Dell XPS 16 9640 vs Dell XPS 16 DA16260

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XPS 16 9640 compared with XPS 16 DA16260

	DellXPS 16 9640	DellXPS 16 DA16260
Overview
Released
Released	February 2024	January 2026
Display
Screen size
Screen size	16.3″	16″
Resolution
Resolution	1920 × 1200 or 3840 × 2400 (better)	1920 × 1200 or 3200 × 2000
Panel
Panel	IPS LCD or OLED	IPS LCD or OLED
Refresh rate
Refresh rate	120 Hz or 90 Hz	120 Hz
Brightness
Brightness	500 nits or 400 nits	500 nits or 400 nits
HDR peak brightness
HDR peak brightness	–	500 nits
Touchscreen
Touchscreen	No or Yes	No or Yes
Display type
Display type	FHD+ (1920 × 1200) WLED, non-touch, anti-glare, 30–120 Hz; or UHD+ (3840 × 2400) OLED touchscreen with passive pen support, anti-reflective and anti-smudge, 48–90 Hz	2K (1920 × 1200) WLED LCD, non-touch, anti-glare, 1–120 Hz; or 3.2K (3200 × 2000) OLED touchscreen, anti-reflective and anti-smudge, 20–120 Hz
Pixel density
Pixel density	139 ppi (LCD); 278.1 ppi (OLED)	142 ppi (LCD); 235.8 ppi (OLED)
Colour range
Colour range	100% sRGB (LCD); 100% DCI-P3 (OLED)	100% sRGB (LCD); 100% DCI-P3 (OLED)
Screen finish
Screen finish	Anti-glare (LCD); anti-reflective, anti-smudge (OLED)	Anti-glare (LCD); anti-reflective, anti-smudge (OLED)
Display features
Display features	2000:1 contrast, 35 ms response (LCD); OLED 400 nits typical, 1,000,000:1 contrast, 1 ms typical response; Eyesafe hardware low blue light	2000:1 contrast (LCD); OLED 400 nits typical, 500 nits peak, 1,000,000:1 contrast, 1 ms typical response; TÜV Rheinland low blue light; Eyesafe
Performance
Processor
Processor	Intel Core Ultra 7 155H or Intel Core Ultra 9 185H	Intel Core Ultra 5 325, Intel Core Ultra 7 355, Intel Core Ultra X7 358H or Intel Core Ultra X9 388H
CPU cores
CPU cores	16	8 or 16
CPU threads
CPU threads	22	8 or 16
Graphics
Graphics	Intel Arc Graphics or NVIDIA GeForce RTX 4070	Intel Graphics or Intel Arc B390 GPU
AI engine (NPU)
AI engine (NPU)	11 TOPS	47 TOPS, 49 TOPS or 50 TOPS (better)
Memory
Memory	16 GB or 64 GB	16 GB, 32 GB or 64 GB
Storage
Storage	512 GB to 4 TB	512 GB to 4 TB
CPU
CPU	Intel Core Ultra 7 155H (up to 4.8 GHz), Core Ultra 7 165H (up to 5 GHz) or Core Ultra 9 185H (up to 5.1 GHz); 16 cores, 22 threads; up to 55 W (integrated graphics) or 20 W + 60 W CPU and GPU in Ultra Performance mode	Core Ultra 5 325 or Core Ultra 7 355 (8 cores, 25 W base, 45 W turbo); Core Ultra X7 358H or X9 388H (16 cores, 25 W base, 65 W turbo); Dell UK also sells a Core Ultra 7 366H
GPU
GPU	Intel Arc Graphics; or NVIDIA GeForce RTX 4050 (6 GB GDDR6), RTX 4060 (8 GB GDDR6) or RTX 4070 (8 GB GDDR6)	Intel Graphics (Core Ultra 5 and 7); Intel Arc B390 graphics with 12 Xe cores (Core Ultra X7 and X9)
AI engine
AI engine	Intel AI Boost NPU	Intel AI Boost NPU, up to 47–50 TOPS depending on processor; Copilot+ PC
Memory type
Memory type	LPDDR5X, soldered; 16 GB at 6400 MT/s (Intel Arc); 16, 32 or 64 GB at 6400 MT/s (RTX 4050 and 4060); 32 or 64 GB at 7467 MT/s (RTX 4070)	LPDDR5X, soldered; 16 GB at 7467 MT/s (Core Ultra 5 and 7); 32 or 64 GB at 9600 MT/s (Core Ultra X7 and X9)
Storage type
Storage type	One M.2 slot; 512 GB or 1 TB M.2 2230, or 1, 2 or 4 TB M.2 2280, PCIe Gen 4 NVMe SSD	One M.2 slot; 512 GB or 1 TB M.2 2230 PCIe Gen 4 SSD, or 2 TB or 4 TB M.2 2280 PCIe Gen 5 SSD
Cooling
Cooling	–	Fans, which Dell says are its largest and thinnest yet; bursts up to 65 W
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	–	Up to 31 hours
Battery capacity
Battery capacity	99.5 Wh (better)	70 Wh
Weight
Weight	2.13 kg	1.74 kg (better)
Thickness
Thickness	18.7 mm	15.4 mm (better)
Width × depth
Width × depth	358.18 × 240.05 mm	352.58 × 237.47 mm
Battery life detail
Battery life detail	99.5 Wh 6-cell lithium-ion	70 Wh 3-cell; up to 31 hours of Netflix streaming with the 2K LCD (250 nits) or 17 hours with the OLED (Core Ultra X7 358H, 200 nits); 43 h 20 min of local video playback (2K LCD, 150 nits), all Dell tests
Charger
Charger	130 W USB-C adapter	100 W USB-C adapter (can be left out in the UK)
Fast charging
Fast charging	ExpressCharge; full charge in about 2 hours with the laptop off	ExpressCharge Boost with the 100 W adapter; 0–35% in 20 minutes, 0–80% in one hour
Materials
Materials	CNC-machined aluminium; Gorilla Glass 3	CNC aluminium top and bottom covers; Gorilla Glass 3 palm rest
Colours
Colours	Graphite or Platinum	Graphite
Connections
Ports
Ports	3 × Thunderbolt 4, microSD slot, headphone jack	3 × Thunderbolt 4, headphone jack
Wi-Fi
Wi-Fi	Wi-Fi 7	Wi-Fi 7
Bluetooth
Bluetooth	5.4	6
Webcam
Webcam	1080p with IR	8MP with IR
Operating system
Operating system	Windows	Windows
Port detail
Port detail	3 × Thunderbolt 4 USB-C with USB4, DisplayPort and Power Delivery (RTX 4070 models have 2 × Thunderbolt 4 on the left and 1 × USB 3.2 Gen 2 USB-C on the right); microSD card reader (v6.0); 3.5 mm headset jack; no lock slot	3 × Thunderbolt 4 USB-C with USB4, DisplayPort 2.1 and Power Delivery; 3.5 mm headset jack; lock slot through the USB-C ports
Keyboard
Keyboard	Backlit zero-lattice keyboard; capacitive touch function row; Copilot key	Backlit zero-lattice keyboard; capacitive touch function row
Trackpad
Trackpad	Seamless glass haptic touchpad, 148 × 90 mm	Seamless glass haptic touchpad, 150 × 90 mm
Speakers
Speakers	Quad speakers (two woofers at 3 W, two tweeters at 2 W)	Quad speakers (two woofers, two tweeters), 10 W total
Microphones
Microphones	Digital-array microphones	Dual digital-array microphones
Biometrics
Biometrics	IR camera for Windows Hello face recognition; fingerprint reader in the power button	IR camera for Windows Hello face recognition
In the box
In the box	–	Laptop and 100 W USB-C power adapter (unless ordered without)