Realme 15T vs Realme GT 6T – Price, Specs & Features

Q: Which phone has better performance, the Realme 15T or the Realme GT 6T?

In this performance comparison, the Realme GT 6T with its Snapdragon 7+ Gen 3 (4nm) performs better than the Realme 15T with the Dimensity 6400 (6nm), thanks to superior chipset efficiency.

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Realme 15T

Dimensity 6400
6 nm
7000 mAh
60W
6.57"
1080 x 2372 pixels
50 MP
1080p@30/60
Specs

Realme GT 6T

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

Realme GT 6T

General

Launch Date

September 02, 2025

May 22, 2024

Availability

Available Now

Android 15

Android 14

Custom UI

Realme UI 6.0

Realme UI 5.0

OS Updates

3 Years

Security Updates

4 Years

AI Features

AI Edit Genie, Circle to Search, AI Smart Loop and more

AI Smart Loop, AI Screen Recognition

Body

Dimensions

158.4 x 75.2 x 7.8 mm

162 x 75.1 x 8.7 mm

Thickness

7.8 mm

8.7 mm

Weight

181 g

191 g

Build Details

Plastic Frame, Plastic Back

IP Rating

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2.5m for 30 min), also IP68 rated)

IP65

Display

Size

6.57 inches

6.78 inches

Type

AMOLED, 1B colors

LTPO AMOLED, HDR10

Refresh Rate

120 Hz

Peak Brightness

4000 nits

6000 nits

Resolution

1080 x 2372 pixels

1264x2780 pixels

Pixel Density

401 ppi

450 ppi

Aspect Ratio

19.8:9

20:9

Screen to Body Ratio

86.4 %

91.8 %

Protection

Gorilla Glass Victus 2

Performance

Chipset¹

Mediatek Dimensity 6400 Max

Qualcomm Snapdragon 7+ Gen 3

Process Size

6 nm

4 nm

CPU

Octa-core
2x2.5 GHz Cortex-A76
6x2.0 GHz Cortex-A55

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

GPU

Mali-G57 MC2

Adreno 732

RAM & Storage

8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
12GB 256GB (UFS 2.2)

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

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

Yes

Camera

Main Camera

50 MP
f/1.8, 27mm (wide), 1/2.88", OmniVision OV50D40, PDAF

2 MP
f/2.4

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)

OIS

Yes

Features

LED flash, HDR, panorama

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

Video Recording

1080p@30/60
gyro-EIS

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

Video Recording Features

Dual Video Recording, Slo-motion, Bokeh portrait video

Selfie Camera

50 MP
f/2.4, OmniVision OV50D40

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

Selfie Features

Panorama

Selfie Video Recording

1080p@30fps

4K@30fps
1080p@30fps

Connectivity

SIM

Dual SIM (Nano + Nano (Hybrid))

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

5G Support

Yes

9 5G bands
n1, n3, n5, n8, n28, n40, n41, n77, n78

Yes

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

VoLTE

Yes

Wi-Fi

Wi-Fi 5

Wi-Fi 6E

Wi-Fi Details

802.11 a/b/g/n/ac 5GHz

802.11 a/b/g/n/ac/ax 5GHz 6GHz

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 2.0, OTG

USB Type-C 2.0

Bluetooth

5.3

5.4

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

7000 mAh

5500 mAh

Type

Si/C Li-Ion

Li-ion

Removable

Wired charging

60W

120W

Charging Speed

50% in 31 mins

50% in 10 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

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

Colors and Pricing

Colors

Silk Blue, Suit Titanium, Flowing Silver

Fluid Silver, Razor Green

Price in India

₹20999

₹28999

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 Realme 15T with the Mediatek Dimensity 6400 (6nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Both Realme 15T and Realme GT 6T offer the same software support — 3 years of OS updates and 4 years of security updates.

Which phone has a better display?

Both Realme 15T and Realme GT 6T 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?

Realme 15T comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. Realme GT 6T also supports faster wired charging at 120W, compared to 60W on Realme 15T.

Which phone has better water and dust resistance?

Realme 15T offers better protection against water and dust with an IP69 rating.

Can I buy these phones on Amazon?

Realme GT 6T – Check price here

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