Comparison of Samsung Galaxy S21 Ultra 5G and Xiaomi Mi Mix 3

Comparison of Samsung Galaxy S21 Ultra 5G and Xiaomi Mi Mix 3 [S]ave

Attribute	Samsung Galaxy S21 Ultra 5G ×	Xiaomi Mi Mix 3 ×
General
Brand	Samsung	Xiaomi
Launch
Announced	2021-01-14	2018-10-01
Body
Width (mm)	8.9	8.5
Length (mm)	165.1	157.9
Height (mm)	75.6	74.7
Weight (g)	227	218
SIM	Single SIM (Nano-SIM and/or eSIM)	Dual SIM (Nano-SIM, dual stand-by)
Front	Glass	Glass
Back	Glass	Ceramic
Frame	Aluminum	Aluminum
Network
Technology	5G CDMA EVDO GSM HSPA LTE	CDMA EVDO GSM HSPA LTE
2G bands	CDMA 800 / 1900 & TD GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)	CDMA 800 / 1900 & TD GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands	CDMA2000 1xEV HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	CDMA2000 1xEV-DO HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - Global HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
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	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66 - Global 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41
5G bands	2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave	-
Speed	5G HSPA 42.2/5.76 Mbps LTE-A (CA)	HSPA 42.2/5.76 Mbps LTE
Platform
OS	Android 11	Android 9.0 (Pie)
Chipset	Exynos 2100 (5 nm) - International	Qualcomm SDM845 Snapdragon 845 (10 nm)
CPU	Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International	Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
GPU	Mali-G78 MP14 - International	Adreno 630
Memory
Card slot	No	No
Internal	128GB 12GB RAM 256GB 12GB RAM 512GB 16GB RAM	128GB 6GB RAM 128GB 8GB RAM 256GB 10GB RAM 256GB 8GB RAM
Display
Size (in)	6.8	6.39
Resolution (px)	1440 x 3200	1080 x 2340
Protection	Corning Gorilla Glass Victus	Corning Gorilla Glass 5
Display Type	Dynamic AMOLED 2X	Super AMOLED
Battery
Type	Li-Ion	Li-Po
Charging	Fast charging 25W, USB Power Delivery 3.0, Fast Qi/PMA wireless charging 15W, Reverse wireless charging 4.5W	Fast charging 18W, Quick Charge 4+, Wireless charging 10W
Capcity (mAh)	5000	3200
Main Camera
Main Camera Type	Quad	Dual
Main Camera Properties	10 MP, f/2.4, 70mm (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 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video	12 MP (telephoto), 1/3.4", 1.0µm 12 MP (wide), f/1.8, 1/2.55", 1.4µm, Dual Pixel PDAF, 4-axis OIS
Main Camera Video	8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS	4K@30/60fps, 1080p@30/60fps, 1080p@960fps
Main Camera Features	LED flash, auto-HDR, panorama	LED flash, HDR, panorama
Selfie Camera
Selfie Camera Type	Single	Dual
Selfie Camera Properties	40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF	Manual pop-up 2 MP, depth sensor Manual pop-up 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
Selfie Camera Video	4K@30/60fps, 1080p@30fps	1080p@30fps
Selfie Camera Features	Dual video call, Auto-HDR	LED flash, HDR
Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth	5.2, A2DP, LE	5.0, A2DP, aptX HD, LE
GPS	+	+
NFC	+	+
Radio	FM radio (Snapdragon model only; market/operator dependent)	No
USB	USB Type-C 3.2, USB On-The-Go	USB Type-C
Sound
Loudspeaker	+	+
3.5mm jack	-	-
Features
Sensors	Fingerprint (under display accelerometer barometer compass gyro proximity ultrasonic)	Fingerprint (rear-mounted) accelerometer compass gyro proximity
Misc
Colors	Phantom Black Phantom Brown Phantom Navy Phantom Silver Phantom Titanium	Forbidden City Blue Jade Green Onyx Black Sapphire Blue
Models	SM-G9980 SM-G998B SM-G998B/DS SM-G998N SM-G998U SM-G998U1 SM-G998W	M1810E5A
SAR EU Head (W/kg)	0.71	-
SAR EU Body (W/kg)	1.58	-
SAR Head (W/kg)	0.77	1.45
SAR Body (W/kg)	1.02	1.57