Redmi A4

Redmi A4 Comparison & Specs

Redmi A4

  • Snapdragon 4s Gen 2

    4 nm

  • 5160 mAh

    18W

  • 6.88"

    720 x 1612 pixels

  • 50 MP

    1080p@30fps

Vivo Y39

Vivo Y39 Comparison & Specs

Vivo Y39

  • Snapdragon 4 Gen 2

    4 nm

  • 6500 mAh

    44W

  • 6.68"

    720 x 1608 pixels

  • 50 MP

    1080p@30fps

General
Launch Date
November 20, 2024
March 27, 2025
Availability
Available Now
Available Now
OS
Android 14
Android 15
Custom UI
HyperOS 1.0
Funtouch 15
OS Updates
2 Years
2 Years
Security Updates
4 Years
3 Years
AI Features
Circle to Search (For 8GB RAM only)
Body
Dimensions
171.9 x 77.8 x 8.2 mm
165.7 x 76.3 x 8.3 mm
Thickness
8.2 mm
8.3 mm
Weight
212.4 g
205 g
Build Details
Glass back, Plastic Frame
Plastic Frame, Plastic Back
IP Rating
No
IP64 (dust tight and water resistant (water splashes), MIL-STD-810H compliant*)
Display
Size
6.88 inches
6.68 inches
Type
IPS LCD
IPS LCD
Refresh Rate
120 Hz
120 Hz
Peak Brightness
600 nits
1000 nits
Resolution
720 x 1612 pixels
720 x 1608 pixels
Pixel Density
257 ppi
264 ppi
Aspect Ratio
20:9
20:9
Screen to Body Ratio
85.0 %
84.9 %
Performance
Chipset
Qualcomm Snapdragon 4s Gen 2
Qualcomm Snapdragon 4 Gen 2
Process Size
4 nm
4 nm
CPU
Octa-core
2x2.2 GHz Cortex-A78
6x2.0 GHz Cortex-A55
Octa-core
2x2.2 GHz Cortex-A78
6x1.95 GHz Cortex-A55
GPU
Adreno
Adreno 613
RAM & Storage
4GB 64GB (UFS 2.2)
4GB 128GB (UFS 2.2)
8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
RAM Type
LPDDR4X
LPDDR4X
Expandable Memory
Yes
No
Camera
Main Camera
50 MP
f/1.8, (wide)
50 MP
f/1.8, (wide), PDAF

2 MP
f/2.4, (depth)
OIS
No
No
Features
LED flash, HDR
LED flash, HDR, panorama
Video Recording
1080p@30fps
1080p@30fps
Selfie Camera
5 MP
f/2.2, (wide)
8 MP
f/2.0, (wide)
Selfie Video Recording
1080p@30fps
1080p@30fps
Connectivity
SIM
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano

Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano
SIM 1 5G Bands
7 Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N78
8 Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N77, N78
SIM 2 5G Bands
7 Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N78
8 Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N77, N78
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 5
Wi-Fi 5
Wi-Fi Details
802.11 a/b/g/n/ac 5GHz
802.11 a/b/g/n/ac 5GHz
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0
USB Type-C 2.0, OTG
Bluetooth
5.3
5.0
NFC
No
No
GPS
Yes with A-GPS
Yes with A-GPS, Glonass
Infrared
Yes
No
UWB (Ultra Wideband)
No
No
Battery
Capacity
5160 mAh
6500 mAh
Type
Li-Polymer
Si/C Li-Ion
Removable
No
No
Wired charging
18W
44W
Charging Speed
74% in 60 min
Wireless Charging
No
No
Reverse Wireless Charging
No
No
Charger in the Box
Yes
Yes
Sound
Stereo Speakers
No
Yes
3.5mm Headphone Jack
Yes
No
FM Radio
No
No
Extra Features
Sensors
Fingerprint (side-mounted), accelerometer, compass
Side-mounted fingerprint sensor; accelerometer, gyroscope, proximity sensor, compass
Others
Virtual proximity sensing
Colors and Pricing
Colors
Sparkle Purple, Starry Black
Lotus Purple, Ocean Blue
Price in India
₹8499
₹16999
FAQs

In this comparison, the Vivo Y39 with the Qualcomm Snapdragon 4 Gen 2 (4nm) performs better than the Redmi A4 with the Qualcomm Snapdragon 4s Gen 2 (4nm), thanks to its more efficient chipset.

They offer the same OS update support. When it comes to security updates, Redmi A4 leads with 4 years of support.

Both phones use LCD panels. They have the same 120 Hz refresh rate. Vivo Y39 also has a brighter display with 1000 nits, improving outdoor visibility. These phones have the same resolution.

Vivo Y39 has a larger 6500 mAh battery for longer usage. Vivo Y39 supports faster wired charging at 44W.

Vivo Y39 has an IP64 rating, while Redmi A4 lacks official water and dust resistance.