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

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

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

Realme GT 6T alternatives

Tap above to see alternatives.

Oppo Reno14

Xiaomi 15 alternatives

Tap above to see alternatives.

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
Specs

Xiaomi 15

Snapdragon 8 Elite
3 nm
5240 mAh
90W
6.36"
1200 x 2670 pixels
50 MP
8K@24/30fps
Specs

Xiaomi 15

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, Circle to Search, AI Write, AI translate, AI Erase Pro, AI Summary and more

Body

Dimensions

162 x 75.1 x 8.7 mm

152.3 x 71.2 x 8.1 mm

Thickness

8.7 mm

8.1 mm

Weight

191 g

189 g

Build Details

Aluminum Alloy Frame

IP Rating

IP65

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

Display

Size

6.78 inches

6.36 inches

Type

LTPO AMOLED, HDR10

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

Refresh Rate

120 Hz

Peak Brightness

6000 nits

3200 nits

Resolution

1264x2780 pixels

1200 x 2670 pixels

Pixel Density

450 ppi

460 ppi

Aspect Ratio

20:9

Screen to Body Ratio

91.8 %

90.0 %

Protection

Gorilla Glass Victus 2

Performance

Chipset¹

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 512GB (UFS 4.0)

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), 1/1.31", 1.2µm, OmniVision Light Fusion 900, dual pixel PDAF, OIS

50 MP
f/2.0, 60mm (telephoto), 1/2.76", 0.64µm, S5KJN5, PDAF (10cm - ∞), OIS, 2.6x optical zoom

50 MP
f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, Samsung S5KJN1

OIS

Yes

Features

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

Laser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama

Video Recording

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

8K@24/30fps
4K@24/30/60fps
1080p@30/60/120/240/960fps
720p@1920fps

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/2.0, 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

12 5G Bands

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

19 5G Bands

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

SIM 2

12 5G Bands

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

19 5G Bands

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

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

Wi-Fi Direct, Mobile Hotspot

USB

USB Type-C 2.0

USB Type-C 3.2 Gen2, Display Port, OTG

Bluetooth

5.4

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5500 mAh

5240 mAh

Type

Li-ion

Si/C Li-Ion

Removable

Wired charging

120W

90W

Charging Speed

50% in 10 min

Wireless Charging

50W

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

Colors and Pricing

Colors

Fluid Silver, Razor Green

Black, White and Green

Price in India

₹28999

₹64998

FAQs

Which phone has better performance?

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

Which phone offers longer software support?

Xiaomi 15 offers 4 years of OS updates, whereas Realme GT 6T provides 3 years. For security updates, Xiaomi 15 offers 6 years of support compared to Realme GT 6T's 4 years.

Which phone has a better display?

Both Realme GT 6T and Xiaomi 15 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 GT 6T comes with a larger 5500 mAh battery, which may offer longer usage on a single charge. Realme GT 6T also supports faster wired charging at 120W, compared to 90W on Xiaomi 15. Xiaomi 15 supports wireless charging at 50W, while Realme GT 6T lacks this feature.

Which phone has better water and dust resistance?

Xiaomi 15 offers better protection against water and dust with an IP68 rating.

Can I buy these phones on Amazon?

Realme GT 6T – Check price here
Xiaomi 15 – Check price here

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