Home Phone comparison Xiaomi Redmi K80 Ultra and Vivo iQOO 15 Ultra - Which is better?

Xiaomi Redmi K80 Ultra vs Vivo iQOO 15 Ultra

88 out 100
Xiaomi Redmi K80 Ultra
VS
94 out 100
Vivo iQOO 15 Ultra
Xiaomi Redmi K80 Ultra
Vivo iQOO 15 Ultra

Compared 2 smartphones : Xiaomi Redmi K80 Ultra Manufactured in June, 2025, with display 6.83 with chipsetMediaTek Dimensity 9400 Plus, vs Vivo iQOO 15 Ultra, Manufactured in February, 2026 with chipsetQualcomm Snapdragon 8 Elite Gen 5. 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 Redmi K80 Ultra
  • Lighter design: 219g vs 227g
  • Higher battery capacity: 7410mAh vs 7400mAh
Reasons to choose Vivo iQOO 15 Ultra
  • Larger display: 6.85in
  • Higher pixel density: 508ppi
  • Supports DisplayPort
  • Supports Dolby Atmos
  • 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		 - 16/256 GB
- 16/512 GB
- 16/1024 GB
- 24/1024 GB

Review

Key Specs Xiaomi Redmi K80 Ultra and Vivo iQOO 15 Ultra
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
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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 Redmi K80 Ultra
vs
Vivo iQOO 15 Ultra

Display

Display quality comparison
Type OLED AMOLED
Size 6.83 in 6.85 in
Resolution 1280x2772 pixels 1440x3168 pixels
Aspect ratio 19.5:9 20:9
Pixel density 447 ppi 508 ppi
Refresh rate 144 Hz 144 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 1800 nits 2600 nits
HDR support Yes Dolby Vision Yes, HDR10+
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 90 % 90.1 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 163.4 mm (6.43 in) 163.7 mm (6.44 in)
Width 77.9 mm (3.07 in) 76.8 mm (3.02 in)
Thickness 8.2 mm (0.32 in) 8.7 mm (0.34 in)
Weight 219 g (7.72 oz) 227 g (8.01 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Active fan
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Gray
- Blue
- Green		 - Black
- Silver
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi K80 Ultra
90 %
Vivo iQOO 15 Ultra
90.1 %

Performance

Testing Xiaomi Redmi K80 Ultra and Vivo iQOO 15 Ultra In benchmarks
Processor
Chipset MediaTek Dimensity 9400 Plus Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 3630 MHz 4600 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2.4 (Cortex-A720)
- 3/3.3 (Cortex-X4)
- 1/3.73 (Cortex-X925)		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor MediaTek NPU 890 Hexagon
Graphics Mali-G925 Immortalis MP12 Adreno 840
GPU Cores 1536 1536
GPU Frequency 1612 MHz 1200 MHz
FLOPS 4952.1 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi K80 Ultra
2676
Vivo iQOO 15 Ultra
3615
Geekbench 6 (Multi-Core)
Xiaomi Redmi K80 Ultra
8922
Vivo iQOO 15 Ultra
11366
Geekbench 6 (Single-Core)26763615
Geekbench 6 (Multi-Core)892211366
Geekbench Compute (GPU)23887n/a
Sources: Geekbench v6 [Xiaomi Redmi K80 Ultra], [Vivo iQOO 15 Ultra]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi K80 Ultra
2981860
Vivo iQOO 15 Ultra
4518403
CPU6128031322001
GPU12092631594848
Memory643114593523
UX5166801008031
NanoReview Score29818604518403

Memory

RAM
RAM Size 12 GB 16 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz n/a
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin HyperOS 2.0 OriginOS 6

Battery

Volume 7410 mAh 7400 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (40 W)
Reverse Charging Yes Yes, (Wireless)
Fast Charging Yes Yes

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
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) 240 fps (1080p)
Wide-angle lens 119 ° 107 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.9
Focal length23 mm23 mm
SensorOmnivision OV50 Light Hunter 800Sony IMX921
Sensor size1/1.551/1.56 (0.64)
Pixel size1 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.7
Sensorn/aSony IMX882
Sensor sizen/a1/1.95 (0.51)
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP50 MP
Aperturef/2.2f/2.1
Focal lengthn/a15 mm
SensorOmnivision OV08Fn/a
Sensor size1/4.01/2.76 (0.36)
Pixel sizen/a0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 32 MP
Aperture n/a f/2.2
Focal length n/a 21 mm
Sensor Omnivision OV20B CMOS
Sensor size 1/2.0 1/3.1 (0.32)
Pixel size n/a 0.7 μm
Autofocus n/a No
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 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 5.4 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version n/a 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a 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 *NoYes
Hybrid SlotNoNo
5G SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced June, 2025 yr February, 2026 yr
Release Date June, 2025 yr February, 2026 yr
MSRP ($) 900 820
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, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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