Samsung Galaxy S21 5G

Released 2021, January 29
169g (Sub6), 171g (mmWave), 7.9mm thickness
Android 11, up to 4 major upgrades
128GB/256GB storage, no card slot
18% 15,672,978 hits
767 Become a fan
6.2"
1080x2400 pixels
64MP
4320p
6/8GB RAM
Exynos 2100
4000mAh
25W15W

Versions: SM-G991B, SM-G991B/DS (International); SM-G991U (USA); SM-G991U1 (USA unlocked); SM-G991W (Canada); SM-G991N (Korea); SM-G9910 (China)

Network	Technology	GSM / CDMA / HSPA / EVDO / LTE / 5G
	2G bands	GSM 850 / 900 / 1800 / 1900
		CDMA 800 / 1900 & TD-SCDMA
	3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
		CDMA2000 1xEV-DO
	4G bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G991U1
		1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G991B
	5G bands	2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1
		1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G991B
	Speed	HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)

Launch	Announced	2021, January 14
Launch	Status	Available. Released 2021, January 29

Body	Dimensions	151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
	Weight	169 g (Sub6), 171 g (mmWave) (5.96 oz)
	Build	Glass front (Gorilla Glass Victus), plastic back, aluminum frame
	SIM	· Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
		IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)

Display	Type	Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
	Size	6.2 inches, 94.1 cm² (~87.2% screen-to-body ratio)
	Resolution	1080 x 2400 pixels, 20:9 ratio (~421 ppi density)
	Protection	Corning Gorilla Glass Victus

Platform	OS	Android 11, up to 4 major Android upgrades, One UI 6.1
	Chipset	Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
	CPU	Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China
	GPU	Mali-G78 MP14 - International Adreno 660 - USA/China

Memory	Card slot	No
	Internal	128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
		UFS 3.1

Main Camera	Triple	12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
	Features	LED flash, auto-HDR, panorama
	Video	8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS

Selfie camera	Single	10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF
	Features	HDR
	Video	4K@30/60fps, 1080p@30fps

Sound	Loudspeaker	Yes, with stereo speakers
	3.5mm jack	No
		High-bitrate audio support

Comms	WLAN	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
	Bluetooth	5.0, A2DP, LE
	Positioning	GPS, GLONASS, BDS, GALILEO
	NFC	Yes
	Radio	FM radio (Snapdragon model only; market/operator dependent)
	USB	USB Type-C 3.2, OTG

Features	Sensors	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
		Samsung DeX, Samsung Wireless DeX (desktop experience support)

Battery	Type	Li-Ion 4000 mAh
	Charging	25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless

Misc	Colors	Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
	Models	SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09
	SAR	0.74 W/kg (head) 1.08 W/kg (body)
	SAR EU	0.46 W/kg (head) 1.51 W/kg (body)
	Price	$ 131.75 / C$ 269.99 / £ 151.99 / € 181.95


Our Tests	Performance	AnTuTu: 584055 (v8) GeekBench: 3238 (v5.1) GFXBench: 60fps (ES 3.1 onscreen)
	Display	856 nits max brightness (measured)
	Camera	Photo / Video
	Loudspeaker	-26.4 LUFS (Good)
	Battery (old)	Endurance rating 93h

Disclaimer. We can not guarantee that the information on this page is 100% correct. Read more

Pricing

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128GB 8GB RAM	$ 131.75	C$ 269.99
256GB 8GB RAM	$ 199.95	C$ 297.00

Samsung Galaxy S21 5G - user opinions and reviews

69420
vFJ
30 Oct 2025

This phone will not get one ui 8 but you can install custom rom

Anonymous
XLj
29 Oct 2025

The design of this phone is timeless. I really hope Samsung brings it back. It was very very unique.

BarisNeoLibreral
Bnr
27 Oct 2025

A true Samsung flagship the legend, the myth. This phone was like releasing iphone 6 design back in 2014. It might look like the display is flat but it is actually slightly rounded, 2.5d edged. So the samsung still got it. Will probably import from ...

Samsung Galaxy S21 5G

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Samsung Galaxy S21 5G - user opinions and reviews

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