Samsung Galaxy A21s vs Galaxy A04s

49 out of 100

53 out of 100

Here we compared two budget smartphones: the 6.5-inch Samsung Galaxy A21s (with Exynos 850) that was released on May 15, 2020, against the Samsung Galaxy A04s, which is powered by the same chip and came out 28 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 A21s

Delivers 27% higher peak brightness (495 against 391 nits)
21% better performance in AnTuTu Benchmark (197K versus 162K)
Has an ultra-wide angle camera lens

Reasons to consider the Samsung Galaxy A04s

Higher display refresh rate – 90 Hz
The phone is 2-years and 4-months newer
More recent OS version: Android 13 versus 12

Review

Evaluation of Samsung Galaxy A21s and Galaxy A04s crucial features

Display

Screen quality, color accuracy, brightness

Type	PLS TFT	PLS TFT
Size	6.5 inches	6.5 inches
Resolution	720 x 1600 pixels	720 x 1600 pixels
Aspect ratio	20:9	20:9
PPI	270 ppi	270 ppi
Refresh rate	60 Hz	90 Hz
Adaptive refresh rate	No	No
Max rated brightness	540 nits	400 nits
HDR support	No	No
Screen protection	Tempered glass	Tempered glass
Screen-to-body ratio	82.8%	80.7%

RGB color space	88.4%	95.1%
PWM	500 Hz	Not detected
Response time	30.4 ms	20 ms
Contrast	1500:1	1291:1

Height	163.6 mm (6.44 inches)	164.7 mm (6.48 inches)
Width	75.3 mm (2.96 inches)	76.7 mm (3.02 inches)
Thickness	8.9 mm (0.35 inches)	9.1 mm (0.36 inches)
Weight	192 g (6.77 oz)	195 g (6.88 oz)
Waterproof	No	No
Rear material	Plastic	Plastic
Frame material	Plastic	Plastic
Colors	Black, Blue, Red	White, Black, Green, Orange
Fingerprint scanner	Yes, rear	Yes, in-button

Chipset	Samsung Exynos 850	Samsung Exynos 850
Max clock	2000 MHz	2000 MHz
CPU cores	8 (8)	8 (8)
Architecture	- 8 cores at 2 GHz: Cortex-A55	- 8 cores at 2 GHz: Cortex-A55
Lithography process	8 nanometers	8 nanometers
Graphics	Mali-G52 MP1	Mali-G52 MP1
GPU shading units	24	24
GPU clock	820 MHz	820 MHz
FLOPS	~39.4 GFLOPS	~39.4 GFLOPS

CPU	66646	60921
GPU	32355	16172
Memory	60940	44078
UX	36331	41259
Total score	197221	162743

Max surface temperature	43.2 °C	41.9 °C
Stability	98%	97%
Graphics test	2 FPS	3 FPS
Graphics score	425	508

Web score	4688	5370
Video editing	5134	5828
Photo editing	9205	8393
Data manipulation	3986	4091
Writing score	5248	5665

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

Storage size	32, 64 GB	32, 64, 128 GB
Storage type	eMMC 5.1	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 12)	Android 12 (Can be upgraded to Android 13)
ROM	One UI 4.1	One UI Core 5.1
OS size	12 GB	12 GB

Capacity	5000 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 (50% in 60 min)	Yes (28% in 30 min)
Full charging time	2:10 hr	2:14 hr

Battery life tests
Web browsing	12:44 hr	12:16 hr
Watching video	14:21 hr	13:10 hr
Gaming	05:37 hr	06:12 hr
Standby	120 hr	120 hr

Main camera
Matrix	48 megapixels	50 megapixels
Image resolution	8000 x 6000	8192 x 6144
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	No	No
Angle of widest lens	123°	-
Lenses	4 (48 MP + 8 MP + 2 MP + 2 MP)	3 (50 MP + 2 MP + 2 MP)
Wide (main) lens	- 48 MP - Aperture: f/2.0 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2.0" (CMOS) - Phase autofocus	- 50 MP - Aperture: f/1.8 - Phase autofocus
Ultra-wide lens	- 8 MP - Aperture: f/2.2 - Pixel size: 1.12 micron - Sensor: 1/4.0" (CMOS)	-
Macro lens	- 2 MP - Aperture: f/2.4	- 2 MP - Aperture: f/2.4
Depth lens	- 2 MP - Aperture: f/2.4	- 2 MP - Aperture: f/2.4
Camera features	- Bokeh mode	- Bokeh mode

Selfie camera
Megapixels	13 megapixels	5 megapixels
Image resolution	4128 x 3096	2560 x 1960
Aperture	f/2.2	f/2.2
Pixel size	1.12 microns	-
Sensor type	CMOS	CMOS
Sensor size	1/3.1"	-
Video resolution	1080p (Full HD) at 30 FPS	1080p (Full HD) at 30 FPS

Wi-Fi standard	Wi-Fi 5 (802.11 a/b/g/n/ac)	Wi-Fi 5 (802.11 a/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	USB Type-C
USB version	2	2
USB features	- Charging - USB-Storage mode - OTG	- Charging - USB-Storage mode - OTG
GPS	GPS, GLONASS, Beidou, Galileo	GPS, GLONASS, Beidou, Galileo, QZSS
NFC *	Yes	Yes
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 *	13	4
5G support	No	No

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

Category	Budget	Budget
Announced	May 2020	August 2022
Release date	June 2020	September 2022
SAR (head)	0.23 W/kg	0.52 W/kg
SAR (body)	1.38 W/kg	1.23 W/kg
Sensors	- Hall-effect sensor - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Accelerometer - Ambient light sensor - Fingerprint
Bundled charger	-	Not included

Samsung Galaxy A21s vs Galaxy A04s

Samsung Galaxy A21s vs Galaxy A04s

Key differences

Review

Value for money

Tests and specifications

Display

Design and build

Performance

Benchmarks

Memory

Software

Battery

Camera

Connectivity

Sound

Other

Conclusion