Home Phone comparison Xiaomi 17 Ultra and Oppo Reno 15 Pro Max - Which is better?

Xiaomi 17 Ultra vs Oppo Reno 15 Pro Max

95 out 100
Xiaomi 17 Ultra
VS
81 out 100
Oppo Reno 15 Pro Max
Xiaomi 17 Ultra
Oppo Reno 15 Pro Max

Compared 2 smartphones : Xiaomi 17 Ultra Manufactured in December, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Oppo Reno 15 Pro Max, Manufactured in January, 2026 with chipsetMediaTek Dimensity 8450. 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 17 Ultra
  • Larger display: 6.9in
  • Higher battery capacity: 6800mAh vs 6500mAh
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
Reasons to choose Oppo Reno 15 Pro Max
  • Higher pixel density: 450ppi
  • Lighter design: 205g vs 224g

Versions

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

Review

Key Specs Xiaomi 17 Ultra and Oppo Reno 15 Pro Max
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 17 Ultra
vs
Oppo Reno 15 Pro Max

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.9 in 6.78 in
Resolution 1200x2608 pixels 1272x2772 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 416 ppi 450 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness 1200 nits 1800 nits
HDR support Yes, Dolby Vision Yes, HDR10+
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 92.4 % 91.6 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 162.9 mm (6.41 in) 161.26 mm (6.35 in)
Width 77.6 mm (3.06 in) 76.46 mm (3.01 in)
Thickness 8.29 mm (0.33 in) 7.65 mm (0.3 in)
Weight 224 g (7.9 oz) 205 g (7.23 oz)
Water resistance IP69 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Eco Leather Glass
Frame Metal Metal
Colors - White
- Black
- Green
- Purple		 - Gold
- Brown
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 17 Ultra
92.4 %
Oppo Reno 15 Pro Max
91.6 %

Performance

Testing Xiaomi 17 Ultra and Oppo Reno 15 Pro Max In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 MediaTek Dimensity 8450
Max Frequency 4610 MHz 3250 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture 6/3.63 () - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon MediaTek NPU 880
Graphics Adreno 840 n/a
GPU Cores 1536 n/a
GPU Frequency 1200 MHz n/a
FLOPS 3686.4 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 17 Ultra
3510
Oppo Reno 15 Pro Max
1608
Geekbench 6 (Multi-Core)
Xiaomi 17 Ultra
10993
Oppo Reno 15 Pro Max
6321
Geekbench 6 (Single-Core)35101608
Geekbench 6 (Multi-Core)109936321
Sources: Geekbench v6 [Oppo Reno 15 Pro Max]
AnTuTu 10
AnTuTu 10
Xiaomi 17 Ultra
3963774
Oppo Reno 15 Pro Max
2131620
CPU1198653671568
GPU1458267654429
Memory501472282208
UX805382523415
NanoReview Score39637742131620

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5300 MHz 4266 MHz
Channels 4 4
Storage
Storage Capacity512 GB256 GB
Storage TypeUFS 4.1UFS 3.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin HyperOS 3 ColorOS 16

Battery

Volume 6800 mAh 6500 mAh
Max Charging Power 90 W 80 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) Yes (50 W)
Reverse Charging Yes, (Wireless) Yes
Fast Charging Yes Yes (70% in 30 min)
Full Charge Time n/a 0:58 h

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels n/a
Zoom Optical, 4.3x Optical, 3.5x
Flash Dual LED 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 120 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (720p) 960 fps (720p)
Wide-angle lens 115 ° 100 °
Lenses count Standard: 50 MP
Telephoto: 200 MP
Ultra-wide: 50 MP		 Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP200 MP
Aperturef/1.7f/1.8
Focal length23 mm24 mm
Sensorn/aSamsung ISOCELL HP5
Sensor size1/1 (1)1/1.56 (0.64)
Pixel size1.6 μm0.5 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix200 MP50 MP
Aperturef/2.4 - 3.0f/2.8
Focal length100 mm85 mm
Sensor size1/1.4 (0.71)n/a
Pixel size0.56 μmn/a
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.2f/2.0
Focal length14 mm16 mm
SensorOmniVision OV50M40n/a
Sensor size1/2.88 (0.35)n/a
Pixel size0.61 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Aperture f/2.2 f/2.0
Focal length n/a 18 mm
Sensor CMOS n/a
Sensor size 1/2.88 (0.35) n/a
Pixel size 0.61 μm n/a
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) 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 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 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
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
2G BandsGSM B2 / B3 / B5 / B8GSM 850/900/1800/1900MHz
3G BandsWCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19WCDMA 1/2/4/5/6/8/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66/B71)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66)
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No

Other

Class Flagship Flagship
Announced December, 2025 yr January, 2026 yr
Release Date December, 2025 yr January, 2026 yr
MSRP ($) n/a 800
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, 100 W Yes, 80 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 17 Ultra the clear winner in this comparison.

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