Detailed comparison and review of ASUS ROG Zephyrus G15 (GA503QS) and Lenovo ThinkPad Z16 Gen 1 (21D5). 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.
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 Z16 Gen 1 (21D5) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful AMD processor
high-resolution display
good battery life
heavier than competitors
expensive base model
limited color options
noisy under load
DESIGN AND DIMENSIONS | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 35.5 cm x 24.3 cm x 1.99 cm | 35.44 cm x 23.74 cm x 1.58 cm |
Weight | 1.9 kg | 1.94 kg |
Case Material | - | Aluminium (top), aluminium (bottom) |
Colour | Eclipse grey | Black (bottom), arctic grey (top) |
DISPLAY | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Screen Size (Type) | 15.6" | 16" OLED |
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Touchscreen | - | Yes (10-point multi-touch) |
LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2400 (WQUXGA) |
V-Sync Rate at Max Res. | 144 Hz | - |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 250 cd/m² | 500 cd/m² |
Colour Gamut | 45% NTSC, 47.34% Adobe RGB, 62.5% sRGB | 100% DCI-P3 |
Features | Anti-glare, FreeSync Technology, ±85° horizontal viewing angle, ±85° vertical viewing angle, IPS-level | Anti-reflective, One Glass Solution, anti-smudge, Low Blue Light technology, Dolby Vision, 175° viewing angle, 92.3% screen-to-body ratio |
PROCESSOR | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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CPU | AMD Ryzen 7 5800HS / 2.8 GHz | AMD Ryzen 7 Pro 6850H / 3.2 GHz |
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Max Turbo Speed | 4.4 GHz | 4.7 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 Z16 Gen 1 (21D5) |
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RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 32 GB (provided memory is soldered) |
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Max RAM Supported | 24 GB | - |
RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
Speed | 3200 MHz | 6400 MHz |
Rated Speed | - | 6400 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 1 | - |
Empty Slots | 0 | - |
STORAGE | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Western Digital |
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AUDIO & VIDEO | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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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 680M |
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 | - | Windows Hello, fixed focus, e-camera shutter, hybrid FHD/IR camera |
Sound | Stereo speakers, two tweeters, array microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3306 |
Compliant Standards | Dolby Atmos | High Definition Audio, Dolby Atmos |
Audio Features | Smart Amplification technology | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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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 | - | Qualcomm NFA725A |
Network Interface | Gigabit Ethernet | - |
Features | Dual stream (2x2) | - |
BATTERY | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Technology | 4-cell Lithium Ion | 4-cell lithium polymer |
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Battery Capacity (Size) | 90 Wh | 72 Wh |
AC ADAPTER | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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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 | 135 Watt, 5 / 9 / 15 / 20 V |
INPUT | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Keyboard Backlight | Yes | Yes |
Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad |
CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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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 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
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Memory Card Reader | Yes (microSD) | Yes (SD Card, SDXC UHS-II Card) |
SOFTWARE | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Operating System (OS) | Windows 10 Home | Windows 11 Pro |
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MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA503QS) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Included Accessories | Power adapter | USB-C slim power adapter |
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Security | Fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
Compliant Standards | - | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified, TCO Certified 9.0 |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Model Number | HN013T | - |