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Samsung Galaxy A31 vs Oppo A73

Here we compared two mid-range smartphones: the 6.4-inch Samsung Galaxy A31 (with Mediatek Helio P65) that was released on March 24, 2020, against the Oppo A73, which is powered by Qualcomm Snapdragon 662 and came out 6 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 A31
  • Comes with 985 mAh larger battery capacity: 5000 vs 4015 mAh
  • Delivers 27% higher maximum brightness (632 against 499 nits)
  • More recent OS version: Android 11 versus 10
  • Supports Dolby Atmos sound technology
  • 11% faster in single-core GeekBench 5 test: 345 and 312 points
Reasons to consider the Oppo A73
  • 21% better performance in AnTuTu Benchmark (171K versus 141K)
  • Slow-motion recording at 120FPS
  • Faster storage type - UFS 2.1 versus eMMC 5.1
  • The phone is 6-months newer
  • Weighs 22 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 Super AMOLED AMOLED
Size 6.4 inches 6.44 inches
Resolution 1080 x 2400 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 411 ppi 409 ppi
Refresh rate 60 Hz 60 Hz
HDR support No No
Screen protection Tempered glass Corning Gorilla Glass 3
Screen-to-body ratio 84.9% 86%
Display features - Always-On Display - Always-On Display
Display tests
RGB color space 96.8% 98.6%
PWM 238 Hz -
Response time 8 ms 25.1 ms
Contrast ∞ Infinity 1387:1
Max. Brightness
Galaxy A31 +27%
632 nits
499 nits
Sources: NotebookCheck [1], [2]

Design and build

Height 159.3 mm (6.27 inches) 159.8 mm (6.29 inches)
Width 73.1 mm (2.88 inches) 72.9 mm (2.87 inches)
Thickness 8.6 mm (0.34 inches) 7.5 mm (0.3 inches)
Weight 185 gramm (6.53 oz) 163 gramm (5.75 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors White, Black, Blue, Red Silver, Blue
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
84.9%
Oppo A73 +1%
86%

Performance

Tests of Samsung Galaxy A31 and Oppo A73 in the benchmarks
SoC
Chipset Mediatek Helio P65 Qualcomm Snapdragon 662
Max. clock 2000 MHz 2300 MHz
CPU cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6 cores at 1.7 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
- 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73)
Lithography process 12 nanometers 11 nanometers
Graphics Arm Mali-G52 2EEMC2 Adreno 610
GPU clock 820 MHz 600 MHz
FLOPS ~56.4 GFLOPS ~272 GFLOPS
Memory
RAM size 4 GB 4, 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 128 GB
Storage type eMMC 5.1 UFS 2.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Galaxy A31 +11%
345
312
Geekbench 5 (Multi-Core)
1245
Oppo A73 +12%
1396
AnTuTu Benchmark 7
109218
n/a
AnTuTu Benchmark 8
141965
Oppo A73 +21%
171090

Software

Operating system Android 10 (Can be upgraded to Android 11) Android 10
ROM One UI 3.1 ColorOS 7.2
OS size 27 GB 15 GB

Battery

Specifications
Capacity 5000 mAh 4015 mAh
Charge power 15 W 30 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 (50% in 60 min) Yes, VOOC 4.0 (50% in 20 min)
Full charging time 2:25 hr 0:55 hr

Battery life tests

Web browsing (Wi-Fi)
16:54 hr
n/a
Watching videos (Player)
20:01 hr
n/a
Talk (3G)
35:56 hr
n/a

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 16 megapixels
Image resolution 8000 x 6000 4624 x 3468
Zoom Digital Digital
Flash LED Dual 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 120 FPS (720p)
Angle of widest lens 123° 120°
Lenses 4 (48 MP + 8 MP + 5 MP + 5 MP) 4 (16 MP + 8 MP + 2 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", Samsung S5KGM2 (ISOCELL CMOS)
- Phase autofocus
- 16 MP
- Aperture: f/2.2
- Pixel size: 1 micron
- Sensor: 1/3.06", OmniVision OV16A10
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
- 8 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/4.0", SK Hynix HI-846 (CMOS)
Monochrome lens - - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", Galaxy Core GC02M1B (CMOS)
Macro lens - 5 MP
- Aperture: f/2.4
-
Depth lens - 5 MP
- Aperture: f/2.4
-
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 20 megapixels 16 megapixels
Image resolution 5963 x 3354 4624 x 3468
Aperture f/2.2 f/2.0
Focal length - 26 mm
Sensor type CMOS CMOS
Sensor size - 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 LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- USB-Host mode
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* No No
Hybrid slot No No
LTE Cat* 12 13
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
78.5 dB
Oppo A73 +16%
91.1 dB

Other

Category Mid-range Mid-range
Announced March 2020 October 2020
Release date April 2020 October 2020
Launch price ~ 225 USD ~ 212 USD
SAR (head) 0.49 W/kg -
SAR (body) 1.68 W/kg -
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- 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

If the software, battery life, and sound are more important to you, then choose the Samsung Galaxy A31. But if the performance and design are more of a priority – go for the Oppo A73.

Cast your vote

So, which phone would you choose?
1 (50%)
1 (50%)
Total votes: 2

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