OnePlus 12 vs Oppo A3x 4G – Price, Specs & Features

Q: Which phone has better performance, the OnePlus 12 or the Oppo A3x 4G?

In this performance comparison, the OnePlus 12 with its Snapdragon 8 Gen 3 (4nm) performs better than the Oppo A3x 4G with the Snapdragon 6s Gen 1 (11nm), thanks to superior chipset efficiency.

OnePlus 12 alternatives

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Apple iPhone 15 Pro Max

Oppo A3x 4G alternatives

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Lava Blaze Dragon

Samsung Galaxy F05 4G

Motorola Moto G05 4G

Poco C71 4G

Redmi A5 4G

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OnePlus 12

Snapdragon 8 Gen 3
4 nm
5400 mAh
100W
6.82"
1440x3168 pixels
50 MP
8K@24fps
Specs

Oppo A3x 4G

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

Oppo A3x 4G

General

Launch Date

January 23, 2024

August 20, 2024

Availability

Available Now

Android 14

Custom UI

OxygenOS 14

ColorOS 14

OS Updates

4 Years

Security Updates

5 Years

AI Features

AI Eraser

Body

Dimensions

164.3 x 75.8 x 9.2 mm

165.8 x 76.1 x 7.7 mm

Thickness

9.2 mm

7.7 mm

Weight

220 g

186 g

Back Material

Gorilla Glass 5

Build Details

Aluminum Frame

IP Rating

IP65

IP54

Display

Size

6.82 inches

6.67 inches

Type

LTPO AMOLED, HDR10, Always-on display

IPS LCD

Refresh Rate

120 Hz

90 Hz

Peak Brightness

4500 nits

1000 nits

Resolution

1440x3168 pixels

720 x 1604 pixels

Pixel Density

510 ppi

264 ppi

Aspect Ratio

19.8:9

20:9

Screen to Body Ratio

90.8 %

85.0 %

Protection

Gorilla Glass Victus 2

Performance

Chipset¹

Qualcomm Snapdragon 8 Gen 3

Qualcomm Snapdragon 6s Gen 1

Process Size

4 nm

11 nm

CPU

Octa-core
1x3.3 GHz Cortex-X4
3x3.2 GHz Cortex-A720
2x3.0 GHz Cortex-A720
2x2.3 GHz Cortex-A520

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

GPU

Adreno 750

Adreno 610

RAM & Storage

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

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

RAM Type

LPDDR5X

LPDDR4X

Expandable Memory

Yes

Camera

Main Camera

50 MP
f/1.6, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS

64 MP
f/2.6, 70mm (periscope telephoto), 1/2.0", 0.7µm, PDAF, OIS, 3x optical zoom

48 MP
f/2.2, 14mm, 114˚ (ultrawide), 1/2.0", 0.8µm, PDAF

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

OIS

Yes

Features

Hasselblad Color Calibration, Dual-LED flash, HDR, panorama, Digital Zoom, Auto Flash, Face detection, Filters, Touch to focus, Fixed Focus

LED flash, HDR, panorama

Video Recording

8K@24fps
4K@30/60fps
1080p@30/60/240/480fps

1080p@30fps

Video Recording Features

Auto HDR, gyro-EIS, Dolby Vision, Dual Video Recording, Slo-motion, Ultra Steady Video, Video HDR, Bokeh portrait video, Video Pro Mode

Selfie Camera

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

5 MP
f/2.2, (wide)

Selfie Features

Auto-HDR, panorama

Selfie Video Recording

4K@30fps
1080p@30fps

1080p@30fps

Connectivity

SIM

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

5G Support

Yes

13 5G bands
n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78

No (Supports 4G only)

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 3.2, OTG

USB Type-C 2.0, OTG

Bluetooth

5.4

5.0

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5400 mAh

5100 mAh

Type

Li-Polymer

Removable

Wired charging

100W

45W

Charging Speed

100% in 26 min

50% in 30 min

Reverse Wired Charging

Wireless Charging

50W

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 (under display, optical), accelerometer, gyro, proximity, compass, color spectrum

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

Colors and Pricing

Colors

Flowy Emerald, Silky Black, Glacial White

Nebula Red, Ocean Blue

Price in India

₹64997

₹8999

FAQs

Which phone has better performance?

In this performance comparison, the OnePlus 12 with its Qualcomm Snapdragon 8 Gen 3 (4nm) 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?

OnePlus 12 offers 4 years of OS updates, while Oppo A3x 4G does not have confirmed OS update information. OnePlus 12 receives 5 years of security updates, while Oppo A3x 4G does not have confirmed security update information.

Which phone has a better display?

OnePlus 12 features a superior AMOLED display, while Oppo A3x 4G comes with an LCD panel. In terms of smoothness, OnePlus 12 offers a higher 120 Hz refresh rate, ensuring fluid scrolling and animations. OnePlus 12 also boasts a brighter screen with 4500 nits of peak brightness, enhancing outdoor visibility. Notably, OnePlus 12 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

OnePlus 12 comes with a larger 5400 mAh battery, which may offer longer usage on a single charge. OnePlus 12 also supports faster wired charging at 100W, compared to 45W on Oppo A3x 4G. OnePlus 12 supports wireless charging at 50W, while Oppo A3x 4G does not support wireless charging.

Which phone has better water and dust resistance?

OnePlus 12 offers better protection against water and dust with an IP65 rating.

Can I buy these phones on Amazon?

OnePlus 12 – Check price here
Oppo A3x 4G – Check price here

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