Xiaomi Redmi K80 Ultra vs Oppo Reno 15

Compared 2 smartphones : Xiaomi Redmi K80 Ultra Manufactured in June, 2025, with display 6.83 with chipsetMediaTek Dimensity 9400 Plus, vs Oppo Reno 15, Manufactured in January, 2026 with chipsetQualcomm Snapdragon 7 Gen 4. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi K80 Ultra
  • Larger display: 6.83in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7410mAh vs 6500mAh
Reasons to choose Oppo Reno 15
  • Higher pixel density: 460ppi
  • Lighter design: 197g vs 219g
  • Built-in eSIM

Versions

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

Review

Key Specs Xiaomi Redmi K80 Ultra and Oppo Reno 15
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

Display

Display quality comparison
Type OLED AMOLED
Size 6.83 in 6.59 in
Resolution 1280x2772 pixels 1256x2760 pixels
Aspect ratio 19.5:9 20:9
Pixel density 447 ppi 460 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes Yes (60-120 Hz)
Max brightness 1800 nits 600 nits
HDR support Yes Dolby Vision Yes, HDR10+
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 90 % 88.5 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi K80 Ultra
n/a
Oppo Reno 15
1312 nits

Design & Build

Design and ergonomics comparison
Height 163.4 mm (6.43 in) 158.3 mm (6.23 in)
Width 77.9 mm (3.07 in) 74.83 mm (2.95 in)
Thickness 8.2 mm (0.32 in) 7.77 mm (0.31 in)
Weight 219 g (7.72 oz) 197 g (6.95 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Gray
- Blue
- Green
- White
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi K80 Ultra
90 %
Oppo Reno 15
88.5 %

Performance

Testing Xiaomi Redmi K80 Ultra and Oppo Reno 15 In benchmarks
Processor
Chipset MediaTek Dimensity 9400 Plus Qualcomm Snapdragon 7 Gen 4
Max Frequency 3630 MHz 2800 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 4 + 3)
Architecture - 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)
- 3/1.84 (Kryo Silver (Cortex-520))
- 4/2.4 (Kryo Gold (Cortex-720))
- 1/2.8 (Kryo Prime (Cortex-720))
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor MediaTek NPU 890 Yes
Graphics Mali-G925 Immortalis MP12 n/a
GPU Cores 1536 n/a
GPU Frequency 1612 MHz n/a
FLOPS 4952.1 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi K80 Ultra
2676
Oppo Reno 15
1270
Geekbench 6 (Multi-Core)
Xiaomi Redmi K80 Ultra
8922
Oppo Reno 15
4106
Geekbench 6 (Single-Core)26761270
Geekbench 6 (Multi-Core)89224106
Geekbench Compute (GPU)23887n/a
AnTuTu 10
AnTuTu 10
Xiaomi Redmi K80 Ultra
2981860
Oppo Reno 15
1394716
CPU612803481018
GPU1209263327987
Memory643114249030
UX516680336681
NanoReview Score29818601394716

Memory

RAM
RAM Size 12 GB 8 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz n/a
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 3.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin HyperOS 2.0 ColorOS 16

Battery

Volume 7410 mAh 6500 mAh
Max Charging Power 100 W 80 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging Yes Yes
Fast Charging Yes Yes (68% in 30 min)
Full Charge Time n/a 0:57 h
Battery Life Test
Battery Life
Xiaomi Redmi K80 Ultra
n/a
Oppo Reno 15
29:05
Web Browsingn/a11:50 h
Video Playbackn/a17:46 h
Gamesn/a06:35 h
Standby Moden/a139 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 3.5x
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) 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 960 fps (1080p) 120 fps (1080p)
Wide-angle lens 119 ° 116 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length23 mm26 mm
SensorOmnivision OV50 Light Hunter 800Sony LYT-600
Sensor size1/1.551/1.95 (0.51)
Pixel size1 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.8
Focal lengthn/a85 mm
Sensorn/aSamsung ISOCELL JN5
Sensor sizen/a1/2.76 (0.36)
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal lengthn/a15 mm
SensorOmnivision OV08FOmniVision OV08D
Sensor size1/4.01/4.0 (0.25)
Pixel sizen/a1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Aperture n/a f/2.0
Focal length n/a 18 mm
Sensor Omnivision OV20B Samsung ISOCELL S5KJN5
Sensor size 1/2.0 1/2.76 (0.36)
Pixel size n/a 0.64 μm
Autofocus n/a Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) 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) Wi-Fi 6 (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 n/a 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G Bandsn/aGSM 850/900/1800/1900MHz
3G Bandsn/aWCDMA 1/2/4/5/8
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B66/B71)
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio n/a No
Dolby Atmos No No

Other

Class Flagship Mid-range
Announced June, 2025 yr January, 2026 yr
Release Date June, 2025 yr January, 2026 yr
MSRP ($) 900 549
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, 80 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi K80 Ultra the clear winner in this comparison.

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