Realme C75 5G vs vivo Y400 – Price, Specs & Features

Q: Which phone has better performance, the Realme C75 5G or the vivo Y400?

In this performance comparison, the vivo Y400 with its Snapdragon 4 Gen 2 (4nm) performs better than the Realme C75 5G with the Dimensity 6300 (6nm), thanks to superior chipset efficiency.

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Realme C75 5G

Dimensity 6300
6 nm
6000 mAh
45W
6.67"
720 x 1604 pixels
32 MP
1080p@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

May 02, 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

165.7 x 76.2 x 7.9 mm

162.3 x 75.3 x 7.9 mm

Thickness

7.9 mm

Weight

190 g

197 g

Build Details

Plastic Back, Plastic Frame

IP Rating

IP64 (Dust-tight and water-resistant (protected against splashes), drop-resistant up to 2 meters, MIL-STD-810H compliant.*)

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

IPS LCD

AMOLED

Refresh Rate

120 Hz

Peak Brightness

625 nits

1800 nits

Resolution

720 x 1604 pixels

1080 x 2400 pixels

Pixel Density

264 ppi

395 ppi

Aspect Ratio

20:9

Screen to Body Ratio

84.9 %

87.9 %

Performance

Chipset¹

Mediatek Dimensity 6300

Qualcomm Snapdragon 4 Gen 2

Process Size

6 nm

4 nm

CPU

Octa-core
2x2.4 GHz Cortex-A76
6x2.0 GHz Cortex-A55

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

GPU

Mali-G57 MC2

Adreno 613

RAM & Storage

4GB 128GB
6GB 128GB

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

RAM Type

LPDDR4X

Expandable Memory

Yes

Camera

Main Camera

32 MP
f/1.8, 27mm (wide), 1/3.1", GalaxyCoreGC32E2, PDAF

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

2 MP
f/2.4, (depth)

OIS

Features

LED flash, panorama

Ring-LED flash, panorama, HDR

Video Recording

1080p@30fps

Selfie Camera

8 MP
f/2.0, (wide)

32 MP
f/2.45, (wide), 1/3.1", 0.7µm

Selfie Features

Panorama

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 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

5.3

5.0

NFC

GPS

Yes with A-GPS, Glonass

Yes with Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

6000 mAh

Type

Li-Po

Li-Ion

Removable

Wired charging

45W

90W

Charging Speed

50% in 20 min

Wireless Charging

Reverse Wireless Charging

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

Yes

FM Radio

Extra Features

Sensors

Side-mounted fingerprint sensor, accelerometer, proximity, compass

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

Colors and Pricing

Colors

Midnight Lily, Purple Blossom, Lily White

Glam White, Olive Green

Price in India

₹12408

₹21999

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 Realme C75 5G with the Mediatek Dimensity 6300 (6nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Both Realme C75 5G 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?

vivo Y400 features a superior AMOLED display, while Realme C75 5G comes with an LCD panel. 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. Notably, vivo Y400 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

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 C75 5G.

Which phone has better water and dust resistance?

vivo Y400 offers better protection against water and dust with an IP69 rating.

Can I buy these phones on Amazon?

Realme C75 5G – Check price here
vivo Y400 – Check price here

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