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Samsung Galaxy M21

Samsung Galaxy M30s

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network	1, 3, 5, 7, 8, 20, 38, 40, 41	1, 3, 5, 7, 8, 20, 38, 40, 41
Speed	HSPA, LTE	HSPA, LTE

Launch
Announced	2020, March 18	2019, September 18
Status	Available. Released 2020, March 23	Available. Released 2019, October 30

Body
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 (6.63 oz)	188 g (6.63 oz)
Build	Glass front (Gorilla Glass 3), plastic back, plastic frame	Glass front, plastic back, plastic frame
SIM	Nano-SIM Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM

Display
Type	Super AMOLED, 420 nits (peak)	Super AMOLED, 420 nits (peak)
Size	6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)	6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
Resolution	1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)	1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection	Corning Gorilla Glass 3

Platform
OS	Android 10, upgradable to Android 11, One UI 3.1 Core	Android 9.0 (Pie), upgradable to Android 11, One UI 3.0
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
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	64GB 4GB RAM, 128GB 6GB RAM	64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
	UFS 2.1	UFS 2.1

Main Camera
Modules	48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth)	48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth)
Features	LED flash, panorama, HDR	LED flash, panorama, HDR
Video	4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS	4K@30fps, 1080p@30fps, gyro-EIS

Selfie Camera
Modules	20 MP, f/2.2, 26mm (wide)	16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Features	HDR	HDR
Video	1080p@30fps	1080p@30fps

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes

Comms
WLAN	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
Positioning	GPS, GLONASS, GALILEO, BDS	GPS, GLONASS, BDS
NFC	Yes (market/region dependent)	Yes (market/region dependent)
Infrared port	No	No
Radio	FM radio, RDS, recording	FM radio, RDS, recording
USB	USB Type-C 2.0	USB Type-C 2.0

Features
Sensors	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass	Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Battery
Type	Li-Po 6000 mAh	Li-Po 6000 mAh, non-removable
Charging	15W wired	15W wired

Misc
Colors	Midnight Blue, Raven Black	Opal Black, Sapphire Blue, Pearl White
SAR	0.47 W/kg (head)	0.47 W/kg (head)
SAR EU		0.49 W/kg (head)     1.13 W/kg (body)
Models	SM-M215F, SM-M215F/DS, SM-M215F/DSN	SM-M307F, SM-M307FN, SM-M307F/DS, SM-M307FN/DS, SM-M3070
Price	About 190 EUR	About 260 EUR

Tests
Performance		AnTuTu: 152075 (v7), 180321 (v8) GeekBench: 5566 (v4.4), 1288 (v5.1) GFXBench: 8.7fps (ES 3.1 onscreen)
Display		642 nits max brightness (measured)
Audio quality		Noise -93.7dB / Crosstalk -93.2dB
Battery (old)		Endurance rating 130h