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

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

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

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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

Redmi 15

Snapdragon 6s Gen 3
6 nm
7000 mAh
33W
6.9"
1080 x 2340 pixels
50 MP
1080p@30fps
Specs

Redmi 15

General

Launch Date

May 22, 2024

August 19, 2025

Availability

Available Now

Operating System (OS)

Android 14

Android 15

Custom UI

Realme UI 5.0

HyperOS 2.2

OS Updates

3 Years (until Android 17)

2 Years (until Android 17)

Security Updates

4 Years (until 2028)

4 Years (until 2029)

AI Features

AI Smart Loop, AI Screen Recognition

Circle to Search, Gemini Live, AI Erase and more

Body

Dimensions

162 x 75.1 x 8.7 mm

169.5 x 80.5 x 8.4 mm

Thickness

8.7 mm

8.4 mm

Weight

191 g

217 g

Build Details

Plastic Back

IP Rating

IP65

IP64 (dust tight and water resistant (water splashes))

Display

Size

6.78 inches

6.9 inches

Type

LTPO AMOLED, HDR10

IPS LCD

Refresh Rate

120 Hz

144 Hz

Peak Brightness

6000 nits

850 nits

Resolution

1264x2780 pixels

1080 x 2340 pixels

Pixel Density

450 ppi

374 ppi

Aspect Ratio

20:9

19.5:9

Screen to Body Ratio

91.8 %

85.7 %

Protection

Gorilla Glass Victus 2

Performance

Chipset¹

Qualcomm Snapdragon 7+ Gen 3

Qualcomm Snapdragon 6s Gen 3

Process Size

4 nm

6 nm

CPU

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

Octa-core
2x2.3 GHz Cortex-A78
6x2.0 GHz Cortex-A55

GPU

Adreno 732

Adreno 619

RAM & Storage

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

6GB 128GB (UFS 2.2)
8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)

RAM Type

LPDDR5X

LPDDR4X

Expandable Memory

Yes

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
f/1.75, (wide), 1/2.88" 0.61μm, PDAF
Auxiliary lens

OIS

Yes

Features

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

LED flash, HDR

Video Recording

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

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")

8 MP
f/2.2, (wide)

Selfie Features

Panorama

HDR

Selfie Video Recording

4K@30fps
1080p@30fps

1080p@30fps

Connectivity

SIM

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

Dual SIM (Nano + Nano (Hybrid))

5G Support

Yes

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

Yes

7 5G bands
n1, n3, n5, n8, n28, n40, 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

5.1

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5500 mAh

7000 mAh

Type

Li-ion

Silicon Carbon

Removable

Wired charging

120W

33W

Charging Speed

50% in 10 min

Reverse Wired Charging

15W

Wireless Charging

-2W

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

Side-mounted fingerprint sensor, accelerometer, compass

Others

Virtual proximity sensing

Colors and Pricing

Colors

Fluid Silver, Razor Green

Midnight Black, Frosted White, Sandy Purple

Price in India

₹28999

₹16998

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 Redmi 15 with the Qualcomm Snapdragon 6s Gen 3 (6nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Both phones launched with Android 14 and will get updates until Android 17. Redmi 15 will get security updates until 2029 (approx. 4 years), while Realme GT 6T is supported till 2028.

Which phone has a better display?

Realme GT 6T features a superior AMOLED display, while Redmi 15 comes with an LCD panel. In terms of smoothness, Redmi 15 offers a higher 144 Hz refresh rate, ensuring fluid scrolling and animations. 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?

Redmi 15 features a larger 7000 mAh battery, potentially delivering better battery life. Realme GT 6T also supports faster wired charging at 120W, compared to 33W on Redmi 15. Redmi 15 supports wireless charging at -2W, while Realme GT 6T lacks this feature.

Which phone has better water and dust resistance?

Realme GT 6T offers better protection against water and dust with an IP65 rating.

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