Samsung Galaxy A51 vs Galaxy A03

52 out of 100

49 out of 100

Here we compared two smartphones: the 6.5-inch Samsung Galaxy A51 (with Exynos 9 Octa 9611) that was released on December 12, 2019, against the Samsung Galaxy A03, which is powered by Unisoc T606 and came out 24 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Differences
Review
Specs
Benchmarks
Battery life
Camera
Comments

Key differences

An overview of the main advantages of each smartphone

Reasons to consider the Samsung Galaxy A51

50% higher pixel density (405 vs 270 PPI)
Modern USB Type-C port
Delivers 51% higher peak brightness (638 against 422 nits)
Slow-motion recording at 960FPS
Fingerprint scanner
Ability to record video in 4K resolution
19% better performance in AnTuTu Benchmark (246K versus 206K)
Has an ultra-wide angle camera lens
Super AMOLED display (versus competitor''s PLS TFT)
Thinner bezels – 5.6% more screen real estate
The front-facing camera can record video at 4K

Reasons to consider the Samsung Galaxy A03

Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
The phone is 2-years newer

Review

Evaluation of Samsung Galaxy A51 and Galaxy A03 crucial features

Display

Screen quality, color accuracy, brightness

Type	Super AMOLED	PLS TFT
Size	6.5 inches	6.5 inches
Resolution	1080 x 2400 pixels	720 x 1600 pixels
Aspect ratio	20:9	20:9
PPI	405 ppi	270 ppi
Refresh rate	60 Hz	60 Hz
Adaptive refresh rate	No	No
Max rated brightness	400 nits	400 nits
HDR support	No	No
Screen protection	Corning Gorilla Glass 3	Tempered glass
Screen-to-body ratio	87.4%	81.8%
Display features	- Always-On Display	-

RGB color space	98.8%	96%
PWM	242 Hz	Not detected
Response time	25 ms	45 ms
Contrast	∞ Infinity	1641:1

Height	158.5 mm (6.24 inches)	164.2 mm (6.46 inches)
Width	73.6 mm (2.9 inches)	75.9 mm (2.99 inches)
Thickness	7.9 mm (0.31 inches)	9.1 mm (0.36 inches)
Weight	172 g (6.07 oz)	196 g (6.91 oz)
Waterproof	No	No
Rear material	Plastic	Plastic
Frame material	Plastic	Plastic
Colors	White, Black	Black, Blue, Red
Fingerprint scanner	Yes, in-display	No

Chipset	Samsung Exynos 9 Octa 9611	Unisoc T606
Max clock	2300 MHz	1600 MHz
CPU cores	8 (4 + 4)	8 (2 + 6)
Architecture	- 4 cores at 1.7 GHz: Cortex-A53 - 4 cores at 2.3 GHz: Cortex-A73	- 6 cores at 1.6 GHz: Cortex-A55 - 2 cores at 1.6 GHz: Cortex-A75
L3 cache	-	1 MB
Lithography process	10 nanometers	12 nanometers
Graphics	Mali-G72 MP3	Mali-G57 MP1
GPU shading units	54	64
GPU clock	850 MHz	650 MHz
FLOPS	~91.8 GFLOPS	~83.2 GFLOPS

CPU	69792	75655
GPU	55670	25987
Memory	60677	49741
UX	59872	54622
Total score	246594	206902

Max surface temperature	42.2 °C	43.2 °C
Stability	95%	97%
Graphics test	4 FPS	2 FPS
Graphics score	812	407

Web score	-	5985
Video editing	-	3936
Photo editing	-	13761
Data manipulation	-	5461
Writing score	-	8396

RAM size	4, 6 GB	3, 4 GB
Memory type	LPDDR4X	LPDDR4X
Memory clock	1866 MHz	-
Channels	2	2

Storage size	64, 128 GB	32, 64, 128 GB
Storage type	UFS 2.0	eMMC 5.1
Memory card	MicroSD	MicroSD
Memory card max size	Up to 512 GB	Up to 1024 GB

Operating system	Android 10 (Can be upgraded to Android 13)	Android 11 (Can be upgraded to Android 13)
ROM	One UI 5.0	One UI Core 5.0
OS size	23 GB	13.5 GB

Capacity	4000 mAh	5000 mAh
Max charge power	15 W	15 W
Battery type	Li-Po	Li-Ion
Replaceable	No	No
Wireless charging	No	No
Reverse charging	No	No
Fast charging	Yes (40% in 35 min)	Yes (20% in 40 min)
Full charging time	1:50 hr	3:35 hr

Battery life tests
Web browsing	09:34 hr	-
Watching video	11:29 hr	-
Gaming	05:12 hr	-
Standby	83 hr	-

Main camera
Matrix	48 megapixels	48 megapixels
Image resolution	8000 x 6000	8000 x 6000
Zoom	Digital	Digital
Flash	LED	LED
Stabilization	Digital	Digital
8K video recording	No	No
4K video recording	Up to 30FPS	No
1080p video recording	Up to 30FPS	Up to 30FPS
Slow motion	960 FPS (720p)	No
Angle of widest lens	120°	-
Lenses	4 (48 MP + 12 MP + 5 MP + 5 MP)	2 (48 MP + 2 MP)
Wide (main) lens	- 48 MP - Aperture: f/2.0 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2", Sony IMX582 (Exmor-RS CMOS) - Phase autofocus	- 48 MP - Aperture: f/1.8 - Phase autofocus
Ultra-wide lens	- 12 MP - Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.12 micron	-
Macro lens	- 5 MP - Aperture: f/2.4 - Focal length: 40 mm - Pixel size: 1.12 micron	-
Depth lens	- 5 MP - Aperture: f/2.2 - Pixel size: 1.12 micron - Sensor: 1/5.0" (CMOS)	- 2 MP - Aperture: f/2.4
Camera features	- Bokeh mode - Pro mode	- Bokeh mode

Selfie camera
Megapixels	32 megapixels	5 megapixels
Image resolution	6560 x 4928	2560 x 1960
Aperture	f/2.2	f/2.2
Focal length	26 mm	-
Pixel size	0.8 microns	-
Sensor type	ISOCELL CMOS	CMOS
Sensor size	1/2.8"	-
Video resolution	2160p (4K) at 30 FPS	1080p (Full HD) at 30 FPS

Wi-Fi standard	Wi-Fi 5 (802.11 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	5
Bluetooth features	PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP	LE, A2DP
USB type	USB Type-C	Micro USB
USB version	2	2
USB features	- Charging - USB-Storage mode - OTG	- Charging - USB-Storage mode
GPS	GPS, GLONASS, Beidou, Galileo	GPS, GLONASS, Beidou, Galileo, QZSS
NFC *	Yes	No
Infrared port	No	No

Number of SIM *	2	2
Type of SIM card	Nano	Nano
Multi SIM mode	Standby	Standby
eSIM support *	No	No
Hybrid slot	No	No
LTE Cat *	12	4
5G support	No	No

Speakers	Mono	Mono
Headphone audio jack	Yes	Yes
FM radio	Yes	-
Dolby Atmos	Yes	Yes

Category	Mid-range	Budget
Announced	December 2019	November 2021
Release date	December 2019	January 2022
SAR (head)	0.596 W/kg	-
SAR (body)	1.45 W/kg	-
Sensors	- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Proximity sensor - Accelerometer - Ambient light sensor
Bundled charger	-	Yes, 0 W

Samsung Galaxy A51 vs Galaxy A03

Samsung Galaxy A51 vs Galaxy A03

Key differences

Review

Value for money

Tests and specifications

Display

Design and build

Performance

Benchmarks

Memory

Software

Battery

Camera

Connectivity

Sound

Other

Conclusion