery)
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (SD Card)
SOFTWARE Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Operating System (OS) Windows 10 Home in S mode - English Windows 11 Home
Software Included Microsoft Office (30 days trial) McAfee LiveSafe (30 days trial), Microsoft 365 (1 month trial)
MISCELLANEOUS Lenovo IdeaPad S145-15API (81UT) ASUS VivoBook 16X (K3605ZF)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Firmware Trusted Platform Module (TPM) Security Chip
Features Administrator password, hard drive password, power-on password ASUS IceCool design, MIL-STD-810H tested, ASUS Antimicrobial Guard
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, REACH, TUV Rheinland Low Blue Light Certification, TUV Rheinland Flicker Free Certification
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number - N1009W
Other Comparisons with Lenovo IdeaPad S145-15API (81UT)
Other Comparisons with ASUS VivoBook 16X (K3605ZF)
Other Popular Laptop Comparisons
Other projects: