Lenovo ThinkPad X240 vs Lenovo ThinkPad X390

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

Only show differences

Better figure, where one is clearly better

Share comparison

ThinkPad X240 compared with ThinkPad X390

	LenovoThinkPad X240	LenovoThinkPad X390
Overview
Released
Released	October 2013	March 2019
Display
Screen size
Screen size	12.5″	13.3″
Resolution
Resolution	1366 × 768 or 1920 × 1080	1920 × 1080
Panel
Panel	TN LCD or IPS LCD	IPS LCD
Brightness
Brightness	200 nits, 300 nits or 400 nits (better)	300 nits
Touchscreen
Touchscreen	No or Yes	Yes
Display type
Display type	12.5-inch HD TN (200 nits), HD IPS (300 nits), or Full HD IPS (400 nits); optional ten-finger touch	Listed FHD ten-point-touch IPS panel, 72% NTSC; optional FHD non-touch IPS, HD 1366 × 768 TN at 250 nits or Privacy Guard FHD IPS at 400 nits
Screen finish
Screen finish	Anti-glare	Anti-glare
Performance
Processor
Processor	Intel Core i5-4200U or Intel Core i5-4300U	Intel Core i7-8565U
CPU cores
CPU cores	2	4
CPU threads
CPU threads	4	8
Graphics
Graphics	Intel HD Graphics 4400	Intel UHD Graphics
Memory
Memory	4 GB or 8 GB	16 GB (better)
Storage
Storage	128 GB to 500 GB	512 GB (better)
CPU
CPU	Fourth-generation Intel Core i3, i5 and i7 dual-core low-voltage processors; SoC platform	8th-generation Core i3/i5/i7; later 10th-generation Core i5/i7 outside EMEA; listed combination verified by Windows Central; available by March 2019 according to contemporaneous Notebookcheck coverage, ahead of maker's planned May launch
GPU
GPU	Integrated Intel HD Graphics 4400	Integrated Intel UHD Graphics; no separate graphics option
Memory type
Memory type	DDR3L-1600; one SO-DIMM socket, up to 8 GB	DDR4-2400 soldered to system board; no sockets; 4, 8, 16 or 32 GB; 32 GB unavailable on later 10th-generation models
Storage type
Storage type	Removable 2.5-inch SATA HDD, SSD or SSHD; optional M.2 SSD shares space with WWAN or smart card reader, depending on slot	One replaceable M.2 SATA or PCIe NVMe drive; PCIe 3.0 ×4 for 2280 or ×2 for 2242; listed 512 GB PCIe NVMe drive (Windows Central)
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 8.7 hours	Up to 17.6 hours
Battery capacity
Battery capacity	–	48 Wh
Weight
Weight	1.42 kg	1.28 kg (better)
Thickness
Thickness	19.9 mm	16.9 mm (better)
Width × depth
Width × depth	305.5 × 208.5 mm	311.9 × 217.2 mm
Battery life detail
Battery life detail	Optional internal 23.5 Wh battery; removable external 23.5 Wh, 47.5 Wh or 72 Wh battery; internal plus 23.5 Wh external up to 8.7 hours, plus 47.5 Wh up to 13.1 hours, plus 72 Wh up to 17.4 hours; weight shown with internal and three-cell external batteries, non-touch	Integrated 48 Wh; up to 17.6 hours MobileMark 2014 or 19 hours JEITA 2.0; Rapid Charge up to 80% in one hour with 65 W adapter; weight and dimensions shown for PPS touch configuration, non-touch carbon-fibre FHD starts at 1.22 kg and 16.5 mm thickness
Charger
Charger	45 W	45 W or 65 W USB-C adapter
Materials
Materials	Glass-fibre reinforced plastic	PPS or carbon-fibre display cover; magnesium-aluminium bottom; carbon-fibre cover offered only with non-touch FHD
Colours
Colours	Black	Black
Connections
Ports
Ports	2 × USB-A, Ethernet, SD card slot, headphone jack	2 × USB-A, 2 × USB-C, Thunderbolt, HDMI, microSD slot, headphone jack
Wi-Fi
Wi-Fi	802.11b/g/n or 802.11a/b/g/n; optional 802.11ac	Intel Wireless-AC 9560, 2×2 802.11ac; optional Wi-Fi 6 AX200
Bluetooth
Bluetooth	Optional Bluetooth 4.0	Bluetooth 5.1 in current PSREF; earlier Windows configurations reported as 5.0
Webcam
Webcam	Optional 720p	Optional 720p or IR plus 720p hybrid, with ThinkShutter
Operating system
Operating system	Windows	Windows
Port detail
Port detail	Two USB 3.0 (one Always On), VGA, Mini DisplayPort, Gigabit Ethernet, combo audio jack, SD/MMC/SDHC/SDXC reader, optional smart card and SIM slot; docking connector	Two USB-A 3.1 Gen 1, USB-C Gen 1 and USB-C Gen 2/Thunderbolt 3 with PD/DisplayPort, HDMI 1.4b, Ethernet extension connector, combo audio and side dock; optional microSD or microSD/nano-SIM combo slot, smart card reader; RJ-45 requires ThinkPad Ethernet Extension Adapter Gen 2
External displays
External displays	Three independent displays; Mini DisplayPort up to 3840 × 2160 at 30 Hz on integrated graphics; VGA up to 1920 × 1200 at 60 Hz	Up to three independent displays; HDMI up to 4096 × 2160 at 24 Hz, Thunderbolt up to 4096 × 2304 at 60 Hz
Keyboard
Keyboard	Six-row spill-resistant keyboard; TrackPoint; optional backlight	Six-row spill-resistant keyboard with optional LED backlight; removable without taking apart the main chassis (Notebookcheck)
Trackpad
Trackpad	UltraNav multi-touch touchpad; five buttons integrated into the clickpad	Mylar multi-touch touchpad and TrackPoint
Speakers
Speakers	1.5 W × 2 stereo speakers	Stereo speakers, 1 W × 2, Dolby Audio Premium
Microphones
Microphones	Dual-array microphone	Dual-array far-field microphones; no-microphone option for special bids
Biometrics
Biometrics	Optional swipe fingerprint reader; TPM 1.2	Optional match-on-chip fingerprint reader or IR camera; discrete TPM 2.0