Realme P3 vs vivo Y400 – Price, Specs & Features

Q: Which phone has better performance, the Realme P3 or the vivo Y400?

In this performance comparison, the Realme P3 with its Snapdragon 6 Gen 4 (4nm) performs better than the vivo Y400 with the Snapdragon 4 Gen 2 (4nm), thanks to superior chipset efficiency.

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vivo Y400 alternatives

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Realme P3

Snapdragon 6 Gen 4
4 nm
6000 mAh
45W
6.67"
1080 x 2400 pixels
50 MP
4K@30fps
Specs

vivo Y400

Snapdragon 4 Gen 2
4 nm
6000 mAh
90W
6.67"
1080 x 2400 pixels
50 MP
1080p@30fps
Specs

vivo Y400

General

Launch Date

March 17, 2025

August 04, 2025

Availability

Available Now

Android 15

Custom UI

Realme UI 6.0

Funtouch 15

OS Updates

2 Years

Security Updates

3 Years

AI Features

AI Image Studio, AI Erase 2.0, AI Transcript Assist, AI Note Assist, AI Documents, Circle to Search, Focus Mode, Screen Translation and more

Body

Dimensions

163.2 x 75.7 x 8 mm

162.3 x 75.3 x 7.9 mm

Thickness

8 mm

7.9 mm

Weight

194 g

197 g

Build Details

Plastic Back, Plastic Frame

IP Rating

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2.5m for 30 min), also IP68)

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min), MIL-STD-810H compliant*, also IP68 rated)

Display

Size

6.67 inches

Type

AMOLED, HDR image support

AMOLED

Refresh Rate

120 Hz

Peak Brightness

2000 nits

1800 nits

Resolution

1080 x 2400 pixels

Pixel Density

395 ppi

Aspect Ratio

20:9

Screen to Body Ratio

86.9 %

87.9 %

Performance

Chipset¹

Qualcomm Snapdragon 6 Gen 4

Qualcomm Snapdragon 4 Gen 2

Process Size

4 nm

CPU

Octa-core
1x2.3 GHz Cortex-A720s
3x2.2 GHz Cortex-A720s
4x1.8 GHz Cortex-A520s

Octa-core
2x2.2 GHz Cortex-A78
6x1.95 GHz Cortex-A55

GPU

Adreno

Adreno 613

RAM & Storage

6GB 128GB (UFS 3.1)
8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)

8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)

RAM Type

LPDDR4X

Expandable Memory

Yes

Camera

Main Camera

50 MP
f/1.8, 27mm (wide), 1/2.88", 0.61µm, PDAF

2 MP
depth

50 MP
f/1.8, (wide), 1/1.95", 0.8µm, PDAF

2 MP
f/2.4, (depth)

OIS

Features

LED flash, HDR, panorama

Ring-LED flash, panorama, HDR

Video Recording

4K@30fps
1080p@30/60/120fps

1080p@30fps

Selfie Camera

16 MP
f/2.4, 23mm (wide), 1/3.09", 1.0µm

32 MP
f/2.45, (wide), 1/3.1", 0.7µm

Selfie Video Recording

1080p@30fps

Connectivity

SIM

Dual SIM
SIM1: Nano, SIM2: Nano (Hybrid)

SIM 1

9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78

8 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N77, N78

SIM 2

9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N41, N77, N78

8 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: N40, N77, N78

VoLTE

Yes

Wi-Fi

Wi-Fi 6

Wi-Fi 5

Wi-Fi Details

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

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

5.2

5.0

NFC

GPS

Yes with A-GPS, Glonass

Yes with Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

6000 mAh

Type

Si/C Li-Ion

Li-Ion

Removable

Wired charging

45W

90W

Charging Speed

50% in 30 min

50% in 20 min

Wireless Charging

Reverse Wireless Charging

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

FM Radio

Extra Features

Sensors

Under-display optical fingerprint sensor, accelerometer, gyroscope, proximity, compass

Colors and Pricing

Colors

Space Silver, Comet Grey, Nebula Pink

Glam White, Olive Green

Price in India

₹16395

₹21999

FAQs

Which phone has better performance?

In this performance comparison, the Realme P3 with its Qualcomm Snapdragon 6 Gen 4 (4nm) performs better than the vivo Y400 with the Qualcomm Snapdragon 4 Gen 2 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Both Realme P3 and vivo Y400 offer the same software support — 2 years of OS updates and 3 years of security updates.

Which phone has a better display?

Both Realme P3 and vivo Y400 feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. Realme P3 also boasts a brighter screen with 2000 nits of peak brightness, enhancing outdoor visibility. Both phones have the same screen resolution.

Which phone has a bigger battery and faster charging?

Both phones are equipped with the same 6000 mAh battery capacity. vivo Y400 also supports faster wired charging at 90W, compared to 45W on Realme P3.

Which phone has better water and dust resistance?

Both phones feature the same IP69 rating for water and dust resistance.

Can I buy these phones on Amazon?

Realme P3 – Check price here
vivo Y400 – Check price here

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