Samsung Galaxy M21 2021
#1534
Samsung Galaxy M31 Prime
#1326Category Breakdown
Samsung Galaxy M21 2021
Samsung Galaxy M31 Prime
Performance
62.564.8
Camera
47.948.7
Display
79.579.5
Battery
63.563.5
Build
77.877.8
Overall
63.964.8
Summary
- The Samsung Galaxy M21 2021 and Galaxy M31 Prime both feature a 6.4-inch Super AMOLED display with a resolution of 1080 x 2340 pixels, offering similar visual quality.
- In terms of performance, both models utilize the Exynos 9611 chipset, but the M31 Prime has a higher RAM option at 128GB compared to the M21's 64GB.
- The camera setup on the M31 Prime is superior, with a 64 MP main sensor versus the M21's 48 MP, and a higher resolution selfie camera at 32 MP compared to 20 MP.
- Both devices have a 6000 mAh battery and support 15W charging, ensuring long usage times.
- The M21 2021 runs on Android 11 with One UI 3.1 Core, while the M31 Prime operates on Android 10 with One UI 2.0, indicating a more updated software experience for the M21.
- Build quality is comparable, with both featuring a glass front and plastic back, though the M31 Prime uses Gorilla Glass 3 for added durability.
Side-by-side Specification Comparison
Samsung Galaxy M21 2021
Samsung Galaxy M31 Prime
General
Release Date
2021, July 21
2020, October 14
Announced
2021, July 21
2020, October 14
Description
Also known as Samsung Galaxy M21 2021 Edition
N/A
Display
Size
6.4"
6.4"
Type
Super AMOLED, 420 nits (peak)
Super AMOLED, 420 nits (peak)
Resolution
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 3
Performance
Chipset
Exynos 9611 (10 nm)
Exynos 9611 (10 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU
Mali-G72 MP3
Mali-G72 MP3
Memory
64GB 4GB RAM, 128GB 6GB RAM
128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
48 MP
64 MP
Main Camera Details
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm5 MP, f/2.2, (depth)
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm5 MP, f/2.4, (macro)5 MP, f/2.2, (depth)
Front Camera
20 MP
32 MP
Front Camera Details
20 MP, f/2.2, 26mm (wide)
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video Recording
4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
4K@30fps, 1080p@30fps, gyro-EIS
Selfie Video
1080p@30fps
4K@30fps, 1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
6000 mAh
6000 mAh
Battery Details
Li-Po 6000 mAh
Li-Po 6000 mAh
Charging Details
15W wired
15W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
159 x 75.1 x 9 mm (6.26 x 2.96 x 0.35 in)
159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
Weight
192 g
191 g
Materials
Glass front, plastic back, plastic frame
Glass front (Gorilla Glass 3), plastic back, plastic frame
Water Resistance
N/A
N/A
Colors
Charcoal Black, Arctic Blue
Ocean Blue, Space Black, Iceberg Blue
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✓
✗
USB
USB Type-C 2.0
USB Type-C 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, GALILEO, BDS
Software
Operating System
Android 11, One UI 3.1 Core
Android 10, One UI 2.0
OS Version
Android 11, One UI 3.1 Core
Android 10, One UI 2.0
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes