Redmi K40 vs Redmi K30
Compare Redmi K40 and Redmi K30 to understand which one suits your needs the best. The Redmi K40 is priced from ₹24,000, while Redmi K30 is available at ₹23,500 respectively. In terms of performance and features, each device offers a unique combination of processor, display, camera, and battery capabilities. Explore their complete specifications and key differences side-by-side to make a well-informed buying decision.
Redmi K40 vs Redmi K30 Comparison Overview
| Key Highlights | Redmi K40 | Redmi K30 |
|---|---|---|
| Price | ₹24,000 | ₹23,500 |
| Processor | Qualcomm Snapdragon 870 | Qualcomm Snapdragon 730G |
| Display | 6.67", FHD+ AMOLED, 120Hz | 6.67", FHD+ IPS LCD, 120Hz |
| Rear Camera | 48MP (Wide-angle), 8MP (Ultra-wide), 5MP (Macro), 20MP (Front) | 64MP (Wide-angle), 8MP (Ultra-wide), 2MP (Depth), 2MP (Macro), 20MP (Front) |
| Battery | 4520mAh, 33Watt, Charger in the box | 4500mAh, 27Watt, Charger in the box |
| RAM/Storage | 6GB (LPDDR5), 128GB (UFS 3.1) | 6GB (LPDDR4X), 64GB (UFS 2.1) |
Performance Scorecard
GamingSee More Details
Redmi K40100
Redmi K3071
CameraSee More Details
Redmi K40100
Redmi K3099
DisplaySee More Details
Redmi K40100
Redmi K3069
BatterySee More Details
Redmi K40100
Redmi K3091
BodySee More Details
Redmi K30100
Redmi K4048
Key Specifications
| Processor | Qualcomm Snapdragon 870 | Qualcomm Snapdragon 730G | ||
|---|---|---|---|---|
| Display | 6.67", FHD+ AMOLED, 120Hz | 6.67", FHD+ IPS LCD, 120Hz | ||
| Camera | 48MP (Wide-angle), 8MP (Ultra-wide), 5MP (Macro), 20MP (Front) | 64MP (Wide-angle), 8MP (Ultra-wide), 2MP (Depth), 2MP (Macro), 20MP (Front) | ||
| Battery | 4520mAh, 33Watt, Charger in the box | 4500mAh, 27Watt, Charger in the box | ||
| RAM | 6GB (LPDDR5) | 6GB (LPDDR4X) | ||
| Storage | 128GB (UFS 3.1) | 64GB (UFS 2.1) |
General
| Box Contents | Phone, 33W Charger, Type-C Cable, Case, SIM Ejector Tool | Phone, 27W Charger, Type-C Cable, SIM Ejector Tool | ||
|---|---|---|---|---|
| Colors | Glossy Black, Icy White, Dreamland | Phoenix Red, Matrix Purple, Atlantis Blue | ||
| Launch | February 25, 2021 | December 10, 2019 | ||
| Stores | ||||
| Launch Country | China | China | ||
| Launch Price | ₹24,000 | ₹23,500 |
Display
🏆 Winner: Redmi K40
| Display Type | AMOLED | IPS LCD | ||
|---|---|---|---|---|
| Refresh Rate | 120Hz | 120Hz | ||
| Playback Quality | HDR10+ | HDR10 | ||
| Display Engine | E4 | - | ||
| Touch Sampling Rate | 360Hz | - | ||
| Display Size | 6.67 inches | 6.67 inches | ||
| Area | 107.4cm² | 107.4cm² | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 85.9 | 84.8 | ||
| Resolution Width | 1080 pixels | 1080 pixels | ||
| Resolution Height | 2400 pixels | 2400 pixels | ||
| Aspect Ratio | 20:9 | 20:9 | ||
| Pixel Density | 395ppi | 395ppi | ||
| Display Bit Rate | 8-bit | 8-bit | ||
| Color Gamut Range | 100% | 100% | ||
| Display Resolution | FHD+ | FHD+ | ||
| High Brightness | 1300 nits | - | ||
| Peak Brightness | 1300 nits | 800 nits | ||
| Contrast Ratio | 5,000,000:1 | - | ||
| Colour Gamut | DCI-P3 | - | ||
| LTPO Support | - | Yes | ||
| LTPS Support | - | Yes | ||
| Anti Reflection Coating | - | Yes | ||
| Typical Brightness | - | 800 nits | ||
| Colour Depth | - | 16.7 Million Colours | ||
| LTPO Support | - | Yes | ||
| LTPS Support | - | Yes |
Body
🏆 Winner: Redmi K30
| Height | 163.7mm | 165.3mm | ||
|---|---|---|---|---|
| Width | 76.4mm | 76.6mm | ||
| Thickness | 7.8mm | 8.8mm | ||
| Weight | 196 grams | 208 grams | ||
| Screen Material | Gorilla Glass 5 | Glass | ||
| Display Protection | Gorilla Glass 5 | Gorilla Glass 5 | ||
| Back Material | Plastic | Glass | ||
| Side Material | Plastic Frame | Aluminium Frame | ||
| Build Quality | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 | ||
| Ports | USB Type-C | USB Type-C 2.0 | ||
| Additional Features | OTG | 3.5mm Headphone Jack, OTG | ||
| Speaker | 24-bit/192kHz Hi-Res Audio, Hi-Res Audio (wired and wireless), Stereo Speakers | Mono Speaker | ||
| Sound Tuning | Dolby Atmos | No Tuning |
Processor
🏆 Winner: Redmi K40
| Chipset Manufacturer | Qualcomm | Qualcomm | ||
|---|---|---|---|---|
| Chipset | Snapdragon 870 | Snapdragon 730G | ||
| Fabrication Size | 7nm | 8nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | 1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585 | 2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver | ||
| GPU | Adreno 650 | Adreno 618 | ||
| Overclocked Processor | - | Yes |
Performance Benchmarks
| AnTuTu | 818358 | 376385 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 1141 | 697 | ||
| Geekbench 6 CPU Multi-Core | 3317 | 1809 |
Main Camera
🏆 Winner: Redmi K40
| Main Camera #1 Megapixel | 48MP | 64MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/1.79 | f/1.9 | ||
| Main Camera #1 Focal Length | 26mm | 26mm | ||
| Main Camera #1 Pixel Size | 0.8µm | 0.8µm | ||
| Main Camera #1 Lens Type | Wide-angle | Wide-angle | ||
| Main Camera #1 Camera Sensor | Sony IMX582 | - | ||
| Main Camera #1 Sensor Size | 1/2" | 1/1.72" | ||
| Main Camera #1 Camera Features | PDAF | - | ||
| Main Camera #2 Megapixel | 8MP | 8MP | ||
| Main Camera #2 Aperture | f/2.2 | f/2.2 | ||
| Pixel Size | 1.12µm | 1.12µm | ||
| Main Camera #2 Field of View | 119 | - | ||
| Main Camera #2 Lens Type | Ultra-wide | Ultra-wide | ||
| Main Camera #3 Megapixel | 5MP | 2MP | ||
| Main Camera #3 Aperture | f/2.4 | f/2.4 | ||
| Main Camera #3 Focal Length | 50mm | - | ||
| Main Camera #3 Lens Type | Macro | Depth | ||
| Features | Cinematic Mode, Dual View, HDR, LED Flash, Night Mode, Panorama, Portrait Mode, Professional Mode, Slow Motion, Time Lapse | Dual LED Flash, HDR | ||
| Camera Stabilization | EIS | EIS | ||
| Dynamic Video Recording Support | SDR recording | SDR recording | ||
| Slow Motion Recording | 960 fps slomo | 960 fps slomo | ||
| Auto Focus Type | PDAF | PDAF | ||
| Dedicated Imaging Chip | No Chip | - | ||
| Lens Enhancements | No enhancement | No enhancement | ||
| Video Features | gyro-EIS | gyro-EIS | ||
| Video Recording | 1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 1080p@960fps, 4K@30fps, 720p@120fps, 720p@240fps, 720p@30fps, 720p@960fps | 1080p@120fps, 1080p@30fps, 4K@30fps, 720p@960fps | ||
| Main Camera #2 Focal Length | - | 13mm | ||
| Main Camera #2 Sensor Size | - | 1/4.0" | ||
| Main Camera #3 Pixel Size | - | 0.64µm | ||
| Main Camera #4 Megapixel | - | 2MP | ||
| Main Camera #4 Aperture | - | f/2.4 | ||
| Main Camera #4 Pixel Size | - | 0.64µm | ||
| Main Camera #4 Lens Type | - | Macro | ||
| Stereo Sound Recording Support | - | Yes | ||
| Log Video Recording Support | - | Yes |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 11 | 10 | ||
| OS Skin | Redmi MIUI | Redmi MIUI | ||
| OS Updates | 2 year(s) | 3 year(s) | ||
| Security Updates | 3 year(s) | 3 year(s) | ||
| AI Features | AI Beauty, AI Camera | - | ||
| Gaming Mode | - | Yes | ||
| Desktop Mode | - | Yes | ||
| AI Frame Interpolation | - | Yes |
Selfie Camera
🏆 Winner: Redmi K40
| Front Camera #1 Megapixel | 20MP | 20MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.5 | f/2.2 | ||
| Front Camera #1 Pixel Size | 0.8µm | 0.8µm | ||
| Front Camera #1 Lens Type | Wide | - | ||
| Front Camera #1 Sensor Size | 1/3.4" | 1/3.4" | ||
| Features | Filters, Gesture Selfie, HdR, Night mode, panorama, Portrait Mode | - | ||
| Auto Focus Type | Fixed Focus | - | ||
| Video Features | 1080p@30fps, 720p@120fps, 720p@30fps | 1080p@30fps | ||
| Video Recording | 1080@30fps, 720p@30fps | 1080@30fps | ||
| HDR Recording Support | SDR recording | SDR recording | ||
| Front Camera #1 Focal Length | - | 27mm | ||
| Front Camera #2 Megapixel | - | 2MP | ||
| Front Camera #2 Aperture | - | f/2.4 | ||
| Pixel Size | - | 1.75µm | ||
| Front Camera #2 Lens Type | - | Depth |
Battery
🏆 Winner: Redmi K40
| Battery Capacity | 4520mAh | 4500mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Polymer | Lithium Polymer | ||
| Charging Speed Wired | 33W | 27W | ||
| Charging Standards Supported | PD3.0, QC3.0 | - | ||
| Bypass Charging Support | - | Yes |
Network
| Sim Type | Dual SIM (nano-SIM, dual stand-by) | Dual SIM (nano-SIM, dual stand-by) | ||
|---|---|---|---|---|
| Network Support | 5G | 4G | ||
| Band Types | 5G, CDMA, EVDO, GSM, LTE FDD, LTE TD, WCDMA | CDMA, GSM, HSPA, LTE | ||
| 2G Bands | 1800, 1900, 800, 850, 900 | 1800, 1900, 850, 900 | ||
| 3G Bands | 1, 2, 4, 5, 6, 8, 19 | 850, 900, 2100 | ||
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 | 1, 3, 5, 8, 34, 38, 39, 40, 41 | ||
| 5G Bands | 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 | - |
Connectivity
🏆 Winner: Redmi K40
| Wi-Fi Standards | Wi-Fi 6 802.11 a/b/g/n/ac/ax | Wi-Fi 5 802.11 a/b/g/n/ac | ||
|---|---|---|---|---|
| Wi-Fi Version | WiFi 6 | WiFi 5 | ||
| Bluetooth Version | 5.1 | 5 | ||
| Bluetooth Codecs | AAC, LDAC, LHDC | A2DP, aptX HD, LE | ||
| GPS | A-GPS, AGNSS, BeiDou(B1/B2a), GALILEO (E1+E5a), GLONASS (G1), GPS (L1+L5), NavIC, QZSS (L1+L5) | BDS, GPS | ||
| NFC Support | Supported | Supported | ||
| Radio | - | FM Radio |
Features
| Fingerprint Scanner | Side Mounted | Side Mounted | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Ambient Light Sensor, Color Temperature Sensor, Electronic Compass, Gyroscope, Infrared Sensor, Linear Motor, Proximity Sensor, Ultrasonic Distance Sensor | Accelerometer, Ambient Light Sensor, Gyroscope, Proximity Sensor | ||
| Haptic Feedback | X-axis Linear Motor | - | ||
| Facial Recognition | 2D Face Recognition | 2D Face Recognition |








