Dell XPS 15 L502X vs Lenovo ThinkPad P16s Gen 4 (Intel)

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XPS 15 L502X compared with ThinkPad P16s Gen 4 (Intel)

	DellXPS 15 L502X	LenovoThinkPad P16s Gen 4 (Intel)
Overview
Released
Released	2011	July 2025
Display
Screen size
Screen size	15.6″	16″
Resolution
Resolution	1920 × 1080	1920 × 1200 or 3840 × 2400 (better)
Panel
Panel	–	IPS LCD or OLED
Refresh rate
Refresh rate	60 Hz	60 Hz
Brightness
Brightness	–	400 nits or 500 nits
Touchscreen
Touchscreen	No	No or Yes
Display type
Display type	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	16-inch, 16:10, 60 Hz; WUXGA IPS (400-nit, or 500-nit low power) or WQUXGA (3840 × 2400) OLED with add-on film touch
Colour range
Colour range	–	45% NTSC (400-nit IPS); 100% sRGB (500-nit IPS); 100% DCI-P3 (OLED)
Screen finish
Screen finish	Glossy TrueLife surface	Anti-glare (IPS); anti-reflection and anti-smudge (OLED)
Display features
Display features	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	IPS 1,200:1 contrast with AICCP colour calibration; OLED 400 nits, 100,000:1 contrast and X-Rite factory colour calibration; TÜV Low Blue Light
Performance
Processor
Processor	Intel Core i5-2410M	Intel Core Ultra 5 225H, Intel Core Ultra 7 255H, Intel Core Ultra 7 265H or Intel Core Ultra 9 285H
CPU cores
CPU cores	2	14 or 16
CPU threads
CPU threads	4	14 or 16
Graphics
Graphics	NVIDIA GeForce GT 540M	Intel Arc 130T, NVIDIA RTX PRO 500 Blackwell (6 GB), NVIDIA RTX PRO 1000 Blackwell (8 GB) or Intel Arc 140T
AI engine (NPU)
AI engine (NPU)	–	13 TOPS
Memory
Memory	4 GB	16 GB, 32 GB or 64 GB (better)
Storage
Storage	500 GB	512 GB to 2 TB (better)
CPU
CPU	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	Core Ultra 5 225H (4 P-cores, 8 E-cores, 2 LP E-cores); Core Ultra 7 255H or 265H and Core Ultra 9 285H (6 P-cores, 8 E-cores, 2 LP E-cores); Intel vPro on selected models
GPU
GPU	Intel HD Graphics with NVIDIA Optimus; GeForce GT 525M with 1 GB DDR3 or GeForce GT 540M with 2 GB DDR3	Integrated Intel Arc 130T or 140T (Intel Graphics with single-channel memory); optional NVIDIA RTX PRO 500 Blackwell (6 GB GDDR7, 294 AI TOPS) or RTX PRO 1000 Blackwell (8 GB GDDR7, 440 AI TOPS)
AI engine
AI engine	–	AI PC; Intel AI Boost NPU up to 13 TOPS
Memory type
Memory type	DDR3-1066 or DDR3-1333; two user-accessible SO-DIMM slots, 2 GB minimum and 8 GB maker maximum	Two slots, DDR5-5600 SODIMM (8–32 GB modules) or DDR5-6400 CSODIMM (32 or 48 GB modules), non-ECC, up to 96 GB
Storage type
Storage type	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	One M.2 2280 PCIe 4.0 x4 slot (PCIe 5.0 SSDs run at PCIe 4.0 speed); NVMe SSD up to 2 TB, Opal 2.0
Battery and size
Battery capacity
Battery capacity	–	75 Wh
Weight
Weight	–	1.82 kg
Thickness
Thickness	38.2 mm	18.17 mm (better)
Width × depth
Width × depth	381 × 265.4 mm	361.5 × 248.6 mm
Battery life detail
Battery life detail	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	57 Wh or 75 Wh Li-ion; Lenovo publishes no battery life figures
Charger
Charger	90 W or 130 W adapter; 100–240 V AC input	100 W USB-C slim adapter (PD 3.0)
Fast charging
Fast charging	Approximately four hours with the computer switched off	Rapid Charge to 80% in 1 hour (when off, in standby or hibernating)
Materials
Materials	Aluminium surfaces and silver finish described by Notebookcheck	Aluminium top and bottom covers
Colours
Colours	–	Black
Connections
Ports
Ports	3 × USB-A, HDMI, Ethernet, SD card slot, 2 × headphone jack	2 × Thunderbolt 4, 2 × USB-A, HDMI, Ethernet, headphone jack
Wi-Fi
Wi-Fi	Wi-Fi a/b/g/n, depending on installed module	Wi-Fi 7
Bluetooth
Bluetooth	Optional Bluetooth	5.4
Webcam
Webcam	2 MP, 720p video	5MP, optional IR
Operating system
Operating system	Windows	Windows
Port detail
Port detail	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	2 × Thunderbolt 4 with USB PD 3.0; 2 × USB-A 5 Gbps (one Always On); HDMI 2.1 up to 4K 60 Hz; Gigabit Ethernet (RJ-45); 3.5 mm headphone/mic combo jack; optional smart card reader and nano-SIM slot (4G models, not in North America)
External displays
External displays	–	Up to three external displays (four including the built-in), three at 4K 60 Hz; one Thunderbolt display up to 8K 60 Hz or 4K 240 Hz; HDMI up to 4K 60 Hz
Keyboard
Keyboard	QWERTY, AZERTY or Kanji; 87 keys on European layout, optional backlighting	6-row, spill-resistant, backlit, with numeric keypad; Copilot key; TrackPoint
Trackpad
Trackpad	100 × 56 mm active area with separate buttons and multi-touch gestures	Mylar 3-button trackpad, 67 × 115 mm
Speakers
Speakers	Two 4 W main speakers and 12 W subwoofer; Realtek ALC665 audio controller	Stereo 2 W × 2, Dolby Audio
Microphones
Microphones	–	Dual-microphone array, 360° far-field, Dolby Voice
Biometrics
Biometrics	–	Fingerprint reader in the power button (match-on-chip); optional IR camera for Windows Hello