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	Compare with Samsung Galaxy S21 5G	Compare with Asus Zenfone 8
Full Differences Change compare mode	Review Specs 128GB 8GB RAM $ 189.84	Review Specs 256GB 12GB RAM $ 909.00

Samsung Galaxy S21 5G

Asus Zenfone 8

Network
Technology	GSM / CDMA / HSPA / EVDO / LTE / 5G	GSM / HSPA / LTE / 5G
2G bands	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
	CDMA 800 / 1900 & TD-SCDMA
3G Network	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
	CDMA2000 1xEV-DO
4G Network	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, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - International
	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G991B	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 34, 38, 39, 40, 41, 42, 66, 71 - USA
5G Network	2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1	1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 SA/NSA - International
	1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G991B	1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78 SA/NSA - USA
Speed	HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)	HSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/150 Mbps, 5G

Launch
Announced	2021, January 14	2021, May 12
Status	Available. Released 2021, January 29	Available. Released 2021, May 13

Body
Dimensions	151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)	148 x 68.5 x 8.9 mm (5.83 x 2.70 x 0.35 in)
Weight	169 g (Sub6), 171 g (mmWave) (5.96 oz)	169 g (5.96 oz)
Build	Glass front (Gorilla Glass Victus), plastic back, aluminum frame	Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame
SIM	Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
	IP68 dust/water resistant (up to 1.5m for 30 min)	IP68 dust/water resistant (up to 1.5m for 30 min)

Display
Type	Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)	Super AMOLED, 120Hz, HDR10+, 700 nits (HBM), 1100 nits (peak)
Size	6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio)	5.9 inches, 84.0 cm2 (~82.9% screen-to-body ratio)
Resolution	1080 x 2400 pixels, 20:9 ratio (~421 ppi density)	1080 x 2400 pixels, 20:9 ratio (~446 ppi density)
Protection	Corning Gorilla Glass Victus	Corning Gorilla Glass Victus
	Always-on display	Always-on display

Platform
OS	Android 11, upgradable to Android 14, One UI 6.1	Android 11, upgradable to Android 13
Chipset	Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China	Qualcomm SM8350 Snapdragon 888 5G (5 nm)
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	Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU	Mali-G78 MP14 - International Adreno 660 - USA/China	Adreno 660

Memory
Card slot	No	No
Internal	128GB 8GB RAM, 256GB 8GB RAM	128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM
	UFS 3.1	UFS 3.1

Main Camera
Modules	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	64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF, OIS 12 MP, f/2.2, 112˚, 14mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
Features	LED flash, auto-HDR, panorama	LED flash, HDR, panorama
Video	8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS	8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR

Selfie Camera
Modules	10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF	12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF
Features	Dual video call, Auto-HDR
Video	4K@30/60fps, 1080p@30fps	4K@30fps, 1080p@30/60fps

Sound
Loudspeaker	Yes, with stereo speakers	Yes, with stereo speakers
3.5mm jack	No	Yes
	32-bit/384kHz audio Tuned by AKG	32-bit/384kHz Hi-Res audio

Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth	5.0, A2DP, LE	5.2, A2DP, LE, aptX HD, aptX Adaptive
Positioning	GPS, GLONASS, BDS, GALILEO	GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC	Yes	Yes
Infrared port	No	No
Radio	FM radio (Snapdragon model only; market/operator dependent)	FM radio (market/region dependent)
USB	USB Type-C 3.2, OTG	USB Type-C 2.0, OTG

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

Battery
Type	Li-Ion 4000 mAh, non-removable	Li-Po 4000 mAh, non-removable
Charging	25W wired, PD3.0 15W wireless (Qi/PMA) 4.5W reverse wireless	30W wired, PD3.0, 60% in 25 min, 100% in 80 min (advertised) Reverse wired

Misc
Colors	Phantom Gray, Phantom White, Phantom Violet, Phantom Pink	Obsidian Black, Horizon Silver
SAR	0.74 W/kg (head)     1.08 W/kg (body)
SAR EU	0.46 W/kg (head)     1.51 W/kg (body)
Models	SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09	ZS590KS, ZS590KS-2A007EU, I006D
Price	$ 189.84 / C$ 326.49 / £ 188.00 / € 262.91	$ 909.00 / C$ 899.00 / £ 414.32 / € 408.64

Tests
Performance	AnTuTu: 584055 (v8) GeekBench: 3238 (v5.1) GFXBench: 60fps (ES 3.1 onscreen)	AnTuTu: 676001 (v8) | 799738 (v9) GeekBench: 3604 (v5.1) GFXBench: 61fps (ES 3.1 onscreen)
Display	Contrast ratio: Infinite (nominal)	Contrast ratio: Infinite (nominal)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	-26.4 LUFS (Good)	-27.9 LUFS (Good)
Battery (old)	Endurance rating 93h	Endurance rating 88h