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Samsung Galaxy A30s vs Galaxy A21s

Here we compared two smartphones: the 6.4-inch Samsung Galaxy A30s (with Exynos 7 Octa 7904) that was released on August 22, 2019, against the Samsung Galaxy A21s, which is powered by Exynos 850 and came out 9 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 A30s
  • Slow-motion recording at 120FPS
  • Super AMOLED display (versus competitor's PLS TFT)
  • 40% faster in single-core GeekBench 5 test: 266 and 190 points
  • Weighs 23 grams less
Reasons to consider the Samsung Galaxy A21s
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • More energy-efficient CPU – Exynos 850
  • The phone is 9-months newer

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 Super AMOLED PLS TFT
Size 6.4 inches 6.5 inches
Resolution 720 x 1560 pixels 720 x 1600 pixels
Aspect ratio 19.5:9 20:9
PPI 268 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Tempered glass Tempered glass
Screen-to-body ratio 85.2% 82.8%
Display tests
RGB color space 98% 88.4%
PWM 240 Hz 500 Hz
Response time 4 ms 30.4 ms
Contrast ∞ Infinity 1500:1
Max. Brightness
492 nits
499 nits
Sources: NotebookCheck [1], [2]

Design and build

Height 158.5 mm (6.24 inches) 163.6 mm (6.44 inches)
Width 74.7 mm (2.94 inches) 75.3 mm (2.96 inches)
Thickness 7.8 mm (0.31 inches) 8.9 mm (0.35 inches)
Weight 169 gramm (5.96 oz) 192 gramm (6.77 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors White, Black, Purple Black, Blue, Red
Fingerprint scanner Yes, in-display Yes, rear
Screen-to-body ratio
85.2%
82.8%

Performance

Tests of Samsung Galaxy A30s and Samsung Galaxy A21s in the benchmarks
SoC
Chipset Samsung Exynos 7 Octa 7904 Samsung Exynos 850
Max. clock 1770 MHz 2000 MHz
CPU cores 8 (2 + 6) 8 (8)
Architecture - 6 cores at 1.6 GHz: Cortex-A53
- 2 cores at 1.8 GHz: Cortex-A73
- 8 cores at 2 GHz: Cortex-A55
Lithography process 14 nanometers 8 nanometers
Graphics Mali-G71 MP2 Mali-G52 MP1
GPU clock 770 MHz 820 MHz
FLOPS ~65 GFLOPS ~26 GFLOPS
Memory
RAM size 3, 4 GB 3, 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1933 MHz 1866 MHz
Channels 2 2
Storage
Storage size 32, 64 GB 32, 64 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
266
Geekbench 5 (Multi-Core)
1113
AnTuTu Benchmark 7
AnTuTu Benchmark 8
124456
127133

Software

Operating system Android 9.0 (Can be upgraded to Android 11) Android 10 (Can be upgraded to Android 11)
ROM One UI 3.1 One UI 3.0
OS size 10.9 GB 12 GB

Battery

Specifications
Capacity 4000 mAh 5000 mAh
Charge power 15 W 15 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes, Samsung Adaptive Fast Charge (40% in 30 min) Yes (50% in 60 min)
Full charging time 1:45 hr 2:10 hr

Battery life tests

Web browsing (Wi-Fi)
18:02 hr
Watching videos (Player)
17:29 hr
Talk (3G)
39:38 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 25 megapixels 48 megapixels
Image resolution 5288 x 3968 8000 x 6000
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 120 FPS (720p) No
Angle of widest lens 123° 123°
Lenses 3 (25 MP + 8 MP + 5 MP) 4 (48 MP + 8 MP + 2 MP + 2 MP)
Wide (main) lens - 25 MP
- Aperture: f/1.7
- Focal length: 27 mm
- Pixel size: 0.9 micron
- Sensor: 1/2.8", Samsung S5K2X5 (ISOCELL CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/2.0
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.0" (CMOS)
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4" (CMOS)
- 8 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
Macro lens - - 2 MP
- Aperture: f/2.4
Depth lens - 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
- 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
Selfie camera
Megapixels 16 megapixels 13 megapixels
Image resolution 4608 x 3456 4128 x 3096
Aperture f/2.0 f/2.2
Focal length 26 mm -
Pixel size 1 microns 1.12 microns
Sensor type ISOCELL CMOS CMOS
Sensor size 1/3.1" 1/3.1"
Video resolution 1080p (Full HD) при 30 FPS 1080p (Full HD) при 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 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 USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou 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* No No
Hybrid slot No No
LTE Cat* 10 13
5G support - No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos Yes Yes
Speakers test
Max. loudness
86.2 dB
79.5 dB

Other

Category Mid-range Budget
Announced August 2019 May 2020
Release date September 2019 June 2020
Launch price ~ 200 USD ~ 200 USD
SAR (head) 1.05 W/kg 0.23 W/kg
SAR (body) 1.54 W/kg 1.38 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- 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

If the battery life is more important to you, then choose the Samsung Galaxy A21s. But if the display is more of a priority – go for the Samsung Galaxy A30s.

Cast your vote

So, which phone would you choose?
110 (44.7%)
136 (55.3%)
Total votes: 246

User opinions

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