Dell XPS 14 9440 vs Dell XPS M1530

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

XPS 14 9440 compared with XPS M1530
DellXPS 14 9440DellXPS M1530
Overview
ReleasedFebruary 20242007
Display
Screen size14.5″15.4″
Resolution1920 × 1200 or 3200 × 2000 (better)1280 × 800 or 1440 × 900
PanelIPS LCD or OLED–
Refresh rate120 Hz (better)60 Hz
Brightness500 nits or 400 nits (better)220 nits or 250 nits
TouchscreenNo or YesNo
Display typeFHD+ (1920 × 1200) WLED IPS, non-touch, anti-glare, 30–120 Hz; or 3.2K (3200 × 2000) OLED touchscreen, anti-reflective, 48–120 Hz15.4-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 density156 ppi (LCD); 260 ppi (OLED)–
Colour range100% sRGB (LCD); 100% DCI-P3 (OLED)–
Screen finishAnti-glare (LCD); anti-reflective (OLED)Glossy TrueLife surface
Display features2000:1 contrast, 24 ms response (LCD); OLED 400 nits typical, 1,000,000:1 contrast, 1 ms response; TÜV Rheinland low blue lightUp to 140° opening angle in Dell's manual
Performance
ProcessorIntel Core Ultra 7 155H or Intel Core Ultra 7 165HIntel Core 2 Duo T7500
CPU cores162
CPU threads22–
GraphicsIntel Arc Graphics or NVIDIA GeForce RTX 4050NVIDIA GeForce 8600M GT
AI engine (NPU)11 TOPS–
Memory16 GB or 64 GB (better)2 GB
Storage512 GB to 4 TB (better)160 GB
CPUIntel Core Ultra 7 155H (up to 4.8 GHz) or Core Ultra 7 165H (up to 5 GHz); 16 cores, 22 threads, 28 WCore 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
GPUIntel Arc Graphics; or NVIDIA GeForce RTX 4050 with 6 GB GDDR6GeForce 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 engineIntel AI Boost NPU–
Memory typeLPDDR5X, 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 4050Two user-accessible DDR2-667 SO-DIMM slots; revised maker manual maximum 8 GB, while December 2007 Notebookcheck review states 4 GB
Storage typeOne M.2 slot for a 2230 (up to 1 TB) or 2280 (up to 4 TB) PCIe Gen 4 NVMe SSDInternal 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 capacity70 Wh–
Weight1.68 kg (better)2.67 kg
Thickness18.03 mm (better)35.1 mm
Width × depth320 × 215.98 mm357 × 263 mm
Battery life detail70 Wh 6-cell lithium-ion polymerSix-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
Charger60 W or 100 W USB-C adapter65 W or 90 W adapter; 100–240 V AC input
Fast chargingExpressCharge; 0–80% in one hour, 0–100% in two hoursApproximately three hours with the computer switched off
MaterialsCNC-machined aluminium; Gorilla Glass 3Brushed aluminium accents; aluminium, magnesium and steel chassis components described by Notebookcheck
ColoursGraphite or PlatinumTuxedo Black, Crimson Red and Alpine White in Dell's reproduced introduction announcement
Connections
Ports3 × Thunderbolt 4, microSD slot, headphone jack3 × USB-A, HDMI, Ethernet, SD card slot, 2 × headphone jack
Wi-FiWi-Fi 6E–
Bluetooth5.3Optional Bluetooth
Webcam1080p with IR2 MP
Operating systemWindowsWindows
Port detail3 × Thunderbolt 4 USB-C with Power Delivery and DisplayPort; microSD card reader (v6.0); 3.5 mm headset jack; no lock slotThree 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
External displaysUp to 3 with the laptop screen on, or 4 with it off (Intel Arc Graphics)–
KeyboardBacklit zero-lattice keyboard; capacitive touch function row; Copilot key86 keys US/Canada, 87 Europe, 90 Japan or 88 Brazil; QWERTY, AZERTY or Kanji layouts
TrackpadSeamless glass haptic touchpad, 149 × 74 mm71.7 × 34.0 mm active area; separate buttons
SpeakersQuad speakers (two tweeters, two woofers), 2 W each (2.5 W peak)Two speakers, 2 W per channel; Sigmatel STAC9228 audio controller
MicrophonesDual digital-array microphones–
BiometricsIR camera for Windows Hello face recognition; fingerprint reader in the power buttonFingerprint reader included in the reproduced Dell launch announcement

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