Home > Smartphone comparison > Galaxy M31 vs Oppo A73 – which one to choose?

Samsung Galaxy M31 vs Oppo A73

Here we compared two mid-range smartphones: the 6.4-inch Samsung Galaxy M31 (with Exynos 7 Octa 9611) that was released on February 25, 2020, against the Oppo A73, which is powered by Qualcomm Snapdragon 662 and came out 7 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 M31
  • Comes with 1985 mAh larger battery capacity: 6000 vs 4015 mAh
  • Ability to record video in 4K resolution
  • Delivers 23% higher maximum brightness (615 against 499 nits)
  • More recent OS version: Android 11 versus 10
  • Slow-motion recording at 240FPS
  • Supports Dolby Atmos sound technology
  • The front-facing camera can record video at 4K
Reasons to consider the Oppo A73
  • The phone is 7-months newer
  • Weighs 28 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 2340 pixels 1080 x 2400 pixels
Aspect ratio 19.5:9 20:9
PPI 403 ppi 409 ppi
Refresh rate 60 Hz 60 Hz
HDR support Yes, HDR10 No
Screen protection Corning Gorilla Glass 3 Corning Gorilla Glass 3
Screen-to-body ratio 84% 86%
Display features - Always-On Display - Always-On Display
Display tests
RGB color space 142% 98.6%
PWM 208 Hz -
Response time 8.5 ms 25.1 ms
Contrast ∞ Infinity 1387:1
Max. Brightness
Galaxy M31 +23%
615 nits
499 nits
Sources: NotebookCheck [1], [2]

Design and build

Height 159.2 mm (6.27 inches) 159.8 mm (6.29 inches)
Width 75.1 mm (2.96 inches) 72.9 mm (2.87 inches)
Thickness 8.9 mm (0.35 inches) 7.5 mm (0.3 inches)
Weight 191 gramm (6.74 oz) 163 gramm (5.75 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Blue, Red Silver, Blue
Fingerprint scanner Yes, rear Yes, in-display
Screen-to-body ratio
Oppo A73 +2%
86%

Performance

Tests of Samsung Galaxy M31 and Oppo A73 in the benchmarks
SoC
Chipset Samsung Exynos 7 Octa 9611 Qualcomm Snapdragon 662
Max. clock 2300 MHz 2300 MHz
CPU cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73
- 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73)
Lithography process 10 nanometers 11 nanometers
Graphics Mali-G72 MP3 Adreno 610
GPU clock 850 MHz 600 MHz
FLOPS ~259 GFLOPS ~272 GFLOPS
Memory
RAM size 6 GB 4, 6 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 128 GB 128 GB
Storage type UFS 2.1 UFS 2.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
320
312
Geekbench 5 (Multi-Core)
1220
Oppo A73 +14%
1396
AnTuTu Benchmark 7
106853
n/a
AnTuTu Benchmark 8
183583
171090

Software

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

Battery

Specifications
Capacity 6000 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 (45% in 60 min) Yes, VOOC 4.0 (50% in 20 min)
Full charging time 2:25 hr 0:55 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 64 megapixels 16 megapixels
Image resolution 9248 x 6920 4624 x 3468
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Digital
8K video recording No No
4K video recording Up to 30FPS No
1080p video recording Up to 30FPS Up to 30FPS
Slow motion 240 FPS (720p) 120 FPS (720p)
Angle of widest lens 123° 120°
Lenses 4 (64 MP + 8 MP + 5 MP + 5 MP) 4 (16 MP + 8 MP + 2 MP + 2 MP)
Wide (main) lens - 64 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.72", ISOCELL Bright GW1 (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: 12 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/2.2
-
Depth lens - 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5.0" (CMOS)
-
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 32 megapixels 16 megapixels
Image resolution 6528 x 4896 4624 x 3468
Aperture f/2.0 f/2.0
Focal length 26 mm 26 mm
Pixel size 0.8 microns -
Sensor type CMOS CMOS
Sensor size 1/2.8" 1/3.1"
Video resolution 2160p (4K) 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 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
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
81.7 dB
Oppo A73 +12%
91.1 dB

Other

Category Mid-range Mid-range
Announced February 2020 October 2020
Release date March 2020 October 2020
Launch price ~ 250 USD ~ 212 USD
SAR (head) 0.48 W/kg -
SAR (body) 1.13 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, camera, and sound are more important to you, then choose the Samsung Galaxy M31. But if the design is 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

User opinions

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