Home Phone comparison Xiaomi 15 Ultra and Oppo Realme 8 Pro - Which is better?

Xiaomi 15 Ultra vs Oppo Realme 8 Pro

95 out 100
Xiaomi 15 Ultra
VS
50 out 100
Oppo Realme 8 Pro
Xiaomi 15 Ultra
Oppo Realme 8 Pro

Compared 2 smartphones : Xiaomi 15 Ultra Manufactured in February, 2025, with display 6.73 with chipsetQualcomm Snapdragon 8 Elite, vs Oppo Realme 8 Pro, Manufactured in March, 2021 with chipsetQualcomm Snapdragon 720G. 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
  • Larger display: 6.73in
  • Higher pixel density: 522ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5410mAh vs 4500mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM
  • Includes charger
Reasons to choose Oppo Realme 8 Pro
  • Lighter design: 176g vs 226g

Versions

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

Review

Key Specs Xiaomi 15 Ultra and Oppo Realme 8 Pro
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 Realme 8 Pro

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 6.73 in 6.4 in
Resolution 1440x3200 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 522 ppi 409 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness n/a 430 nits
HDR support Yes Dolby Vision Yes HDR10
Touch Sampling Rate 300 Hz 180 Hz
Screen-to-body ratio 90 % 83.3 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 15 Ultra
1599 nits
Oppo Realme 8 Pro
622 nits
sRGB gamut99.7 %99.9 %
PWM (Flicker)120 Hz114 Hz
Response time1 ms7 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi 15 Ultra], [Oppo Realme 8 Pro]

Design & Build

Design and ergonomics comparison
Height 161.3 mm (6.35 in) 160.6 mm (6.32 in)
Width 75.3 mm (2.96 in) 73.9 mm (2.91 in)
Thickness 9.35 mm (0.37 in) 8.1 mm (0.32 in)
Weight 226 g (7.97 oz) 176 g (6.21 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - White
- Black
- Silver
- Green		 - Black
- Blue
- Yellow
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi 15 Ultra
90 %
Oppo Realme 8 Pro
83.3 %

Performance

Testing Xiaomi 15 Ultra and Oppo Realme 8 Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 720G
Max Frequency 4320 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 6/1.8 (Kryo 465 Silver (Cortex-A55))
- 2/2.3 (Kryo 465 Gold (Cortex-A76))
Process TSMC Samsung
Transistor Size 3 nm 8 nm
Neural Processor Hexagon Hexagon 692
Graphics Adreno 830 Adreno 618
GPU Cores 1536 256
GPU Frequency 1100 MHz 750 MHz
FLOPS 3379.2 GFLOPS 384 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 15 Ultra
3008
Oppo Realme 8 Pro
696
Geekbench 6 (Multi-Core)
Xiaomi 15 Ultra
9065
Oppo Realme 8 Pro
1842
Geekbench 6 (Single-Core)3008696
Geekbench 6 (Multi-Core)90651842
Sources: Geekbench v6 [Xiaomi 15 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi 15 Ultra
2544373
Oppo Realme 8 Pro
380482
CPU558586122880
GPU104016176972
Memory52030082260
UX42532698370
NanoReview Score2544373380482
3DMark Wild Life
3DMark Wild Life
Xiaomi 15 Ultra
n/a
Oppo Realme 8 Pro
1050
Max Surface Temp.n/a46.9 °C
Stabilityn/a99 %
Graphics Testn/a6 fps
Graphics Scoren/a1050
Sources: 3DMark [Oppo Realme 8 Pro]
PCMark 3.0
PCMark 3.0
Xiaomi 15 Ultra
n/a
Oppo Realme 8 Pro
9614
Writing scoren/a13121
Web scoren/a6730
Video editingn/a5913
Data manipulationn/a6887
NanoReview Scoren/a9614

Memory

RAM
RAM Size 12 GB - 6 GB
- 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 5333 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity256 GB128 GB
Storage TypeUFS 4.1UFS 2.1
Memory CardNoMicroSD

Software

OS Android 15 Android 11 (Upgradeable to Android 13)
OS Size 23.9 GB 13 GB
UI Skin HyperOS 2.0 Realme UI 4.0

Battery

Volume 5410 mAh 4500 mAh
Max Charging Power 90 W 50 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 (88% in 30 min)
Full Charge Time 0:51 h 0:39 h
Battery Life Test
Battery Life
Xiaomi 15 Ultra
30:03
Oppo Realme 8 Pro
24:06
Web Browsing12:19 h09:50 h
Video Playback18:43 h13:30 h
Games06:45 h05:43 h
Standby Mode141 h120 h

Main camera

Matrix 50 MP 108 MP
Photo resolution 8192x6144 pixels 12032x9204 pixels
Zoom Optical, 4.3x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (1080p) 960 fps (720p)
Wide-angle lens 115 ° 119 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Depth		 Standard: 108 MP
Ultra-wide: 8 MP
Macro: 2 MP
Monochrome: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP108 MP
Aperturef/1.63f/1.9
Focal length23 mm26 mm
SensorSony LYT-900Samsung S5KHM2
Sensor size1/1.01/1.52
Pixel size1.6 μm0.7 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix200 MPn/a
Aperturef/2.6n/a
Focal length100 mmn/a
SensorSamsung ISOCELL S5KHP9n/a
Sensor size1/1.4n/a
Pixel size0.56 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/2.2f/2.3
Focal length14 mm16 mm
SensorSamsung S5KJN5n/a
Sensor size1/2.761/4.0
Pixel size0.64 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 15 Ultra
158
Oppo Realme 8 Pro
112
Video quality
Xiaomi 15 Ultra
134
Oppo Realme 8 Pro
86
Overall camera score
Xiaomi 15 Ultra
153
Oppo Realme 8 Pro
103
Bokeh80n/a
Preview89n/a
Sources: DxOMark [Xiaomi 15 Ultra], [Oppo Realme 8 Pro]

Front camera

Matrix 32 MP 16 MP
Photo resolution 6528x4896 pixels 4920x3264 pixels
Aperture f/2.0 f/2.5
Focal length 22 mm n/a
Sensor Omnivision OV32B Sony IMX471
Sensor size 1/3.14 1/3.0
Pixel size 0.7 μm 1 μm
Autofocus No No
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 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 6.0 5
Bluetooth features LE LE, A2DP
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 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM 850/900/1800/1900MHz
3G BandsWCDMA 1/2/4/5/6/8/19UMTS 1/5/8
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)LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)
LTE categoryn/a15
5G SupportYesNo

Sound

Speakers n/a Mono
3.5 mm Jack No Yes
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Xiaomi 15 Ultra
92.1 dB
Oppo Realme 8 Pro
84.7 dB

Other

Class Flagship Mid-range
Announced February, 2025 yr March, 2021 yr
Release Date February, 2025 yr March, 2021 yr
Launch Price ($) n/a 350
MSRP ($) 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 n/a

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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