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

Xiaomi Mi 9 vs Realme P4 5G

50 out 100
Xiaomi Mi 9
VS
69 out 100
Realme P4 5G
Xiaomi Mi 9
Realme P4 5G

Compared 2 smartphones : Xiaomi Mi 9 Manufactured in April, 2019, with display 6.39 with chipsetQualcomm Snapdragon 855, vs Realme P4 5G, Manufactured in August, 2025with 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 Xiaomi Mi 9
  • Higher pixel density: 403ppi
  • Lighter design: 173g vs 185g
Reasons to choose Realme P4 5G
  • Larger display: 6.77in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 3300mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Includes charger

Versions

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

Review

Key Specs Xiaomi Mi 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
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:
Xiaomi Mi 9
vs
Realme P4 5G

Display

Display quality comparison
Type AMOLED OLED
Size 6.39 in 6.77 in
Resolution 1080x2340 pixels 1080x2392 pixels
Aspect ratio 19.5:9 20:9
Pixel density 403 ppi 388 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 600 nits 1600 nits
HDR support Yes HDR10 Yes, HDR10+
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 85.3 % 89.3 %
Features - Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Mi 9
619 nits
Realme P4 5G
n/a
sRGB gamut95.4 %n/a
PWM (Flicker)245 Hzn/a
Response time4.2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi Mi 9]

Design & Build

Design and ergonomics comparison
Height 157.5 mm (6.2 in) 163.4 mm (6.43 in)
Width 74.6 mm (2.94 in) 75.88 mm (2.99 in)
Thickness 7.6 mm (0.3 in) 7.58 mm (0.3 in)
Weight 173 g (6.1 oz) 185 g (6.53 oz)
Water resistance No IP66
Back panel Glass n/a
Frame Metal Plastic
Colors - Black
- Blue
- Purple		 - Gray
- Blue
- Red
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Mi 9
85.3 %
Realme P4 5G
89.3 %

Performance

Testing Xiaomi Mi 9 and Realme P4 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 855 MediaTek Dimensity 7400
Max Frequency 2840 MHz 2600 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.84 (Cortex-A76 (Kryo 485 Gold))		 - 4/2 (Cortex-A55)
- 4/2.6 (Cortex-A78)
Process TSMC TSMC
Transistor Size 7 nm 4 nm
Neural Processor Hexagon 690 MediaTek APU 655
Graphics Adreno 640 Mali-G615 MP2
GPU Cores 768 256
GPU Frequency 585 MHz 1300 MHz
FLOPS 898.5 GFLOPS 665.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Mi 9
898
Realme P4 5G
997
Geekbench 6 (Multi-Core)
Xiaomi Mi 9
2206
Realme P4 5G
2955
Geekbench 6 (Single-Core)898997
Geekbench 6 (Multi-Core)22062955
AnTuTu 10
AnTuTu 10
Xiaomi Mi 9
651041
Realme P4 5G
745001
CPU209300209772
GPU191747175672
Memory113809180497
UX136185181060
NanoReview Score651041745001
3DMark Wild Life
3DMark Wild Life
Xiaomi Mi 9
3100
Realme P4 5G
n/a
Max Surface Temp.35.6 °Cn/a
Stability91 %n/a
Graphics Test18 fpsn/a
Graphics Score3100n/a
Sources: 3DMark [Xiaomi Mi 9]
PCMark 3.0
PCMark 3.0
Xiaomi Mi 9
10649
Realme P4 5G
n/a
Writing score14618n/a
Web score7084n/a
Video editing6715n/a
Data manipulation7931n/a
NanoReview Score10649n/a

Memory

RAM
RAM Size 6 GB 6 GB
Memory Type LPDDR4X n/a
Memory Frequency 2133 MHz n/a
Channels 2 n/a
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 2.1UFS 3.1
Memory CardNoNo

Software

OS Android 9.0 (Upgradeable to Android 11) Android 15
OS Size 13.5 GB n/a
UI Skin MIUI 12.5 Realme UI 6.0

Battery

Volume 3300 mAh 7000 mAh
Max Charging Power 27 W 80 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (20 W) No
Reverse Charging No No
Fast Charging Yes Quick Charge 4 (50% in 30 min) Yes
Full Charge Time 1:30 h n/a
Battery Life Test
Battery Life
Xiaomi Mi 9
17:14
Realme P4 5G
n/a
Web Browsing06:08 hn/a
Video Playback11:37 hn/a
Games04:07 hn/a
Standby Mode83 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Optical, 2x Digital
Flash Dual LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 240 fps (720p)
Wide-angle lens 117 ° 112 °
Lenses count Standard: 48 MP
Telephoto: 12 MP
Ultra-wide: 16 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 length27 mm27 mm
SensorSony IMX586n/a
Sensor size1/2n/a
Pixel size0.8 μmn/a
AutofocusLaser autofocusPhase autofocus
StabilizationDigitalDigital
Telephoto
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length54 mmn/a
SensorSamsung S5K3M5n/a
Sensor size1/3.6n/a
Pixel size1 μmn/a
StabilizationDigitaln/a
Ultra-wide lens
Matrix16 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mmn/a
SensorSony IMX481n/a
Sensor size1/3.0n/a
Pixel size1 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi Mi 9
112
Realme P4 5G
n/a
Video quality
Xiaomi Mi 9
99
Realme P4 5G
n/a
Overall camera score
Xiaomi Mi 9
107
Realme P4 5G
n/a
Sources: DxOMark [Xiaomi Mi 9]

Front camera

Matrix 20 MP 16 MP
Photo resolution 5184x3880 pixels 4920x3264 pixels
Aperture f/2.0 f/2.4
Focal length 18 mm n/a
Sensor CMOS n/a
Sensor size 1/3 n/a
Pixel size 0.9 μm n/a
Autofocus No 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 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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5.4
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- USB-Host mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes No
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900GSM 850/900/1800MHz
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100WCDMA 1/5/8
LTE Bands*LTE (B800/B900/B1800/B2100/B2300/B2500/B2600)LTE (B1/B3/B5/B8/B40/B41)
LTE category20n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack No No
FM Radio No n/a
Dolby Atmos No n/a
Speaker Test
Max Volume
Xiaomi Mi 9
87.1 dB
Realme P4 5G
n/a

Other

Class Flagship Mid-range
Announced February, 2019 yr August, 2025 yr
Release Date April, 2019 yr August, 2025 yr
Launch Price ($) 460 n/a
MSRP ($) n/a 210
Sensors - Hall Sensor
- 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

After analyzing the data, we consider Realme P4 5G the clear winner in this comparison.

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