Dell Latitude 3390 2-in-1 vs. Dell Latitude 9420 2-in-1

Laptop Comparison, Reviews and Tests
Dell Latitude 3390 2-in-1
Dell Latitude 3390 2-in-1
Dell Latitude 9420 2-in-1
Dell Latitude 9420 2-in-1

Our Rating: 85 %

In depth comparison and review of Dell Latitude 3390 2-in-1 and Dell Latitude 9420 2-in-1. 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.

Dell Latitude 9420 2-in-1 Review

Advantages and disadvantages of Dell Latitude 9420 2-in-1 based on its technical characteristics, features, user experience, expert reviews and price level.

excellent build quality

sharp display resolution

innovative privacy features

strong processor performance

impressive battery life

higher price point

limited port variety

heavier than competitors

no dedicated GPU

Laptop Comparison and Tests

Difference between Dell Latitude 3390 2-in-1 and Dell Latitude 9420 2-in-1
Dell Latitude 9420 2-in-1
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Dell Latitude 3390 2-in-1 vs. Dell Latitude 9420 2-in-1 Comparison Chart
DESIGN AND DIMENSIONS Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Product Type Notebook - flip design Notebook - flip design
Dimensions (WxDxH) 32.4 cm x 22.48 cm x 2.04 cm 31.059 cm x 21.518 cm x 1.391 cm
Weight 1.57 kg 1.4 kg
Colour Black Grey
DISPLAY Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Screen Size (Type) 13.3" 14"
Touchscreen Yes Yes
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1600 (QHD+)
Pixel Density (ppi) - 216
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio - 16:10
Image Brightness 220 cd/m² 500 cd/m²
Colour Gamut - 100% sRGB
Features Anti-glare Anti-reflective, anti-smudge, 35 ms response rate, Low Blue Light technology, ±88° vertical viewing angle, ±88° horizontal viewing angle, 0.1178 mm pixel pitch
PROCESSOR Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
CPU Intel Core i3 (7th Gen) 7020U / 2.3 GHz Intel Core i7 (11th Gen) 1185G7 / 3 GHz
Max Turbo Speed - 4.8 GHz
Number of Cores Dual-Core Quad-Core
Cache 3 MB 12 MB
64-bit Computing Yes -
Platform Technology - Intel Evo vPro Platform
Features - Intel Turbo Boost Technology 2.0, Intel Smart Cache
MEMORY Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
RAM 4 GB (1 x 4 GB) 16 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM LPDDR4X SDRAM
Speed 2400 MHz 4267 MHz
Rated Speed 2400 MHz 4267 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2280 SATA 512 GB SSD M.2 2230 PCIe 3.0 x4 - NVM Express (NVMe), Class 35
AUDIO & VIDEO Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Graphics Processor (GPU) Intel HD Graphics 620 Intel Iris Xe Graphics
Memory Allocation Technology Shared Video Memory (UMA) -
Camera Yes - 1280 x 720 Yes - 1280 x 720 (standard), 640 x 360 (infrared)
Resolution 0.92 Megapixel 0.92 Megapixel (standard), 0.23 Megapixel (infrared)
Camera Features IR camera Privacy shutter, IR/RGB camera, 78 degrees
Image Sensor Type - CMOS
Video Resolutions 1280 x 720 1280 x 720
Frame Rate 30 frames per second 30 frames per second
Sound Stereo speakers, two microphones Four speakers, quad array microphone
Codec Realtek ALC3253 Realtek ALC711-CG
Compliant Standards High Definition Audio -
Audio Features MaxxAudio Pro MaxxAudio Pro
COMMUNICATIONS Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Atheros QCA61x4A - M.2 2230 Intel Wi-Fi 6E AX 210
BATTERY Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Technology 3-cell Lithium Ion 3-cell
Battery Capacity (Size) 42 Wh 60 Wh
AC ADAPTER Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 19.5 V, 2.31 A 65 Watt, 5 / 9 / 15 / 20 V
INPUT Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes Yes
CONNECTIONS & EXPANSIONS Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Interfaces Headphone/microphone combo jack
USB 3.1 Gen 1 (PowerShare)
USB-C (supports DisplayPort Alt Mode)
USB 2.0
HDMI		 HDMI
2 x USB4 (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 1 (PowerShare)
Headphone/microphone combo jack
Memory Card Reader Yes (SD Card) Yes (microSD, microSDHC, microSDXC)
SOFTWARE Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 10 Pro 64-bit Edition + Windows 11 Pro Licence - Multilingual User Interface (MUI)
Software Included Microsoft Office (Trial) Microsoft Office (Trial)
MISCELLANEOUS Dell Latitude 3390 2-in-1 Dell Latitude 9420 2-in-1
Included Accessories Power adapter USB-C power adapter
Integrated Options - Accelerometer, ambient light sensor, proximity sensor, magnetometer, electromagnetic compass, lid-open sensor, gyroscope
Security Trusted Platform Module (TPM 2.0) Security Chip Fingerprint reader
Security Slot Type Noble Wedge security slot Noble Wedge security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features - ExpressCharge
Max Operating Temperature - 40 °C
Min Operating Temperature - 0 °C
Humidity Range Operating - 10 - 90% (non-condensing)
Manufacturer Warranty Limited warranty - 1 year - on-site -
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