Xiaomi Redmi 12 vs Samsung Galaxy A03

41 out of 100

VS

33 out of 100

Here we compared two budget smartphones: the 6.79-inch Xiaomi Redmi 12 (with MediaTek Helio G88) that was released on June 15, 2023, against the Samsung Galaxy A03, which is powered by Unisoc T606 and came out 1 year and 7 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely

Key differences

An overview of the main advantages of each smartphone

Reasons to consider the Xiaomi Redmi 12

Water-resistant body (IP53 classification)
Higher display refresh rate – 90 Hz
47% higher pixel density (396 vs 270 PPI)
Modern USB Type-C port
Delivers 29% higher peak brightness (536 against 417 nits)
Newer Bluetooth version (v5.3)
Fingerprint scanner
More recent OS version: Android 15 versus 13
27% better performance in AnTuTu Benchmark (370K versus 291K)
Slow-motion recording at 120FPS
Thinner bezels – 6.1% more screen real estate
The phone is 1 year and 7 months newer
Has a built-in infrared port

Reasons to consider the Samsung Galaxy A03

Supports Dolby Atmos sound technology

Review

Evaluation of Xiaomi Redmi 12 and Samsung Galaxy A03 crucial features

Display

Screen quality, color accuracy, brightness

Redmi 12

58

Galaxy A03

39

Camera

Photo and video recording quality

Redmi 12

38*

Galaxy A03

28

Performance

CPU and memory performance (apps, system)

Redmi 12

19

Galaxy A03

16

Gaming

Capabilities for playing modern games

Redmi 12

10

Galaxy A03

10

Battery

Battery life, charging type and speed

Redmi 12

55

Galaxy A03

54

Connectivity

Networks, ports, data transmission

Redmi 12

58

Galaxy A03

47

Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.

DeviceFacts Score

Final comparison evaluation

Redmi 12

41*

Galaxy A03

33

Select your primary usage scenario to get a more accurate DeviceFacts Score

Value for money (Beta)

I'm choosing between these two smartphones I already have Samsung Galaxy A03. Is it worth upgrading?

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Avg. Price*

$

Currency

Avg. Price*

$

Redmi 12

2 / 128 GB

VS

✅ Galaxy A03

2 / 32 GB

68.6

(Good)

Value Index

77.4

(Good)

Display

Type	IPS LCD	PLS TFT
Size	6.79 inches	6.5 inches
Resolution	1080 x 2460 pixels	720 x 1600 pixels
Aspect ratio	19.5:9	20:9
PPI	396 ppi	270 ppi
Refresh rate	90 Hz	60 Hz
Adaptive refresh rate	No	No
Max rated brightness	550 nits	400 nits
HDR support	No	No
Screen protection	Tempered glass	Tempered glass
Screen-to-body ratio	88%	81.9%

Display tests
RGB color space	96.3%	96%
PWM	Not detected	Not detected
Response time	26 ms	45 ms
Contrast	898:1	1641:1

Screen space comparison

Redmi 12

6.79″ (19.5:9 ratio) = 17.5 in²

Galaxy A03

6.5″ (20:9 ratio) = 15.8 in²

~10% more screen space

Peak brightness test (auto)

Redmi 12 +29%

536 nits

Galaxy A03

417 nits

Sources: NotebookCheck [3], [4]

Design and build

Height	168.6 mm (6.64 inches)	164.2 mm (6.46 inches)
Width	76.28 mm (3 inches)	75.9 mm (2.99 inches)
Thickness	8.17 mm (0.32 inches)	9.1 mm (0.36 inches)
Weight	198.5 g (7 oz)	196 g (6.91 oz)
Waterproof	IP53	No
Rear material	Plastic	Plastic
Frame material	Plastic	Plastic
Colors	Black, Silver, Blue	Black, Blue, Red
Fingerprint scanner	Yes, in-button	No

Screen-to-body ratio

Redmi 12 +7%

88%

Galaxy A03

81.9%

Performance

Chipset specifications of Xiaomi Redmi 12 and Samsung Galaxy A03

SoC
Chipset	MediaTek Helio G88	Unisoc T606
Max clock	2000 MHz	1600 MHz
CPU cores	8 (2 + 6)	8 (2 + 6)
Architecture	- 6 cores at 1.8 GHz: Cortex-A55 - 2 cores at 2 GHz: Cortex-A75	- 6 cores at 1.6 GHz: Cortex-A55 - 2 cores at 1.6 GHz: Cortex-A75
L3 cache	-	1 MB
Manufacturing	TSMC	TSMC
Lithography process	12 nanometers	12 nanometers
Neural processor (NPU)	MediaTek APU	No

GPU
Graphics	Mali-G52 MC2	Mali G57 MP1
GPU shading units	48	32
GPU clock	1000 MHz	650 MHz
FLOPS	~96 GFLOPS	~41.6 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi Redmi 12 and Samsung Galaxy A03

Geekbench 6 (Single-Core)

Redmi 12 +17%

434

Galaxy A03

370

Geekbench 6 (Multi-Core)

Redmi 12 +2%

1223

Galaxy A03

1199

Single-core score	434	370
Multi-core score	1223	1199

Sources: Geekbench [3]

AnTuTu Benchmark 11

Redmi 12 +27%

370165

Galaxy A03

291706

CPU	142919	136204
GPU	26174	15043
Memory	90544	67286
UX	110528	73173
Total score	370165	291706
Samples	[5 tests]	[3 tests]

3DMark Steel Nomad Light

Redmi 12

81

Galaxy A03

n/a

Stability	95%	-
Graphics test	1 FPS	-
Graphics score	81	-

Sources: 3DMark [5], [6]

PCMark 3.0

Redmi 12 +28%

9121

Galaxy A03

7149

Web score	8703	6677
Video editing	6840	3936
Photo editing	18638	14202
Data manipulation	6312	5677
Writing score	8610	8365

Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users

Xiaomi Redmi 12

Date	Benchmark	Result
📘 2026-10-07 (ID sanul)	AnTuTu 12	441356
📘 2026-09-27 (R12 User)	AnTuTu 12	445418
📘 2026-06-17 (StalinxQQ)	AnTuTu 11	375099
📘 2026-06-02 (Mpanpis)	AnTuTu 11	373290
📘 2026-05-29 (Sanul)	AnTuTu 11	370165

Add View all (7)

Samsung Galaxy A03

Date	Benchmark	Result
📘 2026-09-19 (Muniviiro)	AnTuTu 12	367769
📘 2025-11-19 -> Userer	AnTuTu 11	291706
📘 2025-11-17 (niokn)	AnTuTu 11	303324
📘 2025-10-08 (KIN)	AnTuTu 11	291379
📘 2024-07-30 (enmitysl)	Geekbench 6 CPU	370 / 1199

Add View all (5)

Memory

RAM
RAM size	2 GB	2 GB
Memory type	LPDDR4X	LPDDR4X
Memory clock	1800 MHz	-
Channels	2	2

Storage
Storage size	128 GB	32 GB
Storage type	eMMC 5.1	eMMC 5.1
Memory card	MicroSD	MicroSD
Memory card max size	Up to 1024 GB	Up to 1024 GB

Software

Operating system	Android 13 (Can be upgraded to Android 15)	Android 11 (Can be upgraded to Android 13)
ROM	HyperOS 2.0	One UI Core 5.1
OS size	18 GB	13.5 GB
OS updates	2 years	2 years
Security updates	2 years	4 years

Battery

Capacity	5000 mAh	5000 mAh
Max charge power	18 W	15 W
Battery type	Li-Po	Li-Ion
Replaceable	No	No
Wireless charging	No	No
Reverse charging	No	No
Fast charging	Yes (29% in 30 min)	Yes (20% in 40 min)
Full charging time	2:07 hr	3:35 hr

Battery life tests
Web browsing	07:58 hr	09:11 hr
Watching video	12:45 hr	11:46 hr
Gaming	04:59 hr	05:23 hr
Standby	118 hr	103 hr

General battery life

Redmi 12 +4%

22:09 hr

Galaxy A03

21:21 hr

Add your battery life

Main camera

Matrix	50 megapixels	48 megapixels
Image resolution	8150 x 6150	8000 x 6000
Zoom	Digital	Digital
Flash	LED	LED
Stabilization	Digital	Digital
8K video recording	No	No
4K video recording	No	No
1080p video recording	Up to 30FPS	Up to 30FPS
Slow motion	120 FPS (720p)	No
Angle of widest lens	120°	-
Lenses	1) Standard: 50 MP 2) Ultrawide: 8 MP 3) Depth: 2 MP	1) Standard: 48 MP 2) Depth: 2 MP
Camera features	- Bokeh mode	- Bokeh mode

Standard lens
Image resolution	50 MP	48 MP
Aperture	f/1.8	f/1.8
Sensor	Samsung S5KJN1	-
Sensor size	1/2.76" (≈ 0.36 inch)	-
Pixel size	0.64 micron	0.8 micron
Autofocus	Phase autofocus	Phase autofocus
Stabilization	Digital	Digital

Ultra-wide lens
Image resolution	8 MP	-
Aperture	f/2.2	-
Sensor	Sony IMX355	-
Sensor size	1/2.8" (≈ 0.36 inch)	-
Pixel size	1.14 micron	-
Stabilization	Digital	-

Selfie camera

Megapixels	8 megapixels	5 megapixels
Image resolution	3264 x 2448	2560 x 1960
Aperture	f/2.1	f/2.2
Sensor	-	CMOS
Autofocus	No	No
Stabilization	Digital	Digital
Video resolution	1080p (Full HD) at 30 FPS	1080p (Full HD) at 30 FPS
Depth sensor (TOF 3D)	No	No

Connectivity

Wi-Fi standard	Wi-Fi 5 (802.11 a/b/g/n/ac)	Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features	- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display	- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	5.3	5
Bluetooth features	LE	LE, A2DP
USB type	USB Type-C	Micro USB
USB version	2	2
USB features	- Charging - USB-Storage mode	- Charging - USB-Storage mode
GPS	GPS, GLONASS, Beidou, Galileo	GPS, GLONASS, Beidou, Galileo, QZSS
NFC*	Depends on the region	No
Infrared port	Yes	No

Network
Number of SIM*	2	2
Type of SIM card	Nano	Nano
Multi SIM mode	Standby	Standby
eSIM support*	No	No
Hybrid slot	Yes	No
LTE Cat*	7	4
5G support	No	No

Sound

Speakers	Mono	Mono
Headphone audio jack	Yes	Yes
FM radio	Yes	-
Dolby Atmos	No	Yes

Speakers test

Max loudness

Redmi 12

79.4 dB

Galaxy A03 +3%

81.9 dB

Other

Category	Budget	Budget
Announced	June 2023	November 2021
Release date	June 2023	January 2022
Launch price (MSRP)	$159	$140
Successor	- Xiaomi Redmi 15 4G	- Samsung Galaxy A07 4G
Sensors	- Accelerometer - Compass - Fingerprint	- Proximity sensor - Accelerometer - Ambient light sensor
Bundled charger	Not included	Yes, 8 W

Conclusion

After analyzing all the data, we think that the Xiaomi Redmi 12 is definitely a better buy.

Cast your vote

So, which phone would you choose?

Xiaomi Redmi 12

4 (80%)

Samsung Galaxy A03

1 (20%)

Total votes: 5

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Compare other phones (860+)

Xiaomi Redmi 12 vs Samsung Galaxy A03

Key differences

Review

Value for money (Beta)

Tests and specifications

Display

Design and build

Performance

Benchmarks

Recent User Tests

Memory

Software

Battery

Main camera

Selfie camera

Connectivity

Sound

Other

Conclusion

Cast your vote

Related comparisons

User opinions