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Samsung Galaxy M51

Samsung Galaxy M30s

Network
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66	1, 3, 5, 7, 8, 20, 38, 40, 41
Speed	HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps	HSPA, LTE

Launch
Announced	2020, August 31	2019, September 18
Status	Available. Released 2020, September 11	Available. Released 2019, October 30

Body
Dimensions	163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in)	159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in)
Weight	213 g (7.51 oz)	188 g (6.63 oz)
Build	Glass front (Gorilla Glass 3+), plastic back, plastic frame	Glass front, plastic back, plastic frame
SIM	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)

Display
Type	Super AMOLED Plus	Super AMOLED, 420 nits (peak)
Size	6.7 inches, 108.4 cm2 (~86.7% screen-to-body ratio)	6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
Resolution	1080 x 2400 pixels, 20:9 ratio (~393 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 12, One UI 4.1	Android 9.0 (Pie), upgradable to Android 11, One UI 3.0
Chipset	Qualcomm SDM730 Snapdragon 730G (8 nm)	Exynos 9611 (10nm)
CPU	Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU	Adreno 618	Mali-G72 MP3

Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	128GB 6GB RAM, 128GB 8GB RAM	64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
		UFS 2.1

Main Camera
Modules	64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.4, (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	4K@30fps, 1080p@30fps, gyro-EIS

Selfie Camera
Modules	32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm	16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Features	HDR	HDR
Video	4K@30fps, 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	Yes (market/region dependent)
Infrared port	No	No
Radio	FM radio, RDS	FM radio, RDS, recording
USB	USB Type-C 2.0, OTG	USB Type-C 2.0

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

Battery
Type	Li-Po 7000 mAh, non-removable	Li-Po 6000 mAh, non-removable
Charging	25W wired, 100% in 115 min (advertised) Reverse wired	15W wired

Misc
Colors	Celestial Black, Electric Blue, White	Opal Black, Sapphire Blue, Pearl White
SAR	1.38 W/kg (head)	0.47 W/kg (head)
SAR EU	0.61 W/kg (head)     1.45 W/kg (body)	0.49 W/kg (head)     1.13 W/kg (body)
Models	SM-M515F, SM-M515F/DSN	SM-M307F, SM-M307FN, SM-M307F/DS, SM-M307FN/DS, SM-M3070
Price	About 470 EUR	About 260 EUR

Tests
Performance	AnTuTu: 266620 (v8) GeekBench: 1774 (v5.1) GFXBench: 15fps (ES 3.1 onscreen)	AnTuTu: 152075 (v7), 180321 (v8) GeekBench: 5566 (v4.4), 1288 (v5.1) GFXBench: 8.7fps (ES 3.1 onscreen)
Display	Contrast ratio: Infinite (nominal)	Contrast ratio: Infinite (nominal)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	-28.5 LUFS (Average)
Audio quality		Noise -93.7dB / Crosstalk -93.2dB
Battery (old)	Endurance rating 156h	Endurance rating 130h