Dell XPS 13 L321X vs Lenovo ThinkPad X390

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XPS 13 L321X compared with ThinkPad X390

	DellXPS 13 L321X	LenovoThinkPad X390
Overview
Released
Released	February 2012	March 2019
Display
Screen size
Screen size	13.3″	13.3″
Resolution
Resolution	1366 × 768	1920 × 1080 (better)
Panel
Panel	–	IPS LCD
Brightness
Brightness	300 nits	300 nits
Touchscreen
Touchscreen	No	Yes
Display type
Display type	HD WLED LCD; hardened edge-to-edge Corning Gorilla Glass. Maker does not publish panel technology or refresh rate	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	Glossy glass surface	Anti-glare
Display features
Display features	Initial Sandy Bridge L321X screen; later Ivy Bridge and Full HD revisions are separate. Notebookcheck measured 276.7 cd/m² average brightness and 162:1 contrast on its pre-production unit	–
Performance
Processor
Processor	Intel Core i5-2467M	Intel Core i7-8565U
CPU cores
CPU cores	2	4
CPU threads
CPU threads	4	8
Graphics
Graphics	Intel HD Graphics 3000	Intel UHD Graphics
Memory
Memory	4 GB	16 GB (better)
Storage
Storage	128 GB to 256 GB	512 GB (better)
CPU
CPU	Second-generation Intel Core i5-2467M or Core i7-2637M. Listed i5 configurations are the February 2012 US options documented by Laptop Mag; i7 was paired with 256 GB storage	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 3000; no dedicated graphics option	Integrated Intel UHD Graphics; no separate graphics option
Memory type
Memory type	4 GB DDR3-1333, soldered and not upgradeable	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	128 GB or 256 GB mSATA solid-state drive; replacement procedure in Dell's owner manual	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 17.6 hours
Battery capacity
Battery capacity	47 Wh	48 Wh (better)
Weight
Weight	1.35 kg	1.28 kg (better)
Thickness
Thickness	18.2 mm	16.9 mm (better)
Width × depth
Width × depth	316 × 205 mm	311.9 × 217.2 mm
Battery life detail
Battery life detail	Built-in six-cell battery; launch claim up to eight hours 53 minutes, with usage conditions affecting runtime. Regulatory sheet gives 1.35 kg depending on installed options and 6.0–18.2 mm height; launch release instead states starting weight 1.36 kg and rounded 6–18 mm dimensions	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 AC adapter	45 W or 65 W USB-C adapter
Materials
Materials	Machined aluminium lid and carbon-fibre composite base	PPS or carbon-fibre display cover; magnesium-aluminium bottom; carbon-fibre cover offered only with non-touch FHD
Colours
Colours	–	Black
Connections
Ports
Ports	2 × USB-A, headphone jack	2 × USB-A, 2 × USB-C, Thunderbolt, HDMI, microSD slot, headphone jack
Wi-Fi
Wi-Fi	Intel Centrino Advanced-N 6230, Wi-Fi a/g/n	Intel Wireless-AC 9560, 2×2 802.11ac; optional Wi-Fi 6 AX200
Bluetooth
Bluetooth	Bluetooth 3.0	Bluetooth 5.1 in current PSREF; earlier Windows configurations reported as 5.0
Webcam
Webcam	1.3 MP with dual-array digital microphones	Optional 720p or IR plus 720p hybrid, with ThinkShutter
Operating system
Operating system	Windows	Windows
Port detail
Port detail	One USB 3.0 Type-A, one USB 2.0 Type-A with PowerShare, Mini DisplayPort and combined headphone/microphone jack. No HDMI, Ethernet or card reader	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	–	Up to three independent displays; HDMI up to 4096 × 2160 at 24 Hz, Thunderbolt up to 4096 × 2304 at 60 Hz
Keyboard
Keyboard	Full-size backlit chiclet keyboard	Six-row spill-resistant keyboard with optional LED backlight; removable without taking apart the main chassis (Notebookcheck)
Trackpad
Trackpad	Glass touchpad with integrated buttons and multi-touch gestures	Mylar multi-touch touchpad and TrackPoint
Speakers
Speakers	High-definition audio with Waves MaxxAudio 4	Stereo speakers, 1 W × 2, Dolby Audio Premium
Microphones
Microphones	–	Dual-array far-field microphones; no-microphone option for special bids
Biometrics
Biometrics	–	Optional match-on-chip fingerprint reader or IR camera; discrete TPM 2.0