Dell XPS 16 9640 vs Dell XPS M1530

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XPS 16 9640 compared with XPS M1530

	DellXPS 16 9640	DellXPS M1530
Overview
Released
Released	February 2024	2007
Display
Screen size
Screen size	16.3″	15.4″
Resolution
Resolution	1920 × 1200 or 3840 × 2400 (better)	1280 × 800 or 1440 × 900
Panel
Panel	IPS LCD or OLED	–
Refresh rate
Refresh rate	120 Hz or 90 Hz (better)	60 Hz
Brightness
Brightness	500 nits or 400 nits (better)	220 nits or 250 nits
Touchscreen
Touchscreen	No or Yes	No
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	15.4-inch TrueLife LCD; main screen is the original 1280 × 800 CCFL option at 60 Hz and 220 cd/m². Revised maker manual also lists 1440 × 900 CCFL at 250 cd/m², 1440 × 900 WLED at 300 cd/m² and 1680 × 1050 CCFL at 200 cd/m²
Pixel density
Pixel density	139 ppi (LCD); 278.1 ppi (OLED)	–
Colour range
Colour range	100% sRGB (LCD); 100% DCI-P3 (OLED)	–
Screen finish
Screen finish	Anti-glare (LCD); anti-reflective, anti-smudge (OLED)	Glossy TrueLife surface
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	Up to 140° opening angle in Dell's manual
Performance
Processor
Processor	Intel Core Ultra 7 155H or Intel Core Ultra 9 185H	Intel Core 2 Duo T7500
CPU cores
CPU cores	16	2
CPU threads
CPU threads	22	–
Graphics
Graphics	Intel Arc Graphics or NVIDIA GeForce RTX 4070	NVIDIA GeForce 8600M GT
AI engine (NPU)
AI engine (NPU)	11 TOPS	–
Memory
Memory	16 GB or 64 GB (better)	2 GB
Storage
Storage	512 GB to 4 TB (better)	160 GB
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 2 Duo options; listed T7500, 2 GB and 160 GB pairing with 1440 × 900 display is the exact January 2008 US Laptop Mag review configuration. Later revised owner manual adds 45 nm Core 2 and Japan-only Celeron options
GPU
GPU	Intel Arc Graphics; or NVIDIA GeForce RTX 4050 (6 GB GDDR6), RTX 4060 (8 GB GDDR6) or RTX 4070 (8 GB GDDR6)	GeForce 8400M GS with 128 MB or GeForce 8600M GT with 256 MB dedicated DDR3 memory. Dell's revised manual labels the second GPU 8600M GS; the launch announcement describes DirectX 10 support and both exact-model reviews identify 8600M GT in tested configurations
AI engine
AI engine	Intel AI Boost NPU	–
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)	Two user-accessible DDR2-667 SO-DIMM slots; revised maker manual maximum 8 GB, while December 2007 Notebookcheck review states 4 GB
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	Internal replaceable hard drive; listed US review configuration has a 160 GB 5400 rpm drive and optional slot-loading Blu-ray. Slot-loading DVD±RW was also available
Battery and size
Battery capacity
Battery capacity	99.5 Wh	–
Weight
Weight	2.13 kg (better)	2.67 kg
Thickness
Thickness	18.7 mm (better)	35.1 mm
Width × depth
Width × depth	358.18 × 240.05 mm	357 × 263 mm
Battery life detail
Battery life detail	99.5 Wh 6-cell lithium-ion	Six-cell and nine-cell smart lithium-ion packs; Dell publishes 11.1 V but no Wh capacity or runtime claim. Notebookcheck identifies 56 Wh and 85 Wh options. Main weight describes the six-cell configuration; thickness varies from 23.7 to 35.1 mm in the maker manual
Charger
Charger	130 W USB-C adapter	65 W or 90 W adapter; 100–240 V AC input
Fast charging
Fast charging	ExpressCharge; full charge in about 2 hours with the laptop off	Approximately three hours with the computer switched off
Materials
Materials	CNC-machined aluminium; Gorilla Glass 3	Brushed aluminium accents; aluminium, magnesium and steel chassis components described by Notebookcheck
Colours
Colours	Graphite or Platinum	Tuxedo Black, Crimson Red and Alpine White in Dell's reproduced introduction announcement
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 7	–
Bluetooth
Bluetooth	5.4	Optional Bluetooth
Webcam
Webcam	1080p with IR	2 MP
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	Three USB 2.0 Type-A, HDMI, VGA, seven-pin S-Video, four-pin IEEE 1394, 10/100 Ethernet, two headphone outputs and microphone input; ExpressCard/34 or /54 slot and eight-format card reader. WLAN, optional WWAN, UWB and Bluetooth in Dell's manual; wireless standards depend on the installed card
Keyboard
Keyboard	Backlit zero-lattice keyboard; capacitive touch function row; Copilot key	86 keys US/Canada, 87 Europe, 90 Japan or 88 Brazil; QWERTY, AZERTY or Kanji layouts
Trackpad
Trackpad	Seamless glass haptic touchpad, 148 × 90 mm	71.7 × 34.0 mm active area; separate buttons
Speakers
Speakers	Quad speakers (two woofers at 3 W, two tweeters at 2 W)	Two speakers, 2 W per channel; Sigmatel STAC9228 audio controller
Microphones
Microphones	Digital-array microphones	–
Biometrics
Biometrics	IR camera for Windows Hello face recognition; fingerprint reader in the power button	Fingerprint reader included in the reproduced Dell launch announcement