Compare Redmi K40 Gaming Edition vs Redmi Note 10S vs Redmi K40
Connectivity
Ports
USB-C
1x USB-C + 1x Headphone jack
USB-C
Wireless Connectivity
WiFi 6, Bluetooth 5.2
WiFi 5, Bluetooth 5.1, IR blaster, NFC
WiFi 6, Bluetooth 5.1
Construction
Battery | Capacity
5065 mAh
5000 mAh
4520 mAh
Camera | Front
16MP
13MP, f/2.5, 1/3.06", 1.12µm
20MP
Camera | Rear | Depth
2MP, f/2.4
Camera | Rear | Macro
2MP, f/2.4
2MP, f/2.4
Camera | Rear | Telephoto
5MP
Camera | Rear | Ultra-Wide
8MP, f/2.2
8 MP, f/2.2, 118˚, 1/4.0", 1.12µm
8MP
Camera | Rear | Wide
64MP, f/1.65
64MP, f/1.8, 1/1.97", PDAF
48MP, Sony IMX582, f/1.79
Colors
Black, Sliver, White
Ocean Blue, Onyx Gray, Pebble White
Glossy Black, Icy White, and Dreamland
Material
Corning Gorrila Glass 5
Corning Gorilla Glass 3
Corning Gorrila Glass 5
Speakers
Dual speakers
Dual speakers
Dual speakers
Dimensions
Size | Depth
8.3 mm
8.3 mm
7.8 mm
Size | Height
161.94 mm
160.5 mm
163.7 mm
Size | Width
76.93 mm
74.5 mm
76.4 mm
Weight
205 g
178.8 g
196 g
Display
Aspect Ratio
20:9
20:9
20:9
Brightness
500 nits
450 nits (typ), 1100 nits (peak)
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)
8-bit
10-bit
Display Diagonal
6.67 inch
6.43 inch
6.67 inch
Display Type
OLED
AMOLED (OLED)
Samsung E4 AMOLED (OLED)
Gamut
100% DCI-P3
100% DCI-P3
100% DCI-P3
Pixel Density
409 ppi
Refresh Rate
120 Hz
90 Hz
120 Hz
Resolution
FHD+ 2400x1080
FHD+, 2400x1080
FHD+ 2400x1080
Function
Audio
Dolby Atmos
Bluetooth Codecs
AAC / LDAC / LHDC
AAC / LDAC / LHDC
Chipset
MediaTek 1200
Mediatek Helio G95
Qualcomm Snapdragon 870
Fast Charging
67W wired turbo charging, 42min to 100%
33W fast charging
55W wired turbo charging
GPS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
A-GPS, GLONASS, GALILEO, BDS
GPS: L1+L5 / Galileo: E1+E5a / GLONASS: G1 / Beidou
Graphics
9-core Mali
Mali-G76 MC4
Qualcomm Adreno 650 GPU
HDR
HDR10+
HDR10+
Operating System
MIUI 12.5, Android 11
MIUI 12, Android 11
MIUI 12, Android 11
Processor
8-core Cortex A78, 6nm
Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Qualcomm Kryo585, 8-core
SIM
Dual nano 5G
Dual Nano 4G LTE
Dual nano 5G
Security
Side-mounted fingerprint sensor
Arc side fingerprint sensor
Side-mounted fingerprint sensor
Sensor
Proximity sensor | Ambient light sensor | Accelerometer | Gyroscope | Electronic compass | Linear motor | IR Blaster
Touch Screen
480Hz touch sampling rate
360Hz touch sampling rate
Video Recording
4K 30fps, FHD 120fps, HD 960fps
4K 30fps, FHD 960fps
Weather Resistance
IP53
Performance
Charging Time
52min to 100%
52min to 100%
Memory | Capacity
6, 8, or 12 GB
6 or 8 GB
6, 8, or 12 GB
Memory | Type
LPDDR4x 4266Mbps
LPDDR4X
LPDDR5 5500Mbps
Power Supply
33 W
Storage
128 or 256 GB UFS 3.1
64 or 128 GB UFS 2.2 + micro SD
128 or 256 GB UFS 3.1
Production
Debut
2021-04-27
2021-03-04
2021-02-25
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