Detailed comparison and review of Lenovo ThinkPad X1 Extreme Gen 5 (21DE) and Lenovo ThinkBook 16 G6 IRL (21KH). 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 Lenovo ThinkPad X1 Extreme Gen 5 (21DE) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful intel processors
robust build quality
excellent 4k display
advanced security features
wide connectivity options
high price point
heavier than competitors
average battery life
loud 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 | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.95 cm x 25.38 cm x 1.79 cm | 35.6 cm x 25.35 cm x 1.75 cm |
| Weight | 1.88 kg | 1.7 kg |
| Case Material | Aluminium (bottom), carbon fibre (top) | Aluminium (top), polycarbonate ABS (bottom) |
| Colour | Black paint | Dual tone arctic grey |
| DISPLAY | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Screen Size (Type) | 16" - IPS | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2560 x 1600 (WQXGA) | 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 | 500 cd/m² | 300 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare, 178° viewing angle, Low Blue Light technology, X-Rite Pantone factory color calibration | Anti-glare, Low Blue Light technology |
| PROCESSOR | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | 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 | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| RAM | 16 GB (1 x 16 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR5 SDRAM | DDR5 SDRAM |
| Speed | 4800 MHz | 5200 MHz |
| Rated Speed | 4800 MHz | 5200 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 Ti / Intel Iris Xe Graphics | Intel Iris Xe Graphics |
| Max Monitors Supported | 4 external monitor(s) | 3 external monitor(s) |
| Video Memory | 4 GB GDDR6 SDRAM | - |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 1080p | Yes - 1080p |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3306 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Audio Premium, Dolby Voice | High Definition Audio, Dolby Audio |
| Audio Features | - | Input: noise-cancellation technology |
| COMMUNICATIONS | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Wireless | NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-V |
| Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 45 Wh |
| AC ADAPTER | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 170 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Slots | 2 x M.2 (PCI Express 4.0 x4) (1 free) | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
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 (SD Express Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - German | Windows 11 Pro - English |
|---|---|---|
| Software Included | Glance by Mirametrix | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad X1 Extreme Gen 5 (21DE) | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication | 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 3, TCG Certified, TÜV Rheinland Low Blue Light Method 2 | RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| TCO Certified | TCO Certified Notebooks 9 | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 5 °C |
| Humidity Range Operating | 8 - 95% | 8 - 95% |
| Manufacturer Warranty | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
Limited warranty - 1 year - pick-up and return |
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