In depth comparison and review of ASUS ROG Zephyrus G16 (GU603ZV) and Lenovo ThinkBook 16 G6 IRL (21KH). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of ASUS ROG Zephyrus G16 (GU603ZV) based on its technical characteristics, features, user experience, expert reviews and price level.
high refresh rate display
powerful gaming performance
sleek, lightweight design
good thermal management
efficient multitasking capabilities
above-average price
limited port selection
average battery life
noisy under load
Advantages and disadvantages of Lenovo ThinkBook 16 G6 IRL (21KH) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful intel processor
high-resolution display
solid build quality
good battery life
fast ssd storage
heavier than competitors
limited color options
noisy under load
expensive base model
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.5 cm x 24.3 cm x 2.29 cm | 35.6 cm x 25.35 cm x 1.75 cm |
| Weight | 2 kg | 1.7 kg |
| Case Material | - | Aluminium (top), polycarbonate ABS (bottom) |
| Colour | Eclipse grey | Dual tone arctic grey |
| DISPLAY | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Screen Size (Type) | 16" - IPS | 16" - IPS |
|---|---|---|
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | 165 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare, NVIDIA G-SYNC compatible, Wide Colour Gamut, HDR (high dynamic range), Pantone Validated, Dolby Vision | Anti-glare, Low Blue Light technology |
| PROCESSOR | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H / 2.3 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 4.6 GHz |
| Number of Cores | 14-core | 10-core |
| Cache | 24 MB | 12 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 48 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 3200 MHz | 5200 MHz |
| Rated Speed | 3200 MHz | 5200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 4060 / Intel Iris Xe Graphics | Intel Iris Xe Graphics |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 8 GB GDDR6 SDRAM | - |
| Video System Features | Dynamic Boost, MUX Switch, NVIDIA Advanced Optimus | Functions as Intel UHD graphics (for single-channel memory) |
| Gaming | Yes | - |
| Camera | Yes - 720p | Yes - 1080p |
| Camera Features | IR camera, Windows Hello | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Two tweeters, two woofers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | Dolby Atmos | High Definition Audio, Dolby Audio |
| Audio Features | Output: Smart Amplification technology, Hi-Res Audio; Input: AI noise cancelling | Input: noise-cancellation technology |
| COMMUNICATIONS | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-V |
| Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Technology | 4-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 45 Wh |
| AC ADAPTER | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 20 V, 12 A | 65 Watt |
| INPUT | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Chiclet keyboard, 1.7mm travel distance | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| Interfaces | HDMI 2.1 LAN USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack 2 x USB 3.2 Gen 2 |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSDXC UHS-II) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 11 Pro - English |
|---|---|---|
| Software Included | Armoury Crate | Microsoft Office (Trial) |
| MISCELLANEOUS | ASUS ROG Zephyrus G16 (GU603ZV) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Firmware 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 | ASUS Aura Sync technology, ErgoLift, BIOS protection, ROG Intelligent Cooling, Arc Flow Fans, 0dB Ambient Cooling | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | N3009W | - |
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