OnePlus 12 vs Oppo A3 Pro – Price, Specs & Features

Q: Which phone has better performance, the OnePlus 12 or the Oppo A3 Pro?

In this performance comparison, the OnePlus 12 with its Snapdragon 8 Gen 3 (4nm) performs better than the Oppo A3 Pro with the Dimensity 6300 (6nm), thanks to superior chipset efficiency.

OnePlus 12 alternatives

Tap above to see alternatives.

Samsung Galaxy S24 Ultra

Google Pixel 9 Pro XL

Xiaomi 15 Ultra

Apple iPhone 15

Vivo X200 Pro

Oppo A3 Pro alternatives

Tap above to see alternatives.

Your comparison result will be shown here.

OnePlus 12

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

Oppo A3 Pro

Dimensity 6300
6 nm
5100 mAh
45W
6.67"
720x1604 pixels
50 MP
1080p@30/60fps
Specs

Oppo A3 Pro

General

Launch Date

January 23, 2024

June 21, 2024

Availability

Available Now

Operating System (OS)

Android 14

Custom UI

OxygenOS 14

ColorOS 14

OS Updates

4 Years (until Android 18)

2 Years (until Android 16)

Security Updates

5 Years (until 2029)

3 Years (until 2027)

AI Features

AI Eraser

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

Peak Brightness

4500 nits

1000 nits

Resolution

1440x3168 pixels

720x1604 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

Mediatek Dimensity 6300

Process Size

4 nm

6 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
2x2.4 GHz Cortex-A76
6x Cortex-A55

GPU

Adreno 750

Mali-G57 MC2

RAM & Storage

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

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

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

50 MP
f/1.8, (wide), PDAF

2 MP
f/2.4, (depth)

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, Digital Zoom, Auto Flash, Face detection, Touch to focus

Video Recording

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

1080p@30/60fps

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

Dual Video Recording

Selfie Camera

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

8 MP
f/2.0, (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

Yes

9 5G bands
n1, n3, n5, n8, n28, n40, n41, n77, 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 3.2, OTG

USB Type-C 2.0, OTG

Bluetooth

5.4

5.3

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5400 mAh

5100 mAh

Type

Li-Polymer

Li-ion

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

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

Moonlit Purple, Starry Black

Price in India

₹56440

₹14950

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 A3 Pro with the Mediatek Dimensity 6300 (6nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

OnePlus 12 launched with Android 14 and will receive updates until Android 18, whereas Oppo A3 Pro launched with Android 14 and will get Android 16. OnePlus 12 will get security updates until 2029 (approx. 5 years), while Oppo A3 Pro is supported till 2027.

Which phone has a better display?

OnePlus 12 features a superior AMOLED display, while Oppo A3 Pro comes with an LCD panel. Both smartphones offer the same 120 Hz refresh rate. 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 A3 Pro. OnePlus 12 supports wireless charging at 50W, while Oppo A3 Pro 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.

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