Vivo Y18i vs Xiaomi 15 – Price, Specs & Features

Q: Which phone has better performance, the Vivo Y18i or the Xiaomi 15?

In this comparison, the Xiaomi 15 with the Snapdragon 8 Elite (3 nm) performs better than the Vivo Y18i with the Unisoc T612 (12 nm), thanks to its more efficient chipset.

Vivo Y18i alternatives

Tap above to see alternatives.

Motorola Moto G05 4G

Redmi A3x 4G

Samsung Galaxy A06 4G

Poco C71 4G

Oppo A3x 4G

Xiaomi 15 alternatives

Tap above to see alternatives.

Google Pixel 9 Pro XL

Oppo Find X8 Pro

Apple iPhone 15 Plus

OnePlus 12

Samsung Galaxy S25 Ultra

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Vivo Y18i

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

Xiaomi 15

Snapdragon 8 Elite
3 nm
5240 mAh
90W
6.36"
1200 x 2670 pixels
50 MP
8K@24/30fps

Xiaomi 15

General

Launch Date

August 23, 2024

March 11, 2025

Availability

Available Now

Android 14

Android 15

Custom UI

Funtouch 14

HyperOS 2

OS Updates

1 Years

4 Years

Security Updates

2 Years

6 Years

AI Features

HyperAI, Circle to Search, AI Write, AI translate, AI Erase Pro, AI Summary and more

Body

Dimensions

163.6 x 75.6 x 8.4 mm

152.3 x 71.2 x 8.1 mm

Thickness

8.4 mm

8.1 mm

Weight

185 g

189 g

Build Details

Plastic Frame, Plastic Back

Aluminum Alloy Frame

IP Rating

IP54 (dust and splash resistant)

IP68 (dust tight and water resistant (immersible up to 1.5m for 30 min))

Display

Size

6.56 inches

6.36 inches

Type

IPS LCD

LTPO AMOLED, 68B colors, Dolby Vision, HDR10+

Refresh Rate

90 Hz

120 Hz

Peak Brightness

528 nits

3200 nits

Resolution

720x1612 pixels

1200 x 2670 pixels

Pixel Density

269 ppi

460 ppi

Aspect Ratio

20:9

Screen to Body Ratio

83.6 %

90.0 %

Performance

Chipset

Unisoc Unisoc T612

Qualcomm Snapdragon 8 Elite

Process Size

12 nm

3 nm

CPU

Octa-core
2x1.8 GHz Cortex-A75
6x1.8 GHz Cortex-A55

Octa-core
2x4.32 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M

GPU

Mali-G57 MP1

Adreno 830

RAM & Storage

4GB 64GB (eMMC 5.1)

12GB 512GB (UFS 4.0)

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

Yes

Camera

Main Camera

13 MP
f/2.2, (wide), PDAF

0.08 MP
f/3.0 (auxiliary lens)

50 MP
f/1.6, 23mm (wide), 1/1.31", 1.2µm, OmniVision Light Fusion 900, dual pixel PDAF, OIS

50 MP
f/2.0, 60mm (telephoto), 1/2.76", 0.64µm, S5KJN5, PDAF (10cm - ∞), OIS, 2.6x optical zoom

50 MP
f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, Samsung S5KJN1

OIS

Yes

Features

LED flash, panorama, Digital Zoom

Laser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama

Video Recording

1080p@30fps

8K@24/30fps
4K@24/30/60fps
1080p@30/60/120/240/960fps
720p@1920fps

Selfie Camera

5 MP
f/2.2, (wide)

32 MP
f/2.0, 21mm (wide), 1/3.14", 0.7µm, OmniVision OV32B40

Selfie Features

HDR, panorama

Selfie Video Recording

Yes

4K@30/60fps
1080p@30/60fps

Connectivity

SIM

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

Dual SIM
SIM1: Nano, SIM2: Nano

SIM 1 5G Bands

19 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N75, N77, N78

SIM 2 5G Bands

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28
TDD N38 / N40 / N41 / N48 / N66 / N75 / N77 / N78

VoLTE

Yes

Wi-Fi

Wi-Fi 5

Wi-Fi 7

Wi-Fi Details

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

802.11 a/b/g/n/ac/be/ax 5GHz 6GHz, MIMO

Wi-Fi Features

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

USB

USB Type-C 2.0, OTG

USB Type-C 3.2 Gen2, Display Port, OTG

Bluetooth

5.0

5.4

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5000 mAh

5240 mAh

Type

Li-ion

Si/C Li-Ion

Removable

Wired charging

15W

90W

Wireless Charging

50W

Reverse Wireless Charging

10W

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

Yes

FM Radio

Yes

Extra Features

Sensors

Accelerometer, proximity

Under-display ultrasonic fingerprint sensor, accelerometer, gyroscope, proximity, compass, barometer

Colors and Pricing

Colors

Space Black, Gem Green

Black, White and Green

Price in India

₹8399

₹64999

FAQs

Which phone has better performance?

In this comparison, the Xiaomi 15 with the Qualcomm Snapdragon 8 Elite (3nm) 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 Xiaomi 15 offers 4 years of OS updates, while the Vivo Y18i provides 1 years. When it comes to security updates, Xiaomi 15 leads with 6 years of support.

Which phone has a better display?

Xiaomi 15 has a superior AMOLED display, while Vivo Y18i uses an LCD panel. Moreover, Xiaomi 15 offers a higher 120 Hz refresh rate for smoother scrolling. Xiaomi 15 also has a brighter display with 3200 nits, improving outdoor visibility. Notably, Xiaomi 15 has a higher resolution display, resulting in sharper visuals.

Which phone has a bigger battery and faster charging?

Xiaomi 15 has a larger 5240 mAh battery for longer usage. Xiaomi 15 supports faster wired charging at 90W. Xiaomi 15 supports wireless charging at 50W, while Vivo Y18i lacks this feature.

Which phone has better water and dust resistance?

Xiaomi 15 offers better water and dust resistance with an IP68 rating.