Samsung Galaxy A03s vs Oppo A31

Here we compared two budget smartphones: the 6.5-inch Samsung Galaxy A03s (with MediaTek Helio P35) that was released on August 18, 2021, against the Oppo A31, which is powered by the same chip and came out 16 months before. 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 A03s
  • Comes with 770 mAh larger battery capacity: 5000 vs 4230 mAh
  • Modern USB Type-C port
  • Supports 15W fast charging
  • More recent OS version: Android 13 versus 9
  • The phone is 1-year and 4-months newer
  • Supports Dolby Atmos sound technology
Reasons to consider the Oppo A31
  • Compatible with Wi-Fi 5 wireless networks
  • Thinner bezels – 7.2% more screen real estate
  • Weighs 16 grams less
We may receive a commission from Amazon for purchases made using the links below, but this has no bearing on our assessment methodology.

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 6.5 inches
Resolution 720 x 1600 pixels 720 x 1600 pixels
Aspect ratio 20:9 20:9
PPI 270 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
Max rated brightness 400 nits 480 nits
HDR support No No
Screen protection Tempered glass Corning Gorilla Glass 3
Screen-to-body ratio 81.8% 89%
Display tests
RGB color space 93.9% -
PWM 806 Hz -
Response time 43 ms -
Contrast 1126:1 -
Peak brightness test (auto)
355 nits
n/a
Sources: NotebookCheck [3]

Design and build

Height 164.2 mm (6.46 inches) 163.9 mm (6.45 inches)
Width 75.9 mm (2.99 inches) 75.5 mm (2.97 inches)
Thickness 9.1 mm (0.36 inches) 8.3 mm (0.33 inches)
Weight 196 g (6.91 oz) 180 g (6.35 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors White, Black, Blue White, Black
Fingerprint scanner Yes, in home button Yes, rear
Screen-to-body ratio
81.8%
Oppo A31 +9%
89%

Performance

Tests of Samsung Galaxy A03s and Oppo A31 in the benchmarks
SoC
Chipset MediaTek Helio P35 MediaTek Helio P35
Max. clock 2350 MHz 2300 MHz
CPU cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4 cores at 1.8 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A53
- 4 cores at 1.8 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A53
Lithography process 12 nanometers 12 nanometers
Graphics IMG PowerVR GE8320 IMG PowerVR GE8320
GPU clock 680 MHz 680 MHz
FLOPS ~44.8 GFLOPS ~44.8 GFLOPS

Benchmarks

Geekbench 5 (Single-Core)
180
176
Geekbench 5 (Multi-Core)
Oppo A31 +13%
1012
AnTuTu Benchmark 9
121294
120672
CPU 36930 48015
GPU 15632 7032
Memory 29149 34572
UX 38919 30438
Total score 121294 120672

Memory

RAM
RAM size 3, 4 GB 4 GB
Memory type - LPDDR4X
Memory clock - 1866 MHz
Channels 2 2
Storage
Storage size 32, 64 GB 64 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 1024 GB Up to 256 GB

Software

Operating system Android 11 (Can be upgraded to Android 13) Android 9.0
ROM One UI Core 5.0 ColorOS 6.1
OS size 13.2 GB -

Battery

Specifications
Capacity 5000 mAh 4230 mAh
Charge power 15 W 10 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes (15% in 30 min) No
Full charging time 3:38 hr 1:55 hr
Battery life tests
Web browsing 15:57 hr -
Watching video 14:23 hr -
Gaming 06:16 hr -
Standby 124 hr -
General battery life
39:16 hr
n/a

Camera

Specs and camera test of smartphones
Main camera
Matrix 13 megapixels 12 megapixels
Image resolution 4128 x 3096 4000 x 3000
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
Lenses 3 (13 MP + 2 MP + 2 MP) 3 (12 MP + 2 MP + 2 MP)
Wide (main) lens - 13 MP
- Aperture: f/1.8
- Phase autofocus
- 12 MP
- Aperture: f/1.8
- Phase autofocus
Macro lens - 2 MP
- Aperture: f/2.4
- 2 MP
- Aperture: f/2.4
- Focal length: 27 mm
- Pixel size: 1.75 micron
- Sensor: 1/5.0" (CMOS)
Depth lens - 2 MP
- Aperture: f/2.4
- 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode - Bokeh mode
Selfie camera
Megapixels 5 megapixels 8 megapixels
Image resolution 2560 x 1960 3264 x 2448
Aperture f/2.2 f/2.0
Pixel size - 1.12 microns
Sensor type CMOS CMOS
Sensor size - 1/4"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 4 (802.11 b/g/n) Wi-Fi 5 (802.11 a/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 LE, A2DP
USB type USB Type-C Micro USB
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou
NFC* Depends on the region 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* 4 4
5G support No No

Sound

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

Other

Category Budget Budget
Announced August 2021 April 2020
Release date August 2021 February 2020
SAR (head) 0.36 W/kg -
SAR (body) 1.09 W/kg -
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- 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 A03s is definitely a better buy.

Cast your vote

So, which phone would you choose?
7 (38.9%)
11 (61.1%)
Total votes: 18

User opinions

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