Dell Latitude 7420 (2-in-1) vs Latitude 3420

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Battery
CPU
RAM
Storage

Review

Evaluation of Dell Latitude 7420 (2-in-1) and Latitude 3420 important characteristics
Performance
System and application performance
Gaming
Performance in popular 3D games
Display
Viewing angle, color accuracy, brightness
Battery Life
Potential battery life in light and average use
Connectivity
Ports, webcam and other interfaces
Case
Design, materials, durability and usability
NanoReview Score

Key Differences

What are the key differences between the notebooks
Advantages of the Dell Latitude 7420 (2-in-1)
  • Higher number of cutting-edge USB Type-C ports: 2 versus 1
  • Thinner bezels and 10% higher screen-to-body ratio
  • Better webcam recording quality
  • Backlit keyboard
  • Provides 82% higher max. screen brightness: 400 vs 220 nits
  • 40% sharper screen – 157 versus 112 pixels per inch (PPI)
  • Smaller footprint: 9% more compact case (103.8 vs 114.2 square inches)
Advantages of the Dell Latitude 3420
  • Includes an old-school USB-A port
  • Can run popular games at about 55-75% higher FPS
  • User-upgradable RAM (up to 32GB)
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Tests and Specifications

Comparison table of test results and technical specs

Case

Weight 1.46 kg (3.22 lbs) 1.52 kg (3.35 lbs)
Dimensions 321.3 x 208.6 x 17 mm
12.65 x 8.21 x 0.67 inches
326 x 226 x 17.6 mm
12.83 x 8.9 x 0.69 inches
Area 670 cm2 (103.9 inches2) 737 cm2 (114.2 inches2)
Screen-to-body ratio ~80.6% ~73.3%
Side bezels 5.7 mm 8.1 mm
Colors Gray Black
Transformer Yes No
Opening angle 360° -
Size comparison
Cooling solution
Cooling system Active Active
Vapor chamber No No
Number of fans 1 1
Noise level 44.9 dB -

Display

Size 14 inches 14 inches
Type IPS LCD TN LCD
Refresh rate 60 Hz 60 Hz
PPI 157 ppi 112 ppi
Aspect ratio 16:9 16:9
Resolution 1920 x 1080 pixels 1366 x 768 pixels
HDR support No No
Touchscreen No No
Coating Matte Matte
Display tests
Contrast 1000:1 300:1
sRGB color space 100% -
Response time 35 ms 25 ms
Max. brightness
400 nits
220 nits

Battery

Capacity
Voltage 11.4 V 11.25 V
Full charging time 2:00 hr -
Battery type Li-Ion Li-Ion
Replaceable No No
Fast charging Yes Yes
USB Power Delivery Yes Yes
Charging port position Left Left
Charge power 65 / 90 W 65 W
Weigh of AC adapter 310 gramm -

CPU

CPU name
Base frequency 0.9-2.4 GHz 1.8 GHz
Turbo frequency 4.2 GHz -
Cores 4 2
Threads 8 2
L3 Cache 8 MB 4 MB
Integrated GPU Iris Xe Graphics G7 80EU Intel UHD Graphics Xe G4 48 EUs
Fabrication process 10 nm 10 nm

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

Graphics Card

GPU name
TGP 15 W -
Type Integrated Dedicated
Fabrication process 10 nm 12 nm
GPU base clock 300 MHz -
GPU boost clock 1100 MHz -
FLOPS 1.41 TFLOPS 2.822 TFLOPS
Memory size System Shared 2 GB
Memory type LPDDR4X GDDR6
Memory bus - 64 bit
Memory speed 4.27 Gbps ~8-10 Gbps
Shading units (cores) 640 896
Texture mapping units (TMUs) 40 56
Raster operations pipelines (ROPs) 20 32
GPU performance
2.822 TFLOPS

RAM

RAM size
Channels 2x4 GB 1x4 GB
Clock 4267 MHz 3200 MHz
Type LPDDR4X DDR4
Upgradable No Yes
Total slots - 2
Max. ram size - 32 GB

Storage

Storage size
Bus PCI-E Gen 3.0 (4x) PCI-E Gen 3.0 (4x)
Storage type SSD (M2) SSD (M2)
Channels 1x128 GB 1x128 GB
Upgradable Yes Yes
Total slots 1 1
NVMe Yes Yes

Sound

Audio chip Realtek ALC3281-CG Realtek ALC3204
Speakers 2.0 2.0
Power 2x2W 2x2W
Dolby Atmos No No
Loudness 82.7 dB -
Microphones 2 2

Connectivity

Wi-Fi standard v6 v6
Bluetooth v5.1 v5.1
Fingerprint Optional Yes
Optical drive No No
Webcam Above the display Above the display
Webcam resolution 1920 x 1080 1280 x 720
Ports
USB-A 1x USB 3.2 3x USB 3.2
USB Type-C 2x USB 3.2 1x USB 3.2
Thunderbolt Thunderbolt 4 No
HDMI 1x HDMI 2.0 1x HDMI 1.4
DisplayPort No No
VGA No No
Audio jack (3.5 mm) Yes Yes
Ethernet (RJ45) No Yes
SD card reader Yes Yes
Proprietary charging port No Yes

Input

Keyboard
Keyboard type Island Island
Numpad No No
Backlight Yes No
Touchpad
Size 11.5 x 6.5 cm 11.5 x 7.0 cm
Surface Plastic Plastic
Windows Precision Yes Yes
*Disclaimer! Ports, speakers, display, and other specifications can be different depending on the laptop’s particular configuration or region.

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Total votes: 3

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