Home Phone comparison Xiaomi 15 Ultra and Oppo Find X6 - Which is better?

Xiaomi 15 Ultra vs Oppo Find X6

95 out 100
Xiaomi 15 Ultra
VS
77 out 100
Oppo Find X6
Xiaomi 15 Ultra
Oppo Find X6

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Oppo Find X6, Manufactured in March, 2023 with chipsetMediaTek Dimensity 9200. 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 15 Ultra
  • Higher pixel density: 522ppi
  • Higher battery capacity: 5410mAh vs 4800mAh
  • Newer Bluetooth version: 6.0 vs 5.3
  • Supports newer USB: 3.2 vs 3.1
  • Built-in eSIM
Reasons to choose Oppo Find X6
  • Larger display: 6.74in
  • Lighter design: 207g vs 226g

Versions

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

Review

Key Specs Xiaomi 15 Ultra and Oppo Find X6
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 15 Ultra
vs
Oppo Find X6

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.73 in 6.74 in
Resolution 1440x3200 pixels 1240x2772 pixels
Aspect ratio 20:9 20:9
Pixel density 522 ppi 451 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness n/a 500 nits
HDR support Yes Dolby Vision Yes HDR10+
Touch Sampling Rate 300 Hz n/a
Screen-to-body ratio 90 % 90.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 15 Ultra
1599 nits
Oppo Find X6
n/a
sRGB gamut99.7 %n/a
PWM (Flicker)120 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Xiaomi 15 Ultra]

Design & Build

Design and ergonomics comparison
Height 161.3 mm (6.35 in) 162.9 mm (6.41 in)
Width 75.3 mm (2.96 in) 74.1 mm (2.92 in)
Thickness 9.35 mm (0.37 in) 9 mm (0.35 in)
Weight 226 g (7.97 oz) 207 g (7.3 oz)
Water resistance IP68 IP64
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Silver
- Green		 - Black
- Gold
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 15 Ultra
90 %
Oppo Find X6
90.9 %

Performance

Testing Xiaomi 15 Ultra and Oppo Find X6 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9200
Max Frequency 4320 MHz 3050 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/1.8 (Cortex-A510)
- 3/2.85 (Cortex-A715)
- 1/3.05 (Cortex-X3)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon MediaTek APU 690
Graphics Adreno 830 Mali-G715 Immortalis MP11
GPU Cores 1536 2112
GPU Frequency 1100 MHz 850 MHz
FLOPS 3379.2 GFLOPS 3590.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15 Ultra
3008
Oppo Find X6
1806
Geekbench 6 (Multi-Core)
Xiaomi 15 Ultra
9065
Oppo Find X6
4705
Geekbench 6 (Single-Core)30081806
Geekbench 6 (Multi-Core)90654705
Sources: Geekbench v6 [Xiaomi 15 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi 15 Ultra
2544373
Oppo Find X6
1370123
CPU558586286129
GPU1040161566863
Memory520300244069
UX425326273062
NanoReview Score25443731370123

Memory

RAM
RAM Size 12 GB - 12 GB
- 16 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 5333 MHz n/a
Channels 2 4
Storage
Storage Capacity256 GB- 256 GB
- 512 GB
Storage TypeUFS 4.1UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 13
OS Size 23.9 GB n/a
UI Skin HyperOS 2.0 ColorOS 13.1

Battery

Volume 5410 mAh 4800 mAh
Max Charging Power 90 W 80 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging Yes (80 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (72% in 30 min) Yes (50% in 12 min)
Full Charge Time 0:51 h 0:41 h
Battery Life Test
Battery Life
Xiaomi 15 Ultra
30:03
Oppo Find X6
n/a
Web Browsing12:19 hn/a
Video Playback18:43 hn/a
Games06:45 hn/a
Standby Mode141 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 4.3x Optical, 2.8x
Flash Dual 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 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (1080p) 240 fps (1080p)
Wide-angle lens 115 ° 112 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.63f/1.8
Focal length23 mm24 mm
SensorSony LYT-900Sony IMX890
Sensor size1/1.01/1.56
Pixel size1.6 μm1 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MP50 MP
Aperturef/2.6f/2.6
Focal length100 mm65 mm
SensorSamsung ISOCELL S5KHP9Sony IMX890
Sensor size1/1.41/1.56
Pixel size0.56 μm1 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.0
Focal length14 mm15 mm
SensorSamsung S5KJN5Samsung ISOCELL S5KJN1
Sensor size1/2.761/2.76
Pixel size0.64 μm0.64 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15 Ultra
158
Oppo Find X6
152
Video quality
Xiaomi 15 Ultra
134
Oppo Find X6
143
Overall camera score
Xiaomi 15 Ultra
153
Oppo Find X6
150
Bokeh8080
Preview8977
Zoomn/a148
Sources: DxOMark [Xiaomi 15 Ultra], [Oppo Find X6]

Front camera

Matrix 32 MP 32 MP
Photo resolution 6528x4896 pixels 6560x4928 pixels
Aperture f/2.0 f/2.4
Focal length 22 mm 21 mm
Sensor Omnivision OV32B n/a
Sensor size 1/3.14 1/2.74
Pixel size 0.7 μm 0.8 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 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 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.1
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *Yesn/a
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8n/a
3G BandsWCDMA 1/2/4/5/6/8/19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)n/a
5G SupportYesYes

Sound

Speakers n/a Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi 15 Ultra
92.1 dB
Oppo Find X6
n/a

Other

Class Flagship Flagship
Announced February, 2025 yr March, 2023 yr
Release Date February, 2025 yr March, 2023 yr
Launch Price ($) n/a 655
MSRP ($) 1099 n/a
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 90 W Yes 80 W

Note

Xiaomi 15 Ultra:

The Chinese version of the Xiaomi 15 Ultra has a 6000 mAh battery, while the international model comes with 5410 mAh, leading to a noticeable difference in battery life.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 15 Ultra the clear winner in this comparison.

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