Samsung Galaxy M31 vs Oppo Realme 9 Pro

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 Realme 9 Pro, which is powered by Qualcomm Snapdragon 695 and came out 24 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 1000 mAh larger battery capacity: 6000 vs 5000 mAh
  • Ability to record video in 4K resolution
  • Delivers 9% higher peak brightness (620 against 571 nits)
  • Super AMOLED display (versus competitor's IPS LCD)
  • Supports Dolby Atmos sound technology
  • The front-facing camera can record video at 4K
Reasons to consider the Oppo Realme 9 Pro
  • Higher display refresh rate – 120 Hz
  • 61% better performance in AnTuTu Benchmark (397K versus 246K)
  • Newer Bluetooth version (v5.1)
  • More energy-efficient CPU – Snapdragon 695
  • The phone is 2-years newer
  • Faster storage type - UFS 2.2 versus UFS 2.1
  • 2.1x faster in single-core GeekBench 5 test: 696 and 327 points

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 IPS LCD
Size 6.4 inches 6.6 inches
Resolution 1080 x 2340 pixels 1080 x 2412 pixels
Aspect ratio 19.5:9 20:9
PPI 403 ppi 400 ppi
Refresh rate 60 Hz 120 Hz
Max rated brightness 600 nits 460 nits
HDR support Yes, HDR10 -
Screen protection Corning Gorilla Glass 3 Tempered glass
Screen-to-body ratio 84% 84.4%
Display features - Always-On Display - DCI-P3
Display tests
RGB color space 142% 97.6%
PWM 208 Hz -
Response time 8.5 ms 30 ms
Contrast ∞ Infinity 1230:1
Peak brightness test (auto)
620 nits
571 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 159.2 mm (6.27 inches) 164.3 mm (6.47 inches)
Width 75.1 mm (2.96 inches) 75.6 mm (2.98 inches)
Thickness 8.9 mm (0.35 inches) 8.5 mm (0.33 inches)
Weight 191 gramm (6.74 oz) 195 gramm (6.88 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Blue, Red Black, Blue, Green
Fingerprint scanner Yes, rear Yes, in home button
Screen-to-body ratio

Performance

Tests of Samsung Galaxy M31 and Oppo Realme 9 Pro in the benchmarks
SoC
Chipset Samsung Exynos 7 Octa 9611 Qualcomm Snapdragon 695
Max. clock 2300 MHz 2200 MHz
CPU cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73
- 6 cores at 1.7 GHz: Kryo 660 Silver (Cortex-A55)
- 2 cores at 2.2 GHz: Kryo 660 Gold (Cortex-A78)
Lithography process 10 nanometers 6 nanometers
Graphics Mali-G72 MP3 Adreno 619
GPU clock 850 MHz 840 MHz
FLOPS ~259 GFLOPS ~536 GFLOPS
Memory
RAM size 6 GB 6, 8 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 2133 MHz
Channels 2 2
Storage
Storage size 128 GB 128 GB
Storage type UFS 2.1 UFS 2.2
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 512 GB

Benchmarks

Geekbench 5 (Single-Core)
Realme 9 Pro +113%
696
Geekbench 5 (Multi-Core)
1246
2035
AnTuTu Benchmark 9
246068
397372
CPU 62115 123927
GPU 56904 100110
Memory 51495 59142
UX 74539 113377
Total score 246068 397372
3DMark Wild Life Performance
1211
Stability 74% 99%
Graphics test 4 FPS 7 FPS
Graphics score 820 1211
PCMark 3.0 score - 9593
Sources: 3DMark [3], [4]

Software

Operating system Android 10 (Can be upgraded to Android 12) Android 12
ROM One UI 4.1 Realme UI 3.0
OS size 15 GB 17 GB

Battery

Specifications
Capacity 6000 mAh 5000 mAh
Charge power 15 W 33 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 (52% in 30 min)
Full charging time 2:25 hr 1:15 hr
Battery life tests
Web browsing - 14:47 hr
Watching video - 17:25 hr
Gaming - 07:46 hr
Standby - 124 hr
General battery life
40:18 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 64 megapixels 64 megapixels
Image resolution 9248 x 6920 9280 x 6920
Zoom Digital Digital
Flash LED 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) -
Angle of widest lens 123° 119°
Lenses 4 (64 MP + 8 MP + 5 MP + 5 MP) 3 (64 MP + 8 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
- 64 MP
- Aperture: f/1.8
- Focal length: 25 mm
- Pixel size: 0.7 micron
- Sensor: 1/2", Omnivision OV64B (CMOS)
- 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", Omnivision OV08D10 (CMOS)
Macro lens - 5 MP
- Aperture: f/2.2
- 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", GalaxyCore GC02M1 (CMOS)
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 4920 x 3264
Aperture f/2.0 f/2.1
Focal length 26 mm -
Pixel size 0.8 microns 1 microns
Sensor type CMOS Exmor-RS CMOS
Sensor size 1/2.8" 1/3.13"
Video resolution 2160p (4K) at 30 FPS 1080p (Full HD) at 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 5.1
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
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Depends on the region Depends on the region
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 Yes
LTE Cat* 12 18
5G support No Yes

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes No
Dolby Atmos Yes No
Speakers test
Max. loudness
81.7 dB
84 dB

Other

Category Mid-range Mid-range
Announced February 2020 February 2022
Release date March 2020 February 2022
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

After analyzing all the data, we think that the Oppo Realme 9 Pro is definitely a better buy.

Cast your vote

So, which phone would you choose?
3 (60%)
2 (40%)
Total votes: 5

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