Lenovo ThinkPad L15 Gen 3 (21C4) vs. ASUS ROG Zephyrus G16 (GU603VI)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad L15 Gen 3 (21C4) and ASUS ROG Zephyrus G16 (GU603VI). 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 (21C4) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C4) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

good battery life

solid performance

adequate port selection

average display brightness

heavier than competitors

limited graphics performance

no thunderbolt support

ASUS ROG Zephyrus G16 (GU603VI) Review

Advantages and disadvantages of ASUS ROG Zephyrus G16 (GU603VI) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

compact, lightweight design

advanced cooling system

good battery life

expensive price point

limited port selection

noisy under load

average webcam quality

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 3 (21C4) and ASUS ROG Zephyrus G16 (GU603VI)
85 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery
82 % - Design
84 % - Display
91 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 3 (21C4) vs. ASUS ROG Zephyrus G16 (GU603VI) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
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 35.5 cm x 24.3 cm x 2.23 cm
Weight 1.76 kg 2 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) -
Colour Thunder black Eclipse grey
DISPLAY Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
Screen Size (Type) 15.6" - IPS 16"
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1600 (WQXGA)
V-Sync Rate at Max Res. - 240 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² -
Colour Gamut 45% NTSC 100% DCI-P3
Features Anti-glare, 170° viewing angle Anti-glare, NVIDIA G-SYNC compatible, HDR (high dynamic range), 3 ms response rate, Pantone Validated, IPS-level, Dolby Vision, 94% screen-to-body ratio
PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel Core i9 (13th Gen) 13900H / 2.6 GHz
Max Turbo Speed 4.4 GHz 5.4 GHz
Number of Cores 10-core 14-core
Cache 12 MB 24 MB
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
RAM 16 GB (1 x 16 GB) 16 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz 3200 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel Iris Xe Graphics NVIDIA GeForce RTX 4070 / Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) -
Video Memory - 8 GB GDDR6 SDRAM
Video System Features - ROG Boost, Dynamic Boost, MUX Switch, NVIDIA Advanced Optimus
Gaming - Yes
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus IR camera, Windows Hello
Sound Stereo speakers, dual array microphone Two tweeters, two woofers, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio Dolby Atmos
Audio Features - Output: Smart Amplification technology; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wi-Fi 6 AX 201 -
Network Interface Gigabit Ethernet Gigabit Ethernet
Features - Dual stream (2x2)
BATTERY Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
Technology 3-cell lithium polymer 4-cell Lithium Ion
Battery Capacity (Size) 57 Wh 90 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 5 / 9 / 15 / 20 V 240 Watt, 20 V, 12 A
INPUT Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Chiclet keyboard, N-key rollover, 1.7mm travel distance
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN
Headphone/microphone combo jack
HDMI 2.1
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 2
LAN
Thunderbolt 4 (supports DisplayPort) (Power Delivery)
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence Windows 11 Home
MISCELLANEOUS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus G16 (GU603VI)
Included Accessories USB-C power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip
Security Slot Type Kensington nano security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password Administrator password, ASUS Aura Sync technology, ErgoLift, ROG Intelligent Cooling, Arc Flow Fans, ROG Nebula Display
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified -
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Model Number - N4015W
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