Lenovo ThinkPad L15 Gen 3 (21C7) vs. ASUS Vivobook S 14 OLED (K3402ZA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad L15 Gen 3 (21C7) and ASUS Vivobook S 14 OLED (K3402ZA). 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 ThinkPad L15 Gen 3 (21C7) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C7) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good battery life

adequate performance level

reliable security features

average display quality

limited graphics power

heavier than competitors

no thunderbolt support

ASUS Vivobook S 14 OLED (K3402ZA) Review

Advantages and disadvantages of ASUS Vivobook S 14 OLED (K3402ZA) based on its technical characteristics, features, user experience, expert reviews and price level.

vivid oled display

lightweight design

fast ssd storage

good processor performance

competitive price

average battery life

no dedicated gpu

limited port selection

basic audio quality

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 3 (21C7) and ASUS Vivobook S 14 OLED (K3402ZA)
86 % - Design
75 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery
83 % - Design
88 % - Display
85 % - Performance
85 % - Connectivity
76 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 3 (21C7) vs. ASUS Vivobook S 14 OLED (K3402ZA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.02 cm x 23.7 cm x 1.993 cm 31.64 cm x 22.45 cm x 1.89 cm
Weight 1.76 kg 1.4 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) -
Colour Thunder black Neutral grey
DISPLAY Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Screen Size (Type) 15.6" - IPS 14" OLED
Screen Resolution 1920 x 1080 (Full HD) 2880 x 1800 (WQXGA+)
V-Sync Rate at Max Res. - 90 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 400 cd/m²
Colour Gamut 45% NTSC 100% DCI-P3
Colour Support - 1.07 billion colours
Features Anti-glare Glossy, NanoEdge display, Pantone Validated, 84% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black
PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
CPU AMD Ryzen 3 Pro 5475U / 2.7 GHz Intel Core i5 (12th Gen) 12500H / 2.5 GHz
Max Turbo Speed 4.1 GHz 4.5 GHz
Number of Cores Quad-Core 12-core
Cache L3 - 8 MB 18 MB
Platform Technology - Intel Evo
Features Integrated memory controller -
MEMORY Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
RAM 8 GB (1 x 8 GB) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz -
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 1
Empty Slots 1 0
STORAGE Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Graphics Processor (GPU) AMD Radeon Graphics Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera Privacy shutter
Sound Stereo speakers, dual array microphone Harman/kardon stereo speakers, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio -
Audio Features Input: Dolby Voice, far-field Output: Smart Amp; Input: noise-cancellation technology
COMMUNICATIONS Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.0, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller AMD RZ616 - M.2 Card -
Network Interface Gigabit Ethernet -
Ethernet Controller Realtek RTL8111EPV -
Compliant Standards DASH -
Features Wake-on-LAN (WOL), dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Technology Lithium polymer 3-cell Lithium Ion
Battery Capacity (Size) 57 Wh 70 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 90 Watt, 20 V, 4.5 A
INPUT Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad, NumberPad 2.0
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Interfaces USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
HDMI (4K support)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN
Headphone/microphone combo jack
USB 2.0
2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 1
HDMI
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English / Portuguese Windows 11 Home
Software Included Glance by Mirametrix -
MISCELLANEOUS Lenovo ThinkPad L15 Gen 3 (21C7) ASUS Vivobook S 14 OLED (K3402ZA)
Included Accessories USB-C power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader
Security Slot Type Kensington nano security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password System password, ASUS IceCool design, ASUS Antibacterial Guard
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, REACH, TUV Rheinland Flicker Free Certification, SGS Eye Care Display Certification, TUV Rheinland Low Blue Light (Hardware Solution)
Carbon Footprint 236 kg carbon emissions -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number - KM044W
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