Oppo F31 vs vivo Y400 – Price, Specs & Features

Q: Which phone has better performance, the Oppo F31 or the vivo Y400?

In this performance comparison, the vivo Y400 with its Snapdragon 4 Gen 2 (4nm) performs better than the Oppo F31 with the Dimensity 6300 (4nm), thanks to superior chipset efficiency.

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Oppo F31

Dimensity 6300
4 nm
7000 mAh
80W
6.57"
1080 x 2372 pixels
50 MP
1080p@60/30fps
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

September 16, 2025

August 04, 2025

Availability

Available Now

Android 15

Custom UI

ColorOS 15

Funtouch 15

OS Updates

2 Years

Security Updates

3 Years

AI Features

AI LinkBoost 3.0, AI VoiceScribe, AI Call Assistant, AI Assistant for Notes, Google Gemini, AI Eraser 2.0 and more

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

158.2 x 75 x 8 mm

162.3 x 75.3 x 7.9 mm

Thickness

8 mm

7.9 mm

Weight

185 g

197 g

Build Details

Plastic Back

Plastic Back, Plastic Frame

IP Rating

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min), MIL-STD-810H compliant*, also IP68 rated)

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

6.57 inches

6.67 inches

Type

AMOLED, 1B colors

AMOLED

Refresh Rate

120 Hz

Peak Brightness

1400 nits

1800 nits

Resolution

1080 x 2372 pixels

1080 x 2400 pixels

Pixel Density

397 ppi

395 ppi

Aspect Ratio

20:9

Screen to Body Ratio

88.5 %

87.9 %

Protection

AGC DT-Star D+

Performance

Chipset¹

Mediatek Dimensity 6300 Energy

Qualcomm Snapdragon 4 Gen 2

Process Size

4 nm

CPU

Octa-core
4x2.5 GHz Cortex-A78
4x2.0 GHz Cortex-A55

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

GPU

Mali-G615 MC2

Adreno 613

RAM & Storage

8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
12GB 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, (wide), 1/2.88", 1.6µm, OmniVision OV50D40, PDAF, OIS

2 MP
f/2.4, (depth), 1/1.5", 1.75µm

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

2 MP
f/2.4, (depth)

OIS

Yes

Features

Color spectrum sensor, LED flash, HDR, panorama

Ring-LED flash, panorama, HDR

Video Recording

1080p@60/30fps
720p@60/30fps

1080p@30fps

Selfie Camera

16 MP
f/2.4, (wide), 1/1.3", 1µm, Sony IMX480

32 MP
f/2.45, (wide), 1/3.1", 0.7µm

Selfie Features

Panorama

Selfie Video Recording

1080p@30fps
720p@30fps

1080p@30fps

Connectivity

SIM

Dual SIM (Nano + Nano)

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

5G Support

Yes

10 5G bands
n1, n3, n5, n8, n28, n38, n40, n41, n77, n78

Yes

8 5G bands
n1, n3, n5, n8, n28, n40, n77, 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, OTG

Bluetooth

5.4

5.0

NFC

Yes

GPS

Yes

Yes with Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

7000 mAh

6000 mAh

Type

Si/C Li-Ion

Li-Ion

Removable

Wired charging

80W

90W

Charging Speed

100% in 61 mins

50% in 20 min

Reverse Wired Charging

10W

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

Cloud Green, Midnight Blue, Bloom Red

Glam White, Olive Green

Price in India

₹22999

₹21998

FAQs

Which phone has better performance?

In this performance comparison, the vivo Y400 with its Qualcomm Snapdragon 4 Gen 2 (4nm) performs better than the Oppo F31 with the Mediatek Dimensity 6300 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Both Oppo F31 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 Oppo F31 and vivo Y400 feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. vivo Y400 also boasts a brighter screen with 1800 nits of peak brightness, enhancing outdoor visibility. Both phones have the same screen resolution.

Which phone has a bigger battery and faster charging?

Oppo F31 comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. vivo Y400 also supports faster wired charging at 90W, compared to 80W on Oppo F31.

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?

Oppo F31 – Check price here
vivo Y400 – Check price here

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