Samsung Galaxy S10 vs Galaxy A21s

61 out of 100

49 out of 100

Here we compared two smartphones: the 6.1-inch Samsung Galaxy S10 (with Exynos 9 Octa 9820) that was released on February 20, 2019, against the Samsung Galaxy A21s, which is powered by Exynos 850 and came out 15 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 S10

Waterproof body (IP68 classification)
3.3x better performance in AnTuTu Benchmark (648K versus 197K)
104% higher pixel density (551 vs 270 PPI)
The rear camera has a 2x optical zoom
Delivers 66% higher peak brightness (822 against 495 nits)
Handles Qi/PMA wireless charging up to 9W
Optical image stabilization
Slow-motion recording at 960FPS
Ability to record video in 4K resolution
Compatible with Wi-Fi 6 wireless networks
Stereo speakers
Super AMOLED display (versus competitor''s PLS TFT)
Thinner bezels – 5.28% more screen real estate

Reasons to consider the Samsung Galaxy A21s

Shows 70% longer battery life (35:20 vs 20:46 hours)
Comes with 1600 mAh larger battery capacity: 5000 vs 3400 mAh
Has a 0.4 inch larger screen size
The phone is 1-year and 3-months newer

Review

Evaluation of Samsung Galaxy S10 and Galaxy A21s crucial features

Display

Screen quality, color accuracy, brightness

Type	Super AMOLED	PLS TFT
Size	6.1 inches	6.5 inches
Resolution	1440 x 3040 pixels	720 x 1600 pixels
Aspect ratio	19:9	20:9
PPI	551 ppi	270 ppi
Refresh rate	60 Hz	60 Hz
Adaptive refresh rate	No	No
Max rated brightness	1215 nits	540 nits
HDR support	Yes, HDR10+	No
Screen protection	Corning Gorilla Glass 6	Tempered glass
Screen-to-body ratio	88.08%	82.8%
Display features	- DCI-P3 - Always-On Display	-

RGB color space	98.1%	88.4%
PWM	240 Hz	500 Hz
Response time	4.8 ms	30.4 ms
Contrast	∞ Infinity	1500:1

Height	149.9 mm (5.9 inches)	163.6 mm (6.44 inches)
Width	70.4 mm (2.77 inches)	75.3 mm (2.96 inches)
Thickness	7.8 mm (0.31 inches)	8.9 mm (0.35 inches)
Weight	157 g (5.54 oz)	192 g (6.77 oz)
Waterproof	IP68	No
Rear material	Glass	Plastic
Frame material	Metal	Plastic
Colors	White, Black, Blue, Green	Black, Blue, Red
Fingerprint scanner	Yes, in-display	Yes, rear

Chipset	Samsung Exynos 9 Octa 9820	Samsung Exynos 850
Max clock	2730 MHz	2000 MHz
CPU cores	8 (2 + 2 + 4)	8 (8)
Architecture	- 4 cores at 1.95 GHz: Cortex-A55 - 2 cores at 2.31 GHz: Cortex-A75 - 2 cores at 2.73 GHz: Mongoose M4	- 8 cores at 2 GHz: Cortex-A55
Lithography process	8 nanometers	8 nanometers
Graphics	Mali-G76 MP12	Mali-G52 MP1
GPU shading units	432	24
GPU clock	720 MHz	820 MHz
FLOPS	~607 GFLOPS	~39.4 GFLOPS

CPU	148103	66646
GPU	236968	32355
Memory	121310	60940
UX	141476	36331
Total score	648880	197221

Max surface temperature	40.6 °C	43.2 °C
Stability	82%	98%
Graphics test	19 FPS	2 FPS
Graphics score	3230	425

Web score	6523	4688
Video editing	5794	5134
Photo editing	18751	9205
Data manipulation	7126	3986
Writing score	10017	5248

RAM size	8 GB	3, 4 GB
Memory type	LPDDR4X	LPDDR4X
Memory clock	2133 MHz	1866 MHz
Channels	2	2

Storage size	128 GB	32, 64 GB
Storage type	UFS 2.1	eMMC 5.1
Memory card	MicroSD	MicroSD
Memory card max size	Up to 512 GB	Up to 512 GB

Operating system	Android 9.0 (Can be upgraded to Android 12)	Android 10 (Can be upgraded to Android 12)
ROM	One UI 4.0	One UI 4.1
OS size	9.5 GB	12 GB

Capacity	3400 mAh	5000 mAh
Max charge power	15 W	15 W
Battery type	Li-Po	Li-Po
Replaceable	No	No
Wireless charging	Yes, Qi/PMA (9 W)	No
Reverse charging	Yes, (wireless)	No
Fast charging	Yes, Samsung Adaptive Fast Charge (50% in 30 min)	Yes (50% in 60 min)
Full charging time	1:35 hr	2:10 hr

Battery life tests
Web browsing	06:12 hr	12:44 hr
Watching video	10:32 hr	14:21 hr
Gaming	03:23 hr	05:37 hr
Standby	70 hr	120 hr

Main camera
Matrix	12 megapixels	48 megapixels
Image resolution	4000 x 3000	8000 x 6000
Zoom	Optical, 2x	Digital
Flash	Dual LED	LED
Stabilization	Optical	Digital
8K video recording	No	No
4K video recording	Up to 60FPS	No
1080p video recording	Up to 240FPS	Up to 30FPS
Slow motion	960 FPS (720p)	No
Angle of widest lens	123°	123°
Lenses	3 (12 MP + 12 MP + 16 MP)	4 (48 MP + 8 MP + 2 MP + 2 MP)
Wide (main) lens	- 12 MP - Aperture: f/1.5 - 2.4 - Focal length: 26 mm - Pixel size: 1.4 micron - Sensor: 1/2.55", Samsung SAK2L4 (ISOCELL CMOS) - Phase autofocus (Dual Pixel) - Optical stabilization	- 48 MP - Aperture: f/2.0 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2.0" (CMOS) - Phase autofocus
Telephoto lens	- 12 MP - Aperture: f/1.5 - Focal length: 52 mm - Pixel size: 1 micron - Sensor: 1/3.6", Samsung S5K3M3 (ISOCELL CMOS) - Phase autofocus - Optical stabilization	-
Ultra-wide lens	- 16 MP - Aperture: f/2.2 - Focal length: 12 mm	- 8 MP - Aperture: f/2.2 - Pixel size: 1.12 micron - Sensor: 1/4.0" (CMOS)
Macro lens	-	- 2 MP - Aperture: f/2.4
Depth lens	-	- 2 MP - Aperture: f/2.4
Camera features	- Bokeh mode - Pro mode - RAW support	- Bokeh mode

Selfie camera
Megapixels	10 megapixels	13 megapixels
Image resolution	4320 x 2432	4128 x 3096
Aperture	f/1.9	f/2.2
Focal length	26 mm	-
Pixel size	1.22 microns	1.12 microns
Sensor type	CMOS	CMOS
Sensor size	1/2.65"	1/3.1"
Video resolution	2160p (4K) at 60 FPS	1080p (Full HD) at 30 FPS

Wi-Fi standard	Wi-Fi 6 (802.11 a/b/g/n/ax)	Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features	- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot	- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	5	5
Bluetooth features	PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP	PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type	USB Type-C	USB Type-C
USB version	3.1	2
USB features	- Charging - USB-Storage mode - OTG	- Charging - USB-Storage mode - OTG
GPS	GPS, GLONASS, Beidou, Galileo	GPS, GLONASS, Beidou, Galileo
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	Yes	No
LTE Cat *	20	13
5G support	No	No

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

Category	Flagship	Budget
Announced	February 2019	May 2020
Release date	March 2019	June 2020
SAR (head)	0.48 W/kg	0.23 W/kg
SAR (body)	1.59 W/kg	1.38 W/kg
Sensors	- Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Hall-effect sensor - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint

Samsung Galaxy S10 vs Galaxy A21s

Samsung Galaxy S10 vs Galaxy A21s

Key differences

Review

Value for money

Tests and specifications

Display

Design and build

Performance

Benchmarks

Memory

Software

Battery

Camera

DxOMark camera tests

Connectivity

Sound

Other

Conclusion