Home Phone comparison Realme P4x 5G and Xiaomi Poco F9 Ultra - Which is better?

Realme P4x 5G vs Xiaomi Poco F9 Ultra

67 out 100
Realme P4x 5G
VS
91 out 100
Xiaomi Poco F9 Ultra
Realme P4x 5G
Xiaomi Poco F9 Ultra

Compared 2 smartphones : Realme P4x 5G Manufactured in December, 2025, with display 6.72 with chipsetMediaTek Dimensity 7400, vs Xiaomi Poco F9 Ultra, Manufactured in September, 2026 with chipsetQualcomm Snapdragon 8 Elite Gen 5. 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 Realme P4x 5G
  • Lighter design: 208g vs 235g
Reasons to choose Xiaomi Poco F9 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 416ppi
  • Higher refresh rate: 185Hz
  • Higher battery capacity: 8050mAh vs 7000mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB
- 8/512 GB		 - 12/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Realme P4x 5G and Xiaomi Poco F9 Ultra
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.
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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:
Realme P4x 5G
vs
Xiaomi Poco F9 Ultra

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.72 in 6.9 in
Resolution 1080x2400 pixels 1200x2608 pixels
Aspect ratio 20:9 19.5:9
Pixel density 392 ppi 416 ppi
Refresh rate 144 Hz 185 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes
Max brightness 1000 nits 2200 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 86.5 % 91.6 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Realme P4x 5G
n/a
Xiaomi Poco F9 Ultra
4368 nits

Design & Build

Design and ergonomics comparison
Height 165.85 mm (6.53 in) 163.49 mm (6.44 in)
Width 75.95 mm (2.99 in) 77.94 mm (3.07 in)
Thickness 8.39 mm (0.33 in) 7.94 mm (0.31 in)
Weight 208 g (7.34 oz) 235 g (8.29 oz)
Water resistance IP64 IP68
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Metal
Colors - Silver
- Green
- Pink		 - Black
- Red
Fingerprint sensor Yes, In-Button Yes, In-Display
Screen-to-body ratio
Realme P4x 5G
86.5 %
Xiaomi Poco F9 Ultra
91.6 %

Performance

Testing Realme P4x 5G and Xiaomi Poco F9 Ultra In benchmarks
Processor
Chipset MediaTek Dimensity 7400 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2600 MHz 4600 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/2 (Cortex-A55)
- 4/2.6 (Cortex-A78)		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.74 (Oryon Gen 3 Prime)
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor MediaTek APU 655 Hexagon
Graphics Mali-G615 MP2 n/a
GPU Cores 256 n/a
GPU Frequency 1300 MHz n/a
FLOPS 665.6 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Realme P4x 5G
1042
Xiaomi Poco F9 Ultra
3629
Geekbench 6 (Multi-Core)
Realme P4x 5G
2931
Xiaomi Poco F9 Ultra
11080
Geekbench 6 (Single-Core)10423629
Geekbench 6 (Multi-Core)293111080
Geekbench Compute (GPU)3047n/a
Sources: Geekbench v6 [Realme P4x 5G], [Xiaomi Poco F9 Ultra]
AnTuTu 10
AnTuTu 10
Realme P4x 5G
994646
Xiaomi Poco F9 Ultra
4165108
CPU352241962447
GPU1692041453812
Memory185069974305
UX288132774544
NanoReview Score9946464165108

Memory

RAM
RAM Size 6 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 3.1UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
OS Size n/a 36 GB
UI Skin Realme UI 6.0 HyperOS 3

Battery

Volume 7000 mAh 8050 mAh
Max Charging Power 45 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes (40% in 30 min) Yes (61% in 30 min)
Full Charge Time 1:36 h 0:54 h
Battery Life Test
Battery Life
Realme P4x 5G
n/a
Xiaomi Poco F9 Ultra
44:02
Web Browsingn/a23:02 h
Video Playbackn/a25:48 h
Gamesn/a10:54 h
Standby Moden/a171 h

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels n/a
Zoom Digital Optical, 5x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 1920 fps (1080p)
Wide-angle lens n/a 102 °
Lenses count Standard: 50 MP Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features Bokeh effect - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP200 MP
Aperturef/1.8f/1.7
Focal lengthn/a24 mm
SensorSony IMX882Samsung ISOCELL HP5
Sensor size1/1.95 (0.51)1/1.56 (0.64)
Pixel size0.8 μm0.5 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/3.0
Focal lengthn/a120 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76 (0.36)
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.4
Focal lengthn/a17 mm
Sensorn/aOmniVision OV50M40
Sensor sizen/a1/2.88 (0.35)
Pixel sizen/a0.61 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 32 MP
Aperture f/2.2 f/2.2
Focal length n/a 21 mm
Sensor CMOS OmniVision OV32D
Sensor size n/a 1/3.44 (0.29)
Pixel size n/a 0.64 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 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- 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 5.4 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* No Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800MHzGSM 2/3/5/8
3G BandsWCDMA 1/5/8WCDMA 1/2/4/5/8/6/19
LTE Bands*LTE (B1/B3/B5/B8/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)
5G SupportYesYes

Sound

Speakers n/a 2.1
3.5 mm Jack No No
FM Radio n/a No
Dolby Atmos n/a Yes

Other

Class Mid-range Flagship
Announced December, 2025 yr September, 2026 yr
Release Date December, 2025 yr September, 2026 yr
MSRP ($) 170 729
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 45 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Poco F9 Ultra the clear winner in this comparison.

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