Realme P3 Ultra vs Xiaomi 15 – Price, Specs & Features

Q: Which phone has better performance, the Realme P3 Ultra or the Xiaomi 15?

In this comparison, the Xiaomi 15 with the Snapdragon 8 Elite (3 nm) performs better than the Realme P3 Ultra with the Dimensity 8350 (4 nm), thanks to its more efficient chipset.

Realme P3 Ultra alternatives

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Xiaomi 15 alternatives

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Realme P3 Ultra

Dimensity 8350
4 nm
6000 mAh
80W
6.83"
1272 x 2800 pixels
50 MP
4K@30/60fps

Xiaomi 15

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

Xiaomi 15

General

Launch Date

March 19, 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

Circle to Search, AI Eraser, AI Smart Loop, AI Writer, AI Recording Summary, AI Best Face, AI Motion Deblur

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

Body

Dimensions

163.1 x 76.9 x 7.4 mm

152.3 x 71.2 x 8.1 mm

Thickness

7.4 mm

8.1 mm

Weight

183 g

189 g

Build Details

Plastic Back

Aluminum Alloy Frame

IP Rating

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min), also IP68)

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

Display

Size

6.83 inches

6.36 inches

Type

AMOLED, 1B colors, HDR image support

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

Refresh Rate

120 Hz

Peak Brightness

1500 nits

3200 nits

Resolution

1272 x 2800 pixels

1200 x 2670 pixels

Pixel Density

450 ppi

460 ppi

Aspect Ratio

19.8:9

20:9

Screen to Body Ratio

90.4 %

90.0 %

Protection

Gorilla Glass 7i

Performance

Chipset

Mediatek Dimensity 8350

Qualcomm Snapdragon 8 Elite

Process Size

4 nm

3 nm

CPU

Octa-core
1x3.35 GHz Cortex-A715
3x3.20 GHz Cortex-A715
4x2.20 GHz Cortex-A510

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

GPU

Mali G615-MC6

Adreno 830

RAM & Storage

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

12GB 512GB (UFS 4.0)

RAM Type

LPDDR5X

Expandable Memory

Camera

Main Camera

50 MP
f/1.8, 24mm (wide), 1/1.56", 1.0µm, Sony IMX896, multi-directional 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

Color spectrum sensor, LED flash, HDR, panorama

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

Selfie Camera

16 MP
f/2.4, 23mm (wide), 1/3.09", 1.0µm, Sony IMX480

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

Selfie Features

HDR, panorama

Selfie Video Recording

1080p@30/60fps

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

Connectivity

SIM

Dual SIM
SIM1: Nano, SIM2: Nano

SIM 1 5G Bands

16 Bands

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

19 Bands

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

SIM 2 5G Bands

16 Bands

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

19 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, OTG

USB Type-C 3.2 Gen2, Display Port, OTG

Bluetooth

5.4

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

6000 mAh

5240 mAh

Type

Si/C Li-Ion

Removable

Wired charging

80W

90W

Charging Speed

100% in 47 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

Neptune Blue, Orion Red, Glowing Lunar White

Black, White and Green

Price in India

₹26999

₹64999

FAQs

Which phone has better performance?

In this comparison, the Xiaomi 15 with the Qualcomm Snapdragon 8 Elite (3nm) performs better than the Realme P3 Ultra with the Mediatek Dimensity 8350 (4nm), thanks to its more efficient chipset.

Which phone offers longer software support?

The Xiaomi 15 offers 4 years of OS updates, while the Realme P3 Ultra provides 2 years. When it comes to security updates, Xiaomi 15 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. Xiaomi 15 also has a brighter display with 3200 nits, improving outdoor visibility. Notably, Realme P3 Ultra has a higher resolution display, resulting in sharper visuals.

Which phone has a bigger battery and faster charging?

Realme P3 Ultra has a larger 6000 mAh battery for longer usage. Xiaomi 15 supports faster wired charging at 90W. Xiaomi 15 supports wireless charging at 50W, while Realme P3 Ultra lacks this feature.

Which phone has better water and dust resistance?

Realme P3 Ultra offers better water and dust resistance with an IP69 rating.