Home Phone comparison Xiaomi Redmi Note 9S and Vivo iQOO 15R - Which is better?

Xiaomi Redmi Note 9S vs Vivo iQOO 15R

49 out 100
Xiaomi Redmi Note 9S
VS
88 out 100
Vivo iQOO 15R
Xiaomi Redmi Note 9S
Vivo iQOO 15R

Compared 2 smartphones : Xiaomi Redmi Note 9S Manufactured in April, 2020, with display 6.67 with chipsetQualcomm Snapdragon 720G, vs Vivo iQOO 15R, Manufactured in March, 2026 with chipsetQualcomm Snapdragon 8 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 9S
  • Larger display: 6.67in
Reasons to choose Vivo iQOO 15R
  • Higher pixel density: 459ppi
  • Higher refresh rate: 144Hz
  • Lighter design: 202g vs 210g
  • Higher battery capacity: 7600mAh vs 5020mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports DisplayPort
  • Includes charger

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB		 - 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Xiaomi Redmi Note 9S and Vivo iQOO 15R
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.
Customize your score
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 Note 9S
vs
Vivo iQOO 15R

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.67 in 6.59 in
Resolution 1080x2400 pixels 1260x2750 pixels
Aspect ratio 20:9 19.5:9
Pixel density 395 ppi 459 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 628 nits n/a
HDR support Yes HDR10 Yes, HDR10+
Screen-to-body ratio 84 % 90.8 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi Note 9S
571 nits
Vivo iQOO 15R
n/a
sRGB gamut114.9 %n/a
Response time34 msn/a
Contrast1111:1n/a
Sources: NotebookCheck [Xiaomi Redmi Note 9S]

Design & Build

Design and ergonomics comparison
Height 166 mm (6.54 in) 157.61 mm (6.21 in)
Width 77 mm (3.03 in) 74.42 mm (2.93 in)
Thickness 8.8 mm (0.35 in) 7.9 mm (0.31 in)
Weight 210 g (7.41 oz) 202 g (7.13 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Glass Plastic
Frame Plastic Metal
Colors - White
- Black
- Blue		 - Black
- Silver
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi Note 9S
84 %
Vivo iQOO 15R
90.8 %

Performance

Testing Xiaomi Redmi Note 9S and Vivo iQOO 15R In benchmarks
Processor
Chipset Qualcomm Snapdragon 720G Qualcomm Snapdragon 8 Gen 5
Max Frequency 2300 MHz 3000 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Kryo 465 Silver (Cortex-A55))
- 2/2.3 (Kryo 465 Gold (Cortex-A76))		 6/3.32 ()
Process Samsung TSMC
Transistor Size 8 nm 3 nm
Neural Processor Hexagon 692 Hexagon
Graphics Adreno 618 Adreno 829
GPU Cores 256 1024
GPU Frequency 750 MHz 1200 MHz
FLOPS 384 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 9S
722
Vivo iQOO 15R
2698
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 9S
1880
Vivo iQOO 15R
8830
Geekbench 6 (Single-Core)7222698
Geekbench 6 (Multi-Core)18808830
Geekbench Compute (GPU)n/a21113
Sources: Geekbench v6 [Vivo iQOO 15R]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 9S
387217
Vivo iQOO 15R
3272562
CPU1309881018344
GPU90091997845
Memory72615433367
UX93523823006
NanoReview Score3872173272562
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi Note 9S
1041
Vivo iQOO 15R
n/a
Max Surface Temp.42.4 °Cn/a
Stability98 %n/a
Graphics Test6 fpsn/a
Graphics Score1041n/a
Sources: 3DMark [Xiaomi Redmi Note 9S]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi Note 9S
8091
Vivo iQOO 15R
n/a
Writing score9663n/a
Web score5943n/a
Video editing5437n/a
Data manipulation6802n/a
NanoReview Score8091n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB		 8 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz n/a
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeUFS 2.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 10.0 (Upgradeable to Android 12) Android 16
OS Size 18 GB n/a
UI Skin MIUI 14 OriginOS 6

Battery

Volume 5020 mAh 7600 mAh
Max Charging Power 18 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (50% in 50 min) Yes (46% in 30 min)
Full Charge Time 2:30 h 1:04 h
Battery Life Test
Battery Life
Xiaomi Redmi Note 9S
26:58
Vivo iQOO 15R
n/a
Web Browsing10:56 hn/a
Video Playback15:15 hn/a
Games05:45 hn/a
Standby Mode136 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) n/a
Wide-angle lens 119 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix48 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mmn/a
SensorSamsung S5KGM2n/a
Sensor size1/2n/a
Pixel size0.8 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm15 mm
SensorOmnivision OV8856n/a
Sensor size1/4.01/4.0 (0.25)
Pixel size1.12 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.5 f/2.2
Sensor Omnivision OV16A1Q n/a
Sensor size 1/3.06 n/a
Pixel size 1 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 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 6.0
Bluetooth features LE, HID, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* No 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 / 2100 / 2600 / 2300 / 2500GSM 850/900/1800MHz
3G BandsHSDPA 850 / 900 / 1900 / 2100WCDMA B1/B5/B6/B8/B19
LTE Bands*LTE (B850/B900/B1800/B2100/B2300/B2500/B2600)LTE (B1/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B32/B71)
LTE category12n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No n/a
Speaker Test
Max Volume
Xiaomi Redmi Note 9S
81 dB
Vivo iQOO 15R
n/a

Other

Class Mid-range Mid-range
Announced March, 2020 yr February, 2026 yr
Release Date April, 2020 yr March, 2026 yr
Launch Price ($) 200 n/a
MSRP ($) n/a 495
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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