Samsung Galaxy S10 vs Galaxy A51

61 out of 100

52 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 A51, which is powered by Exynos 9 Octa 9611 and came out 10 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)
2.6x better performance in AnTuTu Benchmark (648K versus 246K)
The rear camera has a 2x optical zoom
36% higher pixel density (551 vs 405 PPI)
Handles Qi/PMA wireless charging up to 9W
Delivers 29% higher peak brightness (822 against 638 nits)
Optical image stabilization
Compatible with Wi-Fi 6 wireless networks
Stereo speakers

Reasons to consider the Samsung Galaxy A51

Shows 28% longer battery life (26:33 vs 20:46 hours)
Has a 0.4 inch larger screen size
Comes with 600 mAh larger battery capacity: 4000 vs 3400 mAh
More recent OS version: Android 13 versus 12
The phone is 10-months newer

Review

Evaluation of Samsung Galaxy S10 and Galaxy A51 crucial features

Display

Screen quality, color accuracy, brightness

Type	Super AMOLED	Super AMOLED
Size	6.1 inches	6.5 inches
Resolution	1440 x 3040 pixels	1080 x 2400 pixels
Aspect ratio	19:9	20:9
PPI	551 ppi	405 ppi
Refresh rate	60 Hz	60 Hz
Adaptive refresh rate	No	No
Max rated brightness	1215 nits	400 nits
HDR support	Yes, HDR10+	No
Screen protection	Corning Gorilla Glass 6	Corning Gorilla Glass 3
Screen-to-body ratio	88.08%	87.4%
Display features	- DCI-P3 - Always-On Display	- Always-On Display

RGB color space	98.1%	98.8%
PWM	240 Hz	242 Hz
Response time	4.8 ms	25 ms
Contrast	∞ Infinity	∞ Infinity

Height	149.9 mm (5.9 inches)	158.5 mm (6.24 inches)
Width	70.4 mm (2.77 inches)	73.6 mm (2.9 inches)
Thickness	7.8 mm (0.31 inches)	7.9 mm (0.31 inches)
Weight	157 g (5.54 oz)	172 g (6.07 oz)
Waterproof	IP68	No
Rear material	Glass	Plastic
Frame material	Metal	Plastic
Colors	White, Black, Blue, Green	White, Black
Fingerprint scanner	Yes, in-display	Yes, in-display

Chipset	Samsung Exynos 9 Octa 9820	Samsung Exynos 9 Octa 9611
Max clock	2730 MHz	2300 MHz
CPU cores	8 (2 + 2 + 4)	8 (4 + 4)
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	- 4 cores at 1.7 GHz: Cortex-A53 - 4 cores at 2.3 GHz: Cortex-A73
Lithography process	8 nanometers	10 nanometers
Graphics	Mali-G76 MP12	Mali-G72 MP3
GPU shading units	432	54
GPU clock	720 MHz	850 MHz
FLOPS	~607 GFLOPS	~91.8 GFLOPS

CPU	148103	69792
GPU	236968	55670
Memory	121310	60677
UX	141476	59872
Total score	648880	246594

Max surface temperature	40.6 °C	42.2 °C
Stability	82%	95%
Graphics test	19 FPS	4 FPS
Graphics score	3230	812

Web score	6523	-
Video editing	5794	-
Photo editing	18751	-
Data manipulation	7126	-
Writing score	10017	-

RAM size	8 GB	4, 6 GB
Memory type	LPDDR4X	LPDDR4X
Memory clock	2133 MHz	1866 MHz
Channels	2	2

Storage size	128 GB	64, 128 GB
Storage type	UFS 2.1	UFS 2.0
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 13)
ROM	One UI 4.0	One UI 5.0
OS size	9.5 GB	23 GB

Capacity	3400 mAh	4000 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 (40% in 35 min)
Full charging time	1:35 hr	1:50 hr

Battery life tests
Web browsing	06:12 hr	09:34 hr
Watching video	10:32 hr	11:29 hr
Gaming	03:23 hr	05:12 hr
Standby	70 hr	83 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	Up to 30FPS
1080p video recording	Up to 240FPS	Up to 30FPS
Slow motion	960 FPS (720p)	960 FPS (720p)
Angle of widest lens	123°	120°
Lenses	3 (12 MP + 12 MP + 16 MP)	4 (48 MP + 12 MP + 5 MP + 5 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", Sony IMX582 (Exmor-RS 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	- 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)
Camera features	- Bokeh mode - Pro mode - RAW support	- Bokeh mode - Pro mode

Selfie camera
Megapixels	10 megapixels	32 megapixels
Image resolution	4320 x 2432	6560 x 4928
Aperture	f/1.9	f/2.2
Focal length	26 mm	26 mm
Pixel size	1.22 microns	0.8 microns
Sensor type	CMOS	ISOCELL CMOS
Sensor size	1/2.65"	1/2.8"
Video resolution	2160p (4K) at 60 FPS	2160p (4K) at 30 FPS

Wi-Fi standard	Wi-Fi 6 (802.11 a/b/g/n/ax)	Wi-Fi 5 (802.11 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	12
5G support	No	No

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

Category	Flagship	Mid-range
Announced	February 2019	December 2019
Release date	March 2019	December 2019
SAR (head)	0.48 W/kg	0.596 W/kg
SAR (body)	1.59 W/kg	1.45 W/kg
Sensors	- Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint

Samsung Galaxy S10 vs Galaxy A51

Samsung Galaxy S10 vs Galaxy A51

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