Category Breakdown
Samsung Galaxy M21
Samsung Galaxy M30s
Performance
76.576.6
Camera
64.462.7
Display
76.276.2
Battery
37.737.7
Build
89.185.2
Connectivity
62.262.0
Audio
8.98.9
Overall
57.455.6
Summary
- The Samsung Galaxy M21 and M30s share similar build quality, featuring a glass front and plastic back with identical dimensions and weight.
- Both models have a 6.4-inch Super AMOLED display with a resolution of 1080 x 2340 pixels, but the M21 offers a slightly better selfie camera at 20 MP compared to the M30s' 16 MP.
- Performance-wise, they are equipped with the same Exynos 9611 chipset and RAM options, ensuring comparable speed and efficiency.
- Battery capacity is identical at 6000 mAh with 15W charging for both devices.
- The M21 runs on Android 10, upgradable to Android 11, while the M30s originally comes with Android 9.0, also upgradable to Android 11.
Side-by-side Specification Comparison
Samsung Galaxy M21
Samsung Galaxy M30s
General
Release Date
2020, March 18
2019, September 18
Announced
2020, March 18
2019, September 18
Description
N/A
Versions: SM-M307FN/DS (Global); SM-M307F/DS (India)
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
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
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
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm5 MP, f/2.2, (depth)
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm5 MP, f/2.2, (depth)
Main Camera Features
LED flash, panorama, HDR
LED flash, panorama, HDR
Front Camera
20 MP, f/2.2, 26mm (wide)
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Front Camera Features
HDR
HDR
Video Recording
4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
4K@30fps, 1080p@30fps, gyro-EIS
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
6000 mAh
6000 mAh
Battery Details
Li-Po 6000 mAh
Li-Po 6000 mAh, non-removable
Charging Details
15W wired
15W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in)
159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in)
Weight
188 g
188 g
Materials
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front, plastic back, plastic frame
Colors
Midnight Blue, Raven Black
Opal Black, Sapphire Blue, Pearl White
Foldable
✗
✗
SAR
0.47 W/kg (head)
0.47 W/kg (head)
Connectivity
SIM
Nano-SIMNano-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, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 10, upgradable to Android 11, One UI 3.1 Core
Android 9.0 (Pie), upgradable to Android 11, One UI 3.0
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

