Compare Redmi K40 Gaming Edition vs Redmi Note 9T vs Xiaomi Mi 11
Connectivity
Ports
USB-C
USB-C + 3.5mm headphone jack
USB-C
Wireless Connectivity
WiFi 6, Bluetooth 5.2
NFC, IR blaster, Bluetooth, WiFi
WiFi 6, Bluetooth 5.2, NFC, IR blaster
Construction
Battery | Capacity
5065 mAh
5000 mAh
4600 mAh
Camera | Front
16MP
13MP, f/2.25
20MP, f/2.2, 0.8μm pixel size, 1.6μm 4-in-1 Super Pixel
Camera | Rear
48MP main camera 1/2" sensor, f/1.79, AF + 2MP depth sensor, f/2.4 + 2MP macro camera, f/2.4
Camera | Rear | Macro
2MP, f/2.4
Camera | Rear | Telephoto
5MP, f/2.4, AF (3cm-10cm)
Camera | Rear | Ultra-Wide
8MP, f/2.2
13MP, f/2.4
Camera | Rear | Wide
64MP, f/1.65
108MP, 1/1.33" sensor size, 0.8μm pixel size, 1.6μm 4-in-1 Super Pixel, f/1.85, OIS
Colors
Black, Sliver, White
Nightfall Black, Daybreak Purple
Special Edition, Midnight Gray, Cloud White, Horizon Blue
Material
Corning Gorrila Glass 5
Corning️ Gorilla️ Glass 5 front / Unibody polycarbonate back
Corning Gorrila Glass Victus front
Speakers
Dual speakers
Dual speakers
Dual speakers, SOUND BY Harman Kardon, Hi-Res Audio certification
Dimensions
Size | Depth
8.3 mm
9.05 mm
8.06 mm
Size | Height
161.94 mm
161.96 mm
164.3 mm
Size | Width
76.93 mm
77.25 mm
74.6 mm
Weight
205 g
199 g
196 g
Display
Aspect Ratio
20:9
20:9
Brightness
500 nits
450 nits (typ)
900 nits (typical) / 1500 nits (max)
Contrast Ratio
5,000,000:1 (typical)
5,000,000:1 (typical)
Display Color Depth
10-bit (1.07B)
10-bit
Display Diagonal
6.67 inch
6.53 inch
6.81 inch
Display Type
OLED
DotDisplay
AMOLED quad-curve DotDisplay with TrueColor (OLED)
Gamut
100% DCI-P3
84% NTSC
100% DCI-P3
Refresh Rate
120 Hz
60 Hz
120 Hz
Resolution
FHD+ 2400x1080
FHD+, (2340×1080)
WQHD+
Function
Audio
Hi-Res Audio certification
Hi-Res Audio certification
Bluetooth Codecs
AAC / LDAC / LHDC
AAC/LDAC/LHDC
Chipset
MediaTek 1200
Qualcomm Snapdragon 888
Fast Charging
67W wired turbo charging, 42min to 100%
18W wired fast charging
55W wired turbo charging
GPS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
Graphics
9-core Mali
Mali-G57 GPU
Qualcomm Adreno 660 GPU
HDR
HDR10+
HDR10+
Operating System
MIUI 12.5, Android 11
MIUI 12 based on Android 10
MIUI 12, Android 11
Processor
8-core Cortex A78, 6nm
MediaTek Dimensity 800U
Qualcomm Kryo 680
SIM
Dual nano 5G
Dual SIM, dual 5G standby
Dual SIM, 5G
Security
Side-mounted fingerprint sensor
Side-mounted fingerprint sensor + AI Face Unlock
In-screen fingerprint sensor (Supports In-display heart rate monitoring), AI face unlock
Sensor
Proximity sensor | Ambient light sensor | Accelerometer | Gyroscope | Electronic compass | Linear motor | IR blaster
Touch Screen
480Hz touch sampling rate
480Hz touch sampling rate
Video Recording
4K 30fps, FHD 120fps, HD 960fps
Video Recording | Front
FHD 60fps, HD 120fps
Video Recording | Rear
8K 30fps, 4K 60fps, FHD 240fps
Wireless Charging
50W wireless turbo charging / 10W reverse wireless charging
Performance
Charging Time
52min to 100%
Memory | Capacity
6, 8, or 12 GB
4 GB
8 GB
Memory | Type
LPDDR4x 4266Mbps
LPDDR4X
LPDDR5 3200MHz
Storage
128 or 256 GB UFS 3.1
64GB UFS 2.1 or 128GB UFS2.2 + up to 256GB microSD
128 or 256 GB UFS 3.1
Production
Availability
2021-01-09
Debut
2021-04-27
2021-01-08
2021-02-08
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