Compare Redmi K40 Gaming Edition vs Redmi 9 vs Xiaomi Redmi 9T
Connectivity
Ports
USB-C
USB-C, 3.5mm headphone
USB-C + 3.5mm headphone jack
Wireless Connectivity
WiFi 6, Bluetooth 5.2
Bluetooth 5.0 + NFC + IR blaster
NFC, IR blaster, Bluetooth, WiFi
Construction
Battery | Capacity
5065 mAh
5020 mAh
6000 mAh
Camera | Front
16MP
8MP f/2.0, FOV 77.8°, FF
8MP, f/2.5
Camera | Rear
48MP main camera 1/2" sensor, f/1.79, AF + 8MP ultra-wide, f/2.2 + 2MP depth sensor, f/2.4 + 2MP macro camera, f/2.4
Camera | Rear | Depth
F/2.4, FF
Camera | Rear | Macro
2MP, f/2.4
5MP f/2.4, FF (4cm)
Camera | Rear | Ultra-Wide
8MP, f/2.2
8MP FOV 118°, f/2.2, FF
Camera | Rear | Wide
64MP, f/1.65
13MP f/2.2, FOV 75.2°, AF
Colors
Black, Sliver, White
Carbon Grey, Sunset Purple, Ocean Green
Carbon Gray, Twilight Blue, Sunrise Orange, Ocean Green
Material
Corning Gorrila Glass 5
Corning Gorilla Glass 3
Corning️ Gorilla️ Glass 3 front / Unibody polycarbonate back
Speakers
Dual speakers
1216 size Xmax 0.5mm Ultra Linear Amplitude Speaker + 3.5mm headphone jack
Dual speakers, Hi-Res Audio certification
Dimensions
Size | Depth
8.3 mm
9.1 mm
9.6 mm
Size | Height
161.94 mm
163.32 mm
162.3 mm
Size | Width
76.93 mm
77.01 mm
77.3 mm
Weight
205 g
198 g
198 g
Display
Aspect Ratio
20:9
19.5:9
Brightness
500 nits
400 nit
400 nits (typ)
Contrast Ratio
5,000,000:1 (typical)
1500:1
Display Color Depth
10-bit (1.07B)
Display Diagonal
6.67 inch
6.53 inch
6.53 inch
Display Type
OLED
DotDisplay
Gamut
100% DCI-P3
70% NTSC
Pixel Density
394 ppi
Refresh Rate
120 Hz
60 Hz
Resolution
FHD+ 2400x1080
2340x1080 FHD+
FHD+, (2340×1080)
Function
Audio
Hi-Res Audio certification
Bluetooth Codecs
AAC / LDAC / LHDC
Chipset
MediaTek 1200
MediaTek Helio G80 SoC
Qualcomm️ Snapdragon 662
Fast Charging
67W wired turbo charging, 42min to 100%
18W Fast Charge
18W wired fast charging
GPS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
Graphics
9-core Mali
Mali-G52 MC2, 950 MHz
Qualcomm Adreno 610 GPU
HDR
HDR10+
Operating System
MIUI 12.5, Android 11
MIUI 11
MIUI 12 based on Android 10
Processor
8-core Cortex A78, 6nm
2 ARM Cortex A75 + 6 ARM Cortex A55, Octa-core CPU
Qualcomm️ Kryo 260
SIM
Dual nano 5G
Dual Nano 4G
Dual SIM
Security
Side-mounted fingerprint sensor
AI Face Unlock + Rear fingerprint sensor (Redmi 9 only)
Side-mounted fingerprint sensor + AI Face Unlock
Touch Screen
480Hz touch sampling rate
Video Recording
4K 30fps, FHD 120fps, HD 960fps
Performance
Charging Time
52min to 100%
Memory | Capacity
6, 8, or 12 GB
3 or 4 GB
4 or 6 GB
Memory | Type
LPDDR4x 4266Mbps
LPDDR4X
LPDDR4X
Storage
128 or 256 GB UFS 3.1
32 or 64 GB eMMC 5.1
64GB UFS 2.1 or 128GB UFS2.2 + up to 512GB microSD
Production
Availability
2021-01-09
Debut
2021-04-27
2020-07-15
2021-01-08
Made In
China
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