Home Phone comparison Oppo Realme 9 Pro Plus and Samsung Galaxy A51 - Which is better?

Oppo Realme 9 Pro Plus vs Samsung Galaxy A51

55 out 100
Oppo Realme 9 Pro Plus
VS
41 out 100
Samsung Galaxy A51
Oppo Realme 9 Pro Plus
Samsung Galaxy A51

Compared 2 smartphones : Oppo Realme 9 Pro Plus Manufactured in February, 2022, with display 6.4 with chipsetMediaTek Dimensity 920, vs Samsung Galaxy A51, Manufactured in December, 2019 with chipsetSamsung Exynos 9 Octa 9611. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Oppo Realme 9 Pro Plus
  • Higher pixel density: 411ppi
  • Higher refresh rate: 90Hz
  • Higher battery capacity: 4500mAh vs 4000mAh
  • Newer Bluetooth version: 5.2 vs 5
  • Includes charger
Reasons to choose Samsung Galaxy A51
  • Larger display: 6.5in
  • Lighter design: 172g vs 182g

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB		 - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Oppo Realme 9 Pro Plus and Samsung Galaxy A51
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Realme 9 Pro Plus
vs
Samsung Galaxy A51

Display

Display quality comparison
Type Super AMOLED Super AMOLED
Size 6.4 in 6.5 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 411 ppi 405 ppi
Refresh rate 90 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 450 nits 400 nits
HDR support Yes HDR10 No
Touch Sampling Rate 360 Hz n/a
Screen-to-body ratio 84.2 % 87.5 %
Features - DCI-P3
- Always-On Display
- DC dimming		 Always-On Display
Display test
Peak brightness (auto)
Oppo Realme 9 Pro Plus
608 nits
Samsung Galaxy A51
631 nits
sRGB gamut95.9 %98.8 %
PWM (Flicker)218 Hz242 Hz
Response time9 ms25 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Oppo Realme 9 Pro Plus], [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 160.2 mm (6.31 in) 158.5 mm (6.24 in)
Width 73.3 mm (2.89 in) 73.6 mm (2.9 in)
Thickness 7.99 mm (0.31 in) 7.9 mm (0.31 in)
Weight 182 g (6.42 oz) 172 g (6.07 oz)
Water resistance No No
Back panel Glass Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Green		 - White
- Black
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Oppo Realme 9 Pro Plus
84.2 %
Samsung Galaxy A51
87.5 %

Performance

Testing Oppo Realme 9 Pro Plus and Samsung Galaxy A51 In benchmarks
Processor
Chipset MediaTek Dimensity 920 Samsung Exynos 9 Octa 9611
Max Frequency 2500 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/2 (Cortex-A55)
- 2/2.5 (Cortex-A78)		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process TSMC Samsung
Transistor Size 6 nm 10 nm
Neural Processor Yes Yes
Graphics Mali-G68 MP4 Mali-G72 MP3
GPU Cores 256 54
GPU Frequency 950 MHz 850 MHz
FLOPS 243.2 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme 9 Pro Plus
928
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
Oppo Realme 9 Pro Plus
2323
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)928512
Geekbench 6 (Multi-Core)23231556
Sources: Geekbench v6 [Oppo Realme 9 Pro Plus]
AnTuTu 10
AnTuTu 10
Oppo Realme 9 Pro Plus
540904
Samsung Galaxy A51
268760
CPU16813783857
GPU11428945166
Memory10600463828
UX15247475909
NanoReview Score540904268760
3DMark Wild Life
3DMark Wild Life
Oppo Realme 9 Pro Plus
2293
Samsung Galaxy A51
812
Max Surface Temp.46.9 °C42.2 °C
Stability99 %95 %
Graphics Test13 fps4 fps
Graphics Score2293812
Sources: 3DMark [Oppo Realme 9 Pro Plus], [Samsung Galaxy A51]
PCMark 3.0
PCMark 3.0
Oppo Realme 9 Pro Plus
12629
Samsung Galaxy A51
n/a
Writing score19093n/a
Web score9133n/a
Video editing6657n/a
Data manipulation8425n/a
NanoReview Score12629n/a

Memory

RAM
RAM Size - 6 GB
- 8 GB		 - 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 64 GB
- 128 GB
Storage TypeUFS 2.2UFS 2.0
Memory CardNoMicroSD

Software

OS Android 12 (Upgradeable to Android 14) Android 10 (Upgradeable to Android 13)
OS Size 15 GB 23 GB
UI Skin Realme UI 4.0 One UI 5.1

Battery

Volume 4500 mAh 4000 mAh
Max Charging Power 60 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (77% in 30 min) Yes (40% in 35 min)
Full Charge Time 0:49 h 1:50 h
Battery Life Test
Battery Life
Oppo Realme 9 Pro Plus
21:38
Samsung Galaxy A51
17:53
Web Browsing09:24 h07:15 h
Video Playback12:57 h11:25 h
Games05:39 h04:49 h
Standby Mode98 h81 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8700x5800 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (720p) 960 fps (720p)
Wide-angle lens 119 ° 120 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 4 MP		 Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/2.0
Focal length24 mm26 mm
SensorSony IMX766Sony IMX582
Sensor size1/1.561/2
Pixel size1 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal length16 mm13 mm
SensorSony IMX355n/a
Sensor size1/4n/a
Pixel size1.14 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels 6560x4928 pixels
Aperture f/2.4 f/2.2
Focal length 27 mm 26 mm
Sensor Sony IMX471 Samsung S5KGD1
Sensor size 1/3.13 1/2.8
Pixel size 1 μm 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 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 5.2 5
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, 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
NFC* Varies by region Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM (850/900/1800/1900)GSM 850 / 900 / 1800 / 2100 / 2600
3G BandsWCDMA (850/900/1700/1900/2100)UMTS 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B38/B39/B40/B41/B66)LTE (B850/B900/B1800/B2100/B2600)
LTE categoryn/a12
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack Yes Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Oppo Realme 9 Pro Plus
91.6 dB
Samsung Galaxy A51
81.7 dB

Other

Class Mid-range Mid-range
Announced February, 2022 yr December, 2019 yr
Release Date February, 2022 yr December, 2019 yr
Launch Price ($) 330 399
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 60 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Oppo Realme 9 Pro Plus the clear winner in this comparison.

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