Home Phone comparison Xiaomi Redmi Note 15 5G and Vivo iQOO 15 - Which is better?

Xiaomi Redmi Note 15 5G vs Vivo iQOO 15

63 out 100
Xiaomi Redmi Note 15 5G
VS
94 out 100
Vivo iQOO 15
Xiaomi Redmi Note 15 5G
Vivo iQOO 15

Compared 2 smartphones : Xiaomi Redmi Note 15 5G Manufactured in August, 2025, with display 6.77 with chipsetQualcomm Snapdragon 6 Gen 3, vs Vivo iQOO 15, Manufactured in October, 2025 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 Note 15 5G
  • Lighter design: 178g vs 220g
Reasons to choose Vivo iQOO 15
  • Larger display: 6.85in
  • Higher pixel density: 508ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 5800mAh
  • Newer Bluetooth version: 6.0 vs 5.1
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort

Versions

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

Review

Key Specs Xiaomi Redmi Note 15 5G and Vivo iQOO 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
Smartphones:
Redmi Note 15 5G
vs
Vivo iQOO 15

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.77 in 6.85 in
Resolution 1080x2340 pixels 1440x3168 pixels
Aspect ratio n/a 20:9
Pixel density 388 ppi 508 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (1-120 Hz)
Max brightness n/a 2600 nits
HDR support No Yes, HDR10+
Screen-to-body ratio 89.1 % 90.2 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 165 mm (6.5 in) 163.65 mm (6.44 in)
Width 75.4 mm (2.97 in) 76.8 mm (3.02 in)
Thickness 7.4 mm (0.29 in) 8.1 mm (0.32 in)
Weight 178 g (6.28 oz) 220 g (7.76 oz)
Water resistance IP68 IP69
Cooling system n/a Vapor chamber
Frame Plastic Metal
Colors - White
- Black
- Blue		 - White
- Black
- Blue
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi Note 15 5G
89.1 %
Vivo iQOO 15
90.2 %

Performance

Testing Xiaomi Redmi Note 15 5G and Vivo iQOO 15 In benchmarks
Processor
Chipset Qualcomm Snapdragon 6 Gen 3 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2400 MHz 4600 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Cortex-A55)
- 4/2.4 (Cortex-A78)		 6/3.63 ()
Process Samsung TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 710 Adreno 840
GPU Cores 256 1536
GPU Frequency 1010 MHz 1200 MHz
FLOPS 517.1 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 15 5G
1015
Vivo iQOO 15
3641
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 15 5G
2890
Vivo iQOO 15
10982
Geekbench 6 (Single-Core)10153641
Geekbench 6 (Multi-Core)289010982
Geekbench Compute (GPU)n/a27923
Sources: Geekbench v6 [Vivo iQOO 15]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 15 5G
608985
Vivo iQOO 15
4009400
CPU2007171102463
GPU1413881429688
Memory118625516447
UX148255960802
NanoReview Score6089854009400

Memory

RAM
RAM Size 6 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 2.2UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin HyperOS 2.0 OriginOS 6

Battery

Volume 5800 mAh 7000 mAh
Max Charging Power 45 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (40 W)
Reverse Charging Yes No
Fast Charging Yes Yes

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Optical, 3x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 240 fps (1080p)
Lenses count Standard: 50 MP
Depth: 2 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/1.8f/1.9
Focal lengthn/a23 mm
Sensor size1/21/1.56
Pixel size0.64 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.7
Sensor sizen/a1/1.95
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.1
Focal lengthn/a15 mm
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 32 MP
Aperture f/2.0 f/2.2
Focal length n/a 21 mm
Sensor n/a CMOS
Autofocus No 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 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- 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 5.1 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - 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 *NoNo
Hybrid SlotNoNo
2G Bandsn/aGSM 850/900/1800/1900MHz
3G Bandsn/aWCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B66)
5G SupportYesYes

Sound

3.5 mm Jack Yes No
FM Radio Yes No

Other

Class Mid-range Flagship
Announced August, 2025 yr October, 2025 yr
Release Date August, 2025 yr October, 2025 yr
MSRP ($) n/a 590
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 45 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Vivo iQOO 15 the clear winner in this comparison.

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