In depth comparison and review of Lenovo ThinkBook 15p G2 ITH (21B1) and Lenovo ThinkPad X1 Extreme Gen 4 (20Y6). 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 Lenovo ThinkBook 15p G2 ITH (21B1) based on its technical characteristics, features, user experience, expert reviews and price level.
high-resolution display
powerful processor performance
solid build quality
adequate storage options
good thermal management
heavier than competitors
average battery life
limited port selection
higher price point
Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful processor performance
robust build quality
excellent 4k display
ample connectivity options
advanced security features
high price point
average battery life
heavier than competitors
noisy under load
| DESIGN AND DIMENSIONS | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.9 cm x 24.95 cm x 1.99 cm | 35.95 cm x 25.38 cm x 1.77 cm |
| Weight | 1.9 kg | 1.81 kg |
| Case Material | Aluminum | Carbon fibre hybrid (top), aluminium alloy (bottom) |
| Colour | Dual tone mineral grey | Black paint |
| DISPLAY | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Screen Size (Type) | 15.6" - IPS | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2400 (WQUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 600 cd/m² |
| Colour Gamut | 100% sRGB | 100% Adobe RGB |
| Features | 170° viewing angle | Anti-glare, HDR 400 compatible, Low Blue Light technology, 170° viewing angle, X-Rite Pantone factory color calibration, Dolby Vision |
| PROCESSOR | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| CPU | Intel Core i7 (11th Gen) 11800H / 2.3 GHz | Intel Core i7 (11th Gen) 11850H / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 4.8 GHz |
| Number of Cores | 8-core | 8-core |
| Cache | 24 MB | 24 MB |
| Chipset | Intel HM570 | Intel WM590 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| RAM | 16 GB (2 x 8 GB) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 64 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 3200 MHz | 3200 MHz |
| Rated Speed | 3200 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Samsung |
|---|---|---|
| RAID Level | RAID 0, RAID 1 | RAID 0, RAID 1 |
| AUDIO & VIDEO | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 / Intel UHD Graphics | NVIDIA GeForce RTX 3050 Ti / Intel UHD Graphics |
| Max Monitors Supported | 2 external monitor(s) | 3 external monitor(s) |
| Video Memory | 4 GB GDDR6 SDRAM | 4 GB GDDR6 SDRAM |
| Video System Features | - | Max-Q design, NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0 |
| Camera | Yes - 1080p | Yes - 1080p |
| Camera Features | Privacy shutter, fixed focus | Privacy shutter, IR camera, Windows Hello, fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | Realtek ALC3306 |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Atmos |
| Audio Features | Harman-branded | - |
| COMMUNICATIONS | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6E AX 210 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Dual stream (2x2) | - |
| BATTERY | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Technology | Lithium polymer | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 90 Wh |
| Battery Life | Up to 7.5 hours | Up to 12.8 hours |
| Battery Run Time | Local video (1080p) playback time: up to 7.5 hours | - |
| AC ADAPTER | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 135 Watt | 170 Watt, 20 V |
| INPUT | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Slots | 1 x M.2 (PCI Express 3.0 x4) (0 free) 1 x M.2 (PCI Express 4.0 x4) (1 free) |
2 x M.2 Card (1 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 USB 3.2 Gen 2 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) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN (on supplied adapter) |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (SD Card, SDXC UHS-II Card) |
| SOFTWARE | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Lenovo ThinkBook 15p G2 ITH (21B1) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Included Accessories | Power adapter | Power adapter, Lenovo USB-C to Ethernet Adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) | RoHS, TCG Certified |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 5 °C |
| Humidity Range Operating | 8 - 95% | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
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