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

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

In this comparison, the OnePlus 12 with the Snapdragon 8 Gen 3 (4 nm) performs better than the Redmi A3x 4G with the Unisoc T603 (12 nm), thanks to its more efficient chipset.

OnePlus 12 alternatives

Tap above to see alternatives.

Vivo X200

Google Pixel 9 Pro

Samsung Galaxy S24 Ultra

Apple iPhone 16 Plus

Apple iPhone 15

Redmi A3x 4G alternatives

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OnePlus 12

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

Redmi A3x 4G

Unisoc T603
12 nm
5000 mAh
10W
6.71"
720x1650 pixels
8 MP
1080p@30fps

Redmi A3x 4G

General

Launch Date

January 23, 2024

May 24, 2024

Availability

Available Now

Android 14

Custom UI

OxygenOS 14

MIUI

OS Updates

4 Years

2 Years

Security Updates

5 Years

3 Years

AI Features

AI Eraser

Body

Dimensions

164.3 x 75.8 x 9.2 mm

168.4 x 76.3 x 8.3 mm

Thickness

9.2 mm

8.3 mm

Weight

220 g

193 g

Back Material

Gorilla Glass 5

Build Details

Aluminum Frame

Mineral Glass

IP Rating

IP65

Display

Size

6.82 inches

6.71 inches

Type

LTPO AMOLED, HDR10, Always-on display

IPS LCD

Refresh Rate

120 Hz

90 Hz

Peak Brightness

4500 nits

500 nits

Resolution

1440x3168 pixels

720x1650 pixels

Pixel Density

510 ppi

268 ppi

Aspect Ratio

19.8:9

20.5:9

Screen to Body Ratio

90.8 %

82.9 %

Protection

Gorilla Glass Victus 2

Gorilla Glass 3

Performance

Chipset

Qualcomm Snapdragon 8 Gen 3

Unisoc Unisoc T603

Process Size

4 nm

12 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
1.8 GHz, Dual core, Cortex A75
1.6 GHz, Hexa Core, Cortex A55

GPU

Adreno 750

Mali-G57

RAM & Storage

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

3GB 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)

0.08 MP
(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, Digital Zoom

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

HDR

Selfie Video Recording

4K@30fps
1080p@30fps

1080p@30fps

Connectivity

SIM

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

SIM 1 5G Bands

13 Bands

FDD: N1, N3, N5, N7, N8, N20, N28, N66
TDD: N38, N40, N41, N77, N78

SIM 2 5G Bands

13 Bands

FDD: N1, N3, N5, N7, N8, N20, N28
TDD: N38, N40, N41, N66, N77, N78

VoLTE

Yes

Wi-Fi

Wi-Fi 7

Wi-Fi 4

Wi-Fi Details

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

802.11 b/g/n

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 3.2, OTG

USB Type-C

Bluetooth

5.4

4.2

NFC

Yes

GPS

Yes with A-GPS, Glonass

Yes with Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5400 mAh

5000 mAh

Type

Li-Polymer

Removable

Wired charging

100W

10W

Charging Speed

100% in 26 min

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, compass

Others

Virtual proximity sensing

Colors and Pricing

Colors

Flowy Emerald, Silky Black, Glacial White

Midnight Black, Moonlight White, Aurora Green

Price in India

₹62999

₹6999

FAQs

Which phone has better performance?

In this comparison, the OnePlus 12 with the Qualcomm Snapdragon 8 Gen 3 (4nm) performs better than the Redmi A3x 4G with the Unisoc Unisoc T603 (12nm), thanks to its more efficient chipset.

Which phone offers longer software support?

The OnePlus 12 offers 4 years of OS updates, while the Redmi A3x 4G provides 2 years. When it comes to security updates, OnePlus 12 leads with 5 years of support.

Which phone has a better display?

OnePlus 12 has a superior AMOLED display, while Redmi A3x 4G uses an LCD panel. Moreover, it offers a higher 120 Hz refresh rate for smoother scrolling. OnePlus 12 also has a brighter display with 4500 nits, improving outdoor visibility. Notably, OnePlus 12 has a higher resolution display, resulting in sharper visuals.

Which phone has a bigger battery and faster charging?

OnePlus 12 has a larger 5400 mAh battery for longer usage. OnePlus 12 supports faster wired charging at 100W. OnePlus 12 supports wireless charging at 50W, while Redmi A3x 4G lacks this feature.

Which phone has better water and dust resistance?

OnePlus 12 has an IP65 rating, while Redmi A3x 4G lacks official water and dust resistance.