Xiaomi Redmi 9A vs Vivo iQOO 15 Ultra

Compared 2 smartphones : Xiaomi Redmi 9A Manufactured in August, 2020, with display 6.53 with chipsetMediaTek Helio G25, 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

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi 9A
  • Lighter design: 194g 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
  • Infrared port
  • Built-in eSIM
  • Includes charger
  • Fingerprint scanner

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB
- 24/1024 GB

Review

Key Specs Xiaomi Redmi 9A 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
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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 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 % 90.1 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi 9A
434 nits
Vivo iQOO 15 Ultra
n/a
sRGB gamut92.9 %n/a
Response time40 msn/a
Contrast1318:1n/a

Design & Build

Design and ergonomics comparison
Height 164.9 mm (6.49 in) 163.7 mm (6.44 in)
Width 77 mm (3.03 in) 76.8 mm (3.02 in)
Thickness 9 mm (0.35 in) 8.7 mm (0.34 in)
Weight 194 g (6.84 oz) 227 g (8.01 oz)
Water resistance No IP69
Cooling system n/a Active fan
Back panel Plastic Glass
Frame Plastic Metal
Colors - Gray
- Blue
- Green
- Black
- Silver
Fingerprint sensor No Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi 9A
81.1 %
Vivo iQOO 15 Ultra
90.1 %

Performance

Testing Xiaomi Redmi 9A and Vivo iQOO 15 Ultra In benchmarks
Processor
Chipset MediaTek Helio G25 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2000 MHz 4600 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.5 (Cortex-A53)
- 4/2 (Cortex-A53)
- 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 No Hexagon
Graphics PowerVR GE8320 Adreno 840
GPU Cores 32 1536
GPU Frequency 650 MHz 1200 MHz
FLOPS 41.8 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 9A
472
Vivo iQOO 15 Ultra
3615
Geekbench 6 (Multi-Core)
Xiaomi Redmi 9A
1524
Vivo iQOO 15 Ultra
11366
Geekbench 6 (Single-Core)4723615
Geekbench 6 (Multi-Core)152411366
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 9A
125125
Vivo iQOO 15 Ultra
4518403
CPU507281322001
GPU168441594848
Memory28611593523
UX289421008031
NanoReview Score1251254518403

Memory

RAM
RAM Size - 2 GB
- 4 GB
- 6 GB
16 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1600 MHz n/a
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 11 GB n/a
UI Skin MIUI 12.5 Enhanced OriginOS 6

Battery

Volume 5000 mAh 7400 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 Yes, (Wireless)
Fast Charging No Yes
Full Charge Time 2:55 h n/a
Battery Life Test
Battery Life
Xiaomi Redmi 9A
24:07
Vivo iQOO 15 Ultra
n/a
Web Browsing10:08 hn/a
Video Playback13:37 hn/a
Games05:37 hn/a
Standby Mode118 hn/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)
Wide-angle lens n/a 107 °
Lenses count Standard: 13 MP Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix13 MP50 MP
Aperturef/2.2f/1.9
Focal length28 mm23 mm
Sensorn/aSony IMX921
Sensor sizen/a1/1.56 (0.64)
Pixel size1 μm1 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 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
Sensor size n/a 1/3.1 (0.32)
Pixel size 1.12 μm 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 4 (802.11 a/b/g/n) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - 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, 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* No Yes
Infrared Port No 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/B20/B28)n/a
LTE category4n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi 9A
76.5 dB
Vivo iQOO 15 Ultra
n/a

Other

Class Budget Flagship
Announced June, 2020 yr February, 2026 yr
Release Date August, 2020 yr February, 2026 yr
Launch Price ($) 100 n/a
MSRP ($) n/a 820
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light 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 Ultra the clear winner in this comparison.

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