Redmi A3x 4G vs Samsung Galaxy S25+ – Price, Specs & Features

Q: Which phone has better performance, the Redmi A3x 4G or the Samsung Galaxy S25+?

In this comparison, the Samsung Galaxy S25+ with the Snapdragon 8 Elite (3 nm) performs better than the Redmi A3x 4G with the Unisoc T603 (12 nm), thanks to its more efficient chipset.

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Redmi A3x 4G

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

Samsung Galaxy S25+

Snapdragon 8 Elite
3 nm
4900 mAh
45W
6.7"
1440 x 3120 pixels
50 MP
8K@24/30fps

Samsung Galaxy S25+

General

Launch Date

May 24, 2024

January 22, 2025

Availability

Available Now

Android 14

Android 15

Custom UI

MIUI

One UI 7

OS Updates

2 Years

7 Years

Security Updates

3 Years

7 Years

AI Features

AI Select, Circle to Search, Cross-app Action, Call Transcript, Writing Assist, Drawing Assist, Audio Eraser, Now Brief, Now Bar and More

Body

Dimensions

168.4 x 76.3 x 8.3 mm

158.4 x 75.8 x 7.3 mm

Thickness

8.3 mm

7.3 mm

Weight

193 g

190 g

Back Material

Gorilla Glass Victus 2

Build Details

Mineral Glass

Aluminum Frame

IP Rating

IP68 (dust tight and water resistant (immersible up to 1.5m for 30 min), Armor aluminum 2 frame)

Display

Size

6.71 inches

6.7 inches

Type

IPS LCD

Dynamic LTPO AMOLED 2X, HDR10+, Always-on display

Refresh Rate

90 Hz

120 Hz

Peak Brightness

500 nits

2600 nits

Resolution

720x1650 pixels

1440 x 3120 pixels

Pixel Density

268 ppi

513 ppi

Aspect Ratio

20.5:9

19.5:9

Screen to Body Ratio

82.9 %

91.8 %

Protection

Gorilla Glass 3

Gorilla Glass Victus 2

Performance

Chipset

Unisoc Unisoc T603

Qualcomm Snapdragon 8 Elite

Process Size

12 nm

3 nm

CPU

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

Octa-core
2x4.47 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M

GPU

Mali-G57

Adreno 830

RAM & Storage

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

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

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

Yes

Camera

Main Camera

8 MP
f/2.0, (wide)

0.08 MP
(auxiliary lens)

50 MP
f/1.8, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS

10 MP
f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom

12 MP
f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video

OIS

Yes

Features

LED flash, HDR, Digital Zoom

Best Face, LED flash, auto-HDR, panorama

Video Recording

1080p@30fps

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

Video Recording Features

10-bit HDR, HDR10+, Stereo Sound recording, gyro-EIS

Selfie Camera

5 MP
f/2.2, (wide)

12 MP
f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF

Selfie Features

HDR

HDR, HDR10+

Selfie Video Recording

1080p@30fps

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

Connectivity

SIM

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

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

SIM 1 5G Bands

17 Bands

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

SIM 2 5G Bands

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78

VoLTE

Yes

Wi-Fi

Wi-Fi 4

Wi-Fi 7

Wi-Fi Details

802.11 b/g/n

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

Wi-Fi Features

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

USB

USB Type-C

USB Type-C 3.2, DisplayPort 1.2, OTG

Bluetooth

4.2

5.4

NFC

Yes

GPS

Yes with Glonass

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Yes

Battery

Capacity

5000 mAh

4900 mAh

Type

Li-Polymer

Li-Ion

Removable

Wired charging

10W

45W

Charging Speed

65% in 30 min

Wireless Charging

15W

Reverse Wireless Charging

4.5W

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

Yes

FM Radio

Yes

Extra Features

Sensors

Fingerprint (side-mounted), accelerometer, compass

Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer

Others

Virtual proximity sensing

Samsung DeX, Samsung Wireless DeX

Colors and Pricing

Colors

Midnight Black, Moonlight White, Aurora Green

Navy, Silver Shadow, Blue Black, Coral Red, Pink Gold

Price in India

₹6999

₹99999

FAQs

Which phone has better performance?

In this comparison, the Samsung Galaxy S25+ with the Qualcomm Snapdragon 8 Elite (3nm) 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 Samsung Galaxy S25+ offers 7 years of OS updates, while the Redmi A3x 4G provides 2 years. When it comes to security updates, Samsung Galaxy S25+ leads with 7 years of support.

Which phone has a better display?

Samsung Galaxy S25+ has a superior AMOLED display, while Redmi A3x 4G uses an LCD panel. Moreover, Samsung Galaxy S25+ offers a higher 120 Hz refresh rate for smoother scrolling. Samsung Galaxy S25+ also has a brighter display with 2600 nits, improving outdoor visibility. Notably, Samsung Galaxy S25+ has a higher resolution display, resulting in sharper visuals.

Which phone has a bigger battery and faster charging?

Redmi A3x 4G has a larger 5000 mAh battery for longer usage. Samsung Galaxy S25+ supports faster wired charging at 45W. Samsung Galaxy S25+ supports wireless charging at 15W, while Redmi A3x 4G lacks this feature.

Which phone has better water and dust resistance?

Samsung Galaxy S25+ has an IP68 rating, while Redmi A3x 4G lacks official water and dust resistance.