In depth comparison and review of Lenovo ThinkPad T450s and Lenovo ThinkPad X1 Carbon (7th Gen) (20QE). 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 T450s based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
excellent keyboard feel
efficient power management
robust security features
good connectivity options
average display quality
modest graphics performance
heavier than competitors
limited storage capacity
Advantages and disadvantages of Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) 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
fast ssd storage
average graphics performance
no dedicated GPU
limited storage capacity
higher price point
DESIGN AND DIMENSIONS | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Product Type | Ultrabook | Ultrabook |
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Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 2.065 cm | 32.3 cm x 21.7 cm x 1.495 cm |
Weight | 1.59 kg | 1.09 kg |
Case Material | Carbon fibre reinforced plastic, magnesium-aluminum alloy | Carbon fibre, magnesium alloy |
DISPLAY | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Screen Size (Type) | 14" - IPS | 14" |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | - |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 300 cd/m² | - |
Features | Anti-glare | - |
PROCESSOR | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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CPU | Intel Core i5 (5th Gen) 5300U / 2.3 GHz | No CPU |
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Max Turbo Speed | 2.9 GHz | - |
Number of Cores | Dual-Core | - |
Cache | 3 MB | - |
64-bit Computing | Yes | - |
Platform Technology | Intel vPro Platform | - |
Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | - |
MEMORY | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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RAM | 4 GB (provided memory is soldered) | (provided memory is soldered) |
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Max RAM Supported | 20 GB | - |
RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
Speed | 1600 MHz / PC3L-12800 | 2133 MHz |
Rated Speed | 1600 MHz | 2133 MHz |
Form Factor | SO-DIMM 204-pin | - |
Slots Qty | 1 | - |
Empty Slots | 1 | - |
STORAGE | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Main Storage Size (HDD/SSD) | 120 GB SSD | - |
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AUDIO & VIDEO | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Graphics Processor (GPU) | Intel HD Graphics 5500 | Intel UHD Graphics 620 |
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Camera | Yes - 720p | - |
Sound | Stereo speakers, two microphones | Four speakers, quad array microphone |
Codec | Realtek ALC3232 | Realtek ALC3286 |
Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
COMMUNICATIONS | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Wireless | Wi-Fi | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Network Interface | Gigabit Ethernet | - |
BATTERY | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Technology | Lithium Ion | Lithium Ion |
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Max Supported Qty | 2 | - |
Battery Capacity (Size) | - | 51 Wh |
Battery Life | - | Up to 18.3 hours |
AC ADAPTER | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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INPUT | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Interfaces | 3 x USB 3.0 VGA Mini DisplayPort LAN Headphone/microphone combo jack Dock |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector Dock |
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Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
SOFTWARE | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Operating System (OS) | Windows 10 Pro (Microsoft Authorized Refurbisher (MAR)) | - |
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MISCELLANEOUS | Lenovo ThinkPad T450s | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
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Dockable | Yes | Yes |
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Included Accessories | Power adapter | USB-C power adapter |
Security | Trusted Platform Module (TPM 1.2) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
Security Slot Type | Kensington security slot | Kensington mini 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, 1 USB 3.0 (Always On), ThinkEngine, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | RoHS |
ENERGY STAR Certified | Yes | Yes |
Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |