| Model number | 
M2012K10C | 
| Brand | 
XIAOMI | 
| Color | 
Black, Gray, Silver | 
| Device Type | 
Redmi K40 Gaming Editon 5G 2021 | 
| Processor | 
Qualcomm SM8350 Snapdragon 888 (5 nm) | 
| CPU Speed | 
1×2.84 GHz Kryo 680 & 3×2.42 GHz Kryo 680 & 4×1.80 GHz Kryo 680 | 
| No of Cores | 
Octa Core | 
| GPU | 
Adreno 660 | 
| Phone Operating System | 
Android 11, MIUI 12.5 | 
| Sensors | 
Fingerprint (side-mounted) | AI face unlock 丨 Ultrasonic distance sensor | 360° ambient light sensor | acceleration sensor | gyroscope | electronic compass丨X axis linear motor | infrared remote control | 
| Phone Memory (RAM) | 
12GB LPDDR4x | 
| Storage Capacity | 
256GB UFS 3.1 high-speed storage | 
| Build | 
- Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5)
 
- Physical pop-up gaming triggers
 
 
 | 
| Protection | 
IP53, dust and splash protection | 
| Expandable Memory | 
No | 
| Phone Display Size | 
6.67 inches | 
| Display Type | 
OLED flexible direct screen, 1B colors, 120Hz, HDR10+, 500 nits (typ) | 
| Display Resolution | 
2400 x 1080 pixels | 
| HD Type | 
FHD+ | 
| Phone Rear camera | 
Triple camera:
- 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)
 
 
 | 
| Rear flash | 
LED flash | 
| Rear camera functions | 
AI watermark丨cute shooting丨magic clone丨freeze-frame clone丨document shooting mode丨AI camera丨ID card photocopying mode丨livephoto丨portrait beauty丨movie resolution丨super night scene丨street shooting mode丨continuous focus丨face Recognition丨Digital zoom丨Professional raw format丨Video HDR丨Dual view of front and rear丨Time-lapse photography丨Voice to subtitles丨Video tag丨Photograph while recording丨Video pause丨Video beauty丨Film filter丨Dual-camera video blur | 
| Front camera | 
16 MP | 
| Front flash | 
No | 
| Front camera functions | 
AI watermark丨cute shooting丨voice shutter丨front night scene丨timed photo丨movie resolution丨screen fill light丨AI separation of scenes丨face recognition丨livephoto丨AI beauty丨volume key countdown photo丨portrait mode丨Front panoramic view丨Video HDR丨Front and rear dual scenes丨Time-lapse photography丨Voice to subtitles丨Video tags丨Photographs during recording丨Video pauses丨Video beauty | 
| Video Recording | 
Rear camera:
- 4K video recording:30fps
 
- 1080p video recording:30/60fps
 
- 720p video recording:30fps
 
- 1080p slow motion video shooting:120fps
 
- 720p slow motion video shooting:120/240/960fps
 
 
Front Camera: 
- 1080p@30fps
 
- 720p@ 30fps
 
- 720p slow motion@120fps
 
 
 | 
| Battery Size | 
5065 mAh | 
| Battery Type | 
Non-removable Li-Polymer | 
| Cellular Connectivity | 
Support 5G/4G/3G/2G | 
|  Number of SIM Cards | 
Dual SIM | 
| SIM Size | 
Nano-SIM | 
| Total Number of Slots | 
1 | 
| Slot Details | 
Dual Nano SIM card | 
| Supported Network Types | 
- 5G: n1 / n3 / n28A / n41 / n77 / n78
 
- 4G: FDD-LTE: B1 / B2 / B3 / B4 / B5 / B7 / B8 / B18 / B19 / B26
 
- 4G: TDD-LTE: B34 / B38 / B39 / B40 / B41 / B42
 
- 3G: WCDMA: B1 / B2 / B4 / B5 / B6 / B8 / B19; CDMA EVDO: BC0 2G: GSM: 850/900/1800/1900MHz; CDMA 1X: BC0
 
 
 | 
| VoLTE Support | 
Support dual-card VoLTE HD voice | 
| GPS Type | 
Beidou: B1I + B2a丨GPS: L1 + L5丨Galileo: E1 + E5a 丨GLONASS: G1 丨QZSS: L1 + L5丨NavIC丨A-GPS丨Data network positioning丨Wi-Fi network positioning丨sensor assisted positioning | 
| Wireless | 
- WLAN protocol: WiFi 6, WiFi 5, WiFi 4 and 802.11a / b / g
 
- WLAN frequency: 2.4G WiFi | 5G WiFi
 
- Supports 2×2 MIMO, WiFi Direct, Miracast, 2.4G, 5G dual concurrent
 
 
 | 
| NFC | 
Multifunctional NFC | 
| Bluetooth | 
V5.2, A2DP, LE | 
| Charging Port Type | 
- USB Type-C double-sided charging interface
 
- The phone supports QC3+ / PD3.0 fast charge protocol
 
 
 | 
| Fast Charging | 
Fast charging 67W | 
| Video Playback | 
MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback 
support HDR10/10+ video | 
| Audio Playback | 
MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB 
JBL Audio quality certification丨Hi-Res Audio certification丨Hi-Res Audio Wireless certification丨Dolby Atmos | 
| Audio Jack | 
No | 
| Speaker | 
Two stereo speakers | 
| Dimensions (H x L x W) | 
161.9 x 76.9 x 8.3 mm | 
| Weight | 
205 g | 
| Contents | 
Mobile phone host丨Power adapter丨USB Type-C L-type data cable丨Mobile phone protective shell丨Film (covered on the screen)丨Pin 丨Instructions (including three packs of certificates) |