Side by side comparison and review of ASUS ROG Zephyrus G15 (GA503QS) and Lenovo ThinkPad L15 Gen 3 (21C8). 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.
Advantages and disadvantages of ASUS ROG Zephyrus G15 (GA503QS) 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
premium price tag
no webcam included
limited port selection
loud under load
Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C8) 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 connectivity options
average display quality
heavier than competitors
limited graphics performance
higher price point
DESIGN AND DIMENSIONS | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 35.5 cm x 24.3 cm x 1.99 cm | 36.02 cm x 23.7 cm x 1.993 cm |
Weight | 1.9 kg | 1.76 kg |
Case Material | - | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Eclipse grey | Thunder black |
DISPLAY | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Screen Size (Type) | 15.6" | 15.6" - IPS |
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LCD Backlight Technology | 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 | 250 cd/m² |
Colour Gamut | 45% NTSC, 47.34% Adobe RGB, 62.5% sRGB | 45% NTSC |
Features | Anti-glare, FreeSync Technology, ±85° horizontal viewing angle, ±85° vertical viewing angle, IPS-level | Anti-glare, 170° viewing angle |
PROCESSOR | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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CPU | AMD Ryzen 7 5800HS / 2.8 GHz | AMD Ryzen 7 Pro 5875U / 2 GHz |
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Max Turbo Speed | 4.4 GHz | 4.5 GHz |
Number of Cores | 8-core | 8-core |
Cache | 16 MB | L3 - 16 MB |
64-bit Computing | Yes | - |
Features | - | Integrated memory controller |
MEMORY | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 16 GB (1 x 16 GB) |
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Max RAM Supported | 24 GB | 64 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 3200 MHz | 3200 MHz |
Rated Speed | - | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 2 |
Empty Slots | 0 | 1 |
STORAGE | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
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AUDIO & VIDEO | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 / AMD Radeon Graphics | AMD Radeon Graphics |
Max Monitors Supported | - | 3 external monitor(s) |
Video Memory | 8 GB GDDR6 SDRAM | - |
Video System Features | NVIDIA Optimus | - |
Gaming | Yes | - |
Camera | - | Yes - 1080p |
Camera Features | - | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
Sound | Stereo speakers, two tweeters, array microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | Dolby Atmos | High Definition Audio, Dolby Audio, Dolby Voice |
Audio Features | Smart Amplification technology | - |
COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | - | AMD RZ616 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Features | Dual stream (2x2) | Wake-on-LAN (WOL) |
BATTERY | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Technology | 4-cell Lithium Ion | 3-cell lithium polymer |
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Battery Capacity (Size) | 90 Wh | 42 Wh |
AC ADAPTER | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 200 Watt, 20 V, 10 A | 65 Watt |
INPUT | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | Yes |
Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Interfaces | 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 |
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 USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack LAN |
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Memory Card Reader | Yes (microSD) | Yes (microSD) |
SOFTWARE | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Operating System (OS) | Windows 10 Home | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
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MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Included Accessories | Power adapter | USB-C power adapter |
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Security | Fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
Security Slot Type | Kensington security slot | Kensington nano security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | System password | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Model Number | HN013T | - |