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

Q: Which phone has better performance, the Oppo Find X8 or the Redmi 15?

In this performance comparison, the Oppo Find X8 with its Dimensity 9400 (3nm) performs better than the Redmi 15 with the Snapdragon 6s Gen 3 (6nm), thanks to superior chipset efficiency.

Oppo Find X8 alternatives

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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
Specs

Redmi 15

Snapdragon 6s Gen 3
6 nm
7000 mAh
33W
6.9"
1080 x 2340 pixels
50 MP
1080p@30fps
Specs

Redmi 15

General

Launch Date

November 21, 2024

August 19, 2025

Availability

Available Now

August 28

Android 15

Custom UI

ColorOS 15

HyperOS 2.2

OS Updates

5 Years

2 Years

Security Updates

6 Years

4 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

Circle to Search, Gemini Live, AI Erase and more

Body

Dimensions

157.4 x 74.3 x 7.9 mm

169.5 x 80.5 x 8.4 mm

Thickness

7.9 mm

8.4 mm

Weight

193 g

217 g

Back Material

Gorilla Glass 7i

Build Details

Aluminum Frame, Glass Back

Plastic Back

IP Rating

IP68 (up to 1.5m for 30 min)

IP64 (dust tight and water resistant (water splashes))

Display

Size

6.59 inches

6.9 inches

Type

AMOLED, HDR10+ Ultra HDR image support

IPS LCD

Refresh Rate

120 Hz

144 Hz

Peak Brightness

4500 nits

850 nits

Resolution

1256 x 2760 pixels

1080 x 2340 pixels

Pixel Density

460 ppi

374 ppi

Aspect Ratio

19.78:9

19.5:9

Screen to Body Ratio

90.3 %

85.7 %

Protection

Gorilla Glass 7i

Performance

Chipset¹

Mediatek Dimensity 9400

Qualcomm Snapdragon 6s Gen 3

Process Size

3 nm

6 nm

CPU

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

Octa-core
2x2.3 GHz Cortex-A78
6x2.0 GHz Cortex-A55

GPU

Immortalis-G925

Adreno 619

RAM & Storage

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

6GB 128GB (UFS 2.2)
8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)

RAM Type

LPDDR5X

LPDDR4X

Expandable Memory

Yes

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/1.75, (wide), 1/2.88" 0.61μm, PDAF
Auxiliary lens

OIS

Yes

Features

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

LED flash, HDR

Video Recording

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

1080p@30fps

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

8 MP
f/2.2, (wide)

Selfie Features

Panorama

HDR

Selfie Video Recording

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

1080p@30fps

Connectivity

SIM

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

Dual SIM (Nano + Nano (Hybrid))

5G Support

Yes

15 5G bands
n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n66, n77, n78

Yes

7 5G bands
n1, n3, n5, n8, n28, n40, n78

VoLTE

Yes

Wi-Fi

Wi-Fi 7

Wi-Fi 5

Wi-Fi Details

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

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

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 3.0 (Global), 2.0 (China), OTG

USB Type-C 2.0, OTG

Bluetooth

5.4

5.1

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5630 mAh

7000 mAh

Type

Silicon Carbon

Removable

Wired charging

80W

33W

Reverse Wired Charging

15W

Wireless Charging

50W

-2W

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

Side-mounted fingerprint sensor, accelerometer, compass

Others

Virtual proximity sensing

Colors and Pricing

Colors

Space Black, Star Grey

Midnight Black, Frosted White, Sandy Purple

Price in India

₹69999

₹14999

FAQs

Which phone has better performance?

In this performance comparison, the Oppo Find X8 with its Mediatek Dimensity 9400 (3nm) performs better than the Redmi 15 with the Qualcomm Snapdragon 6s Gen 3 (6nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Oppo Find X8 offers 5 years of OS updates, whereas Redmi 15 provides 2 years. For security updates, Oppo Find X8 offers 6 years of support compared to Redmi 15's 4 years.

Which phone has a better display?

Oppo Find X8 features a superior AMOLED display, while Redmi 15 comes with an LCD panel. In terms of smoothness, Redmi 15 offers a higher 144 Hz refresh rate, ensuring fluid scrolling and animations. Oppo Find X8 also boasts a brighter screen with 4500 nits of peak brightness, enhancing outdoor visibility. Notably, Oppo Find X8 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Redmi 15 features a larger 7000 mAh battery, potentially delivering better battery life. Oppo Find X8 also supports faster wired charging at 80W, compared to 33W on Redmi 15. Oppo Find X8 offers faster wireless charging at 50W, while Redmi 15 supports -2W.

Which phone has better water and dust resistance?

Oppo Find X8 offers better protection against water and dust with an IP68 rating.

Can I buy these phones on Amazon?

Oppo Find X8 – Check price here

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