In depth comparison and review of Lenovo ThinkPad T540p and Lenovo ThinkPad X1 Carbon Gen 11 (21HN). 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 ThinkPad T540p based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good performance levels
reliable security features
decent battery life
heavy and bulky
outdated design
mediocre display quality
limited graphics performance
Advantages and disadvantages of Lenovo ThinkPad X1 Carbon Gen 11 (21HN) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust build quality
excellent keyboard feel
impressive battery life
high-resolution display
high price point
limited graphics performance
fewer ports available
average webcam quality
DESIGN AND DIMENSIONS | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 37.6 cm x 24.8 cm x 2.77 cm | 31.56 cm x 22.25 cm x 1.536 cm |
Weight | 2.49 kg | 1.12 kg |
Case Material | Glass-fibre reinforced plastic | Aluminium (bottom), carbon fibre (top) |
Colour | Black | Deep black paint |
DISPLAY | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Screen Size (Type) | 15.6" | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | - | 400 cd/m² |
Colour Gamut | - | 100% sRGB |
Features | Anti-glare | Anti-glare, Low Power, Eyesafe technology |
PROCESSOR | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i7 (13th Gen) 1365U / 1.8 GHz |
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Max Turbo Speed | 2.9 GHz | 5.2 GHz |
Number of Cores | Dual-Core | 10-core |
Cache | 3 MB | 12 MB |
64-bit Computing | Yes | - |
Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | Integrated memory controller |
MEMORY | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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RAM | 8 GB | 16 GB (provided memory is soldered) |
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Max RAM Supported | 16 GB | - |
RAM Type | DDR3L SDRAM | LPDDR5 SDRAM |
Speed | - | 6400 MHz |
Rated Speed | - | 6400 MHz |
Form Factor | SO-DIMM 204-pin | - |
Slots Qty | 2 | - |
STORAGE | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Main Storage Size (HDD/SSD) | 240 GB SSD | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
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Optical Drive | DVD-Writer removable | - |
AUDIO & VIDEO | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel Iris Xe Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - 720p | Yes - 1080p |
Camera Features | - | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
Sound | Stereo speakers, dual array microphone | Stereo speakers, two tweeters, two woofers, quad array microphone |
Codec | Realtek ALC3232 | Realtek ALC3306 |
Compliant Standards | High Definition Audio, Dolby Home Theater v4 | High Definition Audio, Dolby Atmos |
Audio Features | - | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Wireless | Bluetooth, Wi-Fi | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | - | Intel Wi-Fi 6E AX 211 |
Network Interface | Gigabit Ethernet | - |
WWAN |
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Generation | WWAN upgradable | - |
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BATTERY | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Technology | Lithium Ion | 4-cell lithium polymer |
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Battery Capacity (Size) | - | 57 Wh |
AC ADAPTER | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | - | 65 Watt |
INPUT | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
Features | Spill-resistant, multi-touch touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad, air intake key design |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Slots | 1 x ExpressCard/34 (1 free) M.2 Card |
- |
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Interfaces | 2 x USB 3.0 2 x USB 2.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack |
Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
SOFTWARE | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
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MISCELLANEOUS | Lenovo ThinkPad T540p | Lenovo ThinkPad X1 Carbon Gen 11 (21HN) |
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Dockable | Yes | - |
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Included Accessories | Power adapter | USB-C power adapter |
Security | Trusted Platform Module (TPM 1.2) Security Chip | 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, ThinkPad Roll Cage, 1 USB 2.0 (Always On) | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
Compliant Standards | ISO 9001, ISO 14001, RoHS, ISO 27001 | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
ENERGY STAR Certified | Yes | - |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |