Vivo iQOO 15 vs Xiaomi Redmi K90 Pro Max

Compared 2 smartphones : Vivo iQOO 15 Manufactured in October, 2025, with display 6.85 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Xiaomi Redmi K90 Pro Max, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Vivo iQOO 15
  • Higher pixel density: 508ppi
  • Higher refresh rate: 144Hz
  • Newer Bluetooth version: 6.0 vs 5.4
Reasons to choose Xiaomi Redmi K90 Pro Max
  • Larger display: 6.9in
  • Lighter design: 218g vs 220g
  • Higher battery capacity: 7560mAh vs 7000mAh

Versions

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

Review

Key Specs Vivo iQOO 15 and Xiaomi Redmi K90 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
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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 AMOLED AMOLED
Size 6.85 in 6.9 in
Resolution 1440x3168 pixels 1200x2608 pixels
Aspect ratio 20:9 19.5:9
Pixel density 508 ppi 416 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness 2600 nits n/a
HDR support Yes, HDR10+ Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 90.2 % 91.9 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 163.65 mm (6.44 in) 163.33 mm (6.43 in)
Width 76.8 mm (3.02 in) 77.82 mm (3.06 in)
Thickness 8.1 mm (0.32 in) 7.9 mm (0.31 in)
Weight 220 g (7.76 oz) 218 g (7.69 oz)
Water resistance IP69 IP68
Cooling system Vapor chamber Vapor chamber
Frame Metal Metal
Colors - White
- Black
- Blue
- White
- Black
- Blue
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Vivo iQOO 15
90.2 %
Xiaomi Redmi K90 Pro Max
91.9 %

Performance

Testing Vivo iQOO 15 and Xiaomi Redmi K90 Pro Max In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 4600 MHz 4600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture 6/3.63 () 6/3.63 ()
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 840 Adreno 840
GPU Cores 1536 1536
GPU Frequency 1200 MHz 1200 MHz
FLOPS 3686.4 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo iQOO 15
3641
Xiaomi Redmi K90 Pro Max
3719
Geekbench 6 (Multi-Core)
Vivo iQOO 15
10982
Xiaomi Redmi K90 Pro Max
11287
Geekbench 6 (Single-Core)36413719
Geekbench 6 (Multi-Core)1098211287
Geekbench Compute (GPU)27923n/a
AnTuTu 10
AnTuTu 10
Vivo iQOO 15
4009400
Xiaomi Redmi K90 Pro Max
3865467
CPU11024631163106
GPU14296881394796
Memory516447546277
UX960802761288
NanoReview Score40094003865467

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5300 MHz 5300 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin OriginOS 6 HyperOS 3

Battery

Volume 7000 mAh 7560 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No Yes
Wireless Charging Yes (40 W) Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes Yes

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 3x Optical, 5x
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 240 fps (1080p) 960 fps (1080p)
Wide-angle lens n/a 102 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.7
Focal length23 mm23 mm
Sensorn/aOmnivision Light Hunter 950
Sensor size1/1.561/1.31
Pixel size1 μm1.2 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/2.7f/3.0
Focal lengthn/a115 mm
Sensor size1/1.951/2.76
Pixel size0.8 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.1f/2.4
Focal length15 mm18 mm
Sensor size1/2.761/2.88
Pixel size0.64 μm0.61 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Aperture f/2.2 f/2.2
Focal length 21 mm 21 mm
Sensor CMOS CMOS
Sensor size n/a 1/3.44
Pixel size n/a 0.64 μm
Autofocus No n/a
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 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 6.0 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM B3/B5/B8
3G BandsWCDMA B1/B2/B4/B5/B6/B8/B19WCDMA B1/B4/B5/B6/B8/B19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B66)LTE (B1/B3/B4/B5/B7/B8/B18/B19/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)
5G SupportYesYes

Sound

Speakers n/a 2.1
3.5 mm Jack No No
FM Radio No No

Other

Class Flagship Flagship
Announced October, 2025 yr October, 2025 yr
Release Date October, 2025 yr October, 2025 yr
MSRP ($) 590 n/a
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

No clear favorite identified yet; updates may follow as new data arrives.

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