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Specifications

	Compare with Asus Zenfone 8	Compare with Samsung Galaxy S21 5G
Full Differences Change compare mode	Review Specs 128GB 8GB RAM C$ 1,485.00	Review Specs 128GB 8GB RAM $ 193.65

Asus Zenfone 8

Samsung Galaxy S21 5G

Our video review on Youtube

Our video review on Youtube

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

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

Body
Dimensions	148 x 68.5 x 8.9 mm (5.83 x 2.70 x 0.35 in)	151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
Weight	169 g (5.96 oz)	169 g (Sub6), 171 g (mmWave) (5.96 oz)
Build	Glass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frame	Glass front (Gorilla Glass Victus), plastic back, aluminum frame
SIM	Dual SIM (Nano-SIM, dual stand-by)	Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, 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	Super AMOLED, 120Hz, HDR10+, 700 nits (HBM), 1100 nits (peak)	Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Size	5.9 inches, 84.0 cm² (~82.9% screen-to-body ratio)	6.2 inches, 94.1 cm² (~87.2% screen-to-body ratio)
Resolution	1080 x 2400 pixels, 20:9 ratio (~446 ppi density)	1080 x 2400 pixels, 20:9 ratio (~421 ppi density)
Protection	Corning Gorilla Glass Victus	Corning Gorilla Glass Victus
	Always-on display	Always-on display

Platform
OS	Android 11, upgradable to Android 13	Android 11, upgradable to Android 14, One UI 6
Chipset	Qualcomm SM8350 Snapdragon 888 5G (5 nm)	Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
CPU	Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)	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	Adreno 660	Mali-G78 MP14 - International Adreno 660 - USA/China

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

Main Camera
Modules	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	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, HDR, panorama	LED flash, auto-HDR, panorama
Video	8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR	8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS

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

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

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

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

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

Misc
Colors	Obsidian Black, Horizon Silver	Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
SAR		0.74 W/kg (head) 1.08 W/kg (body)
SAR EU		0.46 W/kg (head) 1.51 W/kg (body)
Models	ZS590KS, ZS590KS-2A007EU, I006D	SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09
Price	C$ 899.00 / £ 406.90 / € 408.64	$ 193.65 / C$ 294.95 / £ 177.89 / € 268.92

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

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