Home Phone comparison Oppo Find X9 Ultra and Oppo K15 Pro Plus - Which is better?

Oppo Find X9 Ultra vs Oppo K15 Pro Plus

96 out 100
Oppo Find X9 Ultra
VS
86 out 100
Oppo K15 Pro Plus
Oppo Find X9 Ultra
Oppo K15 Pro Plus

Compared 2 smartphones : Oppo Find X9 Ultra Manufactured in May, 2026, with display 6.82 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Oppo K15 Pro Plus, Manufactured in April, 2026with chipsetMediaTek Dimensity 9500s. 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 Find X9 Ultra
  • Larger display: 6.82in
  • Higher pixel density: 510ppi
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Oppo K15 Pro Plus
  • Higher refresh rate: 165Hz
  • Lighter design: 213g vs 235g
  • Higher battery capacity: 8000mAh vs 7050mAh

Versions

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

Review

Key Specs Oppo Find X9 Ultra and Oppo K15 Pro Plus
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:
Oppo Find X9 Ultra
vs
Oppo K15 Pro Plus

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.82 in 6.78 in
Resolution 1440x3168 pixels 1272x2772 pixels
Aspect ratio 19.8:9 19.5:9
Pixel density 510 ppi 450 ppi
Refresh rate 144 Hz 165 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 1800 nits 1800 nits
HDR support Yes, Dolby Vision n/a
Touch Sampling Rate 300 Hz 330 Hz
Screen-to-body ratio 90 % 89.8 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- DC dimming
Display test
Peak brightness (auto)
Oppo Find X9 Ultra
3396 nits
Oppo K15 Pro Plus
n/a

Design & Build

Design and ergonomics comparison
Height 163.16 mm (6.42 in) 162.4 mm (6.39 in)
Width 76.97 mm (3.03 in) 77.47 mm (3.05 in)
Thickness 8.65 mm (0.34 in) 8.25 mm (0.32 in)
Weight 235 g (8.29 oz) 213 g (7.51 oz)
Water resistance IP69 IP69
Cooling system Vapor chamber Active fan
Back panel Glass n/a
Frame Metal Metal
Colors - White
- Green
- Orange		 - Silver
- Gray
- Pink
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Oppo Find X9 Ultra
90 %
Oppo K15 Pro Plus
89.8 %

Performance

Testing Oppo Find X9 Ultra and Oppo K15 Pro Plus In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 MediaTek Dimensity 9500s
Max Frequency 4600 MHz 3730 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)		 - 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon MediaTek NPU
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Find X9 Ultra
3646
Oppo K15 Pro Plus
2680
Geekbench 6 (Multi-Core)
Oppo Find X9 Ultra
11276
Oppo K15 Pro Plus
8358
Geekbench 6 (Single-Core)36462680
Geekbench 6 (Multi-Core)112768358
Sources: Geekbench v6 [Oppo Find X9 Ultra], [Oppo K15 Pro Plus]
AnTuTu 10
AnTuTu 10
Oppo Find X9 Ultra
4086107
Oppo K15 Pro Plus
3121723
CPU1166693804510
GPU15232621280281
Memory509363395484
UX886789641448
NanoReview Score40861073121723

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5300 MHz n/a
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin ColorOS 16 ColorOS 16

Battery

Volume 7050 mAh 8000 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes, (Wireless) Yes
Fast Charging Yes (75% in 30 min) Yes
Full Charge Time 0:45 h n/a
Battery Life Test
Battery Life
Oppo Find X9 Ultra
37:00
Oppo K15 Pro Plus
n/a
Web Browsing16:45 hn/a
Video Playback26:15 hn/a
Games08:23 hn/a
Standby Mode144 hn/a

Main camera

Matrix 200 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Optical, 10x Digital
Flash LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 240 fps) Yes (Up to 60 fps)
Slow Motion 480 fps (720p) 240 fps (1080p)
Wide-angle lens 120 ° 116 °
Lenses count Standard: 200 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix200 MP50 MP
Aperturef/1.5f/1.8
Focal length23 mm24 mm
SensorSony LYTIA-901n/a
Sensor size1/1.12 (0.89)n/a
Pixel size0.7 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MPn/a
Aperturef/2.2n/a
Focal length70 mmn/a
SensorOmniVision OV52An/a
Sensor size1/1.28 (0.78)n/a
Pixel size0.61 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/2.0f/2.2
Focal length14 mm15 mm
SensorSony LYTIA-600n/a
Sensor size1/1.95 (0.51)n/a
Pixel size0.8 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 50 MP 16 MP
Aperture f/2.4 f/2.4
Focal length 21 mm 23 mm
Sensor Samsung ISOCELL JN5 n/a
Sensor size 1/2.75 (0.36) n/a
Pixel size 0.64 μm n/a
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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 6.0 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM 850/900/1800MHz
3G BandsWCDMA 1/2/4/5/6/8/19WCDMA 1/4/5/6/8/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66/B71)LTE (B1/B3/B4/B5/B8/B19/B28/B34/B38/B39/B40/B41/B42/B43/B48/B66)
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No

Other

Class Flagship Mid-range
Announced April, 2026 yr April, 2026 yr
Release Date May, 2026 yr April, 2026 yr
MSRP ($) 1299 510
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 100 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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