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

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

In this comparison, the Xiaomi 15 Ultra with the Snapdragon 8 Elite (3 nm) performs better than the Realme GT 6T with the Snapdragon 7+ Gen 3 (4 nm), thanks to its more efficient chipset.

Realme GT 6T alternatives

Tap above to see alternatives.

Samsung Galaxy A36

Xiaomi 14 Civi

Samsung Galaxy A55

Samsung Galaxy S23 FE

Samsung Galaxy A56

Xiaomi 15 Ultra alternatives

Tap above to see alternatives.

Samsung Galaxy S25+

Vivo X200 Pro

Apple iPhone 15 Pro Max

Xiaomi 15

Samsung Galaxy S25

Your comparison result will be shown here.

Realme GT 6T

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

Xiaomi 15 Ultra

Snapdragon 8 Elite
3 nm
5410 mAh
90W
6.73"
1440 x 3200 pixels
50 MP
8K@30fps

Xiaomi 15 Ultra

General

Launch Date

May 22, 2024

March 11, 2025

Availability

Available Now

Android 14

Android 15

Custom UI

Realme UI 5.0

HyperOS 2

OS Updates

3 Years

4 Years

Security Updates

4 Years

6 Years

AI Features

AI Smart Loop, AI Screen Recognition

HyperAI, AI Write, AI Summary and more

Body

Dimensions

162 x 75.1 x 8.7 mm

161.3 x 75.3 x 9.4 mm

Thickness

8.7 mm

9.4 mm

Weight

191 g

226 g

Build Details

Glass-fiber Back Or Vegan Leather, Aluminum Frame

IP Rating

IP65

IP68 (dust tight and water resistant (immersible up to 1.5m for 30 min))

Display

Size

6.78 inches

6.73 inches

Type

LTPO AMOLED, HDR10

LTPO AMOLED, 68B colors, Dolby Vision, HDR10+, HDR Vivid

Refresh Rate

120 Hz

Peak Brightness

6000 nits

3200 nits

Resolution

1264x2780 pixels

1440 x 3200 pixels

Pixel Density

450 ppi

522 ppi

Aspect Ratio

20:9

Screen to Body Ratio

91.8 %

89.7 %

Protection

Gorilla Glass Victus 2

Performance

Chipset

Qualcomm Snapdragon 7+ Gen 3

Qualcomm Snapdragon 8 Elite

Process Size

4 nm

3 nm

CPU

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

Octa-core
2x4.32 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M

GPU

Adreno 732

Adreno 830

RAM & Storage

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

12GB 256GB (UFS 4.1)
16GB 512GB (UFS 4.1)
16GB 1024GB (UFS 4.1)

RAM Type

LPDDR5X

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
f/1.6, 23mm (wide), 1.0"-type, 1.6µm, Sony LYT-900, dual pixel PDAF, OIS

50 MP
f/1.8, 70mm (telephoto), 1/2.51", 0.7µm, Sony IMX858, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom

200 MP
f/2.6, 100mm (periscope telephoto), 1/1.4", 0.56µm, Samsung S5KHP9, multi-directional PDAF, OIS, 4.3x optical zoom

50 MP
f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, Samsung S5KJN5, dual pixel PDAF
TOF 3D, (depth)

OIS

Yes

Features

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

Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)

Video Recording

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

8K@30fps
4K@30/60/120fps
1080p@30/60/120/240/480/960/1920fps

Video Recording Features

Dual Video Recording, Slo-motion, Bokeh portrait video

gyro-EIS, Dolby Vision HDR 10-bit recording (4K@60fps, 1080p)

Selfie Camera

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

32 MP
f/2.0, 21mm (wide), 1/3.14", 0.7µm, OmniVision OV32B40

Selfie Features

Panorama

HDR, panorama

Selfie Video Recording

4K@30fps
1080p@30fps

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

Connectivity

SIM

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

Dual SIM
SIM1: Nano, SIM2: Nano

SIM 1 5G Bands

12 Bands

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

21 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N71, N75, N77, N78, N79

SIM 2 5G Bands

12 Bands

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

21 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N71, N75, N77, N78, N79

VoLTE

Yes

Wi-Fi

Wi-Fi 6E

Wi-Fi 7

Wi-Fi Details

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

802.11 a/b/g/n/ac/be/ax 5GHz 6GHz, MIMO

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 2.0

USB Type-C 3.2 Gen 2, DisplayPort, OTG

Bluetooth

5.4

6.0

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5500 mAh

5410 mAh

Type

Li-ion

Si/C Li-Ion

Removable

Wired charging

120W

90W

Charging Speed

50% in 10 min

Wireless Charging

80W

Reverse Wireless Charging

10W

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 ultrasonic fingerprint sensor, accelerometer, gyroscope, proximity, compass, barometer

Others

Two-way satellite communication

Colors and Pricing

Colors

Fluid Silver, Razor Green

Chrome Silver

Price in India

₹30999

₹109999

FAQs

Which phone has better performance?

In this comparison, the Xiaomi 15 Ultra with the Qualcomm Snapdragon 8 Elite (3nm) performs better than the Realme GT 6T with the Qualcomm Snapdragon 7+ Gen 3 (4nm), thanks to its more efficient chipset.

Which phone offers longer software support?

The Xiaomi 15 Ultra offers 4 years of OS updates, while the Realme GT 6T provides 3 years. When it comes to security updates, Xiaomi 15 Ultra leads with 6 years of support.

Which phone has a better display?

Both phones feature AMOLED displays. They have the same 120 Hz refresh rate. Realme GT 6T also has a brighter display with 6000 nits, improving outdoor visibility. Notably, Xiaomi 15 Ultra has a higher resolution display, resulting in sharper visuals.

Which phone has a bigger battery and faster charging?

Realme GT 6T has a larger 5500 mAh battery for longer usage. Realme GT 6T supports faster wired charging at 120W. Xiaomi 15 Ultra supports wireless charging at 80W, while Realme GT 6T lacks this feature.

Which phone has better water and dust resistance?

Xiaomi 15 Ultra offers better water and dust resistance with an IP68 rating.