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

  • Specs Redmi A4 Amazon Link

Vivo Y18t 4G

Vivo Y18t 4G Comparison & Specs

Vivo Y18t 4G

  • Unisoc T612

    12 nm

  • 5000 mAh

    15W

  • 6.56"

    720 x 1612 pixels

  • 50 MP

    1080p@30fps

  • Specs Vivo Y18t 4G Amazon Link
General
Launch Date
November 20, 2024
November 12, 2024
Availability
Available Now
November 12
OS
Android 14
Android 14
Custom UI
HyperOS 1.0
Funtouch 14
OS Updates
2 Years
Security Updates
4 Years
Body
Dimensions
171.9 x 77.8 x 8.2 mm
163.6 x 75.6 x 8.4 mm
Thickness
8.2 mm
8.4 mm
Weight
212.4 g
185 g
Build Details
Glass back, Plastic Frame
Plastic Frame, Plastic Back
IP Rating
No
IP54
Display
Size
6.88 inches
6.56 inches
Type
IPS LCD
IPS LCD
Refresh Rate
120 Hz
90 Hz
Peak Brightness
600 nits
840 nits
Resolution
720 x 1612 pixels
720 x 1612 pixels
Pixel Density
257 ppi
269 ppi
Aspect Ratio
20:9
20:9
Screen to Body Ratio
85.0 %
83.6 %
Performance
Chipset¹
Qualcomm Snapdragon 4s Gen 2
Unisoc Unisoc T612
Process Size
4 nm
12 nm
CPU
Octa-core
2x2.2 GHz Cortex-A78
6x2.0 GHz Cortex-A55
Octa-core
2x1.8 GHz Cortex-A75
6x1.8 GHz Cortex-A55
GPU
Adreno
Mali-G57 MP1
RAM & Storage
4GB 64GB (UFS 2.2)
4GB 128GB (UFS 2.2)
4GB 128GB (eMMC 5.1)
RAM Type
LPDDR4X
LPDDR4X
Expandable Memory
Yes
Yes
Camera
Main Camera
50 MP
f/1.8, (wide)
50 MP
f/1.8, (wide), PDAF
Auxiliary lens
OIS
No
No
Features
LED flash, HDR
LED flash, 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
Yes
Connectivity
SIM
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano

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

FDD: N1, N3, N5, N8, N28
TDD: N40, N78
No 5G Support (Supports 4G Only)
SIM 2
7 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N78
No 5G Support (Supports 4G Only)
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
5.2
NFC
No
No
GPS
Yes with A-GPS
Yes with A-GPS, Glonass
Infrared
Yes
Yes
UWB (Ultra Wideband)
No
No
Battery
Capacity
5160 mAh
5000 mAh
Type
Li-Polymer
Li-ion
Removable
No
No
Wired charging
18W
15W
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
Yes
FM Radio
No
Yes
Extra Features
Sensors
Fingerprint (side-mounted), accelerometer, compass
Accelerometer, proximity, compass
Others
Virtual proximity sensing
Colors and Pricing
Colors
Sparkle Purple, Starry Black
Space Black, Gem Green
Price in India
₹7998
₹9499
FAQs

In this performance comparison, the Redmi A4 with its Qualcomm Snapdragon 4s Gen 2 (4nm) performs better than the Vivo Y18t 4G with the Unisoc Unisoc T612 (12nm), thanks to superior chipset efficiency.

Both Redmi A4 and Vivo Y18t 4G use LCD screens. In terms of smoothness, Redmi A4 offers a higher 120 Hz refresh rate, ensuring fluid scrolling and animations. Vivo Y18t 4G also boasts a brighter screen with 840 nits of peak brightness, enhancing outdoor visibility. Both phones have the same screen resolution.

Redmi A4 comes with a larger 5160 mAh battery, which may offer longer usage on a single charge. Redmi A4 also supports faster wired charging at 18W, compared to 15W on Vivo Y18t 4G.

Vivo Y18t 4G includes an IP54 rating, while Redmi A4 lacks an official IP rating.

¹ Scores can vary even with the same chipset due to RAM, thermals, and software optimization.