ASUS ROG Zephyrus G15 (GA502IU) vs. Lenovo ThinkPad T15g Gen 1 (20US)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of ASUS ROG Zephyrus G15 (GA502IU) and Lenovo ThinkPad T15g Gen 1 (20US). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

ASUS ROG Zephyrus G15 (GA502IU) Review

Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA502IU) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful AMD processor

high refresh rate screen

lightweight and portable

solid battery life

effective cooling system

mediocre webcam quality

no Thunderbolt support

limited storage capacity

average color accuracy

Lenovo ThinkPad T15g Gen 1 (20US) Review

Advantages and disadvantages of Lenovo ThinkPad T15g Gen 1 (20US) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful graphics capabilities

robust build quality

high-resolution display

advanced security features

good thermal management

heavy and bulky

expensive price point

average battery life

limited color accuracy

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus G15 (GA502IU) and Lenovo ThinkPad T15g Gen 1 (20US)
86 % - Design
85 % - Display
85 % - Performance
78 % - Connectivity
75 % - Battery
85 % - Design
85 % - Display
85 % - Performance
84 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus G15 (GA502IU) vs. Lenovo ThinkPad T15g Gen 1 (20US) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Product Type Notebook Notebook
Dimensions (WxDxH) 36 cm x 25.2 cm x 1.99 cm 37.54 cm x 25.23 cm x 3.145 cm
Weight 2.1 kg 2.74 kg
Case Material - Glass-fibre, glass-fibre reinforced plastic, polyphenylene sulfide
Colour - Black
DISPLAY ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Screen Size (Type) 15.6" 15.6" - IPS
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 - 300 cd/m²
Colour Gamut 47.34% Adobe RGB, 62.5% sRGB 72% NTSC
Features Anti-glare Anti-glare, 160° viewing angle, 72% NTSC colour gamut
PROCESSOR ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
CPU AMD Ryzen 7 4800HS / 2.9 GHz Intel Core i7 (10th Gen) 10850H / 2.7 GHz
Max Turbo Speed 4.2 GHz 5.1 GHz
Number of Cores 8-core 6-core
Cache L3 - 8 MB 12 MB
64-bit Computing Yes Yes
Chipset - Mobile Intel WM490
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
RAM 16 GB (1 x 8 GB + 8 GB (soldered)) 16 GB (1 x 16 GB)
Max RAM Supported - 128 GB
RAM Type DDR4 SDRAM DDR4 SDRAM - non-ECC
Speed 3200 MHz 2933 MHz
Rated Speed - 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty - 4
Empty Slots - 3
STORAGE ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 PCIe - NVM Express (NVMe) 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - SK Hynix
RAID Level - RAID 0, RAID 1
AUDIO & VIDEO ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Multi-GPU Configuration 1 single GPU card / integrated GPU 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce GTX 1660 Ti / AMD Radeon Vega Graphics NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics
Video Memory 6 GB GDDR6 SDRAM 8 GB GDDR6 SDRAM
Video System Features Max-Q design Max-Q design
Gaming Yes -
Camera - Yes - 720p
Camera Features - Fixed focus, ThinkShutter camera privacy
Sound Stereo speakers, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3286
Compliant Standards - Dolby Atmos
Audio Features Smart Amplification technology -
VR Ready Yes -
COMMUNICATIONS ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller - Intel Wi-Fi 6 AX 201 - M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) -
BATTERY ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Technology 4-cell Lithium Ion 6-cell Lithium Ion
Battery Capacity (Size) 76 Wh 94 Wh
Battery Life - Up to 16.4 hours
AC ADAPTER ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 180 Watt, 20 V, 9 A 230 Watt, 20 V
INPUT ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Chiclet keyboard, ASUS Overstroke technologie, N-key rollover Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Slots - 2 x M.2 Card (1 free)
Interfaces Headphone/microphone combo jack
3 x USB 3.2 Gen 1
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
LAN
HDMI
USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
HDMI
Headphone/microphone combo jack
LAN
Memory Card Reader - Yes (SD Card)
SOFTWARE ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Operating System (OS) Windows 10 Home Windows 10 Home 64-bit Edition
Software Included Sonic Studio III, Armoury Crate, GameVisual, GameFirst VI -
MISCELLANEOUS ASUS ROG Zephyrus G15 (GA502IU) Lenovo ThinkPad T15g Gen 1 (20US)
Included Accessories Power adapter Power adapter
Security - Trusted Platform Module (TPM 2.0) Security Chip, 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 65W power delivery Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested
Compliant Standards - RoHS
SAR Value 0.014 W/kg (body), 0.014 W/kg (limb) -
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Gold
TCO Certified - TCO Certified Notebooks 8
Model Number AL014T -
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