Category Breakdown
Samsung Galaxy M21 2021
Samsung Galaxy M30s
Performance
76.576.6
Camera
64.462.7
Display
76.276.2
Battery
37.737.7
Build
85.285.2
Connectivity
62.862.0
Audio
8.98.9
Overall
58.455.6
Summary
- The Samsung Galaxy M21 2021 and Galaxy M30s share similar build quality with glass fronts and plastic backs, but the M21 is slightly thicker and heavier at 192g compared to the M30s' 188g.
- Both feature a 6.4-inch Super AMOLED display with the same resolution and peak brightness.
- In terms of performance, they are equipped with the same Exynos 9611 chipset and offer similar RAM and storage configurations, though the M30s has a variant with 4GB RAM.
- Camera specifications are nearly identical, with both having a 48 MP main sensor, but the M21 has a higher resolution selfie camera at 20 MP compared to the M30s' 16 MP.
- Both devices have a 6000 mAh battery and support 15W charging, while the M21 runs Android 11 out of the box, whereas the M30s originally launched with Android 9 but is upgradable to Android 11.
Side-by-side Specification Comparison
Samsung Galaxy M21 2021
Samsung Galaxy M30s
General
Release Date
2021, July 21
2019, September 18
Announced
2021, July 21
2019, September 18
Description
Also known as Samsung Galaxy M21 2021 Edition
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
N/A
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, 123˚ (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 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
192 g
188 g
Materials
Glass front, plastic back, plastic frame
Glass front, plastic back, plastic frame
Colors
Charcoal Black, Arctic Blue
Opal Black, Sapphire Blue, Pearl White
Foldable
✗
✗
SAR
0.47 W/kg (head)
0.47 W/kg (head)
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, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
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

