Home Phone comparison OnePlus 9 and Realme P4 5G - Which is better?

OnePlus 9 vs Realme P4 5G

63 out 100
OnePlus 9
VS
69 out 100
Realme P4 5G
OnePlus 9
Realme P4 5G

Compared 2 smartphones : OnePlus 9 Manufactured in March, 2021, with display 6.55 with chipsetQualcomm Snapdragon 888 5G, vs Realme P4 5G, Manufactured in August, 2025 with chipsetMediaTek Dimensity 7400. 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 OnePlus 9
  • Higher pixel density: 402ppi
  • Supports newer USB: 3.1 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
Reasons to choose Realme P4 5G
  • Larger display: 6.77in
  • Higher refresh rate: 144Hz
  • Lighter design: 185g vs 192g
  • Higher battery capacity: 7000mAh vs 4500mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 12/256 GB		 - 6/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs OnePlus 9 and Realme P4 5G
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
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
OnePlus 9
vs
Realme P4 5G

Display

Display quality comparison
Type AMOLED OLED
Size 6.55 in 6.77 in
Resolution 1080x2400 pixels 1080x2392 pixels
Aspect ratio 20:9 20:9
Pixel density 402 ppi 388 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes Yes (60-120 Hz)
Max brightness 500 nits 1600 nits
HDR support Yes HDR10+ Yes, HDR10+
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 87.3 % 89.3 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
OnePlus 9
818 nits
Realme P4 5G
n/a
sRGB gamut98.9 %n/a
PWM (Flicker)323 Hzn/a
Response time13 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [OnePlus 9]

Design & Build

Design and ergonomics comparison
Height 160 mm (6.3 in) 163.4 mm (6.43 in)
Width 74.2 mm (2.92 in) 75.88 mm (2.99 in)
Thickness 8.7 mm (0.34 in) 7.58 mm (0.3 in)
Weight 192 g (6.77 oz) 185 g (6.53 oz)
Water resistance No IP66
Back panel Glass n/a
Frame Plastic Plastic
Colors - Black
- Blue
- Purple		 - Gray
- Blue
- Red
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
OnePlus 9
87.3 %
Realme P4 5G
89.3 %

Performance

Testing OnePlus 9 and Realme P4 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 888 5G MediaTek Dimensity 7400
Max Frequency 2840 MHz 2600 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Kryo 680 Silver (Cortex-A55))
- 3/2.42 (Kryo 680 Gold (Cortex-A78))
- 1/2.84 (Kryo 680 Prime (Cortex-X1))		 - 4/2 (Cortex-A55)
- 4/2.6 (Cortex-A78)
Process Samsung TSMC
Transistor Size 5 nm 4 nm
Neural Processor Hexagon 780 MediaTek APU 655
Graphics Adreno 660 Mali-G615 MP2
GPU Cores 1024 256
GPU Frequency 840 MHz 1300 MHz
FLOPS 1290.2 GFLOPS 665.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 9
1489
Realme P4 5G
997
Geekbench 6 (Multi-Core)
OnePlus 9
3996
Realme P4 5G
2955
Geekbench 6 (Single-Core)1489997
Geekbench 6 (Multi-Core)39962955
AnTuTu 10
AnTuTu 10
OnePlus 9
937505
Realme P4 5G
745001
CPU248662209772
GPU308723175672
Memory169685180497
UX210435181060
NanoReview Score937505745001
3DMark Wild Life
3DMark Wild Life
OnePlus 9
5761
Realme P4 5G
n/a
Max Surface Temp.48.8 °Cn/a
Stability55 %n/a
Graphics Test34 fpsn/a
Graphics Score5761n/a
Sources: 3DMark [OnePlus 9]
PCMark 3.0
PCMark 3.0
OnePlus 9
12032
Realme P4 5G
n/a
Writing score15081n/a
Web score11112n/a
Video editing6018n/a
Data manipulation10751n/a
NanoReview Score12032n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 6 GB
Memory Type LPDDR5 n/a
Memory Frequency 2750 MHz n/a
Channels 4 n/a
Storage
Storage Capacity- 128 GB
- 256 GB		128 GB
Storage TypeUFS 3.1UFS 3.1
Memory CardNoNo

Software

OS Android 11 (Upgradeable to Android 13) Android 15
OS Size 35 GB n/a
UI Skin OxygenOS 13 Realme UI 6.0

Battery

Volume 4500 mAh 7000 mAh
Max Charging Power 65 W 80 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging No No
Fast Charging Yes (100% in 29 min) Yes
Full Charge Time 0:29 h n/a
Battery Life Test
Battery Life
OnePlus 9
19:38
Realme P4 5G
n/a
Web Browsing07:52 hn/a
Video Playback11:44 hn/a
Games04:32 hn/a
Standby Mode96 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Digital
Flash Dual LED LED
Stabilization Digital Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 240 fps (720p)
Wide-angle lens 140 ° 112 °
Lenses count Standard: 48 MP
Ultra-wide: 50 MP
Monochrome: 2 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 Bokeh effect
Main lens
Matrix48 MP50 MP
Aperturef/1.8f/1.8
Focal length23 mm27 mm
SensorSony IMX689n/a
Sensor size1/1.43n/a
Pixel size1.12 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/2.2f/2.2
Focal length14 mmn/a
SensorSony IMX766n/a
Sensor size1/1.56n/a
Pixel size1 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
OnePlus 9
123
Realme P4 5G
n/a
Video quality
OnePlus 9
104
Realme P4 5G
n/a
Overall camera score
OnePlus 9
115
Realme P4 5G
n/a
Sources: DxOMark [OnePlus 9]

Front camera

Matrix 16 MP 16 MP
Photo resolution 4920x3264 pixels 4920x3264 pixels
Aperture f/2.0 f/2.4
Sensor Sony IMX471 n/a
Sensor size 1/3.06 n/a
Pixel size 1 μm n/a
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) 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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.4
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.1 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- SBAS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes No
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2, 3, 5, 8GSM 850/900/1800MHz
3G BandsWCDMA B1, 2, 4, 5, 8, 9, 19WCDMA 1/5/8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B30/B32/B38/B39/B40/B41/B46/B48/B66/B71)LTE (B1/B3/B5/B8/B40/B41)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No n/a
Dolby Atmos Yes n/a
Speaker Test
Max Volume
OnePlus 9
83 dB
Realme P4 5G
n/a

Other

Class Flagship Mid-range
Announced March, 2021 yr August, 2025 yr
Release Date March, 2021 yr August, 2025 yr
Launch Price ($) 730 n/a
MSRP ($) n/a 210
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 80 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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