Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) vs. ASUS ROG Zephyrus G15 (GA503QM)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) and ASUS ROG Zephyrus G15 (GA503QM). 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 ThinkBook 15-IML (Lenovo ThinkBook 15) Review

Advantages and disadvantages of Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

solid processor performance

adequate port selection

comfortable keyboard

affordable price

average display quality

moderate battery life

heavier design

no thunderbolt support

ASUS ROG Zephyrus G15 (GA503QM) Review

Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA503QM) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

lightweight and portable

efficient cooling system

long battery life

expensive price point

no webcam included

limited port selection

average speaker quality

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) and ASUS ROG Zephyrus G15 (GA503QM)
76 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery
82 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) vs. ASUS ROG Zephyrus G15 (GA503QM) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.4 cm x 24.5 cm x 1.89 cm 35.5 cm x 24.3 cm x 1.99 cm
Weight 1.8 kg 1.9 kg
Case Material Aluminum, polycarbonate ABS -
Colour Mineral grey Moonlight white
DISPLAY Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Screen Size (Type) 15.6" - IPS 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 144 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² -
Colour Gamut - 47.34% Adobe RGB, 62.5% sRGB
Features Anti-glare Anti-glare, FreeSync Technology, IPS-level
PROCESSOR Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz AMD Ryzen 9 5900HS / 3 GHz
Max Turbo Speed 4.2 GHz 4.6 GHz
Number of Cores Quad-Core 8-core
Cache 6 MB L3 - 16 MB
64-bit Computing Yes -
Features Integrated memory controller -
MEMORY Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
RAM 8 GB (provided memory is soldered) 16 GB (provided memory is soldered)
Max RAM Supported 24 GB 48 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz -
Rated Speed 2666 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 1
STORAGE Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) 1 TB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Graphics Processor (GPU) Intel UHD Graphics NVIDIA GeForce RTX 3060
Video Memory - 6 GB GDDR6 SDRAM
Video System Features - ROG Boost, NVIDIA Resizable BAR, Dynamic Boost 2.0
Gaming - Yes
Camera Yes - 720p -
Camera Features ThinkShutter camera privacy -
Sound Stereo speakers, dual array microphone Two tweeters, four woofers, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio Dolby Atmos
Audio Features - Noise-cancellation technology, Smart Amplification technology
COMMUNICATIONS Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller M.2 Card -
Network Interface Gigabit Ethernet Gigabit Ethernet
Compliant Standards - Wi-Fi CERTIFIED 6
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Technology Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 45 Wh 90 Wh
Battery Life Up to 9 hours -
AC ADAPTER Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 200 Watt, 20 V, 10 A
INPUT Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Chiclet keyboard
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Interfaces USB 2.0
USB 3.1 Gen 1 (Always On)
USB 3.1 Gen 1
USB-C 3.1 Gen 1
USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
Headphone/microphone combo jack
2 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
LAN
HDMI
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 10 Home
Software Included Microsoft Office (30 days trial) Microsoft 365 (30 days trial), ROG Armoury Crate
MISCELLANEOUS Lenovo ThinkBook 15-IML (Lenovo ThinkBook 15) ASUS ROG Zephyrus G15 (GA503QM)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Fingerprint reader
Security Slot Type Kensington 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, hard drive password, power-on password, RapidCharge System password
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 -
SAR Value 0.6 W/kg (body), 0.6 W/kg (limb) -
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Silver -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number IML 20RW HN170T
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