Which phone has better performance, the Oppo Find X8 or the Xiaomi 15?

In this comparison, the Oppo Find X8 with the Dimensity 9400 (3 nm) performs better than the Xiaomi 15 with the Snapdragon 8 Elite (3 nm), thanks to its more efficient chipset.

Oppo Find X8 vs Xiaomi 15 – Price, Specs & Features

Oppo Find X8 alternatives

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Xiaomi 15 alternatives

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Apple iPhone 15 Pro

Samsung Galaxy S23 Ultra

Samsung Galaxy S25+

Vivo X200 Pro

Vivo X200

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Oppo Find X8

Dimensity 9400
3 nm
5630 mAh
80W
6.59"
1256 x 2760 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

November 21, 2024

March 11, 2025

Availability

Available Now

Android 15

Custom UI

ColorOS 15

HyperOS 2

OS Updates

5 Years

4 Years

Security Updates

6 Years

AI Features

AI Screen Recognition, Gemini, AI Toolbox with AI Summary, AI Speak and AI Writer, AI Studio, AI Eraser, AI Ultra Clarity, AI Unblur, AI Editor

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

Body

Dimensions

157.4 x 74.3 x 7.9 mm

152.3 x 71.2 x 8.1 mm

Thickness

7.9 mm

8.1 mm

Weight

193 g

189 g

Back Material

Gorilla Glass 7i

Build Details

Aluminum Frame, Glass Back

Aluminum Alloy Frame

IP Rating

IP68 (up to 1.5m for 30 min)

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

Display

Size

6.59 inches

6.36 inches

Type

AMOLED, HDR10+ Ultra HDR image support

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

Refresh Rate

120 Hz

Peak Brightness

4500 nits

3200 nits

Resolution

1256 x 2760 pixels

1200 x 2670 pixels

Pixel Density

460 ppi

Aspect Ratio

19.78:9

20:9

Screen to Body Ratio

90.3 %

90.0 %

Protection

Gorilla Glass 7i

Performance

Chipset

Mediatek Dimensity 9400

Qualcomm Snapdragon 8 Elite

Process Size

3 nm

CPU

Octa-core
1x3.63 GHz Cortex-X925
3x3.3 GHz Cortex-X4
4x2.4 GHz Cortex-A720

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

GPU

Immortalis-G925

Adreno 830

RAM & Storage

12GB 256GB (UFS 4.0)
16GB 512GB (UFS 4.0)

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, multi-directional PDAF, OIS

50 MP
f/2.6, 73mm (periscope telephoto), 1/1.95", 0.61µm, 3x optical zoom, multi-directional PDAF, OIS

50 MP
f/2.0, 15mm, 120˚ (ultrawide), 1/2.75", 0.64µm, multi-directional PDAF

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

Laser AF, Hasselblad Color Calibration, LED flash, HDR, panorama

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

Video Recording

4K@30/60fps
1080p@30/60/240fps

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

Video Recording Features

gyro-EIS, HDR, 10‑bit video, Dolby Vision, Slo-motion

Selfie Camera

32 MP
f/2.4, 21mm (wide), 1/2.74", 0.8µm

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

Selfie Features

Panorama

HDR, panorama

Selfie Video Recording

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

15 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, 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

15 Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, 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 7

Wi-Fi Details

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 3.0 (Global), 2.0 (China), OTG

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

5630 mAh

5240 mAh

Type

Silicon Carbon

Si/C Li-Ion

Removable

Wired charging

80W

90W

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

Space Black, Star Grey

Black, White and Green

Price in India

₹69999

₹64999

FAQs

Which phone has better performance?

In this comparison, the Oppo Find X8 with the Mediatek Dimensity 9400 (3nm) performs better than the Xiaomi 15 with the Qualcomm Snapdragon 8 Elite (3nm), thanks to its more efficient chipset.

Which phone offers longer software support?

The Oppo Find X8 offers 5 years of OS updates, while the Xiaomi 15 provides 4 years. These phones will receive the same duration of security updates.

Which phone has a better display?

Both phones feature AMOLED displays. They have the same 120 Hz refresh rate. Oppo Find X8 also has a brighter display with 4500 nits, improving outdoor visibility. Notably, Oppo Find X8 has a higher resolution display, resulting in sharper visuals.

Which phone has a bigger battery and faster charging?

Oppo Find X8 has a larger 5630 mAh battery for longer usage. Xiaomi 15 supports faster wired charging at 90W. These phones support 50W wireless charging.

Which phone has better water and dust resistance?

Both phones have the same IP68 rating for water and dust resistance.