Realme GT 6T vs vivo Y400 Pro – Price, Specs & Features

Q: Which phone has better performance, the Realme GT 6T or the vivo Y400 Pro?

In this performance comparison, the Realme GT 6T with its Snapdragon 7+ Gen 3 (4nm) performs better than the vivo Y400 Pro with the Dimensity 7300 (4nm), thanks to superior chipset efficiency.

Realme GT 6T alternatives

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vivo Y400 Pro alternatives

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iQOO Z10

Poco X7 Pro

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Realme 14 Pro Lite

Nothing Phone (2a) Plus

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Realme GT 6T

Snapdragon 7+ Gen 3
4 nm
5500 mAh
120W
6.78"
1264x2780 pixels
50 MP
4K@30/60fps
Specs

vivo Y400 Pro

Dimensity 7300
4 nm
5500 mAh
90W
6.77"
1080 x 2392 pixels
50 MP
4K@30fps
Specs

vivo Y400 Pro

General

Launch Date

May 22, 2024

June 20, 2025

Availability

Available Now

Android 14

Android 15

Custom UI

Realme UI 5.0

Funtouch 15

OS Updates

3 Years

Security Updates

4 Years

AI Features

AI Smart Loop, AI Screen Recognition

AI Erase 2.0, AI Photo Enhance, AI transcript Assist, AI Superlink, AI Note Assist, Circle to Search, and AI Live Text

Body

Dimensions

162 x 75.1 x 8.7 mm

164 x 75 x 7.5 mm

Thickness

8.7 mm

7.5 mm

Weight

191 g

182 g

Build Details

plastic back, plastic frame

IP Rating

IP65

IP65 (dust tight and water resistant (low pressure water jets), MIL-STD-810H compliant*)

Display

Size

6.78 inches

6.77 inches

Type

LTPO AMOLED, HDR10

AMOLED

Refresh Rate

120 Hz

Peak Brightness

6000 nits

4500 nits

Resolution

1264x2780 pixels

1080 x 2392 pixels

Pixel Density

450 ppi

388 ppi

Aspect Ratio

20:9

Screen to Body Ratio

91.8 %

90.2 %

Protection

Gorilla Glass Victus 2

Performance

Chipset¹

Qualcomm Snapdragon 7+ Gen 3

Mediatek Dimensity 7300

Process Size

4 nm

CPU

Octa-core
1x2.8 GHz Cortex-X4
4x2.6 GHz Cortex-A720
3x1.9 GHz Cortex-A520

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

GPU

Adreno 732

Mali-G615 MC2

RAM & Storage

8GB 128GB (UFS 3.1)
8GB 256GB (UFS 4.0)
12GB 256GB (UFS 4.0)
12GB 512GB (UFS 4.0)

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

RAM Type

LPDDR5X

LPDDR4X

Expandable Memory

Camera

Main Camera

50 MP
(f/1.9, 26mm (wide), 1/1.95", PDAF, OIS)

8 MP
(f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm)

50 MP
Sony IMX882, f/1.8, (wide), 1/1.95", 0.8µm, PDAF

2 MP
f/2.4, (depth)

OIS

Yes

Features

Dual-LED flash, HDR, panorama, Digital Zoom, Auto Flash, Face detection, Touch to focus

Ring-LED flash, panorama, HDR

Video Recording

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

4K@30fps
1080p@30fps

Video Recording Features

Dual Video Recording, Slo-motion, Bokeh portrait video

Selfie Camera

32 MP
(f/2.5, 21mm (wide), 1/2.74")

32 MP
f/2.45, (wide)

Selfie Features

Panorama

Selfie Video Recording

4K@30fps
1080p@30fps

Connectivity

SIM

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

Dual SIM
SIM1: Nano, SIM2: Nano

5G Support

Yes

12 5G bands
n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78

Yes

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

VoLTE

Yes

Wi-Fi

Wi-Fi 6E

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

USB Type-C 2.0, OTG

Bluetooth

5.4

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5500 mAh

Type

Li-ion

Removable

Wired charging

120W

90W

Charging Speed

50% in 10 min

50% in 19 mins

Reverse Wired Charging

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, color spectrum

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

Colors and Pricing

Colors

Fluid Silver, Razor Green

Freestyle White, Nebula Purple, Fest Gold

Price in India

₹28999

₹24998

FAQs

Which phone has better performance?

In this performance comparison, the Realme GT 6T with its Qualcomm Snapdragon 7+ Gen 3 (4nm) performs better than the vivo Y400 Pro with the Mediatek Dimensity 7300 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Realme GT 6T offers 3 years of OS updates, while vivo Y400 Pro does not have confirmed OS update information. Realme GT 6T receives 4 years of security updates, while vivo Y400 Pro does not have confirmed security update information.

Which phone has a better display?

Both Realme GT 6T and vivo Y400 Pro feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. Realme GT 6T also boasts a brighter screen with 6000 nits of peak brightness, enhancing outdoor visibility. Notably, Realme GT 6T 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 5500 mAh battery capacity. Realme GT 6T also supports faster wired charging at 120W, compared to 90W on vivo Y400 Pro.

Which phone has better water and dust resistance?

Both phones feature the same IP65 rating for water and dust resistance.

Can I buy these phones on Amazon?

Realme GT 6T – Check price here
vivo Y400 Pro – Check price here

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