Lenovo ThinkPad T14s Gen 6 (Snapdragon) vs Lenovo ThinkPad T400

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

ThinkPad T14s Gen 6 (Snapdragon) compared with ThinkPad T400

	LenovoThinkPad T14s Gen 6 (Snapdragon)	LenovoThinkPad T400
Overview
Released
Released	June 2024	August 2008
Display
Screen size
Screen size	14″	14.1″
Resolution
Resolution	1920 × 1200 or 2880 × 1800 (better)	1280 × 800
Panel
Panel	IPS LCD or OLED	–
Refresh rate
Refresh rate	60 Hz or 120 Hz	–
Brightness
Brightness	400 nits (better)	185 nits
Touchscreen
Touchscreen	No or Yes	No
Display type
Display type	WUXGA IPS (400-nit on-cell touch or 400-nit low-power non-touch) or 2.8K OLED (non-touch), all 16:10	14.1-inch WXGA or WXGA+ LCD; CCFL and LED options; listed configurations use the 185-nit WXGA CCFL panel
Colour range
Colour range	45% NTSC (touch IPS); 100% sRGB (low-power IPS); 100% DCI-P3 (OLED)	–
Screen finish
Screen finish	Anti-glare (IPS); anti-glare, anti-reflection and anti-smudge (OLED)	Anti-glare
Display features
Display features	IPS 800:1 (touch) or 1,000:1 (low power) contrast; OLED 100,000:1 contrast, 120 Hz, DisplayHDR True Black 500 and Dolby Vision; 3M DBEF5 on the touch panel; Eyesafe Certified 2.0; 87.5% screen-to-body ratio	–
Performance
Processor
Processor	Qualcomm Snapdragon X Plus X1P-42-100 or Qualcomm Snapdragon X Elite X1E-78-100	Intel Core 2 Duo P8400 or Intel Core 2 Duo P8600
CPU cores
CPU cores	8 or 12	2
Graphics
Graphics	Qualcomm Adreno X1-45 or Qualcomm Adreno X1-85	Intel Graphics Media Accelerator 4500MHD
AI engine (NPU)
AI engine (NPU)	45 TOPS	–
Memory
Memory	16 GB, 32 GB or 64 GB (better)	2 GB
Storage
Storage	512 GB to 1 TB (better)	128 GB to 160 GB
CPU
CPU	Snapdragon X Elite X1E-78-100 (12 cores, up to 3.4 GHz) or Snapdragon X Plus X1P-42-100 (8 cores)	Intel Core 2 Duo with 1066 MHz front-side bus; listed configurations are factory 7417-T1U and 7417-PAU
GPU
GPU	Integrated Qualcomm Adreno GPU, shared memory, DirectX 12	Intel GMA 4500MHD in the GM45 chipset on listed configurations; optional ATI Mobility Radeon HD 3470 with switchable graphics on other models
AI engine
AI engine	Copilot+ PC; Qualcomm Hexagon NPU up to 45 TOPS	–
Memory type
Memory type	LPDDR5X-8448 (LPDDR5X-8533 fitted), soldered, dual-channel, not upgradable	DDR3-1066 PC3-8500; two SO-DIMM sockets, up to 8 GB
Storage type
Storage type	One M.2 2242 PCIe 4.0 x4 slot; NVMe SSD up to 1 TB, Opal 2.0	Removable 2.5-inch SATA HDD or 1.8-inch SATA SSD; listed configurations have 160 GB 5400 rpm HDD and 128 GB SSD respectively; optional second disk in Ultrabay
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 34.9 hours	Up to 6.5 hours
Battery capacity
Battery capacity	58 Wh	–
Weight
Weight	1.24 kg (better)	2.3 kg
Thickness
Thickness	16.9 mm (better)	32 mm
Width × depth
Width × depth	313.6 × 219.4 mm	335.5 × 270 mm
Battery life detail
Battery life detail	58 Wh Li-ion; Snapdragon X1E-78-100 with low-power WUXGA non-touch, JEITA 3.0 up to 19.32 hr video and 37.37 hr idle, local video up to 34.9 hr; with WUXGA touch, local video up to 30.4 hr	Four-, six- or nine-cell removable battery; six-cell up to 6.5 hours, six-cell plus Ultrabay battery up to 8 hours, nine-cell up to 9.8 hours; dimensions and starting weight shown with six-cell battery
Charger
Charger	65 W USB-C (PD 3.0) adapter, including slim and slim GaN versions; offerings vary by country	65 W adapter with integrated graphics; 90 W for discrete graphics
Fast charging
Fast charging	Rapid Charge to 80% in 1 hour with the 65 W adapter (when off, in standby or hibernating)	–
Materials
Materials	Carbon-fibre-reinforced plastic top cover; aluminium bottom cover	Super-Elastic PolyCarbonate lid, carbon-fibre reinforced plastic bottom and magnesium roll cages
Colours
Colours	Black	Black
Connections
Ports
Ports	2 × USB4, 2 × USB-A, HDMI, headphone jack	3 × USB-A, Ethernet, headphone jack
Wi-Fi
Wi-Fi	Wi-Fi 7	802.11a/b/g/n; optional WiMAX
Bluetooth
Bluetooth	5.3	Optional Bluetooth 2.1
Webcam
Webcam	1080p with IR	Optional 1.3-megapixel fixed-focus camera
Operating system
Operating system	Windows	Windows
Port detail
Port detail	2 × USB-C (USB4 40 Gbps) with USB PD 15–65 W and DisplayPort 1.4a; 2 × USB-A 5 Gbps (one Always On); HDMI 2.1 up to 4K 60 Hz; 3.5 mm headphone/mic combo jack; nano-SIM slot on 5G models	Three USB 2.0, VGA, Gigabit Ethernet, RJ-11 modem, FireWire 400, separate microphone and headphone jacks, ExpressCard/54 and docking connector; PC Card and seven-format card reader vary by model
External displays
External displays	Up to three external displays (four including the built-in); USB-C up to 5K 60 Hz, HDMI up to 4K 60 Hz	VGA up to 2048 × 1536 at 75 Hz; DVI pass-through via compatible optional dock
Keyboard
Keyboard	6-row, spill-resistant, backlit; 1.5 mm key travel (1.35 mm on Fn row and G/H/B); Copilot key; TrackPoint	89-key spill-resistant keyboard; ThinkLight illuminates the keys
Trackpad
Trackpad	Mylar 3-button trackpad, 60 × 115 mm	UltraNav touchpad and TrackPoint with separate buttons
Speakers
Speakers	Stereo 2 W × 2, Dolby Audio	Stereo speakers, 1 W
Microphones
Microphones	Dual-microphone array, 360° far-field	Digital microphone
Biometrics
Biometrics	Fingerprint reader in the power button (match-on-chip); IR camera for Windows Hello	Optional swipe fingerprint reader; TPM 1.2