Lenovo ThinkPad T14s Gen 5 21LS0049US Laptop vs Lenovo ThinkPad X1 Carbon Gen 12 21KC00A7US Laptop
Here you can compare Lenovo ThinkPad T14s Gen 5 21LS0049US … and Lenovo ThinkPad X1 Carbon Gen 12 21KC0…. Comparing Lenovo ThinkPad T14s Gen 5 21LS0049US … vs Lenovo ThinkPad X1 Carbon Gen 12 21KC0… on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Lenovo ThinkPad T14s Gen 5 21LS0049US … stands against Lenovo ThinkPad X1 Carbon Gen 12 21KC0… and which one should you buy The current lowest price found for Lenovo ThinkPad T14s Gen 5 21LS0049US … is $1,578.99 and for Lenovo ThinkPad X1 Carbon Gen 12 21KC0… is $2,406.99. The details of both of these products were last updated on Oct 14, 2026.
| Specification | Lenovo ThinkPad T14s Gen 5 21LS0049US … | Lenovo ThinkPad X1 Carbon Gen 12 21KC0… |
|---|---|---|
| Display | 14 inches | 14 inches |
| CPU | Intel Core Ultra 5 135U | Intel Core Ultra 7 155U |
| GPU | Intel Integrated Graphics | Integrated Intel Graphics |
| RAM | 32 GB LPDDR5x | 32 GB LPDDR5x |
| HDD | ||
| Price | $1,578.99 | $2,406.99 |
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Overview
| Specs Score | 81 / 100 Better Specs | 80 / 100 |
| CPU Clock Speed | 1.6 GHz | 1.7 GHz Faster Clock Speed |
| Thickness | 16.9 mm | 14.96 mm Slimmer |
| Weight | 1.24 kg | 1.08 kg Lighter |
General
| Series | ThinkPad T14s Gen 5 | ThinkPad X1 Carbon Gen 12 |
| Model | 21LS0049US | 21KC00A7US |
| Utility | Everyday Use | Business, Everyday Use |
| OS | Windows 11 Pro (64-bit) | Windows 11 Pro (64-bit) |
| Dimensions | 313.6 x 219.4 x 16.9 mm | 312.8 x 214.75 x 14.96 mm |
| Weight | 1.24 kg | 1.08 kg |
| Warranty | 1 year Warranty | 3 years Warranty |
Display
| Type | IPS | IPS |
| Touch | Yes | Yes |
| Size | 14 inches | 14 inches |
| Resolution | 1920 x 1200 pixels | 1920 x 1200 pixels |
| PPI | ~ 162 PPI | ~ 157 PPI |
| Refresh Rate | 60 Hz | |
| Aspect Ratio | 16:10 | 16:10 |
| Anti Glare Screen | Yes | Yes |
| Features | 45% NTSC, 400 nits, 10-point Multi-Touch | 400 nits, 100% sRGB, Low Power, 10-point Multi-touch |
Connectivity
| Ethernet | No | No |
| WiFi | Intel Wi-Fi 6E AX211, 802.11ax 2x2 | Intel Wi-Fi 6E AX211, 802.11ax 2x2 |
| Bluetooth | v5.3 | v5.3 |
| USB Ports | 2 x USB Type-C, 2 x USB Type-A | 2 x USB Type-C, 2 x USB Type-A |
| USB Port Details | 1 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 1 Type-A (Always On) | 1 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 1 Type-A (Always On) |
| Thunderbolt | 2 x Thunderbolt 4 (USB PD 3.1, DisplayPort 2.1, 40 Gbps) | 2 x Thunderbolt 4 (40 Gbps, USB PD 3.0 and DisplayPort 2.1) |
| HDMI | 1 x HDMI v2.1 Port | 1 x HDMI v2.1 Port |
| Fingerprint Sensor | Yes | Yes |
| Microphone In | Yes | Yes |
| Headphone Jack | Yes | Yes |
| Security Lock Port | Kensington Nano Security Lock Slot | Kensington Nano Security Slot, 2.5 x 6 mm |
Input
| Camera | Yes, 5 MP | FHD 1080p + IR Discrete with Privacy Shutter |
| Keyboard | Backlit, English | |
| Keyboard Backlit | Yes | Yes |
| Touchpad | Yes | Yes |
| Inbuilt Microphone | 2 x 360° Microphones | Dual Array Digital Microphones |
| Speakers | 2 x 2W | 2 x 2W |
| Optical Drive | No | No |
Processor
| Processor | Intel Core Ultra 5 135U | Intel Core Ultra 7 155U |
| Speed | 2 x 1.6 GHz (Turbo Speed upto 4.4 GHz) Performance Cores 8 x 1.1 GHz (Turbo Speed upto 3.6 GHz) Efficient Cores 2 x 700 MHz (Turbo Speed upto 2.1 GHz) Low Power Efficient Cores | 2 x 1.7 GHz (Turbo Speed upto 4.8 GHz) Performance Cores 8 x 1.2 GHz (Turbo Speed upto 3.8 GHz) Efficient Cores 2 x 700 MHz (Turbo Speed upto 2.1 GHz) Low Power Efficient Cores |
| Cores | 12 Cores (2P + 8E + 2LP-E), 14 Threads | 12 Cores (2P + 8E + 2LP-E), 14 Threads |
| Cache | 12 MB | 12 MB |
| Brand | Intel | Intel |
| Series | Core Ultra 5 | Core Ultra 7 |
| Model | 135U | 155U |
| Generation | Intel Core Ultra Series 1 | Intel Core Ultra Series 1 |
Graphics
| GPU | Intel Integrated Graphics | Integrated Intel Graphics |
| Brand | Intel | Intel |
Memory
| RAM | 32 GB LPDDR5x | 32 GB LPDDR5x |
| RAM Bus Speed | 6400 MHz | 6400 MHz |
| Maximum RAM Supported | Upto 32 GB | |
| Solid State Drive | 512 GB SSD | 512 GB SSD |
| SSD Interface | NVMe PCIe Gen4 | NVMe PCIe Gen4 |
Battery
| Battery | 58 Wh Battery | 57 Wh Battery |
| Adapter Type | 65W USB-C Adapter | 65W USB-C Slim (2-pin) Power Adapter |
Extra
| Included Software | Intel Connectivity Performance Suite | |
| Other Features | Integrated Intel AI Boost, up to 11 TOPS, Carbon Fiber (Top), Aluminium (Bottom), Discrete TPM 2.0 Enabled |
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