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Full Differences Change compare mode	Review Specs	Review Specs 128GB 12GB RAM $ 282.00

Sony Xperia Z3

Samsung Galaxy S21 Ultra 5G

Network
Technology	GSM / HSPA / LTE	GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands	GSM 850 / 900 / 1800 / 1900 - D6603, D6643, D6653, D6616	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
		CDMA 800 / 1900 & TD-SCDMA
3G Network	HSDPA 850 / 900 / 1700 / 1900 / 2100 - D6603, D6643, D6616	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
	HSDPA 850 / 900 / 1900 / 2100 - D6653	CDMA2000 1xEV-DO
4G Network	1, 2, 3, 4, 5, 7, 8, 13, 17, 20 - D6603	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-G998U1
	1, 2, 3, 4, 5, 7, 8, 17, 20 - D6643	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G998B
	1, 3, 5, 7, 8, 28, 40 - D6653
	2, 4, 12 - D6616
5G Network		2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1
		1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B
Speed	HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)

Launch
Announced	2014, September 03. Released 2014, November 06	2021, January 14
Status	Discontinued	Available. Released 2021, January 29

Body
Dimensions	146 x 72 x 7.3 mm (5.75 x 2.83 x 0.29 in)	165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
3D size compare	Size up
Weight	152 g (5.36 oz)	227 g (Sub6), 229 g (mmWave) (8.01 oz)
Build	Glass front, glass back, aluminum frame	Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
SIM	Nano-SIM	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) Stylus support

Display
Type	IPS LCD	Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak)
Size	5.2 inches, 74.5 cm2 (~70.9% screen-to-body ratio)	6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
Resolution	1080 x 1920 pixels, 16:9 ratio (~424 ppi density)	1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
Protection	Scratch-resistant glass, oleophobic coating	Corning Gorilla Glass Victus
	Triluminos display X-Reality Engine	Always-on display

Platform
OS	Android 4.4.4 (KitKat), upgradable to 6.0 (Marshmallow)	Android 11, upgradable to Android 14, One UI 6.1
Chipset	Qualcomm MSM8974AC Snapdragon 801 (28 nm)	Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
CPU	Quad-core 2.5 GHz Krait 400	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 330	Mali-G78 MP14 - International Adreno 660 - USA/China

Memory
Card slot	microSDXC (dedicated slot)	No
Internal	16GB 3GB RAM, 32GB 3GB RAM	128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
	eMMC 5.0	UFS 3.1

Main Camera
Modules	20.7 MP, f/2.0, 25mm (wide), 1/2.3", 1.12µm, AF	108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Features	LED flash, HDR, panorama	LED flash, auto-HDR, panorama
Video	4K@30fps, 1080p@60fps, 720p@120fps, HDR	8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS

Selfie Camera
Modules	2.2 MP, f/2.8	40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
Features		Dual video call, Auto-HDR
Video	1080p@30fps	4K@30/60fps, 1080p@30fps

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

Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot	Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth	4.0, A2DP, aptX	5.2, A2DP, LE
Positioning	GPS, GLONASS, BDS	GPS, GLONASS, BDS, GALILEO
NFC	Yes	Yes
Infrared port	No	No
Radio	FM radio, RDS	FM radio (Snapdragon model only; market/operator dependent)
USB	microUSB 2.0 (MHL 3 TV-out), OTG, magnetic connector	USB Type-C 3.2, OTG

Features
Sensors	Accelerometer, gyro, proximity, compass, barometer	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
	ANT+	Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support

Battery
Type	Li-Ion 3100 mAh, non-removable	Li-Ion 5000 mAh, non-removable
Charging	18W wired, QC2 (Japan)	25W wired, PD3.0 15W wireless (Qi/PMA) 4.5W reverse wireless
Stand-by	Up to 890 h (2G) / Up to 740 h (3G)
Talk time	Up to 14 h (2G) / Up to 16 h (3G)
Music play	Up to 130 h

Misc
Colors	Black, White, Copper, Silver Green, Purple	Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
SAR	0.80 W/kg (head)     1.44 W/kg (body)	0.77 W/kg (head)     1.02 W/kg (body)
SAR EU	0.62 W/kg (head)     0.65 W/kg (body)	0.71 W/kg (head)     1.58 W/kg (body)
Models	D6603, D6653, D6616, D6643, SO-01G, SOL26, D6646	SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
Price	About 180 EUR	$ 282.00 / C$ 447.87 / £ 246.97 / € 405.00 / ₹ 63,499

Tests
Performance	Basemark X: 12637	AnTuTu: 657150 (v8) GeekBench: 3518 (v5.1) GFXBench: 33fps (ES 3.1 onscreen)
Display	Contrast ratio: 1333:1 (nominal), 2.618 (sunlight)	Contrast ratio: Infinite (nominal)
Camera	Compare PHOTO / Compare VIDEO
Loudspeaker	Voice 69dB / Noise 66dB / Ring 67dB	-25.5 LUFS (Very good)
Audio quality	Noise -86.4dB / Crosstalk -86.6dB
Battery (old)	Endurance rating 85h	Endurance rating 114h