Phone Comparison - Xiaomi Redmi 8 vs Xiaomi Redmi Note 8 vs Samsung Galaxy S21 Ultra 5G

Price Comparison (India) -

general General Info

Manufacturer Xiaomi Xiaomi Samsung
Announced August 2019 August 2019 2021, January 14
Status Coming Soon October 9, 2019 Coming Soon - October 2019 Coming soon. Exp. release 2021, January 29
Price Rs. 7,999 ($0.00) [Similarly Priced] Rs. 9,999 ($0.00) [Similarly Priced] Rs. 105,999 ($0.00) [Similarly Priced]
Colors Onyx Black, Ruby Red, Sapphire Blue Nebula Red, Neptune Blue, Space Black Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown
Form Factor Candybar Candybar Candybar
Dimension 156.3 × 75.4 × 9.4 mm
(6.15 × 2.97 × 0.37 in)
158.3 x 75.3 × 8.35 mm
(6.23 x 2.96 × 0.33 in)
165.1 x 75.6 x 8.9 mm
(6.5 x 2.98 x 0.35 in)
Weight 180 g (6.35 oz) 190 g (6.7 oz) 227 g (8.01 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300), 41(2500) LTE
5G Network - - SA/NSA/Sub6/mmWave
Messaging
Build Features - Fingerprint Sensor
- P2i nano hydrophobic coating
- Fingerprint Sensor
- 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+

hardware Hardware and OS

OS Android 9.0 (Pie) Android 9.0 (Pie) Android 11
User Interface MIUI 10 MIUI 10 One UI 3.0
Processor Octa-core (2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53), Qualcomm SDM439 Snapdragon 439 (12 nm) Octa-core 2.0 GHz Kryo 260, Qualcomm SDM665 Snapdragon 665 (11 nm) 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
GPU Adreno 505 Adreno 610 Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea
RAM 4 GB 6 GB 16 GB
Internal Memory 64 GB 128 GB 512 GB
External Memory microSD, up to 512 GB (dedicated slot) microSD, up to 256 GB microSDXC (uses shared SIM slot)

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5 Full HD+ curved glass LCD Touchscreen, Corning Gorilla Glass 5 protection QHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1500 nits (peak)
Corning Gorilla Glass Victus
Always-on display
Colors 16M colors 16M colors 16M Colour
Size 6.22 inches 6.39 inches 6.8 inches
Resolution 720 x 1520 pixels (270 ppi) 1080 x 2340 pixels (403 ppi) 1440 x 3200 pixels (516 ppi)
Screen-to-Body Ratio - - 89.46%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 12 MP + 2 MP 48 MP + 8 MP + 2 MP + 2 MP 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP
Flash LED Flash Dual-LED Flash LED flash
Features 12 MP, f/2.2, 1.25µm, PDAF
2 MP, depth sensor
HDR, Panorama
48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µm
2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera)
2 MP, f/2.4, 1/5", 1.75µm, depth sensor
HDR, Panorana
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
Video 1080p@30/60fps 2160p@30fps, 1080p@30/60/120fps, (gyro-EIS) 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
Front Camera 8 MP, HDR, 1080p@30fps [Similar] 13 MP
HDR
1080p@30fps [Similar]
40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF
Dual video call, Auto-HDR
4K@30/60fps, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth 4.2, A2DP, LE 5.0, A2DP, LE 5.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot
USB microUSB 2.0, USB On-The-Go 2.0, Type-C 1.0 reversible connector USB Type-C 3.2, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser Yes Yes Yes

memory User Memory

Internal 64 GB, 4 GB RAM or 32 GB, 3 GB RAM or 16 GB, 2 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1
Expandable Storage microSD, up to 512 GB (dedicated slot) microSD, up to 256 GB microSDXC (uses shared SIM slot)
USB OTG Supported Yes Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor present gyroscope sensor present
Barometer Sensor barometer sensor not present barometer sensor not present barometer sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 18W (Quick Charge 4)
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
Capacity 5000 mAh 4000 mAh 5000 mAh
Stand by - - -
Talk Time - - -