Redmi A4 vs Vivo Y18i – Price, Specs & Features

Q: Which phone has better performance, the Redmi A4 or the Vivo Y18i?

In this comparison, the Redmi A4 with the Snapdragon 4s Gen 2 (4 nm) performs better than the Vivo Y18i with the Unisoc T612 (12 nm), thanks to its more efficient chipset.

Redmi A4 alternatives

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Vivo Y18i alternatives

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Tecno Pop 9 4G

Samsung Galaxy F06 5G

Poco C75

Lava Shark 4G

Samsung Galaxy F14 4G

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Redmi A4

Snapdragon 4s Gen 2
4 nm
5160 mAh
18W
6.88"
720 x 1612 pixels
50 MP
1080p@30fps

Vivo Y18i

Unisoc T612
12 nm
5000 mAh
15W
6.56"
720x1612 pixels
13 MP
1080p@30fps

Vivo Y18i

General

Launch Date

November 20, 2024

August 23, 2024

Availability

Available Now

Android 14

Custom UI

HyperOS 1.0

Funtouch 14

OS Updates

2 Years

1 Years

Security Updates

4 Years

2 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

IP54 (dust and splash resistant)

Display

Size

6.88 inches

6.56 inches

Type

IPS LCD

Refresh Rate

120 Hz

90 Hz

Peak Brightness

600 nits

528 nits

Resolution

720 x 1612 pixels

720x1612 pixels

Pixel Density

257 ppi

269 ppi

Aspect Ratio

20:9

Screen to Body Ratio

85.0 %

83.6 %

Performance

Chipset

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 64GB (eMMC 5.1)

RAM Type

LPDDR4X

Expandable Memory

Yes

Camera

Main Camera

50 MP
f/1.8, (wide)

13 MP
f/2.2, (wide), PDAF

0.08 MP
f/3.0 (auxiliary lens)

OIS

Features

LED flash, HDR

LED flash, panorama, Digital Zoom

Video Recording

1080p@30fps

Selfie Camera

5 MP
f/2.2, (wide)

Selfie Video Recording

1080p@30fps

Yes

Connectivity

SIM

Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano

SIM 1 5G Bands

7 Bands

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

SIM 2 5G Bands

7 Bands

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

VoLTE

Yes

Wi-Fi

Wi-Fi 5

Wi-Fi Details

802.11 a/b/g/n/ac 5GHz

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 2.0

USB Type-C 2.0, OTG

Bluetooth

5.3

5.0

NFC

GPS

Yes with A-GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5160 mAh

5000 mAh

Type

Li-Polymer

Li-ion

Removable

Wired charging

18W

15W

Wireless Charging

Reverse Wireless Charging

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

Yes

FM Radio

Yes

Extra Features

Sensors

Fingerprint (side-mounted), accelerometer, compass

Accelerometer, proximity

Others

Virtual proximity sensing

Colors and Pricing

Colors

Sparkle Purple, Starry Black

Space Black, Gem Green

Price in India

₹8499

₹8399

FAQs

Which phone has better performance?

In this comparison, the Redmi A4 with the Qualcomm Snapdragon 4s Gen 2 (4nm) performs better than the Vivo Y18i with the Unisoc Unisoc T612 (12nm), thanks to its more efficient chipset.

Which phone offers longer software support?

The Redmi A4 offers 2 years of OS updates, while the Vivo Y18i provides 1 years. When it comes to security updates, Redmi A4 leads with 4 years of support.

Which phone has a better display?

Both phones use LCD panels. Moreover, it offers a higher 120 Hz refresh rate for smoother scrolling. Redmi A4 also has a brighter display with 600 nits, improving outdoor visibility. These phones have the same resolution.

Which phone has a bigger battery and faster charging?

Redmi A4 has a larger 5160 mAh battery for longer usage. Redmi A4 supports faster wired charging at 18W.

Which phone has better water and dust resistance?

Vivo Y18i has an IP54 rating, while Redmi A4 lacks official water and dust resistance.