Compare Redmi Note 9T vs Redmi K40 Gaming Edition vs Redmi K40
Connectivity
Ports
USB-C + 3.5mm headphone jack
USB-C
USB-C
Wireless Connectivity
NFC, IR blaster, Bluetooth, WiFi
WiFi 6, Bluetooth 5.2
WiFi 6, Bluetooth 5.1
Construction
Battery | Capacity
5000 mAh
5065 mAh
4520 mAh
Camera | Front
13MP, f/2.25
16MP
20MP
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
Camera | Rear | Ultra-Wide
8MP, f/2.2
8MP
Camera | Rear | Wide
64MP, f/1.65
48MP, Sony IMX582, f/1.79
Colors
Nightfall Black, Daybreak Purple
Black, Sliver, White
Glossy Black, Icy White, and Dreamland
Material
Corning️ Gorilla️ Glass 5 front / Unibody polycarbonate back
Corning Gorrila Glass 5
Corning Gorrila Glass 5
Speakers
Dual speakers
Dual speakers
Dual speakers
Dimensions
Size | Depth
9.05 mm
8.3 mm
7.8 mm
Size | Height
161.96 mm
161.94 mm
163.7 mm
Size | Width
77.25 mm
76.93 mm
76.4 mm
Weight
199 g
205 g
196 g
Display
Aspect Ratio
20:9
20:9
Brightness
450 nits (typ)
500 nits
900 nits (typ) / 1300 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
6.53 inch
6.67 inch
6.67 inch
Display Type
DotDisplay
OLED
Samsung E4 AMOLED (OLED)
Gamut
84% NTSC
100% DCI-P3
100% DCI-P3
Refresh Rate
60 Hz
120 Hz
120 Hz
Resolution
FHD+, (2340×1080)
FHD+ 2400x1080
FHD+ 2400x1080
Function
Audio
Hi-Res Audio certification
Dolby Atmos
Bluetooth Codecs
AAC / LDAC / LHDC
AAC / LDAC / LHDC
Chipset
MediaTek 1200
Qualcomm Snapdragon 870
Fast Charging
18W wired fast charging
67W wired turbo charging, 42min to 100%
55W wired turbo charging
GPS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
Graphics
Mali-G57 GPU
9-core Mali
Qualcomm Adreno 650 GPU
HDR
HDR10+
HDR10+
Operating System
MIUI 12 based on Android 10
MIUI 12.5, Android 11
MIUI 12, Android 11
Processor
MediaTek Dimensity 800U
8-core Cortex A78, 6nm
Qualcomm Kryo585, 8-core
SIM
Dual SIM, dual 5G standby
Dual nano 5G
Dual nano 5G
Security
Side-mounted fingerprint sensor + AI Face Unlock
Side-mounted fingerprint sensor
Side-mounted fingerprint sensor
Touch Screen
480Hz touch sampling rate
360Hz touch sampling rate
Video Recording
4K 30fps, FHD 120fps, HD 960fps
4K 30fps, FHD 960fps
Performance
Charging Time
52min to 100%
52min to 100%
Memory | Capacity
4 GB
6, 8, or 12 GB
6, 8, or 12 GB
Memory | Type
LPDDR4X
LPDDR4x 4266Mbps
LPDDR5 5500Mbps
Power Supply
33 W
Storage
64GB UFS 2.1 or 128GB UFS2.2 + up to 256GB microSD
128 or 256 GB UFS 3.1
128 or 256 GB UFS 3.1
Production
Availability
2021-01-09
Debut
2021-01-08
2021-04-27
2021-02-25
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