Which phone offers longer software support, the Oppo A3x 4G or the Xiaomi 15 Ultra?

Xiaomi 15 Ultra offers 4 years of OS updates, while Oppo A3x 4G does not have confirmed OS update information. Xiaomi 15 Ultra receives 6 years of security updates, while Oppo A3x 4G does not have confirmed security update information.

Oppo A3x 4G vs Xiaomi 15 Ultra – Price, Specs & Features

Oppo A3x 4G alternatives

Tap above to see alternatives.

Lava Yuva 4 4G

Poco C75

Motorola Moto G35

Samsung Galaxy F05 4G

Samsung Galaxy M06

Xiaomi 15 Ultra alternatives

Tap above to see alternatives.

Vivo X200

Apple iPhone 15

Vivo X200 Pro

Apple iPhone 16 Pro Max

Google Pixel 9 Pro XL

Your comparison result will be shown here.

Oppo A3x 4G

Snapdragon 6s Gen 1
11 nm
5100 mAh
45W
6.67"
720 x 1604 pixels
8 MP
1080p@30fps
Specs

Xiaomi 15 Ultra

Snapdragon 8 Elite
3 nm
5410 mAh
90W
6.73"
1440 x 3200 pixels
50 MP
8K@30fps
Specs

Oppo A3x 4G

Xiaomi 15 Ultra

General

Launch Date

August 20, 2024

March 11, 2025

Availability

Available Now

Android 14

Android 15

Custom UI

ColorOS 14

HyperOS 2

OS Updates

4 Years

Security Updates

6 Years

AI Features

HyperAI, AI Write, AI Summary and more

Body

Dimensions

165.8 x 76.1 x 7.7 mm

161.3 x 75.3 x 9.4 mm

Thickness

7.7 mm

9.4 mm

Weight

186 g

226 g

Build Details

Glass-fiber Back Or Vegan Leather, Aluminum Frame

IP Rating

IP54

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

Display

Size

6.67 inches

6.73 inches

Type

IPS LCD

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

Refresh Rate

90 Hz

120 Hz

Peak Brightness

1000 nits

3200 nits

Resolution

720 x 1604 pixels

1440 x 3200 pixels

Pixel Density

264 ppi

522 ppi

Aspect Ratio

20:9

Screen to Body Ratio

85.0 %

89.7 %

Performance

Chipset¹

Qualcomm Snapdragon 6s Gen 1

Qualcomm Snapdragon 8 Elite

Process Size

11 nm

3 nm

CPU

Octa core
2.1 GHz, Quad core, Cortex A73
2 GHz, Quad core, Cortex A53

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

GPU

Adreno 610

Adreno 830

RAM & Storage

4GB 64GB (eMMC 5.1)
4GB 128GB (eMMC 5.1)

12GB 256GB (UFS 4.1)
16GB 512GB (UFS 4.1)
16GB 1024GB (UFS 4.1)

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

Yes

Camera

Main Camera

8 MP
f/2.0, (wide), PDAF
Auxiliary lens

50 MP
f/1.6, 23mm (wide), 1.0"-type, 1.6µm, Sony LYT-900, dual pixel PDAF, OIS

50 MP
f/1.8, 70mm (telephoto), 1/2.51", 0.7µm, Sony IMX858, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom

200 MP
f/2.6, 100mm (periscope telephoto), 1/1.4", 0.56µm, Samsung S5KHP9, multi-directional PDAF, OIS, 4.3x optical zoom

50 MP
f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, Samsung S5KJN5, dual pixel PDAF
TOF 3D, (depth)

OIS

Yes

Features

LED flash, HDR, panorama

Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)

Video Recording

1080p@30fps

8K@30fps
4K@30/60/120fps
1080p@30/60/120/240/480/960/1920fps

Video Recording Features

gyro-EIS, Dolby Vision HDR 10-bit recording (4K@60fps, 1080p)

Selfie Camera

5 MP
f/2.2, (wide)

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

Selfie Features

HDR, panorama

Selfie Video Recording

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

No 5G Support (Supports 4G Only)

21 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N71, N75, N77, N78, N79

SIM 2

No 5G Support (Supports 4G Only)

21 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N25, N26, N28
TDD: N38, N40, N41, N48, N66, N71, N75, N77, N78, N79

VoLTE

Yes

Wi-Fi

Wi-Fi 5

Wi-Fi 7

Wi-Fi Details

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

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

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 2.0, OTG

USB Type-C 3.2 Gen 2, DisplayPort, OTG

Bluetooth

5.0

6.0

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5100 mAh

5410 mAh

Type

Li-Polymer

Si/C Li-Ion

Removable

Wired charging

45W

90W

Charging Speed

50% in 30 min

Wireless Charging

80W

Reverse Wireless Charging

10W

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

Yes

FM Radio

Yes

Extra Features

Sensors

Fingerprint (side-mounted), accelerometer, proximity, compass

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

Others

Two-way satellite communication

Colors and Pricing

Colors

Nebula Red, Ocean Blue

Chrome Silver

Price in India

₹8999

₹109999

FAQs

Which phone has better performance?

In this performance comparison, the Xiaomi 15 Ultra with its Qualcomm Snapdragon 8 Elite (3nm) performs better than the Oppo A3x 4G with the Qualcomm Snapdragon 6s Gen 1 (11nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Which phone has a better display?

Xiaomi 15 Ultra features a superior AMOLED display, while Oppo A3x 4G comes with an LCD panel. In terms of smoothness, Xiaomi 15 Ultra offers a higher 120 Hz refresh rate, ensuring fluid scrolling and animations. Xiaomi 15 Ultra also boasts a brighter screen with 3200 nits of peak brightness, enhancing outdoor visibility. Notably, Xiaomi 15 Ultra offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Xiaomi 15 Ultra features a larger 5410 mAh battery, potentially delivering better battery life. Xiaomi 15 Ultra also supports faster wired charging at 90W, compared to 45W on Oppo A3x 4G. Xiaomi 15 Ultra supports wireless charging at 80W, while Oppo A3x 4G lacks this feature.

Which phone has better water and dust resistance?

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

Can I buy these phones on Amazon?

Oppo A3x 4G – Check price here
Xiaomi 15 Ultra – Check price here

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