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

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

In this performance comparison, the OnePlus 12R with its Snapdragon 8 Gen 2 (4nm) performs better than the Redmi A3x 4G with the Unisoc T603 (12nm), thanks to superior chipset efficiency.

OnePlus 12R alternatives

Tap above to see alternatives.

Realme GT 6T

Redmi A3x 4G alternatives

Tap above to see alternatives.

Tecno Spark 30C

Lava Blaze Dragon

Lava Yuva Star 4G

Samsung Galaxy F05 4G

Lava Shark 4G

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OnePlus 12R

Snapdragon 8 Gen 2
4 nm
5500 mAh
100W
6.78"
1264x2780 pixels
50 MP
4K@30/60fps
Specs

Redmi A3x 4G

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

Redmi A3x 4G

General

Launch Date

January 23, 2024

May 24, 2024

Availability

Available Now

Android 14

Custom UI

OxygenOS 14

MIUI

OS Updates

3 Years

2 Years

Security Updates

4 Years

3 Years

AI Features

AI Eraser

Body

Dimensions

163.3 x 75.3 x 8.8 mm

168.4 x 76.3 x 8.3 mm

Thickness

8.8 mm

8.3 mm

Weight

207 g

193 g

Build Details

Mineral Glass back panel, Aluminum Frame

Mineral Glass

IP Rating

IP64

Display

Size

6.78 inches

6.71 inches

Type

LTPO4 AMOLED, HDR10

IPS LCD

Refresh Rate

120 Hz

90 Hz

Peak Brightness

4500 nits

500 nits

Resolution

1264x2780 pixels

720x1650 pixels

Pixel Density

450 ppi

268 ppi

Aspect Ratio

19.8:9

20.5:9

Screen to Body Ratio

90.9 %

82.9 %

Protection

Gorilla Glass Victus 2

Gorilla Glass 3

Performance

Chipset¹

Qualcomm Snapdragon 8 Gen 2

Unisoc Unisoc T603

Process Size

4 nm

12 nm

CPU

Octa-core
1x3.2 GHz Cortex-X3
2x2.8 GHz Cortex-A715
2x2.8 GHz Cortex-A710
3x2.0 GHz Cortex-A510

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

GPU

Adreno 740

Mali-G57

RAM & Storage

8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)
16GB 256GB (UFS 3.1)

3GB 64GB (eMMC 5.1)
4GB 128GB (eMMC 5.1)

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, Laser AF, OIS

8 MP
f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm

2 MP
f/2.4, (macro)

8 MP
f/2.0, (wide)

0.08 MP
(auxiliary lens)

OIS

Yes

Features

LED flash, HDR, panorama, 20 x Digital Zoom, Auto Flash, Custom Watermark, Face detection, Filters, Touch to focus, Fixed Focus

LED flash, HDR, Digital Zoom

Video Recording

4K@30/60fps
1080p@30/60/120/240fps

1080p@30fps

Video Recording Features

gyro-EIS, OIS, Dual Video Recording, Ultra Steady Video, Bokeh portrait video

Selfie Camera

16 MP
f/2.4, 26mm (wide), 1/3", 1.0µm

5 MP
f/2.2, (wide)

Selfie Features

HDR, panorama

HDR

Selfie Video Recording

1080p@30fps

Connectivity

SIM

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

SIM 1

15 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N28
TDD: N38, N40, N41, N66, N77, N78

No 5G Support (Supports 4G Only)

SIM 2

15 5G Bands

FDD: N1, N2, N3, N5, N7, N8, N12, N20, N28
TDD: N38, N40, N41, N66, N77, N78

No 5G Support (Supports 4G Only)

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 2.0

USB Type-C

Bluetooth

5.3

4.2

NFC

Yes

GPS

Yes with A-GPS, Glonass

Yes with Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5500 mAh

5000 mAh

Type

Li-Polymer

Removable

Wired charging

100W

10W

Charging Speed

100% in 26 min

Wireless Charging

Reverse Wireless Charging

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

Iron Gray, Cool Blue

Midnight Black, Moonlight White, Aurora Green

Price in India

₹39998

₹6140

FAQs

Which phone has better performance?

In this performance comparison, the OnePlus 12R with its Qualcomm Snapdragon 8 Gen 2 (4nm) performs better than the Redmi A3x 4G with the Unisoc Unisoc T603 (12nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

OnePlus 12R offers 3 years of OS updates, whereas Redmi A3x 4G provides 2 years. For security updates, OnePlus 12R offers 4 years of support compared to Redmi A3x 4G's 3 years.

Which phone has a better display?

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

Which phone has a bigger battery and faster charging?

OnePlus 12R comes with a larger 5500 mAh battery, which may offer longer usage on a single charge. OnePlus 12R also supports faster wired charging at 100W, compared to 10W on Redmi A3x 4G.

Which phone has better water and dust resistance?

OnePlus 12R includes an IP64 rating, while Redmi A3x 4G lacks an official IP rating.

Can I buy these phones on Amazon?

OnePlus 12R – Check price here
Redmi A3x 4G – Check price here

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