The overall rating is based on review by our experts
| Basic Information | |
| Release Date | 4 Mar 2021 |
| Status | Available |
| Hardware & Software | |
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) |
| GPU | Adreno 660 |
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) |
| CPU Cores | 8 Cores |
| OS Version | v11, upgradable to newer MIUI / HyperOS versions |
| Fabrication | 5 nm |
| Architecture | 64 bit |
| User Interface | MIUI 12 |
| Operating System | Android |
| Performance Optimization | Flagship 5nm Snapdragon 888 platform paired with LiquidCool 3D three-dimensional graphite heat dissipation |
| Display | |
| Notch | Punch-hole |
| Features | 6.67" 120Hz Samsung E4 Super AMOLED Display, DisplayMate A+ rating, True Tone color temperature adjustment, HDR10+, 1300 nits peak brightness, Corning Gorilla Glass 5 protection |
| Brightness | 900 nits (HBM), 1300 nits (peak) |
| Resolution | 1080x2400 px (FHD+) |
| HDR Support | Yes |
| Screen Size | 6.67 inches (16.94 cm, 107.4 cm²) |
| Aspect Ratio | |
| Cameras | |
| OIS | No |
| Zoom | Digital Zoom |
| Flash | LED Flash |
| Sensor | Sony IMX686 Exmor-RS |
| Aperture | f/1.89 (wide), f/2.2 (ultrawide), f/2.4 (macro) |
| Settings | Exposure compensation, ISO control |
| Autofocus | Yes (PDAF) |
| Selfie Camera | |
| OIS | No |
| Flash | Screen Flash |
| Sensor | CMOS |
| Autofocus | Fixed Focus |
| Video FPS | 30 fps |
| Resolution | 20 MP, f/2.45, Wide Angle, Primary Camera (1/3.4", 0.8µm) |
| Camera Setup | Single Camera Setup (Ultra-tiny 2.76mm center punch-hole cutout) |
| Design | |
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame |
| Width | 76.4 mm |
| Colors | Black (Damascus pattern), White, Aurora |
| Height | 163.7 mm |
| Weight | 196 grams |
| IP Rating | IP53 |
| Thickness | 7.8 mm |
| Battery | |
| Capacity | 4520 mAh |
| USB Type | USB Type-C 2.0, USB OTG |
| Placement | Non-removable |
| Battery type | Li-Poly (Lithium Polymer) |
| Quick Charging | 33W Fast Wired Charging (100% in 52 mins advertised), Power Delivery 3.0, Quick Charge 3+ |
| Reverse Charging | No |
| Wireless Charging | No |
| Memory | |
| RAM | 6 GB / 8 GB |
| USB OTG | Yes |
| RAM Type | LPDDR5 |
| Card Slot | No |
| Storage Type | UFS 3.1 |
| Internal Storage | 128 GB / 256 GB |
| Expandable Memory | No |
| User Available Storage | |
| Network & Connectivity | |
| GPS | Yes with dual-band A-GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC |
| NFC | Yes |
| USB | Mass storage device, USB charging, USB Type-C 2.0, USB OTG |
| EDGE | Available |
| GPRS | Available |
| WLAN | Wi-Fi 6E (802.11 a/b/g/n/ac/6e), dual-band, Wi-Fi Direct, hotspot |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Sensors & Security | |
| Compass | Yes |
| Barometer | Yes |
| Gyroscope | Yes |
| Face Unlock | Yes |
| Light Sensor | 360° Ambient light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope, Color spectrum, Barometer |
| Accelerometer | Yes |
| Proximity Sensor | Yes |
| Multimedia | |
| Video | 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps; gyro-EIS, HDR10+ |
| FM Radio | No |
| Audio Jack | USB Type-C |
| Alert Types | Vibration, MP3, WAV ringtones |
| Loudspeaker | Yes, with dual stereo speakers |
| Audio Features | USB Type-C audio, dual stereo speakers tuned with Dolby Atmos, 24-bit/192kHz Hi-Res audio |
| Document Reader | |
| More | |
| Made By | China |
| Features | Flagship 5nm Qualcomm Snapdragon 888 5G Processor, 6.67" 120Hz E4 Super AMOLED Display with 1300 nits Peak Brightness, 64MP Sony IMX686 Triple Camera with 8K Video & 5MP Telemacro, Dual Stereo Speakers with Dolby Atmos, 4520 mAh Battery with 33W Fast Charging, Wi-Fi 6E, NFC, Infrared Port, IP53 Dust and Splash Resistance |
The Xiaomi Redmi K40 Pro elevates the flagship-killer formula to genuine flagship territory, packing Qualcomm's premier Snapdragon 888 5G processor, an acclaimed Samsung E4 Super AMOLED 120Hz display, a 64MP Sony IMX686 camera supporting 8K video recording, and Dolby Atmos dual stereo speakers, available via unofficial import channels in Bangladesh. It features a top-of-the-line 6.67-inch FHD+ (1080 x 2400 pixels) Samsung E4 Super AMOLED panel with an ultra-tiny 2.76mm center punch-hole, 120Hz refresh rate, 360Hz touch sampling, HDR10+ support, up to 1300 nits peak brightness, DisplayMate A+ certification, and Corning Gorilla Glass 5 protection on both sides. Under the hood, it is powered by the top-tier 5nm Qualcomm Snapdragon 888 5G octa-core processor coupled with up to 8GB of ultra-fast LPDDR5 RAM and up to 256GB of high-speed UFS 3.1 onboard storage. For photography, it features a triple camera array anchored by a 64MP Sony IMX686 primary wide sensor, an 8MP ultra-wide lens, and a versatile 5MP telephoto macro camera—supporting 8K video capture at 30fps and 4K at 60fps—alongside a 20MP front-facing selfie camera. Driven by a 4520 mAh battery supporting 33W fast wired charging (100% in 52 mins) via USB Type-C, a curved side-mounted fingerprint scanner, dual stereo speakers with Dolby Atmos, Wi-Fi 6E, NFC, an infrared blaster, IP53 splash resistance, and running MIUI, the Xiaomi Redmi K40 Pro delivers cutting-edge processing speed, brilliant display optics, and lightweight premium styling.
| Display Type | Super AMOLED (Samsung E4 Material), 120Hz, HDR10+ |
| Refresh Rate | 120 Hz |
| Touch Screen | Capacitive Touchscreen, Multi-touch, 360Hz touch sampling rate |
| Pixel Density | 395 ppi |
| Screen Protection | Corning Gorilla Glass 5 |
| Bezel-less Display | Yes with ultra-tiny 2.76mm center punch-hole display |
| Screen to Body Ratio | 85.9 % |
| Video FPS |
| 60 fps |
| Resolution | 64 MP, f/1.89, 26mm, Wide Angle, Primary Camera (1/1.7", 0.8µm, PDAF) + 8 MP, f/2.2, 119˚, Ultra-Wide Angle Camera + 5 MP, f/2.4, 50mm, Telephoto Macro Camera (1/5.0", 1.12µm, AF) |
| Camera Setup | Triple |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR), Night Mode 2.0, Magic Clone, Dual Video |
| Camera Features | Auto Flash, Face detection, Touch to focus, 8K video recording, Audio Zoom |
| Video Recording | 7680x4320 (8K) @ 30fps, 3840x2160 (4K) @ 30/60fps, 1920x1080 @ 30/60/120/240/960fps, gyro-EIS, HDR10+ |
| Image Resolution | 9000 x 7000 Pixels |
| Camera Features |
| HDR, AI Beautify, AI Portrait Mode, Face Unlock |
| Video Recording | 1920x1080 (1080p) @ 30fps, 720p @ 120fps |
| Ruggedness |
| Dust and splash resistant |
| Waterproof | Splash proof |
| SpecialDesign | Ultra-slim 7.8mm featherweight chassis, Damascus steel-inspired patterned back panel, curved side-mounted fingerprint scanner |
| Depends on system usage |
| VoLTE | Yes |
| Network | 2G, 3G, 4G LTE, 5G |
| Infrared | Yes |
| SIM Size | SIM1: Nano, SIM2: Nano |
| SIM Slot | Dual Nano SIM (Nano-SIM, dual stand-by, Dual 5G) |
| Bluetooth | v5.2, A2DP, LE, aptX HD, aptX Adaptive |
| Wi-fi Hotspot | Yes |
| Finger Sensor Type |
| Side-mounted capacitive curved fingerprint scanner |
| Fingerprint Sensor | Yes |
| Finger Sensor Position | Side |




