Dell XPS 14 9440 vs Dell XPS 15 L502X

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XPS 14 9440 compared with XPS 15 L502X

	DellXPS 14 9440	DellXPS 15 L502X
Overview
Released
Released	February 2024	2011
Display
Screen size
Screen size	14.5″	15.6″
Resolution
Resolution	1920 × 1200 or 3200 × 2000 (better)	1920 × 1080
Panel
Panel	IPS LCD or OLED	–
Refresh rate
Refresh rate	120 Hz (better)	60 Hz
Brightness
Brightness	500 nits or 400 nits	–
Touchscreen
Touchscreen	No or Yes	No
Display type
Display type	FHD+ (1920 × 1200) WLED IPS, non-touch, anti-glare, 30–120 Hz; or 3.2K (3200 × 2000) OLED touchscreen, anti-reflective, 48–120 Hz	15.6-inch TrueLife LCD; main Full HD RGBLED screen. HD WLED and HD multi-touch WLED options also appear in Dell's setup guide; 1366 × 768 HD resolution confirmed by Notebookcheck
Pixel density
Pixel density	156 ppi (LCD); 260 ppi (OLED)	–
Colour range
Colour range	100% sRGB (LCD); 100% DCI-P3 (OLED)	–
Screen finish
Screen finish	Anti-glare (LCD); anti-reflective (OLED)	Glossy TrueLife surface
Display features
Display features	2000:1 contrast, 24 ms response (LCD); OLED 400 nits typical, 1,000,000:1 contrast, 1 ms response; TÜV Rheinland low blue light	60 Hz refresh and up to 135° opening in the maker guide. Notebookcheck measured 262.2 cd/m² average brightness on the tested Full HD panel; maker brightness is not published
Performance
Processor
Processor	Intel Core Ultra 7 155H or Intel Core Ultra 7 165H	Intel Core i5-2410M
CPU cores
CPU cores	16	2
CPU threads
CPU threads	22	4
Graphics
Graphics	Intel Arc Graphics or NVIDIA GeForce RTX 4050	NVIDIA GeForce GT 540M
AI engine (NPU)
AI engine (NPU)	11 TOPS	–
Memory
Memory	16 GB or 64 GB (better)	4 GB
Storage
Storage	512 GB to 4 TB (better)	500 GB
CPU
CPU	Intel Core Ultra 7 155H (up to 4.8 GHz) or Core Ultra 7 165H (up to 5 GHz); 16 cores, 22 threads, 28 W	Second-generation Core i3, i5 or i7 options with Intel HM67 chipset. Listed Core i5-2410M, 4 GB, 500 GB and Full HD pairing is the exact April 2011 European Notebookcheck configuration
GPU
GPU	Intel Arc Graphics; or NVIDIA GeForce RTX 4050 with 6 GB GDDR6	Intel HD Graphics with NVIDIA Optimus; GeForce GT 525M with 1 GB DDR3 or GeForce GT 540M with 2 GB DDR3
AI engine
AI engine	Intel AI Boost NPU	–
Memory type
Memory type	LPDDR5X, soldered, dual-channel; 16 or 32 GB at 6400 MT/s with integrated graphics; 16, 32 or 64 GB at 7467 MT/s with the RTX 4050	DDR3-1066 or DDR3-1333; two user-accessible SO-DIMM slots, 2 GB minimum and 8 GB maker maximum
Storage type
Storage type	One M.2 slot for a 2230 (up to 1 TB) or 2280 (up to 4 TB) PCIe Gen 4 NVMe SSD	Listed configuration has a 500 GB 7200 rpm SATA hard drive and Blu-ray combo drive. Hard-drive replacement requires further disassembly than the memory cover, according to Notebookcheck
Battery and size
Battery capacity
Battery capacity	70 Wh	–
Weight
Weight	1.68 kg	–
Thickness
Thickness	18.03 mm (better)	38.2 mm
Width × depth
Width × depth	320 × 215.98 mm	381 × 265.4 mm
Battery life detail
Battery life detail	70 Wh 6-cell lithium-ion polymer	Six-cell or nine-cell lithium-ion packs, 11.1 V; maker does not publish capacity or a fixed runtime. Notebookcheck identifies its nine-cell pack as 90 Wh. Maker says configurable to less than 2.8 kg with six-cell battery; no exact minimum weight is published. Body height varies from 32.2 to 38.2 mm, and the nine-cell pack raises it further
Charger
Charger	60 W or 100 W USB-C adapter	90 W or 130 W adapter; 100–240 V AC input
Fast charging
Fast charging	ExpressCharge; 0–80% in one hour, 0–100% in two hours	Approximately four hours with the computer switched off
Materials
Materials	CNC-machined aluminium; Gorilla Glass 3	Aluminium surfaces and silver finish described by Notebookcheck
Colours
Colours	Graphite or Platinum	–
Connections
Ports
Ports	3 × Thunderbolt 4, microSD slot, headphone jack	3 × USB-A, HDMI, Ethernet, SD card slot, 2 × headphone jack
Wi-Fi
Wi-Fi	Wi-Fi 6E	Wi-Fi a/b/g/n, depending on installed module
Bluetooth
Bluetooth	5.3	Optional Bluetooth
Webcam
Webcam	1080p with IR	2 MP, 720p video
Operating system
Operating system	Windows	Windows
Port detail
Port detail	3 × Thunderbolt 4 USB-C with Power Delivery and DisplayPort; microSD card reader (v6.0); 3.5 mm headset jack; no lock slot	Two USB 3.0 Type-A and one eSATA/USB combo with PowerShare, HDMI, Mini DisplayPort, Gigabit Ethernet, headphone output, headphone/digital S/PDIF combo and microphone input; nine-format card reader. Optional TV tuner with MCX antenna connector, WWAN, WiMAX and WiDi depend on configuration
External displays
External displays	Up to 3 with the laptop screen on, or 4 with it off (Intel Arc Graphics)	–
Keyboard
Keyboard	Backlit zero-lattice keyboard; capacitive touch function row; Copilot key	QWERTY, AZERTY or Kanji; 87 keys on European layout, optional backlighting
Trackpad
Trackpad	Seamless glass haptic touchpad, 149 × 74 mm	100 × 56 mm active area with separate buttons and multi-touch gestures
Speakers
Speakers	Quad speakers (two tweeters, two woofers), 2 W each (2.5 W peak)	Two 4 W main speakers and 12 W subwoofer; Realtek ALC665 audio controller
Microphones
Microphones	Dual digital-array microphones	–
Biometrics
Biometrics	IR camera for Windows Hello face recognition; fingerprint reader in the power button	–