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Samsung Galaxy S20 vs Galaxy A42

Here we compared two smartphones: the 6.2-inch Samsung Galaxy S20 (with Exynos 9 Octa 990) that was released on February 11, 2020, against the Samsung Galaxy A42, which is powered by Qualcomm Snapdragon 750 5G and came out 7 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 S20
  • Waterproof body (IP68 classification)
  • Higher display refresh rate – 120 Hz
  • 112% higher pixel density (563 vs 266 PPI)
  • 55% better performance in AnTuTu Benchmark (500K versus 323K)
  • Compatible with the latest Wi-Fi 6 wireless networks
  • Delivers 41% higher maximum brightness (804 against 570 nits)
  • Supports wireless charging up to 15W
  • Optical image stabilization
  • The rear camera has a 1.1x optical zoom
  • Uses a faster type of memory: LPDDR5 3200 MHz
  • Stereo speakers
  • Slow-motion recording at 960FPS
Reasons to consider the Samsung Galaxy A42
  • Shows 85% longer battery life (144 vs 78 hours)
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • Has a 0.4 inch larger screen size
  • The phone is 7-months newer
  • Includes a 3.5 mm headphone audio jack port

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 Dynamic AMOLED Super AMOLED
Size 6.2 inches 6.6 inches
Resolution 1440 x 3200 pixels 720 x 1600 pixels
Aspect ratio 20:9 20:9
PPI 563 ppi 266 ppi
Refresh rate 120 Hz 60 Hz
HDR support Yes, HDR10+ No
Screen protection Corning Gorilla Glass 6 Corning Gorilla Glass 3
Screen-to-body ratio 89.5% 84.3%
Display features - DCI-P3
- Always-On Display
- Always-On Display
Display tests
RGB color space 99.8% 97.7%
PWM 242 Hz 242 Hz
Response time 8.5 ms 9.5 ms
Contrast ∞ Infinity ∞ Infinity
Max. Brightness
Galaxy S20 +41%
804 nits
570 nits
Sources: NotebookCheck [1], [2]

Design and build

Height 151.7 mm (5.97 inches) 164.4 mm (6.47 inches)
Width 69.1 mm (2.72 inches) 75.9 mm (2.99 inches)
Thickness 7.9 mm (0.31 inches) 8.6 mm (0.34 inches)
Weight 163 gramm (5.75 oz) 193 gramm (6.81 oz)
Waterproof IP68 No
Rear material Glass Plastic
Frame material Metal Plastic
Colors Gray, Blue, Red White, Black, Gray
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
89.5%
84.3%

Performance

Tests of Samsung Galaxy S20 and Samsung Galaxy A42 in the benchmarks
SoC
Chipset Samsung Exynos 9 Octa 990 Qualcomm Snapdragon 750 5G
Max. clock 2700 MHz 2200 MHz
CPU cores 8 (2 + 2 + 4) 8 (2 + 6)
Architecture - 4 cores at 2 GHz: Cortex-A55
- 2 cores at 2.5 GHz: Cortex-A76
- 2 cores at 2.73 GHz: Exynos M5
- 6 cores at 1.8 GHz: Kryo 570 Silver (Cortex-A55)
- 2 cores at 2.2 GHz: Kryo 570 Gold (Cortex-A77)
Lithography process 7 nanometers 8 nanometers
Graphics Mali-G77 MP11 Adreno 619
GPU clock 550 MHz 950 MHz
FLOPS ~1196 GFLOPS -
Memory
RAM size 8 GB 4, 6, 8 GB
Memory type LPDDR5 LPDDR4X
Memory clock 3200 MHz 1866 MHz
Channels 2 2
Storage
Storage size 128 GB 128 GB
Storage type UFS 3.0 UFS 2.1
Memory card MicroSD MicroSD
Memory card max. size Up to 1000 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Galaxy S20 +44%
922
Geekbench 5 (Multi-Core)
Galaxy S20 +44%
2730
1895
AnTuTu Benchmark 8
Galaxy S20 +55%
500845
323629
AnTuTu Android Phone Scores (81st and 179th place)

Software

Operating system Android 10.0 (Can be upgraded to Android 11) Android 10 (Can be upgraded to Android 11)
ROM One UI 3.0 One UI 3.1
OS size 20.1 GB 20 GB

Battery

Specifications
Capacity 4000 mAh 5000 mAh
Charge power 25 W 15 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (15 W) No
Reverse charging Yes, (wireless) No
Fast charging Yes (100% in 75 min) Yes (27% in 30 min)
Full charging time 1:15 hr 2:01 hr

Battery life tests

Web browsing (Wi-Fi)
11:53 hr
Galaxy A42 +66%
19:12 hr
Watching videos (Player)
12:01 hr
Galaxy A42 +101%
24:11 hr
Talk (3G)
14:20 hr
Galaxy A42 +190%
41:19 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 12 megapixels 48 megapixels
Image resolution 4000 x 3000 8000 x 6000
Zoom Optical, 1.1x Digital
Flash LED LED
Stabilization Optical Digital
8K video recording Up to 24FPS No
4K video recording Up to 60FPS Up to 30FPS
1080p video recording Up to 240FPS Up to 60FPS
Slow motion 960 FPS (720p) 480 FPS (720p)
Angle of widest lens 120° 123°
Lenses 3 (12 MP + 64 MP + 12 MP) 4 (48 MP + 8 MP + 5 MP + 5 MP)
Wide (main) lens - 12 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 1.8 micron
- Sensor: 1/1.76", Samsung S5K2LD (ISOCELL CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
- 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Samsung S5KGM2 (ISOCELL CMOS)
- Phase autofocus
Telephoto lens - 64 MP
- Aperture: f/2.0
- Pixel size: 0.8 micron
- Sensor: 1/1.72", Samsung Bright S5KGW2 (ISOCELL CMOS)
- Phase autofocus
- Optical stabilization
-
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Samsung S5K2LA (ISOCELL CMOS)
- 8 MP
- Aperture: f/2.2
Macro lens - - 5 MP
- Aperture: f/2.4
Depth lens - - 5 MP
- Aperture: f/2.2
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 10 megapixels 20 megapixels
Image resolution 2592 x 3872 5184 x 3880
Aperture f/2.2 f/2.2
Focal length 26 mm -
Pixel size 1.22 microns 1 microns
Sensor type CMOS CMOS
Sensor size 1/3.2" -
Video resolution 2160p (4K) при 60 FPS 1080p (Full HD) при 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 6 (802.11 b/g/n/ac/ax) Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 3.1 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
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* Yes No
Hybrid slot Yes Yes
LTE Cat* 22 18
5G support No Yes

Sound

Speakers Stereo Mono
Headphone audio jack No Yes
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max. loudness
85.9 dB
82.9 dB

Other

Category Flagship Mid-range
Announced February 2020 September 2020
Release date March 2020 November 2020
Launch price ~ 875 USD ~ 338 USD
SAR (head) 0.28 W/kg 1.15 W/kg
SAR (body) 1.52 W/kg 1.33 W/kg
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint
- 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 S20 is definitely a better buy.

Cast your vote

So, which phone would you choose?
6 (50%)
6 (50%)
Total votes: 12

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