Phone Comparison - Samsung Galaxy A10 vs Xiaomi Redmi K40 Gaming vs Samsung Galaxy S21 FE 5G

general General Info

Manufacturer Samsung Xiaomi Samsung
Announced February 2019 April 2021 2023, July 11
Status Coming Soon - March 2019 Coming Soon - April 2021 Coming soon. Exp. release 2023, July
Price - - Rs. 49,999 ($0.00) [Similarly Priced]
Colors Blue, Black, Red Black, Gray, Silver, Bruce Lee Yellow White, Graphite, Lavender, Olive
Form Factor Candybar Candybar Candybar
Dimension - 161.9 x 76.9 x 8.3 mm
(6.37 x 3.03 x 0.33 in)
155.7 x 74.5 x 7.9 mm
(6.13 x 2.93 x 0.31 in)
Weight - 205 g (7.23 oz) 177 g (6.24 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1x
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 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 LTE
5G Network - 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 SA/NSA/Sub6
Messaging
Build Features - - Fingerprint Sensor (side-mounted)
Physical pop-up gaming triggers
IP53, dust and splash protection
- Fingerprint Sensor (under display, optical)
IP68 dust/water resistant (up to 1.5m for 30 mins)

hardware Hardware and OS

OS Android 9.0 (Pie) Android 11 Android 12
User Interface - MIUI 12.5 One UI 4
Processor Octa-core 1.6 GHz, Exynos 7884 Octa Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55), MediaTek MT6893 Dimensity 1200 5G (6 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, Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPU Mali-G71 Mali-G77 MC9 Adreno 660
RAM 2 GB 12 GB 8 GB
Internal Memory 32 GB 256 GB 256 GB
External Memory microSD, up to 512 GB (dedicated slot) No microSDXC (uses shared SIM slot)

display Display

Type IPS LCD Capacitive Touchscreen FHD+ OLED Screen
120Hz Refresh Rate
HDR10+
500 nits (typ)
Corning Gorilla Glass 5
FHD+ Dynamic AMOLED 2X Screen
120Hz Refresh Rate
HDR10+
Corning Gorilla Glass Victus
Always-on display
Colors 16M colors 1B colors 16M colors
Size 6.2 inches 6.67 inches 6.4 inches
Resolution 720 x 1520 pixels (271 ppi) 1080 x 2400 pixels (395 ppi) 1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio - 86.09% 85.34%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes no no
Radio FM radio No FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes

camera Camera

Rear Camera 13 MP 64 MP + 8 MP + 2 MP 12 MP + 8 MP + 12 MP
Flash LED Flash Dual-LED Flash LED Flash
Features 13 MP, f/1.9, 28mm (wide), AF
Panorama, HDR
64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF
8 MP, f/2.2, 120˚ (ultrawide)
2 MP, f/2.4, (macro)
HDR, Panorama
12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
8 MP, f/2.4, 76mm (telephoto), PDAF, 3x optical zoom
12 MP, f/2.2, 13mm, 123˚ (ultrawide)
Auto-HDR, Panorama
Video 1080p@30fps 4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR 4K@30/60fps, 1080p@30/60fps, gyro-EIS
Front Camera 5 MP, f/2.0, LED flash, [Similar] 16 MP
HDR
1080p@30fps, 720p@120fps, HDR [Similar]
32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm
HDR
4K@30/60fps, 1080p@30/60fps (gyro-EIS) [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth 4.2, A2DP, LE 5.2, A2DP, LE 5.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
USB microUSB 2.0 USB Type-C 2.0, USB On-The-Go USB Type-C 3.2, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser Yes Yes

memory User Memory

Internal 32 GB, 2 GB RAM 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 12 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1
Expandable Storage microSD, up to 512 GB (dedicated slot) No microSDXC (uses shared SIM slot)
USB OTG Not Supported Supported Supported

Apps Sensors

Fingerprint fingerprint not 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 not 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 present barometer sensor not present
NFC NFC not supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 67W, 100% in 42 min (advertised)
Power Delivery 3.0
Quick Charge 3+
Non-removable Li-Po Battery
Fast charging 25W, 50% in 30 min (advertised)
Fast wireless charging 15W
Reverse wireless charging
USB Power Delivery 3.0
Capacity 3400 mAh 5065 mAh 4500 mAh
Stand by - - -
Talk Time - - -