Home Phone comparison Xiaomi Poco C40 and Oppo Find X9 Ultra - Which is better?

Xiaomi Poco C40 vs Oppo Find X9 Ultra

40 out 100
Xiaomi Poco C40
VS
96 out 100
Oppo Find X9 Ultra
Xiaomi Poco C40
Oppo Find X9 Ultra

Compared 2 smartphones : Xiaomi Poco C40 Manufactured in July, 2022, with display 6.71 with chipsetJLQ JR510, vs Oppo Find X9 Ultra, Manufactured in May, 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 Xiaomi Poco C40
  • Lighter design: 204g vs 235g
Reasons to choose Oppo Find X9 Ultra
  • Larger display: 6.82in
  • Higher pixel density: 510ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7050mAh vs 6000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Infrared port
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 3/32 GB
- 4/32 GB
- 4/64 GB		 - 12/256 GB
- 12/512 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Poco C40 and Oppo Find X9 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:
Xiaomi Poco C40
vs
Oppo Find X9 Ultra

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.71 in 6.82 in
Resolution 720x1650 pixels 1440x3168 pixels
Aspect ratio 20:9 19.8:9
Pixel density 268 ppi 510 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 400 nits 1800 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 300 Hz
Screen-to-body ratio 83.7 % 90 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Poco C40
447 nits
Oppo Find X9 Ultra
3396 nits
sRGB gamut93.1 %n/a
Response time34 msn/a
Contrast1170:1n/a
Sources: NotebookCheck [Xiaomi Poco C40]

Design & Build

Design and ergonomics comparison
Height 169.59 mm (6.68 in) 163.16 mm (6.42 in)
Width 76.56 mm (3.01 in) 76.97 mm (3.03 in)
Thickness 9.18 mm (0.36 in) 8.65 mm (0.34 in)
Weight 204 g (7.2 oz) 235 g (8.29 oz)
Water resistance IP52 IP69
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Green
- Yellow		 - White
- Green
- Orange
Fingerprint sensor Yes rear Yes, In-Display
Screen-to-body ratio
Xiaomi Poco C40
83.7 %
Oppo Find X9 Ultra
90 %

Performance

Testing Xiaomi Poco C40 and Oppo Find X9 Ultra In benchmarks
Processor
Chipset JLQ JR510 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2000 MHz 4600 MHz
CPU Cores n/a 8 (2 + 6)
Architecture n/a - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process n/a TSMC
Transistor Size n/a 3 nm
Neural Processor n/a Hexagon
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco C40
217
Oppo Find X9 Ultra
3646
Geekbench 6 (Multi-Core)
Xiaomi Poco C40
797
Oppo Find X9 Ultra
11276
Geekbench 6 (Single-Core)2173646
Geekbench 6 (Multi-Core)79711276
Sources: Geekbench v6 [Xiaomi Poco C40], [Oppo Find X9 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi Poco C40
160779
Oppo Find X9 Ultra
4086107
CPU528041166693
GPU167761523262
Memory54670509363
UX36529886789
NanoReview Score1607794086107

Memory

RAM
RAM Size - 3 GB
- 4 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency n/a 5300 MHz
Channels 2 4
Storage
Storage Capacity- 32 GB
- 64 GB		256 GB
Storage TypeUFS 2.2UFS 4.1
Memory CardMicroSDNo

Software

OS Android 11 Android 16
OS Size 12 GB n/a
UI Skin MIUI 13 for POCO ColorOS 16

Battery

Volume 6000 mAh 7050 mAh
Max Charging Power 18 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes (50% in 60 min) Yes (75% in 30 min)
Full Charge Time 4:00 h 0:45 h
Battery Life Test
Battery Life
Xiaomi Poco C40
27:32
Oppo Find X9 Ultra
37:00
Web Browsing11:04 h16:45 h
Video Playback14:58 h26:15 h
Games06:25 h08:23 h
Standby Mode141 h144 h

Main camera

Matrix 13 MP 200 MP
Zoom Digital Optical, 10x
Flash LED LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording No Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 240 fps)
Slow Motion No 480 fps (720p)
Wide-angle lens n/a 120 °
Lenses count Standard: 13 MP
Depth: 2 MP		 Standard: 200 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix13 MP200 MP
Aperturef/2.2f/1.5
Focal lengthn/a23 mm
Sensorn/aSony LYTIA-901
Sensor sizen/a1/1.12 (0.89)
Pixel sizen/a0.7 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a200 MP
Aperturen/af/2.2
Focal lengthn/a70 mm
Sensorn/aOmniVision OV52A
Sensor sizen/a1/1.28 (0.78)
Pixel sizen/a0.61 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.0
Focal lengthn/a14 mm
Sensorn/aSony LYTIA-600
Sensor sizen/a1/1.95 (0.51)
Pixel sizen/a0.8 μm
Stabilizationn/aDigital

Front camera

Matrix 5 MP 50 MP
Photo resolution 2592x1944 pixels n/a
Aperture f/2.2 f/2.4
Focal length n/a 21 mm
Sensor CMOS Samsung ISOCELL JN5
Sensor size n/a 1/2.75 (0.36)
Pixel size n/a 0.64 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
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 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		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* No Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 2, 3, 5, 8GSM 850/900/1800/1900MHz
3G BandsWCDMA 1, 2, 4, 5, 8WCDMA 1/2/4/5/6/8/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66/B71)
LTE category4n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No n/a
Speaker Test
Max Volume
Xiaomi Poco C40
80.1 dB
Oppo Find X9 Ultra
n/a

Other

Class Budget Flagship
Announced July, 2022 yr April, 2026 yr
Release Date July, 2022 yr May, 2026 yr
Launch Price ($) 149 n/a
MSRP ($) n/a 1299
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Oppo Find X9 Ultra the clear winner in this comparison.

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