Home Phone comparison Oppo Find X7 Ultra and Xiaomi 15T - Which is better?

Oppo Find X7 Ultra vs Xiaomi 15T

89 out 100
Oppo Find X7 Ultra
VS
82 out 100
Xiaomi 15T
Oppo Find X7 Ultra
Xiaomi 15T

Compared 2 smartphones : Oppo Find X7 Ultra Manufactured in January, 2024, with display 6.82 with chipsetQualcomm Snapdragon 8 Gen 3, vs Xiaomi 15T, Manufactured in September, 2025 with chipsetMediaTek Dimensity 8400 Ultra. 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 X7 Ultra
  • Higher pixel density: 510ppi
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Includes charger
Reasons to choose Xiaomi 15T
  • Larger display: 6.83in
  • Lighter design: 194g vs 221g
  • Higher battery capacity: 5500mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

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

Review

Key Specs Oppo Find X7 Ultra and Xiaomi 15T
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 X7 Ultra
vs
Xiaomi 15T

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.82 in 6.83 in
Resolution 1440x3168 pixels 1280x2772 pixels
Aspect ratio 20:9 19.5:9
Pixel density 510 ppi 447 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes Yes
Max brightness 4500 nits n/a
HDR support Yes Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 240 Hz 480 Hz
Screen-to-body ratio 89.7 % 89.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Oppo Find X7 Ultra
1160 nits
Xiaomi 15T
n/a
sRGB gamut97.9 %n/a
PWM (Flicker)91 Hzn/a
Response time2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Oppo Find X7 Ultra]

Design & Build

Design and ergonomics comparison
Height 164.3 mm (6.47 in) 163.2 mm (6.43 in)
Width 76.2 mm (3 in) 78 mm (3.07 in)
Thickness 9.5 mm (0.37 in) 7.5 mm (0.3 in)
Weight 221 g (7.8 oz) 194 g (6.84 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass n/a
Frame Metal Plastic
Colors - Black
- Blue
- Brown		 - Black
- Gray
- Rose Gold
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Oppo Find X7 Ultra
89.7 %
Xiaomi 15T
89.9 %

Performance

Testing Oppo Find X7 Ultra and Xiaomi 15T In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 MediaTek Dimensity 8400 Ultra
Max Frequency 3300 MHz 3250 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (1 + 3 + 4)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process TSMC TSMC
Transistor Size 4 nm 4 nm
Neural Processor Hexagon MediaTek NPU 880
Graphics Adreno 750 Mali-G720 MP7
GPU Cores 1536 896
GPU Frequency 903-1000 MHz 1300 MHz
FLOPS 2774 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Find X7 Ultra
2228
Xiaomi 15T
1603
Geekbench 6 (Multi-Core)
Oppo Find X7 Ultra
7352
Xiaomi 15T
6413
Geekbench 6 (Single-Core)22281603
Geekbench 6 (Multi-Core)73526413
Geekbench Compute (GPU)n/a11228
Sources: Geekbench v6 [Oppo Find X7 Ultra], [Xiaomi 15T]
AnTuTu 10
AnTuTu 10
Oppo Find X7 Ultra
2041218
Xiaomi 15T
1872827
CPU442026448609
GPU869942683486
Memory383796396486
UX345454344246
NanoReview Score20412181872827
3DMark Wild Life
3DMark Wild Life
Oppo Find X7 Ultra
16808
Xiaomi 15T
n/a
Sources: 3DMark [Oppo Find X7 Ultra]
PCMark 3.0
PCMark 3.0
Oppo Find X7 Ultra
14310
Xiaomi 15T
n/a
Writing score19438n/a
Web score11488n/a
Video editing6234n/a
Data manipulation14484n/a
NanoReview Score14310n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB		 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4266 MHz n/a
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB		256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 15
UI Skin ColorOS 15 HyperOS 2.0

Battery

Volume 5000 mAh 5500 mAh
Max Charging Power 100 W 67 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (70% in 15 min) Yes (50% in 22 min)
Full Charge Time 0:25 h 0:50 h
Battery Life Test
Battery Life
Oppo Find X7 Ultra
25:51
Xiaomi 15T
n/a
Web Browsing11:41 hn/a
Video Playback17:53 hn/a
Games05:12 hn/a
Standby Mode105 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 6x Optical, 2x
Flash LED Dual LED
Stabilization Optical Optical
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 480 fps (720p) 240 fps (1080p)
Wide-angle lens 123 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.7
Focal length23 mm23 mm
SensorSony LYT-900Omnivision OV50 Light Hunter 800
Sensor size1/01/1.55
Pixel size1.6 μm1 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/2.6f/1.9
Focal length65 mm46 mm
SensorSony IMX890Samsung S5KJN5
Sensor size1/1.561/2.76
Pixel size1 μm0.64 μm
StabilizationOpticalDigital
Ultra-wide lens
Matrix50 MP12 MP
Aperturef/2.0f/2.2
Focal length14 mm15 mm
SensorSony LYT-600n/a
Sensor size1/1.951/3.06
Pixel size0.7 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Oppo Find X7 Ultra
156
Xiaomi 15T
n/a
Video quality
Oppo Find X7 Ultra
156
Xiaomi 15T
n/a
Overall camera score
Oppo Find X7 Ultra
157
Xiaomi 15T
n/a
Bokeh85n/a
Preview79n/a
Zoom156n/a
Sources: DxOMark [Oppo Find X7 Ultra]

Front camera

Matrix 32 MP 32 MP
Photo resolution 6560x4928 pixels n/a
Aperture f/2.4 f/2.2
Focal length 21 mm 21 mm
Sensor Sony LYT-506 CMOS
Sensor size 1/2.74 1/3.44
Pixel size 0.8 μm 0.64 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) 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 6E (802.11 a/b/g/n/ac/ax)
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 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.4 No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - 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 *NoYes
Hybrid SlotNoNo
2G BandsGSM 850, 900, 1800MHzGSM 2/3/5/8
3G BandsWCDMA 1, 2, 4, 5, 8WCDMA B1/2/4/5/8/6/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66/B71)
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos n/a Yes
Speaker Test
Max Volume
Oppo Find X7 Ultra
89.4 dB
Xiaomi 15T
n/a

Other

Class Flagship Mid-range
Announced January, 2024 yr September, 2025 yr
Release Date January, 2024 yr September, 2025 yr
Launch Price ($) 850 n/a
MSRP ($) n/a 650
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 No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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