Home Phone comparison Xiaomi Redmi 7A and Vivo iQOO 15 - Which is better?

Xiaomi Redmi 7A vs Vivo iQOO 15

31 out 100
Xiaomi Redmi 7A
VS
94 out 100
Vivo iQOO 15
Xiaomi Redmi 7A
Vivo iQOO 15

Compared 2 smartphones : Xiaomi Redmi 7A Manufactured in June, 2019, with display 5.45 with chipsetQualcomm Snapdragon 439, 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 7A
  • Lighter design: 165g 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 4000mAh
  • Newer Bluetooth version: 6.0 vs 4.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Infrared port
  • Includes charger
  • Fingerprint scanner

Versions

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

Review

Key Specs Xiaomi Redmi 7A 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
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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:
Xiaomi Redmi 7A
vs
Vivo iQOO 15

Display

Display quality comparison
Type IPS LCD AMOLED
Size 5.45 in 6.85 in
Resolution 720x1440 pixels 1440x3168 pixels
Aspect ratio 18:9 20:9
Pixel density 295 ppi 508 ppi
Refresh rate 60 Hz 144 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 530 nits 2600 nits
HDR support No Yes, HDR10+
Screen-to-body ratio 74.4 % 90.2 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi 7A
506 nits
Vivo iQOO 15
n/a
sRGB gamut94.2 %n/a
PWM (Flicker)384 Hzn/a
Response time27 msn/a
Contrast888:1n/a
Sources: NotebookCheck [Xiaomi Redmi 7A]

Design & Build

Design and ergonomics comparison
Height 146.3 mm (5.76 in) 163.65 mm (6.44 in)
Width 70.4 mm (2.77 in) 76.8 mm (3.02 in)
Thickness 9.5 mm (0.37 in) 8.1 mm (0.32 in)
Weight 165 g (5.82 oz) 220 g (7.76 oz)
Water resistance IPX4 IP69
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Metal
Colors - Black
- Blue
- Red		 - White
- Black
- Blue
Fingerprint sensor No Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi 7A
74.4 %
Vivo iQOO 15
90.2 %

Performance

Testing Xiaomi Redmi 7A and Vivo iQOO 15 In benchmarks
Processor
Chipset Qualcomm Snapdragon 439 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2000 MHz 4600 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.45 (Cortex-A53)
- 4/2 (Cortex-A53)		 6/3.63 ()
Process Samsung TSMC
Transistor Size 12 nm 3 nm
Neural Processor Hexagon 536 Hexagon
Graphics Adreno 505 Adreno 840
GPU Cores 48 1536
GPU Frequency 450 MHz 1200 MHz
FLOPS 43.2 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 7A
477
Vivo iQOO 15
3641
Geekbench 6 (Multi-Core)
Xiaomi Redmi 7A
1521
Vivo iQOO 15
10982
Geekbench 6 (Single-Core)4773641
Geekbench 6 (Multi-Core)152110982
Geekbench Compute (GPU)n/a27923
Sources: Geekbench v6 [Vivo iQOO 15]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 7A
118018
Vivo iQOO 15
4009400
CPU376651102463
GPU144711429688
Memory26778516447
UX39104960802
NanoReview Score1180184009400

Memory

RAM
RAM Size 2 GB 12 GB
Memory Type LPDDR3 LPDDR5X
Memory Frequency 933 MHz 5300 MHz
Channels 1 4
Storage
Storage Capacity- 16 GB
- 32 GB		256 GB
Storage TypeeMMC 5.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 9.0 (Upgradeable to Android 10) Android 16
OS Size 6.4 GB n/a
UI Skin MIUI 12 OriginOS 6

Battery

Volume 4000 mAh 7000 mAh
Max Charging Power n/a 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 2:35 h n/a
Battery Life Test
Battery Life
Xiaomi Redmi 7A
17:13
Vivo iQOO 15
n/a
Web Browsing06:26 hn/a
Video Playback09:44 hn/a
Games04:10 hn/a
Standby Mode90 hn/a

Main camera

Matrix 12 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: 12 MP Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix12 MP50 MP
Aperturef/2.2f/1.9
Focal lengthn/a23 mm
SensorSony IMX486n/a
Sensor size1/2.91/1.56
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 2592x1944 pixels n/a
Aperture f/2.2 f/2.2
Focal length n/a 21 mm
Sensor GalaxyCore CMOS
Sensor size 1/5 n/a
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 - 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 4.2 6.0
Bluetooth features LE, A2DP LE
USB type Micro USB USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- USB-Host mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou		 - 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 *NoNo
Hybrid SlotNoNo
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900GSM 850/900/1800/1900MHz
3G BandsHSDPA 900, HSDPA 2100WCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*LTE (B800/B900/B1800/B1900/B2300/B2500/B2600)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 7A
82 dB
Vivo iQOO 15
n/a

Other

Class Budget Flagship
Announced May, 2019 yr October, 2025 yr
Release Date June, 2019 yr October, 2025 yr
Launch Price ($) 85 n/a
MSRP ($) n/a 590
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass		 - 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.

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