Xiaomi
Xiaomi Redmi K40 Gaming
Experience cutting-edge technology with premium design and powerful performance.
📅 Available. Released 2021, April 30
🤖 Android 11, MIUI 12.5
💾 128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Network & Connectivity
Technology
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2 G bands
GSM 850 / 900 / 1800 / 1900
3 G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4 G bands
1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5 G bands
1, 3, 28, 41, 77, 78 SA/NSA/Sub6
Speed
HSPA, LTE, 5G
Display & Screen
Type
OLED, 1B colors, 120Hz, HDR10+, 500 nits (typ)
Size
6.67 inches, 107.4 cm 2 (~86.3% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection
Corning Gorilla Glass 5
Platform & Performance
O S
Android 11, MIUI 12.5
Chipset
Mediatek Dimensity 1200 (6 nm)
C P U
Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
G P U
Mali-G77 MC9
Memory & Storage
Card slot
No
Internal
128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Main Camera
Triple
64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF | 8 MP, f/2.2, 120˚ (ultrawide) | 2 MP, f/2.4, (macro)
Features
Color spectrum sensor, Dual-LED flash, HDR, panorama
Video
4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR
Modules
64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF | 8 MP, f/2.2, 120˚ (ultrawide) | 2 MP, f/2.4, (macro)
Selfie Camera
Single
16 MP, f/2.5, (wide), 1/3.06" 1.0µm
Features
HDR
Video
1080p@30fps, 720p@120fps, HDR
Modules
16 MP, f/2.5, (wide), 1/3.06" 1.0µm
Battery & Charging
Type
Li-Po 5065 mAh
Charging
67W wired, PD3.0, QC3, 100% in 42 min
Features & Sensors
Sensors
Fingerprint (side-mounted), accelerometer, gyro, compass, barometer
Audio & Sound
Loudspeaker
Yes, with stereo speakers
3.5mm jack
No
Build & Design
Dimensions
161.9 x 76.9 x 8.3 mm (6.37 x 3.03 x 0.33 in)
Weight
205 g (7.23 oz)
Build
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5)
S I M
Nano-SIM + Nano-SIM
Communication
W L A N
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
5.2, A2DP, LE
Positioning
GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC
N F C
Yes
Infrared port
Yes
Radio
No
U S B
USB Type-C 2.0, OTG
Launch Information
Announced
2021, April 27
Status
Available. Released 2021, April 30
Miscellaneous
Colors
Black, Gray, Silver, Bruce Lee Yellow
Models
M2012K10C, M2104K10AC