Xiaomi Redmi 9C vs Vivo iQOO 15

35 out 100
Xiaomi Redmi 9C
VS
94 out 100
Vivo iQOO 15

Compared 2 smartphones : Xiaomi Redmi 9C Manufactured in September, 2020, with display 6.53 with chipsetMediaTek Helio G35, 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

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi 9C
  • Lighter design: 196g 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 5000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 2/64 GB
- 3/32 GB
- 3/64 GB
- 3/128 GB
- 4/128 GB
- 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Redmi 9C 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.
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:
vs

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.53 in 6.85 in
Resolution 720x1600 pixels 1440x3168 pixels
Aspect ratio 20:9 20:9
Pixel density 269 ppi 508 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 400 nits 2600 nits
HDR support No Yes, HDR10+
Screen-to-body ratio 81.1 % 90.2 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi 9C
413 nits
Vivo iQOO 15
n/a
sRGB gamut92.9 %n/a
PWM (Flicker)17120 Hzn/a
Response time47 msn/a
Contrast881:1n/a

Design & Build

Design and ergonomics comparison
Height 164.9 mm (6.49 in) 163.65 mm (6.44 in)
Width 77 mm (3.03 in) 76.8 mm (3.02 in)
Thickness 9 mm (0.35 in) 8.1 mm (0.32 in)
Weight 196 g (6.91 oz) 220 g (7.76 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Metal
Colors - Gray
- Blue
- Green
- Purple
- White
- Black
- Blue
Fingerprint sensor Yes rear Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi 9C
81.1 %
Vivo iQOO 15
90.2 %

Performance

Testing Xiaomi Redmi 9C and Vivo iQOO 15 In benchmarks
Processor
Chipset MediaTek Helio G35 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2300 MHz 4600 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Cortex-A53)
- 4/2.3 (Cortex-A53)
6/3.63 ()
Process TSMC TSMC
Transistor Size 12 nm 3 nm
Neural Processor No Hexagon
Graphics PowerVR GE8320 Adreno 840
GPU Cores 32 1536
GPU Frequency 680 MHz 1200 MHz
FLOPS 43.5 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 9C
479
Vivo iQOO 15
3641
Geekbench 6 (Multi-Core)
Xiaomi Redmi 9C
1522
Vivo iQOO 15
10982
Geekbench 6 (Single-Core)4793641
Geekbench 6 (Multi-Core)152210982
Geekbench Compute (GPU)n/a27923
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 9C
141956
Vivo iQOO 15
4009400
CPU545801102463
GPU177081429688
Memory37174516447
UX32494960802
NanoReview Score1419564009400

Memory

RAM
RAM Size - 2 GB
- 3 GB
- 4 GB
12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency n/a 5300 MHz
Channels 2 4
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB
256 GB
Storage TypeeMMC 5.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 10 (Upgradeable to Android 11) Android 16
OS Size 18 GB n/a
UI Skin MIUI 12 OriginOS 6

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 10 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (40 W)
Reverse Charging No No
Fast Charging No Yes
Full Charge Time 2:59 h n/a

Main camera

Matrix 13 MP 50 MP
Photo resolution 4128x3096 pixels 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 No 240 fps (1080p)
Lenses count Standard: 13 MP
Macro: 2 MP
Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features Bokeh effect - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix13 MP50 MP
Aperturef/1.8f/1.9
Focal length28 mm23 mm
Sensor size1/3.11/1.56
Pixel size1.12 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 5 MP 32 MP
Photo resolution 2560x1960 pixels n/a
Aperture f/2.2 f/2.2
Focal length n/a 21 mm
Sensor CMOS CMOS
Pixel size 1.12 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 4 (802.11 a/b/g/n) 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 Micro USB USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2/3/5/8GSM 850/900/1800/1900MHz
3G BandsWCDMA B1/2/4/5/8WCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B66)
LTE category4n/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 9C
77.7 dB
Vivo iQOO 15
n/a

Other

Class Budget Flagship
Announced June, 2020 yr October, 2025 yr
Release Date September, 2020 yr October, 2025 yr
Launch Price ($) 110 n/a
MSRP ($) n/a 590
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- 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 15 the clear winner in this comparison.

Survey

Which smartphone would you pick?
2 (100%)
0 (0%)
Total Votes: 2

User comments

Share your opinion or ask questions below