Dell Inspiron 3780 vs. Dell Inspiron 5391

Laptop Comparison, Reviews and Tests

In depth comparison and review of Dell Inspiron 3780 and Dell Inspiron 5391. 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.

Laptop Specifications Comparison

Dell Inspiron 3780 vs. Dell Inspiron 5391 Comparison Chart
DESIGN AND DIMENSIONS Dell Inspiron 3780 Dell Inspiron 5391
Product Type Notebook Notebook
Dimensions (WxDxH) 41.54 cm x 27.92 cm x 2.56 cm 30.76 cm x 20.45 cm x 1.65 cm
Weight 3.03 kg 1.18 kg
Colour Silver Silver
DISPLAY Dell Inspiron 3780 Dell Inspiron 5391
Screen Size (Type) 17.3" - IPS 13.3"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Pixel Density (ppi) 127 166
V-Sync Rate at Max Res. 60 Hz 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 -
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut - 72% sRGB
Features Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, 35 ms response rate, 0.1989 mm pixel pitch Glossy, TrueLife, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, Narrow Border Display, 35 ms response rate, 0.153 mm pixel pitch
PROCESSOR Dell Inspiron 3780 Dell Inspiron 5391
CPU Intel Core i5 (8th Gen) 8265U / 1.6 GHz Intel Core i7 (10th Gen) 10510U / 1.8 GHz
Max Turbo Speed 3.9 GHz 4.9 GHz
Number of Cores Quad-Core Quad-Core
Cache 6 MB 8 MB
64-bit Computing Yes Yes
Features Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache Intel Turbo Boost Technology 2.0, Intel Smart Cache
MEMORY Dell Inspiron 3780 Dell Inspiron 5391
RAM 8 GB (1 x 8 GB) 8 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM LPDDR3 SDRAM
Speed 2400 MHz 2133 MHz
Rated Speed 2666 MHz 2133 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Dell Inspiron 3780 Dell Inspiron 5391
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2280 PCIe - NVM Express (NVMe) 256 GB SSD M.2 PCIe - NVM Express (NVMe)
Secondary Storage 1 TB HDD SATA 6Gb/s / 5400 rpm -
Optical Drive DVD-Writer - tray -
AUDIO & VIDEO Dell Inspiron 3780 Dell Inspiron 5391
Graphics Processor (GPU) AMD Radeon 520 NVIDIA GeForce MX250
Video Memory 2 GB GDDR5 SDRAM 2 GB GDDR5 SDRAM
Camera Yes - HD Yes - HD
Resolution 0.92 Megapixel 0.92 Megapixel
Camera Features 720p HD movie recording, fixed focus, 78.6 degrees 720p HD movie recording, 74.9 degrees, RGB camera
Image Sensor Type CMOS CMOS
Video Resolutions 1280 x 720 1280 x 720
Frame Rate 30 frames per second 30 frames per second
Sound Stereo speakers, microphone Stereo speakers, dual array microphone
Codec Realtek ALC3204 Realtek ALC3204
Compliant Standards High Definition Audio High Definition Audio
Audio Features MaxxAudio Pro MaxxAudio Pro
COMMUNICATIONS Dell Inspiron 3780 Dell Inspiron 5391
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 802.11a/b/g/n/ac, Bluetooth 5.0
Network Interface 10/100 Ethernet -
BATTERY Dell Inspiron 3780 Dell Inspiron 5391
Technology 3-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 42 Wh 45 Wh
AC ADAPTER Dell Inspiron 3780 Dell Inspiron 5391
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt, 19.5 V, 3.34 A 65 Watt, 19.5 V, 3.34 A
INPUT Dell Inspiron 3780 Dell Inspiron 5391
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight - Yes
CONNECTIONS & EXPANSIONS Dell Inspiron 3780 Dell Inspiron 5391
Interfaces HDMI
Headphone/microphone combo jack
USB 2.0
2 x USB 3.1 Gen 1
LAN
HDMI
USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode)
Headphone/microphone combo jack
USB 3.1 Gen 1
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) Yes (microSD)
SOFTWARE Dell Inspiron 3780 Dell Inspiron 5391
Operating System (OS) Windows 10 Home 64-bit Edition Windows 10 Home 64-bit Edition
MISCELLANEOUS Dell Inspiron 3780 Dell Inspiron 5391
Included Accessories Power adapter Power adapter
Security Fingerprint reader -
Security Slot Type Noble Wedge security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Max Operating Temperature 40 °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 - 15 months - pick-up and return -
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