Poco X7 Pro vs vivo Y400 – Price, Specs & Features

Q: Which phone has better performance, the Poco X7 Pro or the vivo Y400?

In this performance comparison, the Poco X7 Pro with its Dimensity 8400 Ultra (4nm) performs better than the vivo Y400 with the Snapdragon 4 Gen 2 (4nm), thanks to superior chipset efficiency.

Poco X7 Pro alternatives

Tap above to see alternatives.

Vivo Y300

iQOO Neo 10R

Nothing Phone (3a) Pro

Oppo F29 Pro

Motorola Edge 60 Fusion

vivo Y400 alternatives

Tap above to see alternatives.

Your comparison result will be shown here.

Poco X7 Pro

Dimensity 8400 Ultra
4 nm
6550 mAh
90W
6.67"
1220 x 2712 pixels
50 MP
4K@24/30/60fps
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

January 09, 2025

August 04, 2025

Availability

Available Now

August 7

Android 15

Custom UI

HyperOS 2

Funtouch 15

OS Updates

3 Years

2 Years

Security Updates

4 Years

3 Years

AI Features

AI Notes, AI Recorder, AI Subtitles, AI Interpreter, AI Film, AI Erase Pro 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

160.8 x 75.2 x 8.3 mm

162.3 x 75.3 x 7.9 mm

Thickness

8.3 mm

7.9 mm

Weight

195 g

197 g

Build Details

Plastic Back, Vegan Leather

Plastic Back, Plastic Frame

IP Rating

IP69 (up to 1.5m for 30 min)

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, HDR10

AMOLED

Refresh Rate

120 Hz

Peak Brightness

3200 nits

1800 nits

Resolution

1220 x 2712 pixels

1080 x 2400 pixels

Pixel Density

446 ppi

395 ppi

Aspect Ratio

20:9

Screen to Body Ratio

88.8 %

87.9 %

Protection

Gorilla Glass 7i

Performance

Chipset¹

Mediatek Dimensity 8400 Ultra

Qualcomm Snapdragon 4 Gen 2

Process Size

4 nm

CPU

Octa-core
1x3.25 GHz Cortex-A725
3x3.0 GHz Cortex-A725
4x2.1 GHz Cortex-A725

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

GPU

Mali-G720 MC7

Adreno 613

RAM & Storage

8GB 256GB (UFS 4.0)
12GB 256GB (UFS 4.0)

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

RAM Type

LPDDR5X

LPDDR4X

Expandable Memory

Yes

Camera

Main Camera

50 MP
f/1.5, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS

8 MP
f/2.2, 15mm (ultrawide), 1/4.0", 1.12µm

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

2 MP
f/2.4, (depth)

OIS

Yes

Features

LED flash, HDR, panorama

Ring-LED flash, panorama, HDR

Video Recording

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

1080p@30fps

Video Recording Features

HDR10+, gyro-EIS, OIS

Selfie Camera

20 MP
f/2.2, 25mm (wide), 1/4.0", 0.7µm

32 MP
f/2.45, (wide), 1/3.1", 0.7µm

Selfie Video Recording

1080p@30fps

Connectivity

SIM

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

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

SIM 1

14 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N20, N28
TDD: N38, N40, N41, N48, N77, N78

8 5G Bands

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

SIM 2

14 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N20, N28
TDD: N38, N40, N41, N48, 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 6GHz

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 with A-GPS, Glonass

Yes with Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

6550 mAh

6000 mAh

Type

Silicon Carbon

Li-Ion

Removable

Wired charging

90W

Charging Speed

100% in 42 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

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

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

Colors and Pricing

Colors

Poco Yellow, Nebula Green, Obsidian Black, Iron Man Edition

Glam White, Olive Green

Price in India

₹22899

₹21999

FAQs

Which phone has better performance?

In this performance comparison, the Poco X7 Pro with its Mediatek Dimensity 8400 Ultra (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?

Poco X7 Pro offers 3 years of OS updates, whereas vivo Y400 provides 2 years. For security updates, Poco X7 Pro offers 4 years of support compared to vivo Y400's 3 years.

Which phone has a better display?

Both Poco X7 Pro and vivo Y400 feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. Poco X7 Pro also boasts a brighter screen with 3200 nits of peak brightness, enhancing outdoor visibility. Notably, Poco X7 Pro offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Poco X7 Pro comes with a larger 6550 mAh battery, which may offer longer usage on a single charge. Both devices support the same wired charging speed of 90W.

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?

Poco X7 Pro – Check price here
vivo Y400 – Check price here

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