Home > Smartphone comparison > Galaxy A21s vs Oppo A12 – which one to choose?

Samsung Galaxy A21s vs Oppo A12

Here we compared two budget smartphones: the 6.5-inch Samsung Galaxy A21s (with Exynos 850) that was released on May 15, 2020, against the Oppo A12, which is powered by MediaTek Helio P35. 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 A21s
  • Comes with 770 mAh larger battery capacity: 5000 vs 4230 mAh
  • Modern USB Type-C port
  • Supports 15W fast charging
  • Better grip in hands – the body is 679.7 mm narrower
  • More energy-efficient CPU – Exynos 850
  • Delivers 9% higher maximum brightness (487 against 446 nits)
  • Has an ultra-wide angle camera lens
  • More recent OS version: Android 10 versus 9
  • Supports Dolby Atmos sound technology
Reasons to consider the Oppo A12
  • Weighs 27 grams less

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
Phone:
vs

Display

Type PLS TFT IPS LCD
Size 6.5 inches 6.22 inches
Resolution 720 x 1600 pixels 720 x 1520 pixels
Aspect ratio 20:9 19:9
PPI 270 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Tempered glass Corning Gorilla Glass 3
Screen-to-body ratio 82.8% 82%
Display tests
RGB color space 88.4% -
PWM 500 Hz -
Response time 30.4 ms -
Contrast 1500:1 -
Max. Brightness
487 nits
446 nits
Sources: NotebookCheck [1]

Design and build

Height 163.6 mm (6.44 inches) 1559 mm (61.38 inches)
Width 75.3 mm (2.96 inches) 755 mm (29.72 inches)
Thickness 8.9 mm (0.35 inches) 83 mm (3.27 inches)
Weight 192 gramm (6.77 oz) 165 gramm (5.82 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Blue, Red Black, Blue
Fingerprint scanner Yes, rear Yes, rear
Screen-to-body ratio
82.8%
82%

Performance

Tests of Samsung Galaxy A21s and Oppo A12 in the benchmarks
SoC
Chipset Samsung Exynos 850 MediaTek Helio P35
Max. clock 2000 MHz 2350 MHz
CPU cores 8 (8) 8 (8)
Architecture - 8 cores at 2 GHz: Cortex-A55 - 8 cores at 2.3 GHz: Cortex-A53
Lithography process 8 nanometers 12 nanometers
Graphics Mali-G52 MP6 IMG PowerVR GE8320
GPU clock 820 MHz 680 MHz
FLOPS ~26 GFLOPS ~44.8 GFLOPS
Memory
RAM size 3, 4 GB 3, 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 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 256 GB

Benchmarks

Geekbench 5 (Single-Core)
189
178
Geekbench 5 (Multi-Core)
1088
992
AnTuTu Benchmark 8
107688
107746

Software

Operating system Android 10 Android 9
ROM One UI 2,0 ColorOS 6,1
OS size 12 GB -

Battery

Specifications
Capacity 5000 mAh 4230 mAh
Charge power 15 W 10 W
Battery type Li-Po Li-Ion
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (50% in 60 min) No
Full charging time 2:10 hr 2:40 hr

Battery life tests

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

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 13 megapixels
Image resolution 8000 x 6000 4160 x 3120
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 4 (48 MP + 8 MP + 2 MP + 2 MP) 2 (13 MP + 2 MP)
Wide (main) lens - 48 MP
- Aperture: f/2.0
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2.0" (CMOS)
- Phase autofocus
- 13 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/3.1" (CMOS)
- Phase autofocus
Ultra-wide lens - 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
- 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
Camera features - Bokeh mode - Bokeh mode
- Pro mode
Selfie camera
Megapixels 13 megapixels 5 megapixels
Image resolution 4128 x 3096 2560 x 1960
Aperture f/2.2 f/2.0
Pixel size 1.12 microns 1.12 microns
Sensor type CMOS CMOS
Sensor size 1/3.1" 1/5"
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
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE, A2DP
USB type USB Type-C Micro USB
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou
NFC* Yes No
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* 13 7
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos Yes No
Speakers test
Max. loudness
78.8 dB
n/a

Other

Category Budget Budget
Announced May 2020 April 2020
Release date June 2020 April 2020
Launch price ~ 200 USD ~ 137 USD
SAR (head) 0.23 W/kg -
SAR (body) 1.38 W/kg -
Sensors - Hall-effect sensor
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- 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 A21s is definitely a better buy.

Cast your vote

So, which phone would you choose?
0 (0%)
0 (0%)
Total votes: < 1

User opinions

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