Samsung Galaxy M31 vs A33 5G

56 out of 100

63 out of 100

Here we compared two mid-range smartphones: the 6.4-inch Samsung Galaxy M31 (with Exynos 7 Octa 9611) that was released on February 25, 2020, against the Samsung Galaxy A33 5G, which is powered by Exynos 1280 and came out 25 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 M31

Comes with 1000 mAh larger battery capacity: 6000 vs 5000 mAh
Includes a 3.5 mm headphone audio jack port

Reasons to consider the Samsung Galaxy A33 5G

Waterproof body (IP67 classification)
84% better performance in AnTuTu Benchmark (481K versus 262K)
Higher display refresh rate – 90 Hz
Newer Bluetooth version (v5.1)
Optical image stabilization
More energy-efficient CPU – Exynos 1280
Stereo speakers
Delivers 18% higher peak brightness (729 against 616 nits)
More recent OS version: Android 13 versus 12
Slow-motion recording at 480FPS
The phone is 2-years and 1-month newer
Supports higher wattage charging (25W versus 15W)

Review

Evaluation of Samsung Galaxy M31 and A33 5G crucial features

Display

Screen quality, color accuracy, brightness

Type	Super AMOLED	Super AMOLED
Size	6.4 inches	6.4 inches
Resolution	1080 x 2340 pixels	1080 x 2400 pixels
Aspect ratio	19.5:9	20:9
PPI	403 ppi	411 ppi
Refresh rate	60 Hz	90 Hz
Adaptive refresh rate	No	No
Max rated brightness	600 nits	500 nits
Max rated brightness in HDR	-	1000 nits
HDR support	Yes, HDR10	No
Screen protection	Corning Gorilla Glass 3	Corning Gorilla Glass 5
Screen-to-body ratio	84%	83.7%
Display features	- Always-On Display	- DCI-P3

RGB color space	142%	98.3%
PWM	208 Hz	366 Hz
Response time	8.5 ms	1 ms
Contrast	∞ Infinity	∞ Infinity

Height	159.2 mm (6.27 inches)	159.7 mm (6.29 inches)
Width	75.1 mm (2.96 inches)	74 mm (2.91 inches)
Thickness	8.9 mm (0.35 inches)	8.1 mm (0.32 inches)
Weight	191 g (6.74 oz)	186 g (6.56 oz)
Waterproof	No	IP67
Rear material	Plastic	Plastic
Frame material	Plastic	Plastic
Colors	Black, Blue, Red	White, Black, Blue, Yellow
Fingerprint scanner	Yes, rear	Yes, in-display

Chipset	Samsung Exynos 7 Octa 9611	Samsung Exynos 1280
Max clock	2300 MHz	2400 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 2 GHz: Cortex-A55 - 2 cores at 2.4 GHz: Cortex-A78
Lithography process	10 nanometers	5 nanometers
Graphics	Mali-G72 MP3	Mali-G68 MP4
GPU shading units	54	-
GPU clock	850 MHz	1000 MHz
FLOPS	~91.8 GFLOPS	~487 GFLOPS

CPU	66550	143324
GPU	55246	127938
Memory	66684	86144
UX	73431	121019
Total score	262033	481288

Max surface temperature	45.2 °C	39.8 °C
Stability	74%	98%
Graphics test	4 FPS	13 FPS
Graphics score	820	2257

Web score	-	8450
Video editing	-	7101
Photo editing	-	21208
Data manipulation	-	8557
Writing score	-	14268

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

Storage size	128 GB	128, 256 GB
Storage type	UFS 2.1	UFS 2.2
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 5.1
OS size	15 GB	26 GB

Capacity	6000 mAh	5000 mAh
Max charge power	15 W	25 W
Battery type	Li-Ion	Li-Po
Replaceable	No	No
Wireless charging	No	No
Reverse charging	No	No
Fast charging	Yes, Samsung Adaptive Fast Charge (45% in 60 min)	Yes (50% in 30 min)
Full charging time	2:25 hr	1:15 hr

Battery life tests
Web browsing	-	10:17 hr
Watching video	-	15:03 hr
Gaming	-	05:45 hr
Standby	-	105 hr

Main camera
Matrix	64 megapixels	48 megapixels
Image resolution	9248 x 6920	8000 x 6000
Zoom	Digital	Digital
Flash	LED	LED
Stabilization	Digital	Optical
8K video recording	No	No
4K video recording	Up to 30FPS	Up to 30FPS
1080p video recording	Up to 30FPS	Up to 60FPS
Slow motion	240 FPS (720p)	480 FPS (720p)
Angle of widest lens	123°	123°
Lenses	4 (64 MP + 8 MP + 5 MP + 5 MP)	4 (48 MP + 8 MP + 5 MP + 2 MP)
Wide (main) lens	- 64 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/1.72", ISOCELL Bright GW1 (ISOCELL CMOS) - Phase autofocus	- 48 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2.0", Sony IMX582 (Exmor-RS CMOS) - Phase autofocus - Optical stabilization
Ultra-wide lens	- 8 MP - Aperture: f/2.2 - Focal length: 12 mm - Pixel size: 1.12 micron - Sensor: 1/4.0" (CMOS)	- 8 MP - Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.12 micron - Sensor: 1/4.0", Sony IMX355 (Exmor-RS CMOS)
Macro lens	- 5 MP - Aperture: f/2.2	- 5 MP - Aperture: f/2.4
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 - Pro mode
Samples	-	Photo samples of Samsung Galaxy A33 5G from DxOMark

Selfie camera
Megapixels	32 megapixels	13 megapixels
Image resolution	6528 x 4896	4160 x 3120
Aperture	f/2.0	f/2.2
Focal length	26 mm	-
Pixel size	0.8 microns	-
Sensor type	CMOS	CMOS
Sensor size	1/2.8"	-
Video resolution	2160p (4K) at 30 FPS	2160p (4K) 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	5.1
Bluetooth features	PBAP/PAB, PAN, OPP, MAP, 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	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 *	Depends on the region	Depends on the region
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	Yes
LTE Cat *	12	18
5G support	No	Yes

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

Category	Mid-range	Mid-range
Announced	February 2020	March 2022
Release date	March 2020	April 2022
SAR (head)	0.48 W/kg	-
SAR (body)	1.13 W/kg	-
Sensors	- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint	- Hall-effect sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint
Bundled charger	-	Not included

Samsung Galaxy M31 vs A33 5G

Samsung Galaxy M31 vs A33 5G

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