vivo Y31d vs vivo Y400 4G

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vivo Y31d

BDT 16,027

vivo Y400 4G

BDT 27,714

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Comparison Overview

Based on available category scores

81Phone 1 Overall

82Phone 2 Overall

🏆 vivo Y400 4G leads based on category scores. This is not a price/value verdict.

Category Scores

Display

78/100

83/100

Performance

80/100

Camera

80/100

Battery

85/100

Quick Comparison

Key features

Display

6.75 inch

6.67 inch

Processor

Qualcomm Snapdragon 6s 4G Gen 2

Qualcomm Snapdragon 685 (6 nm)

Rear camera

50MP+Auxiliary lens

50+2 MP

Battery

7200 mAh

6000 mAh

RAM

6/8 GB

8 GB

Full Specifications

All available hardware and features

Display size

6.75 inch

6.67 inch

Display type

IPS LCD

AMOLED

Resolution

1570 x 720 Pixels

2400 x 1080 Pixels

Refresh rate

120Hz

Brightness

1250 nits (HBM)

1200 nits (HBM)

Pixel density

~256

~395

Processor

Qualcomm Snapdragon 6s 4G Gen 2

Qualcomm Snapdragon 685 (6 nm)

CPU cores

Octa-core

Clock speed

1.9 GHz

GPU

Adreno

Adreno 610

Operating system

Android 16

Android 15

User interface

OriginOS 6

Funtouch 15

Rear camera

50MP+Auxiliary lens

50+2 MP

Rear camera type

Dual

Selfie camera

8 MP

Selfie camera type

Single

Flash

Yes

Capacity

7200 mAh

6000 mAh

Battery type

Non-removable

Charging

44W

RAM

6/8 GB

8 GB

Internal storage

128GB/256GB

Variants

(128GB+6GB) (256GB+6GB) (256GB+8GB)

(128GB+8GB) (256GB+8GB)

Expandable storage

No

Network

GSM / HSPA / LTE

4G

Yes

5G

No

Wi-Fi

Yes

Bluetooth

Yes

NFC

No

Yes

GPS

Yes

USB

USB Type-C 2.0

Headphone jack

No

Dimensions

166.6 x 78.4 x 8.4

162.3 x 75.3 x 7.9

Weight

219

196

Build

Glass front, plastic frame, plastic back

Glass front, plastic back, plastic frame

Water resistance

IP68/IP69

SIM type

Dual

Fingerprint

Yes (side-mounted)

Yes (under display, optical)

Release date

January 2026

28 July 2025

Buying Options

vivo Y31d

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vivo Y400 4G

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