PhoneBunch

Samsung Galaxy S21 Ultra 5G vs Xiaomi Mi Mix 4

General Info

Manufacturer
Samsung Xiaomi
Announced
2021, January 14 2021, August 10
Status
Coming soon. Exp. release 2021, January 29 Coming soon. Exp. release 2021, August
Price
Rs. 105,999 ($0.00) [Similarly Priced] -
Colors
Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown Ceramic Black, Ceramic White, Shadow Gray
Form Factor
Candybar Candybar
Dimension
165.1 x 75.6 x 8.9 mm
(6.5 x 2.98 x 0.35 in)
162.6 x 75.4 x 8 mm
(6.4 x 2.97 x 0.31 in)
Weight
227 g (8.01 oz) 225 g (7.94 oz)
SIM Type
Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network
LTE LTE 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
5G Network
SA/NSA/Sub6/mmWave 1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6
Messaging
Build Features
- Fingerprint Sensor (under display, ultrasonic)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Stylus support
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+
- Fingerprint Sensor (under display, optical)
IP53, dust and splash protection

Display

Type
QHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1500 nits (peak)
Corning Gorilla Glass Victus
Always-on display
FHD+ AMOLED Screen True-tone
120Hz Refresh Rate
HDR10+
Dolby Vision, Wide color gamut
800 nits (HBM)
Corning Gorilla Glass Victus
Colors
16M Colour 1B colors
Size
6.8 inches [Similar] 6.67 inches [Similar]
Resolution
1440 x 3200 pixels (516 ppi) 1080 x 2400 pixels (395 ppi)
Screen-to-Body Ratio
89.46% 87.42%
Multi-Touch

Hardware and OS

OS
Android 11 Android 11
User Interface
One UI 3.0 MIUI 12.5
Processor
Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - Global / Qualcomm Snapdragon 875 - USA [Similar] Octa-core (1x2.99 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680), Qualcomm SM8350 Snapdragon 888 Plus 5G (5 nm) [Similar]
GPU
Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea [Similar] Adreno 660 [Similar]
RAM
16 GB [Browse Similar] 12 GB [Browse Similar]
Internal Memory
512 GB 512 GB
External Memory
microSDXC (uses shared SIM slot) No

Camera

Rear Camera
108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP [Similar] 108 MP + 8 MP + 13 MP [Similar]
Flash
LED flash Dual-LED flash
Features
108 MP (2nd gen), f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS
10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom
10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
auto-HDR, panorama
108 MP, f/1.9, 24mm (wide), 1/1.33", 0.8µm, Dual Pixel PDAF, Laser AF, OIS
8 MP, f/4.1, 120mm (periscope telephoto), PDAF, OIS, 5x optical zoom 13 MP, f/2.4, 123˚ (ultrawide), 1/3.06", 1.12µm
HDR, Panorama
Video
8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS 8K@24fps, 4K@30/60fps, 1080p@30/60/120/480fps; gyro-EIS, HDR10+
Front Camera
40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF
Dual video call, Auto-HDR
4K@30/60fps, 1080p@30fps [Similar]
Under-display 20 MP, 27mm (wide), 1/3.4", 0.8µm
1080p@30fps [Similar]

Multimedia

3.5mm Jack
Radio
FM radio (Snapdragon model only; market/operator dependent) No
Games
Yes + Downloadable Yes + Downloadable
Loud Speaker

Connectivity and Data Rate

GPRS
Yes Yes
Edge
Yes Yes
3G
HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth
5.2, A2DP, LE 5.2, A2DP, LE, aptX HD
Wi-Fi
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/6e, dual-band, Wi-Fi Direct, hotspot
USB
USB Type-C 3.2, USB On-The-Go USB Type-C 2.0
GPS
Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with dual-band A-GPS, GLONASS, GALILEO, BDS, QZSS, NavIC
Browser
Yes Yes

User Memory

Internal
512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1 512 GB, 12 GB RAM or 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1
Expandable Storage
microSDXC (uses shared SIM slot) No
USB OTG
Supported Supported

Sensors

Fingerprint
Proximity Sensor
Accelerometer Sensor
Magnetic-field Sensor (Compass)
Gyroscope Sensor
Barometer Sensor
NFC

Battery

Type
Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
Non-removable Li-Po Battery
Fast charging 120W, 100% in 15 min (advertised)
Fast wireless charging 50W, 100% in 28 min (advertised)
Quick Charge 4, Power Delivery 3.0
Capacity
5000 mAh 4500 mAh
Stand by
- -
Talk Time
- -
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