Phone Comparison - Samsung Galaxy S21 Ultra 5G vs Xiaomi Redmi K40 Pro+

Samsung Galaxy S21 Ultra 5G
samsung galaxy s21 ultra 5g
Xiaomi Redmi K40 Pro+
xiaomi redmi k40 pro+
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general General Info

Manufacturer Samsung Xiaomi
Announced 2021, January 14 Expected Announcement - February 2021
Status Coming soon. Exp. release 2021, January 29 Rumored - March 2021
Price Rs. 105,999 ($0.00) [Similarly Priced] -
Colors Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown Black; other colors
Form Factor Candybar Candybar
Dimension 165.1 x 75.6 x 8.9 mm
(6.5 x 2.98 x 0.35 in)
-
Weight 227 g (8.01 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
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 (side-mounted)

hardware Hardware and OS

OS Android 11 Android 11
User Interface One UI 3.0 MIUI 12
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 (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680), Qualcomm SM8350 Snapdragon 888 (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 256 GB
External Memory microSDXC (uses shared SIM slot) No

display Display

Type QHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1500 nits (peak)
Corning Gorilla Glass Victus
Always-on display
FHD+ Super AMOLED Screen
120Hz Refresh Rate
HDR10+
1300 nits (peak)
Corning Gorilla Glass 5
Colors 16M Colour 16M Colour
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% -
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP [Similar] 108 MP + 8 MP + 5 MP [Similar]
Flash LED flash 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/1.8, 26mm (wide), 1/1.52", 1µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide)
5 MP, 50mm (macro), 1/5.0", 1.12µm
HDR, panorama
Video 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 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]
20 MP, f/2.0, (wide), 1/3", 0.9µm
HDR
1080p@30fps, 720p@120fps [Similar]

connectivity 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 5.1, 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/6, dual-band, Wi-Fi Direct, hotspot
USB USB Type-C 3.2, USB On-The-Go USB Type-C 2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
Browser Yes Yes

memory User Memory

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

Apps Sensors

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

battery 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 battery charging 33W, 100% in 52 min (advertised)
Power Delivery 3.0
Quick Charge 3+
Capacity 5000 mAh 4520mAh
Stand by - -
Talk Time - -