Home > Smartphone comparison > Galaxy A30 vs Galaxy A21s – which one to choose?

Samsung Galaxy A30 vs Galaxy A21s

Here we compared two smartphones: the 6.4-inch Samsung Galaxy A30 (with Exynos 7 Octa 7904) that was released on February 25, 2019, against the Samsung Galaxy A21s, which is powered by Exynos 850 and came out 14 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 A30
  • 49% higher pixel density (403 vs 270 PPI)
  • 17% better performance in AnTuTu Benchmark (151K versus 130K)
  • Delivers 11% higher maximum brightness (550 against 494 nits)
  • Slow-motion recording at 120FPS
  • Super AMOLED display (versus competitor's PLS TFT)
  • Weighs 27 grams less
Reasons to consider the Samsung Galaxy A21s
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • Shows 29% longer battery life (119 vs 92 hours)
  • More energy-efficient CPU – Exynos 850
  • The phone is 1-year and 2-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 1080 x 2340 pixels 720 x 1600 pixels
Aspect ratio 19.5:9 20:9
PPI 403 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Corning Gorilla Glass 3 Tempered glass
Screen-to-body ratio 84.9% 82.8%
Display features - Always-On Display -
Display tests
RGB color space - 88.4%
PWM - 500 Hz
Response time - 30.4 ms
Contrast - 1500:1
Max. Brightness
Galaxy A30 +11%
550 nits
494 nits
Sources: NotebookCheck [1]

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 7.7 mm (0.3 inches) 8.9 mm (0.35 inches)
Weight 165 gramm (5.82 oz) 192 gramm (6.77 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors White, Black, Blue Black, Blue, Red
Fingerprint scanner Yes, rear Yes, rear
Screen-to-body ratio
84.9%
82.8%

Performance

Tests of Samsung Galaxy A30 and Samsung Galaxy A21s in the benchmarks
SoC
Chipset Samsung Exynos 7 Octa 7904 Samsung Exynos 850
Max. clock 1800 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 850 MHz 820 MHz
FLOPS ~65 GFLOPS ~26 GFLOPS
Memory
RAM size 3, 4 GB 3, 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 2133 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)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
Galaxy A30 +17%
151858
130297

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 11.2 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 1:50 hr 2:10 hr

Battery life tests

Web browsing (Wi-Fi)
11:37 hr
18:02 hr
Watching videos (Player)
14:33 hr
17:29 hr
Talk (3G)
24:46 hr
39:38 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 16 megapixels 48 megapixels
Image resolution 4616 x 3464 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 2 (16 MP + 5 MP) 4 (48 MP + 8 MP + 2 MP + 2 MP)
Wide (main) lens - 16 MP
- Aperture: f/1.7
- Focal length: 27 mm
- 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 - 5 MP
- Aperture: f/2.2
- Focal length: 12 mm
- 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 - - 2 MP
- Aperture: f/2.4
Camera features - 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 BSI CMOS CMOS
Sensor size 1/3.06" 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 a/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 No

Sound

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

Other

Category Mid-range Budget
Announced February 2019 May 2020
Release date March 2019 June 2020
Launch price ~ 200 USD ~ 200 USD
SAR (head) 0.25 W/kg 0.23 W/kg
SAR (body) 1.17 W/kg 1.38 W/kg
Sensors - Hall-effect sensor
- 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, camera, and sound are more important to you, then choose the Samsung Galaxy A21s. But if the display and performance are more of a priority – go for the Samsung Galaxy A30.

Cast your vote

So, which phone would you choose?
76 (35.5%)
138 (64.5%)
Total votes: 214

User opinions

You can share your opinion or ask a question in the comments below