Home Phone comparison Infinix Smart 9 and Vivo iQOO 15 Ultra - Which is better?

Infinix Smart 9 vs Vivo iQOO 15 Ultra

49 out 100
Infinix Smart 9
VS
94 out 100
Vivo iQOO 15 Ultra
Infinix Smart 9
Vivo iQOO 15 Ultra

Compared 2 smartphones : Infinix Smart 9 Manufactured in October, 2024, with display 6.7 with chipsetMediaTek Helio G81, 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 Infinix Smart 9
  • Lighter design: 188g vs 227g
Reasons to choose Vivo iQOO 15 Ultra
  • Larger display: 6.85in
  • Higher pixel density: 508ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7400mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 3/64 GB
- 3/128 GB
- 4/64 GB
- 4/128 GB		 - 16/256 GB
- 16/512 GB
- 16/1024 GB
- 24/1024 GB

Review

Key Specs Infinix Smart 9 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
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:
Infinix Smart 9
vs
Vivo iQOO 15 Ultra

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.7 in 6.85 in
Resolution 720x1600 pixels 1440x3168 pixels
Aspect ratio 20:9 20:9
Pixel density 262 ppi 508 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 500 nits 2600 nits
HDR support No Yes, HDR10+
Touch Sampling Rate 180 Hz n/a
Screen-to-body ratio 84.8 % 90.1 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 165.7 mm (6.52 in) 163.7 mm (6.44 in)
Width 77.1 mm (3.04 in) 76.8 mm (3.02 in)
Thickness 8.4 mm (0.33 in) 8.7 mm (0.34 in)
Weight 188 g (6.63 oz) 227 g (8.01 oz)
Water resistance IP54 IP69
Cooling system n/a Active fan
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Gold
- Gray
- Green		 - Black
- Silver
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Infinix Smart 9
84.8 %
Vivo iQOO 15 Ultra
90.1 %

Performance

Testing Infinix Smart 9 and Vivo iQOO 15 Ultra In benchmarks
Processor
Chipset MediaTek Helio G81 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2000 MHz 4600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process TSMC TSMC
Transistor Size 12 nm 3 nm
Neural Processor Yes Hexagon
Graphics Mali-G52 MP2 Adreno 840
GPU Cores 48 1536
GPU Frequency 820 MHz 1200 MHz
FLOPS 91.2 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Infinix Smart 9
408
Vivo iQOO 15 Ultra
3615
Geekbench 6 (Multi-Core)
Infinix Smart 9
1388
Vivo iQOO 15 Ultra
11366
Geekbench 6 (Single-Core)4083615
Geekbench 6 (Multi-Core)138811366
Sources: Geekbench v6 [Vivo iQOO 15 Ultra]
AnTuTu 10
AnTuTu 10
Infinix Smart 9
245635
Vivo iQOO 15 Ultra
4518403
CPU761941322001
GPU355601594848
Memory68746593523
UX651351008031
NanoReview Score2456354518403
3DMark Wild Life
Sources: 3DMark [Infinix Smart 9]
PCMark 3.0
PCMark 3.0
Infinix Smart 9
8438
Vivo iQOO 15 Ultra
n/a
Writing score8297n/a
Web score9760n/a
Video editing5057n/a
Data manipulation6160n/a
NanoReview Score8438n/a

Memory

RAM
RAM Size - 3 GB
- 4 GB		 16 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1800 MHz n/a
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeeMMC 5.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 14 Android 16
UI Skin XOS 14 OriginOS 6

Battery

Volume 5000 mAh 7400 mAh
Max Charging Power 10 W 100 W
Battery Type n/a Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (40 W)
Reverse Charging No Yes, (Wireless)
Fast Charging No Yes

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)
Wide-angle lens n/a 107 °
Lenses count Standard: 13 MP
Depth		 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/1.9f/1.9
Focal length27 mm23 mm
Sensorn/aSony IMX921
Sensor sizen/a1/1.56 (0.64)
Pixel sizen/a1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
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
Matrixn/a50 MP
Aperturen/af/2.1
Focal lengthn/a15 mm
Sensor sizen/a1/2.76 (0.36)
Pixel sizen/a0.64 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 32 MP
Photo resolution 3264x2448 pixels n/a
Aperture f/2.0 f/2.2
Focal length n/a 21 mm
Sensor n/a CMOS
Sensor size n/a 1/3.1 (0.32)
Pixel size n/a 0.7 μm
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 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 5.4
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
- Galileo		 - 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 *NoYes
Hybrid SlotNoNo
2G BandsGSM B2|3|5|8n/a
3G BandsWCDMA B1|2|4|5|8n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/12/B13/B17/B20/B25/B26/B28/B28/B38/B41/B40/B66)n/a
5G SupportNoYes

Sound

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

Other

Class Budget Flagship
Announced September, 2024 yr February, 2026 yr
Release Date October, 2024 yr February, 2026 yr
Launch Price ($) 100 n/a
MSRP ($) n/a 820
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 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 Ultra the clear winner in this comparison.

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