In depth comparison and review of Dell Latitude E6440 and Acer Extensa 15 (EX215-51). 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 Acer Extensa 15 (EX215-51) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate performance
lightweight design
average display quality
limited storage capacity
no backlit keyboard
basic graphics capabilities
DESIGN AND DIMENSIONS | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 33.8 cm x 23.26 cm x 3.18 cm | 36.34 cm x 25.05 cm x 1.99 cm |
Weight | 2.12 kg | 1.9 kg |
Case Material | Anodised aluminium | - |
Colour | Black, silver | Black | Shale black |
DISPLAY | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Screen Size (Type) | 14" | 15.6" |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | - | 220 cd/m² |
Features | Anti-glare, BFR/PVC-free | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display |
PROCESSOR | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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CPU | Intel Core i5 (4th Gen) 4300M / 2.6 GHz | Intel Core i3 (10th Gen) 10110U / 2.1 GHz |
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Max Turbo Speed | 3.3 GHz | 4.1 GHz |
Number of Cores | Dual-Core | Dual-Core |
Cache | 3 MB | 4 MB |
64-bit Computing | Yes | Yes |
Chipset | Intel QM87 | - |
Platform Technology | Intel vPro Platform | - |
Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel vPro Technology | Intel Turbo Boost Technology 2.0 |
MEMORY | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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RAM | 4 GB (1 x 4 GB) | 4 GB (4 GB (soldered)) |
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Max RAM Supported | 16 GB | 12 GB |
RAM Type | DDR3L SDRAM | DDR4 SDRAM |
Speed | 1600 MHz / PC3-12800 | - |
Rated Speed | 1600 MHz | - |
Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 1 |
Empty Slots | 1 | 1 |
STORAGE | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Main Storage Size (HDD/SSD) | 320 GB HDD SATA 3Gb/s / 7200 rpm | 128 GB SSD - Kingston |
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Optical Drive | DVD±RW | - |
Read Speed | 8x | - |
AUDIO & VIDEO | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Graphics Processor (GPU) | Intel HD Graphics 4600 | Intel UHD Graphics |
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Memory Allocation Technology | - | Shared Video Memory (UMA) |
Camera | Yes | Yes - HD |
Camera Features | 720p HD movie recording | - |
Video Resolutions | 1280 x 720 | - |
Sound | Stereo speakers, microphone | Stereo speakers, two microphones |
Codec | Realtek ALC3226 | - |
Compliant Standards | High Definition Audio | - |
Audio Features | MaxxAudio | - |
COMMUNICATIONS | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Wireless | Bluetooth, 802.11b/g/n | Bluetooth, 802.11a/b/g/n/ac |
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Wireless Controller | Intel Centrino Advanced-N 6235 | - |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Features | Intel Wireless Display (WiDi) | Wake-on-LAN (WOL) |
BATTERY | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Technology | 6-cell Lithium Ion | Lithium Ion |
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Battery Capacity (Size) | 60 Wh | 48 Wh |
AC ADAPTER | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt, 19.5 V, 3.34 A | 45 Watt, 19 V |
INPUT | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Type | Keyboard, touchpad, DualPoint | Keyboard, touchpad |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes | - |
Features | Multi-touch touchpad | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad |
CONNECTIONS & EXPANSIONS | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Interfaces | LAN 4 x USB 3.0 Headphone/microphone combo jack VGA HDMI Dock |
HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
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Memory Card Reader | Yes (SD Card) | - |
SOFTWARE | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition - English | Windows 10 Home 64-bit Edition in S mode |
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Software Included | Dell Webcam Central | - |
MISCELLANEOUS | Dell Latitude E6440 | Acer Extensa 15 (EX215-51) |
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Dockable | Yes | - |
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Included Accessories | Power adapter | Power adapter, HDD kit |
Integrated Options | Ambient light sensor | - |
Security | Trusted Platform Module (TPM) Security Chip | - |
Security Slot Type | Kensington 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 | MU-MIMO technology |
Compliant Standards | FIPS 140-2, MIL-STD 810G | - |
ENERGY STAR Certified | Yes | - |
Max Operating Temperature | 35 °C | - |
Min Operating Temperature | 0 °C | - |
Humidity Range Operating | 10 - 90% (non-condensing) | - |
Manufacturer Warranty | Limited warranty - 3 years - response time: next business day Limited warranty - battery - 1 year |
Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Model Number | - | 39SK |