Samsung Galaxy J4 Core vs Galaxy A20

Here we compared two smartphones: the 6-inch Samsung Galaxy J4 Core (with Qualcomm Snapdragon 425) that was released on November 1, 2018, against the Samsung Galaxy A20, which is powered by Exynos 7 Octa 7884 and came out 4 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy A20
  • Comes with 700 mAh larger battery capacity: 4000 vs 3300 mAh
  • Modern USB Type-C port
  • Newer Bluetooth version (v5)
  • Supports 15W fast charging
  • Thinner bezels – 10% more screen real estate
  • Has a 0.4 inch larger screen size
  • More recent OS version: Android 11 versus 8.1
  • Has 3x more RAM: 3GB versus 1GB
  • Fingerprint scanner
  • More energy-efficient CPU – Exynos 7 Octa 7884
  • Has an ultra-wide angle camera lens
  • Super AMOLED display (versus competitor's TFT LCD)
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Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type TFT LCD Super AMOLED
Size 6 inches 6.4 inches
Resolution 720 x 1480 pixels 720 x 1560 pixels
Aspect ratio 18.5:9 19.5:9
PPI 274 ppi 268 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Tempered glass Corning Gorilla Glass 3
Screen-to-body ratio 75% 85%
Max. Brightness
399 nits

Design and build

Height 160.6 mm (6.32 inches) 158.4 mm (6.24 inches)
Width 76.1 mm (3 inches) 74.7 mm (2.94 inches)
Thickness 7.9 mm (0.31 inches) 7.8 mm (0.31 inches)
Weight 170 gramm (6 oz) 169 gramm (5.96 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Gold, Blue -
Fingerprint scanner No Yes, rear
Screen-to-body ratio
Galaxy A20 +13%
85%

Performance

Tests of Samsung Galaxy J4 Core and Samsung Galaxy A20 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 425 Samsung Exynos 7 Octa 7884
Max. clock 1400 MHz 1600 MHz
CPU cores 4 (4) 8 (2 + 6)
Architecture - 4 cores at 1.4 GHz: Cortex-A53 - 6 cores at 1.35 GHz: Cortex-A53
- 2 cores at 1.6 GHz: Cortex-A73
Lithography process 28 nanometers 14 nanometers
Graphics Adreno 308 Mali-G71 MP2
GPU clock 500 MHz 850 MHz
FLOPS ~24 GFLOPS ~64 GFLOPS
Memory
RAM size 1 GB 3 GB
Memory type LPDDR3 LPDDR3
Memory clock 667 MHz 933 MHz
Channels 1 1
Storage
Storage size 16 GB 32 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 256 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
CPU - 48062
GPU - 20723
Memory - 31990
UX - 37339
Total score - 137790
3DMark Wild Life Performance
Stability - 85%
Graphics test - 1 FPS
Graphics score - 324
Sources: 3DMark [3]

Software

Operating system Android 8.1 Android 9.0 (Can be upgraded to Android 11)
ROM Android Oreo Go Edition One UI 3.1
OS size 3.9 GB -

Battery

Specifications
Capacity 3300 mAh 4000 mAh
Charge power - 15 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging No Yes, Samsung Adaptive Fast Charge (25% in 30 min)
Full charging time 2:30 hr 2:00 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 8 megapixels 13 megapixels
Image resolution 3264 x 2448 4128 x 3096
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording No No
1080p video recording Up to 30FPS Up to 30FPS
Slow motion No No
Angle of widest lens - 123°
Lenses 1 (8 MP) 2 (13 MP + 5 MP)
Wide (main) lens - 8 MP
- Aperture: f/2.2
- Phase autofocus
- 13 MP
- Aperture: f/1.9
- Focal length: 28 mm
- Phase autofocus
Ultra-wide lens - - 5 MP
- Aperture: f/2.2
- Focal length: 12 mm
Selfie camera
Megapixels 5 megapixels 8 megapixels
Image resolution 2560 x 1920 3264 x 2448
Aperture f/2.2 f/2.0
Sensor type CMOS CMOS
Video resolution 720p at 30 FPS 720p at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 4 (802.11 b/g/n) Wi-Fi 4 (802.11 b/g/n)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 4.2 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type Micro USB USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- Charging
- USB-Storage mode
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 4 4
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No Yes

Other

Category Budget Mid-range
Announced November 2018 March 2019
Release date November 2018 March 2019
SAR (head) - 0.23 W/kg
SAR (body) - 1.38 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Hall-effect sensor
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Samsung Galaxy A20 is definitely a better buy.

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