Side by side comparison and review of Lenovo ThinkBook 16 G6 IRL (21KH) and ASUS VivoBook 16X (K3605ZU). 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 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
Advantages and disadvantages of ASUS VivoBook 16X (K3605ZU) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful amd processor
sharp 16-inch display
lightweight design
fast ssd storage
good thermal management
average battery life
no thunderbolt support
limited color accuracy
basic audio quality.
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.6 cm x 25.35 cm x 1.75 cm | 35.86 cm x 24.91 cm x 1.89 cm |
| Weight | 1.7 kg | 1.8 kg |
| Case Material | Aluminium (top), polycarbonate ABS (bottom) | Plastic |
| Colour | Dual tone arctic grey | Cool silver |
| DISPLAY | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Screen Size (Type) | 16" - IPS | 16" |
|---|---|---|
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | 60 Hz | 120 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 100% sRGB |
| Features | Anti-glare, Low Blue Light technology | Anti-glare, IPS-level, 85% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| CPU | Intel Core i5 (13th Gen) 1335U / 1.3 GHz | Intel Core i7 (12th Gen) 12650H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 4.7 GHz |
| Number of Cores | 10-core | 10-core |
| Cache | 12 MB | L3 - 24 MB |
| Features | Integrated memory controller | Intel Smart Cache |
| MEMORY | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 64 GB | 32 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 5200 MHz | - |
| Rated Speed | 5200 MHz | - |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | NVIDIA GeForce RTX 4050 / Intel UHD Graphics |
| Max Monitors Supported | 3 external monitor(s) | - |
| Video Memory | - | 6 GB GDDR6 SDRAM |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | Max-Q design, MUX Switch, NVIDIA DLSS 3, NVIDIA Studio |
| Camera | Yes - 1080p | Yes - 720p |
| Camera Features | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Speaker, array microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Input: noise-cancellation technology | Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster; Input: AI noise cancelling |
| COMMUNICATIONS | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Intel I219-V | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Technology | Lithium polymer | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 70 Wh |
| AC ADAPTER | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 120 Watt, 20 V, 6 A |
| INPUT | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad | Chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Slots | 2 x M.2 (PCI Express 4.0 x4) (1 free) | - |
|---|---|---|
| Interfaces | 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 |
Headphone/microphone combo jack HDMI 2.1 2 x USB 3.2 Gen 1 USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes |
| SOFTWARE | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (Trial) | MyASUS, ScreenXpert, NVIDIA Studio drivers, ProArt Creator Hub, Microsoft 365 (1 month trial), GlideX |
| MISCELLANEOUS | Lenovo ThinkBook 16 G6 IRL (21KH) | ASUS VivoBook 16X (K3605ZU) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS | ASUS IceCool design, MIL-STD-810H tested, BIOS protection, Cortana support, ASUS Antimicrobial Guard |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 | RoHS, REACH, TUV Rheinland |
| Max Operating Temperature | 35 °C | 49 °C |
| Min Operating Temperature | 5 °C | -37 °C |
| Humidity Range Operating | 8 - 95% | 95% RH |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | - | N1058W |
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