Lenovo ThinkPad L15 Gen 3 (21C4) vs. ASUS ROG Zephyrus M16 (GU603ZU)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad L15 Gen 3 (21C4) and ASUS ROG Zephyrus M16 (GU603ZU). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

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 M16 (GU603ZU) Review

Advantages and disadvantages of ASUS ROG Zephyrus M16 (GU603ZU) based on its technical characteristics, features, user experience, expert reviews and price level.

high-resolution display

powerful graphics performance

sleek, lightweight design

fast processing speeds

advanced cooling system

high price point

average battery life

limited port selection

noisy under load

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 3 (21C4) and ASUS ROG Zephyrus M16 (GU603ZU)
85 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery
81 % - Design
87 % - Display
84 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 3 (21C4) vs. ASUS ROG Zephyrus M16 (GU603ZU) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus M16 (GU603ZU)
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 M16 (GU603ZU)
Screen Size (Type) 15.6" - IPS 16"
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. - 165 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 250 cd/m²
Colour Gamut 45% NTSC 100% sRGB
Features Anti-glare, 170° viewing angle Anti-glare, Adaptive-Sync technology, HDR (high dynamic range), 3 ms response rate, ±85° horizontal viewing angle, ±85° vertical viewing angle, Pantone Validated, IPS-level, Dolby Vision
PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus M16 (GU603ZU)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel Core i7 (12th Gen) 12700H / 2.3 GHz
Max Turbo Speed 4.4 GHz 4.7 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 M16 (GU603ZU)
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 -
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus M16 (GU603ZU)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus M16 (GU603ZU)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel Iris Xe Graphics NVIDIA GeForce RTX 4050 / Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) -
Video Memory - 6 GB GDDR6 SDRAM
Video System Features - NVIDIA Optimus, ROG Boost, Dynamic Boost, MUX Switch
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 M16 (GU603ZU)
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 M16 (GU603ZU)
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 M16 (GU603ZU)
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 M16 (GU603ZU)
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, 1 RGB zone
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus M16 (GU603ZU)
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
Thunderbolt 4 (supports DisplayPort) (Power Delivery)
2 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) Yes (microSD, microSDXC UHS-II)
SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C4) ASUS ROG Zephyrus M16 (GU603ZU)
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 M16 (GU603ZU)
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 System password, ASUS Aura Sync technology, ErgoLift
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 - N3003W
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