Phone Comparison - Xiaomi Mi 9 vs Samsung Galaxy S20 5G vs Samsung Galaxy S21 5G

general General Info

Manufacturer Xiaomi Samsung Samsung
Announced February 2019 2020, February 11 2021, January 14
Status Coming Soon - March 2019 Coming soon. Exp. release 2020, March 6 Coming soon. Exp. release 2021, January 29
Price - - Rs. 69,999 ($799.99) [Similarly Priced]
Colors Lavender Violet, Ocean Blue, Piano Black Cosmic Grey, Cloud Blue, Cloud Pink Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
Form Factor Candybar Candybar Candybar
Dimension 157.5 x 74.7 x 7.6 mm
(6.2 x 2.94 x 0.3 in)
151.7 x 69.1 x 7.9 mm
(5.97 x 2.72 x 0.31 in)
151.7 x 71.2 x 7.9 mm
(5.97 x 2.8 x 0.31 in)
Weight 173 g (6.1 oz) 163 g (5.75 oz) 169 g (5.96 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), 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 (Dual SIM model only)
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 39(1900), 40(2300) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) LTE
5G Network - 5G band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 40(2300), 77(3700), 78(3500); SA/NSA/Sub6/mmWave SA/NSA/Sub6/mmWave
Messaging
Build Features Fingerprint Sensor (In-display)
- Fingerprint Sensor(In-display)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
- Fingerprint Sensor (under display, ultrasonic)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+

hardware Hardware and OS

OS Android 9.0 (Pie); MIUI 10 Android 10.0 Android 11
User Interface - One UI 2.0 One UI 3.1
Processor Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485), Qualcomm SDM855 Snapdragon 855 (7 nm) Octa-core (2x2.73 GHz Mongoose M5 & 2x2.60 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) - Global
Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585) - USA, Exynos 990 (7 nm+) - Global
Qualcomm SM8250 Snapdragon 865 (7 nm+) - USA
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 - International / Qualcomm Snapdragon 888 - USA/China/Korea
GPU Adreno 640 Mali-G77 MP11 - Global
Adreno 650 - USA
Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea
RAM 6/8 GB 12 GB 8 GB
Internal Memory 64/128 GB 128 GB 256 GB
External Memory No microSD, up to 1 TB microSDXC (uses shared SIM slot)

display Display

Type Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 6 Dynamic AMOLED Capacitive Touchscreen
Corning Gorilla Glass 6
HDR10+
Always-on display
120Hz
FHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1300 nits (peak)
Corning Gorilla Glass Victus
Always-on display
Colors 16M colors 16M colors 16M Colour
Size 6.39 inches 6.2 inches 6.2 inches
Resolution 1080 x 2340 (403 ppi) 1440 x 3200 pixels (566 ppi) 1080 x 2400 pixels (424 ppi)
Screen-to-Body Ratio 85.33% 88.53% 86.12%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 16 MP + 12 MP 64 MP + 12 MP + 12 MP 12 MP + 64 MP + 12 MP
Flash Dual-LED Flash LED flash LED Flash
Features 48 MP, f/1.8, 1/2", 0.8µm, Laser/PDAF
16 MP, f/2.2, 13mm (ultrawide), 1/3.0", 1.0µm, Laser/PDAF
12 MP, f/2.2, 54mm (telephoto), 1/3.6", 1.0µm, Laser/PDAF, 2x optical zoom
HDR, panorama
12 MP, (wide), Dual Pixel PDAF, OIS
64 MP, (telephoto), PDAF, OIS, 3x optical zoom
12 MP, (ultrawide), 1/1.26", 0.7µm, AF, Super Steady video
TOF 3D camera
auto-HDR, panorama
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 (ultrawide), 1.4µm, Super Steady video
Auto-HDR, Panorama
Video 2160p@30/60fps, 1080p@30/120/240fps, 1080p@960fps 3240p@30fps, 2160p@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS 8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS
Front Camera 20 MP, f/2.0, 0.9µm, HDR, 1080p@30fps [Similar] 10 MP, f/1.9, 26mm (wide), 1/3", 1.22µm, Dual Pixel PDAF
Dual video call, Auto-HDR
2160p@30fps, 1080p@30fps [Similar]
10 MP, f/2.2, 26mm (wide), 1/3.2", 1.22µm, Dual Pixel 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-A HSPA 42.2/5.76 Mbps, LTE-A (7CA) Cat20 2000/150 Mbps; 5G (2+ Gbps DL) HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth 5.0, A2DP, LE, aptX HD 5.0, A2DP, LE, aptX 5.0, A2DP, LE
Wi-Fi 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/ax, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go 3.2, Type-C 1.0 reversible connector USB Type-C 3.2, USB On-The-Go
GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser Yes Yes

memory User Memory

Internal 64/128 GB, 6/8 GB RAM 128 GB, 12 GB RAM 256 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1
Expandable Storage No microSD, up to 1 TB microSDXC (uses shared SIM slot)
USB OTG Supported Supported 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 present gyroscope sensor present gyroscope sensor present
Barometer Sensor barometer sensor not present barometer sensor present barometer sensor present
NFC NFC supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Power bank/Reverse wireless charging 9W
Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Power bank/Reverse wireless charging 4.5W
Capacity 3300 mAh 4000 mAh 4000 mAh
Stand by - - -
Talk Time - - -