In depth comparison and review of Dell XPS 15 9520 and Dell Latitude E6440. Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Dell XPS 15 9520 based on its technical characteristics, features, user experience, expert reviews and price level.
stunning 4k display
powerful intel performance
solid build quality
good battery life
advanced thermal design
high base price
heavier than competitors
no full-size usb port
limited color options
| DESIGN AND DIMENSIONS | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 34.44 cm x 23.014 cm x 1.854 cm | 33.8 cm x 23.26 cm x 3.18 cm |
| Weight | 1.92 kg | 2.12 kg |
| Case Material | - | Anodised aluminium |
| Colour | Silver | Black, silver | Black |
| DISPLAY | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Screen Size (Type) | 15.6" | 14" |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1200 (Full HD Plus) | 1366 x 768 (HD) |
| Pixel Density (ppi) | 145 | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 500 cd/m² | - |
| Colour Gamut | 100% sRGB | - |
| Features | Anti-glare, Infinity Edge display, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, 0.18 mm pixel pitch, Eyesafe technology | Anti-glare, BFR/PVC-free |
| PROCESSOR | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H | Intel Core i5 (4th Gen) 4300M / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.3 GHz |
| Number of Cores | 14-core | Dual-Core |
| Cache | 24 MB | 3 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | Intel QM87 |
| Platform Technology | - | Intel vPro Platform |
| Features | Intel Smart Cache | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology |
| MEMORY | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| RAM | 16 GB (2 x 8 GB) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 16 GB |
| RAM Type | DDR5 SDRAM | DDR3L SDRAM |
| Speed | 4800 MHz | 1600 MHz / PC3-12800 |
| Rated Speed | 4800 MHz | 1600 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 204-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) | 320 GB HDD SATA 3Gb/s / 7200 rpm |
|---|---|---|
| Optical Drive | - | DVD±RW |
| Read Speed | - | 8x |
| AUDIO & VIDEO | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 Ti | Intel HD Graphics 4600 |
|---|---|---|
| Video Memory | 4 GB GDDR6 SDRAM | - |
| Camera | Yes - 1280 x 720 (standard), 576 x 360 (infrared) | Yes |
| Resolution | 0.9 Megapixel (standard), 0.2 Megapixel (infrared) | - |
| Camera Features | IR/RGB camera, 78.5 degrees | 720p HD movie recording |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | 1280 x 720 |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3281 | Realtek ALC3226 |
| Compliant Standards | High Definition Audio | High Definition Audio |
| Audio Features | - | MaxxAudio |
| COMMUNICATIONS | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth, 802.11b/g/n |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6E AX1675 | Intel Centrino Advanced-N 6235 |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Intel Wireless Display (WiDi) |
| BATTERY | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Technology | 6-cell Lithium Ion | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 60 Wh |
| AC ADAPTER | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 130 Watt, 20 V, 6.5 A | 65 Watt, 19.5 V, 3.34 A |
| INPUT | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad, DualPoint |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Interfaces | USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB4 Gen 3x2 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery) Headphone/microphone combo jack |
LAN 4 x USB 3.0 Headphone/microphone combo jack VGA HDMI Dock |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (SD Card) |
| SOFTWARE | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Operating System (OS) | Windows 11 Pro - Dutch / English / French / German / Italian | Microsoft Windows 7 Professional 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (30 days trial, excludes office licence), McAfee Small Business Security (30 days trial) | Dell Webcam Central |
| MISCELLANEOUS | Dell XPS 15 9520 | Dell Latitude E6440 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Integrated Options | - | Ambient light sensor |
| Security | Fingerprint reader | Trusted Platform Module (TPM) Security Chip |
| Security Slot Type | Noble Wedge security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | - | Noise reduction, powder coated, hot-swappable battery, Free Fall Sensor, ExpressCharge, Tri-metal chassis |
| Compliant Standards | - | FIPS 140-2, MIL-STD 810G |
| ENERGY STAR Certified | - | Yes |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% (non-condensing) |
| Manufacturer Warranty | - | Limited warranty - 3 years - response time: next business day Limited warranty - battery - 1 year |
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