Phone Comparison - Xiaomi Redmi K40 vs Xiaomi Mi 11 Ultra vs Xiaomi Poco F3

general General Info

Manufacturer Xiaomi Xiaomi Xiaomi
Announced 2021, February 25 2021, March 29 2021, March 22
Status Coming soon. Exp. release 2021, March Coming soon. Exp. release 2021, April 02 Coming soon. Exp. release 2021, March 27
Price - Rs. 69,999 ($0.00) [Similarly Priced] -
Colors Black, White, Aurora Ceramic White (Cosmic White), Ceramic Black (Cosmic Black) Arctic White, Night Black, Deep Ocean Blue
Form Factor Candybar Candybar Candybar
Dimension 163.7 x 76.4 x 7.8 mm
(6.44 x 3.01 x 0.31 in)
164.3 x 74.6 x 8.4 mm
(6.47 x 2.94 x 0.33 in)
163.7 x 76.4 x 7.8 mm
(6.44 x 3.01 x 0.31 in)
Weight 196 g (6.91 oz) 234 g (8.25 oz) 196 g (6.91 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) 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 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
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 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 42, 66 - International
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - China
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 66
5G Network 1, 3, 28, 38, 41, 77, 78 SA/NSA 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - International
1, 3, 28, 41, 77, 78, 79 SA/NSA - China
1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78 SA/NSA
Messaging
Build Features - Fingerprint Sensor (side-mounted)
- Fingerprint Sensor (under display, optical)
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 11 Android 11 Android 11
User Interface MIUI 12 MIUI 12.5 MIUI 12 for POCO
Processor Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680), Qualcomm SM8350 Snapdragon 888 (5 nm) Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
GPU Adreno 650 Adreno 660 Adreno 650
RAM 12 GB 12 GB 8 GB
Internal Memory 256 GB 512 GB 256 GB
External Memory No No No

display Display

Type FHD+ IPS LCD Screen
144Hz Refresh Rate
HDR10
Corning Gorilla Glass
QHD+ AMOLED Screen
120Hz Refresh Rate
HDR10+
900 nits, 1700 nits (peak)
Corning Gorilla Glass Victus
FHD+ AMOLED
120Hz Refresh Rate
HDR10+
900 nits (typ), 1300 nits (peak)
Corning Gorilla Glass 5
Colors 16M Colour 1B Colour 16M Colour
Size 6.67 inches 6.81 inches 6.67 inches
Resolution 1080 x 2400 pixels (395 ppi) 1440 x 3200 pixels (515 ppi) 1080 x 2400 pixels (395 ppi)
Screen-to-Body Ratio 85.70% 91.45% 85.70%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 5 MP 50 MP + 48 MP + 48 MP 48 MP + 8 MP + 5 MP
Flash LED Flash Dual-LED Dual-tone Flash LED Flash
Features 48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF
8 MP, 119˚ (ultrawide)
5 MP, 50mm (macro), 1/5.0", 1.12µm
HDR, panorama
50 MP, f/1.9, (wide), PDAF, Laser AF, OIS
48 MP, f/4.1, 120mm (periscope telephoto), 1/2.0", 0.8µm, PDAF, OIS, 5x optical zoom, 120x hybrid zoom
48 MP, (ultrawide), 1/2.0", 0.8µm, PDAF
HDR, Panorama, Selfie Display
48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide)
5 MP, 50mm (macro), 1/5.0", 1.12µm
HDR, Panorama
Video 4K@30fps, 1080p@30/60/120fps; gyro-EIS 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10 rec. 4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
Front Camera 20 MP, f/2.0, (wide), 1/3", 0.9µm
HDR
1080p@30fps, 720p@120fps [Similar]
20 MP, f/2.3, (wide), 1/3.4", 0.8µm
HDR
1080p@30fps, 720p@120fps, gyro-EIS [Similar]
20 MP, f/2.3, (wide), 1/3.4", 0.8µm
HDR
1080p@30fps, 720p@120fps, gyro-EIS [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A, 5G HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth 5.1, A2DP, LE, aptX HD 5.2, A2DP, LE, aptX HD 5.1, A2DP, LE
Wi-Fi 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/6e, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
USB USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go
GPS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC
Browser Yes Yes Yes

memory User Memory

Internal 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1 512 GB, 12 GB RAM or 256 GB, 12 GB RAM or 256 GB, 8 GB RAM UFS 3.1 256 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1
Expandable Storage No No No
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 not present
NFC NFC supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 33W, 100% in 52 min (advertised)
Power Delivery 3.0
Quick Charge 3+
Non-removable Li-Po Battery
Fast charging 67W, 100% in 36 min (advertised)
Fast wireless charging 67W, 100% in 39 min (advertised)
Reverse wireless charging 10W
Quick Charge 4+ Power Delivery 3.0
Non-removable Li-Po Battery
Fast battery charging 33W, 100% in 52 min (advertised)
Power Delivery 3.0
Quick Charge 3+
Capacity 4520 mAh 5000 mAh 4520mAh
Stand by - - -
Talk Time - - -