Realme 15 vs Xiaomi 15 – Price, Specs & Features

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

In this performance comparison, the Xiaomi 15 with its Snapdragon 8 Elite (3nm) performs better than the Realme 15 with the Dimensity 7300 (4nm), thanks to superior chipset efficiency.

Realme 15 alternatives

Tap above to see alternatives.

Xiaomi 15 alternatives

Tap above to see alternatives.

Samsung Galaxy S24+

Samsung Galaxy S25 Edge

Samsung Galaxy S23+

Apple iPhone 16

OnePlus 13

Your comparison result will be shown here.

Realme 15

Dimensity 7300
4 nm
7000 mAh
80W
6.8"
1280 x 2800 pixels
50 MP
4K@30fps
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

July 24, 2025

March 11, 2025

Availability

Available Now

Android 15

Custom UI

Realme UI 6.0

HyperOS 2

OS Updates

2 Years

4 Years

Security Updates

3 Years

6 Years

AI Features

AI Edit Genie, AI Party Mode, AI MagicGlow 2.0 and more

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

Body

Dimensions

162.3 x 76.2 x 7.66 mm

152.3 x 71.2 x 8.1 mm

Thickness

7.66 mm

8.1 mm

Weight

187 g

189 g

Build Details

Aluminum Alloy Frame

IP Rating

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min), MIL-STD-810H compliant*, also IP68 rated)

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

Display

Size

6.8 inches

6.36 inches

Type

OLED, 1B colors, PWM

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

Refresh Rate

144 Hz

120 Hz

Peak Brightness

6500 nits

3200 nits

Resolution

1280 x 2800 pixels

1200 x 2670 pixels

Pixel Density

453 ppi

460 ppi

Aspect Ratio

19.5:9

20:9

Screen to Body Ratio

91.2 %

90.0 %

Protection

Gorilla Glass 7i

Performance

Chipset¹

Mediatek Dimensity 7300

Qualcomm Snapdragon 8 Elite

Process Size

4 nm

3 nm

CPU

Octa-core
4x2.6 GHz Cortex-A78
4x2.0 GHz Cortex-A55

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

GPU

Mali-G615 MC2

Adreno 830

RAM & Storage

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

12GB 512GB (UFS 4.0)

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

Camera

Main Camera

50 MP
f/1.8, 24mm (wide), 1/1.95", 0.8µm, Sony IMX882, PDAF, OIS

8 MP
f/2.2, 112˚, 16mm (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

LED flash, HDR, panorama

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

Video Recording

4K@30fps
1080p@30fps, gyro-EIS, OIS

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

Selfie Camera

50 MP
f/2.4 , 87˚ (wide), 1/2.8", 0.6µm

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
SIM1: Nano, SIM2: Nano

SIM 1

9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: 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

9 5G Bands

FDD: N1, N3, N5, N8, N28
TDD: 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 6

Wi-Fi 7

Wi-Fi Details

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

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 Glonass

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

7000 mAh

5240 mAh

Type

Li-Ion

Si/C Li-Ion

Removable

Wired charging

80W

90W

Charging Speed

50% in 25 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

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

Under-display ultrasonic fingerprint sensor, accelerometer, gyroscope, proximity, compass, barometer

Colors and Pricing

Colors

Flowing Silver, Silk Pink, Velvet Green

Black, White and Green

Price in India

₹25999

₹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 15 with the Mediatek Dimensity 7300 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Xiaomi 15 offers 4 years of OS updates, whereas Realme 15 provides 2 years. For security updates, Xiaomi 15 offers 6 years of support compared to Realme 15's 3 years.

Which phone has a better display?

Both Realme 15 and Xiaomi 15 feature AMOLED displays, offering vibrant colors and deeper blacks. In terms of smoothness, Realme 15 offers a higher 144 Hz refresh rate, ensuring fluid scrolling and animations. Realme 15 also boasts a brighter screen with 6500 nits of peak brightness, enhancing outdoor visibility. Notably, Realme 15 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Realme 15 comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. Xiaomi 15 also supports faster wired charging at 90W, compared to 80W on Realme 15. Xiaomi 15 supports wireless charging at 50W, while Realme 15 lacks this feature.

Which phone has better water and dust resistance?

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

Can I buy these phones on Amazon?

Xiaomi 15 – Check price here

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