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 HighlightsRedmi K40Redmi K30
Price₹24,000₹23,500
ProcessorQualcomm Snapdragon 870Qualcomm Snapdragon 730G
Display6.67", FHD+ AMOLED, 120Hz6.67", FHD+ IPS LCD, 120Hz
Rear Camera48MP (Wide-angle), 8MP (Ultra-wide), 5MP (Macro), 20MP (Front)64MP (Wide-angle), 8MP (Ultra-wide), 2MP (Depth), 2MP (Macro), 20MP (Front)
Battery4520mAh, 33Watt, Charger in the box4500mAh, 27Watt, Charger in the box
RAM/Storage6GB (LPDDR5), 128GB (UFS 3.1)6GB (LPDDR4X), 64GB (UFS 2.1)
10/10

Comparison Score

Redmi K40

₹24,000

VS
8.6/10

Comparison Score

Redmi K30

₹23,500

VS
VS
VS
Redmi K40

₹24,000

VS
Redmi K30

₹23,500

VS
VS
VS

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

ProcessorQualcomm Snapdragon 870Qualcomm Snapdragon 730G
Display6.67", FHD+ AMOLED, 120Hz6.67", FHD+ IPS LCD, 120Hz
Camera48MP (Wide-angle), 8MP (Ultra-wide), 5MP (Macro), 20MP (Front)64MP (Wide-angle), 8MP (Ultra-wide), 2MP (Depth), 2MP (Macro), 20MP (Front)
Battery4520mAh, 33Watt, Charger in the box4500mAh, 27Watt, Charger in the box
RAM6GB (LPDDR5)6GB (LPDDR4X)
Storage 128GB (UFS 3.1) 64GB (UFS 2.1)

General

Box ContentsPhone, 33W Charger, Type-C Cable, Case, SIM Ejector ToolPhone, 27W Charger, Type-C Cable, SIM Ejector Tool
ColorsGlossy Black, Icy White, DreamlandPhoenix Red, Matrix Purple, Atlantis Blue
LaunchFebruary 25, 2021December 10, 2019
Stores
Launch CountryChinaChina
Launch Price₹24,000₹23,500

Display

🏆 Winner: Redmi K40

Display TypeAMOLEDIPS LCD
Refresh Rate120Hz120Hz
Playback QualityHDR10+HDR10
Display EngineE4-
Touch Sampling Rate360Hz-
Display Size6.67 inches6.67 inches
Area107.4cm²107.4cm²
Display Form FactorFlat DisplayFlat Display
Screen to Body Ratio85.984.8
Resolution Width1080 pixels1080 pixels
Resolution Height2400 pixels2400 pixels
Aspect Ratio20:920:9
Pixel Density395ppi395ppi
Display Bit Rate8-bit8-bit
Color Gamut Range100%100%
Display ResolutionFHD+FHD+
High Brightness1300 nits-
Peak Brightness1300 nits800 nits
Contrast Ratio5,000,000:1-
Colour GamutDCI-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

Height163.7mm165.3mm
Width76.4mm76.6mm
Thickness7.8mm8.8mm
Weight196 grams208 grams
Screen MaterialGorilla Glass 5Glass
Display ProtectionGorilla Glass 5Gorilla Glass 5
Back MaterialPlasticGlass
Side MaterialPlastic FrameAluminium Frame
Build QualityCorning Gorilla Glass 5Corning Gorilla Glass 5
PortsUSB Type-CUSB Type-C 2.0
Additional FeaturesOTG3.5mm Headphone Jack, OTG
Speaker24-bit/192kHz Hi-Res Audio, Hi-Res Audio (wired and wireless), Stereo SpeakersMono Speaker
Sound TuningDolby AtmosNo Tuning

Processor

🏆 Winner: Redmi K40

Chipset ManufacturerQualcommQualcomm
ChipsetSnapdragon 870Snapdragon 730G
Fabrication Size7nm8nm
Number of CoresOcta-coreOcta-core
Clock Speed1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 5852x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver
GPUAdreno 650Adreno 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 Megapixel48MP64MP
Main Camera #1 Aperturef/1.79f/1.9
Main Camera #1 Focal Length26mm26mm
Main Camera #1 Pixel Size0.8µm0.8µm
Main Camera #1 Lens TypeWide-angleWide-angle
Main Camera #1 Camera SensorSony IMX582-
Main Camera #1 Sensor Size1/2"1/1.72"
Main Camera #1 Camera FeaturesPDAF-
Main Camera #2 Megapixel8MP8MP
Main Camera #2 Aperturef/2.2f/2.2
Pixel Size1.12µm1.12µm
Main Camera #2 Field of View119-
Main Camera #2 Lens TypeUltra-wideUltra-wide
Main Camera #3 Megapixel5MP2MP
Main Camera #3 Aperturef/2.4f/2.4
Main Camera #3 Focal Length50mm-
Main Camera #3 Lens TypeMacroDepth
FeaturesCinematic Mode, Dual View, HDR, LED Flash, Night Mode, Panorama, Portrait Mode, Professional Mode, Slow Motion, Time LapseDual LED Flash, HDR
Camera StabilizationEISEIS
Dynamic Video Recording SupportSDR recordingSDR recording
Slow Motion Recording960 fps slomo960 fps slomo
Auto Focus TypePDAFPDAF
Dedicated Imaging ChipNo Chip-
Lens EnhancementsNo enhancementNo enhancement
Video Featuresgyro-EISgyro-EIS
Video Recording1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 1080p@960fps, 4K@30fps, 720p@120fps, 720p@240fps, 720p@30fps, 720p@960fps1080p@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 NameAndroidAndroid
OS Version1110
OS SkinRedmi MIUIRedmi MIUI
OS Updates2 year(s)3 year(s)
Security Updates3 year(s)3 year(s)
AI FeaturesAI Beauty, AI Camera-
Gaming Mode-Yes
Desktop Mode-Yes
AI Frame Interpolation-Yes

Selfie Camera

🏆 Winner: Redmi K40

Front Camera #1 Megapixel20MP20MP
Front Camera #1 Aperturef/2.5f/2.2
Front Camera #1 Pixel Size0.8µm0.8µm
Front Camera #1 Lens TypeWide-
Front Camera #1 Sensor Size1/3.4"1/3.4"
FeaturesFilters, Gesture Selfie, HdR, Night mode, panorama, Portrait Mode-
Auto Focus TypeFixed Focus-
Video Features1080p@30fps, 720p@120fps, 720p@30fps1080p@30fps
Video Recording1080@30fps, 720p@30fps1080@30fps
HDR Recording SupportSDR recordingSDR 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 Capacity4520mAh4500mAh
Battery TypeLithium PolymerLithium Polymer
Charging Speed Wired33W27W
Charging Standards SupportedPD3.0, QC3.0-
Bypass Charging Support-Yes

Network

Sim TypeDual SIM (nano-SIM, dual stand-by)Dual SIM (nano-SIM, dual stand-by)
Network Support5G4G
Band Types5G, CDMA, EVDO, GSM, LTE FDD, LTE TD, WCDMACDMA, GSM, HSPA, LTE
2G Bands1800, 1900, 800, 850, 9001800, 1900, 850, 900
3G Bands1, 2, 4, 5, 6, 8, 19850, 900, 2100
4G Bands1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 421, 3, 5, 8, 34, 38, 39, 40, 41
5G Bands1, 3, 28, 41, 77, 78 SA/NSA/Sub6-

Connectivity

🏆 Winner: Redmi K40

Wi-Fi StandardsWi-Fi 6 802.11 a/b/g/n/ac/axWi-Fi 5 802.11 a/b/g/n/ac
Wi-Fi VersionWiFi 6WiFi 5
Bluetooth Version5.15
Bluetooth CodecsAAC, LDAC, LHDCA2DP, aptX HD, LE
GPSA-GPS, AGNSS, BeiDou(B1/B2a), GALILEO (E1+E5a), GLONASS (G1), GPS (L1+L5), NavIC, QZSS (L1+L5)BDS, GPS
NFC SupportSupportedSupported
Radio-FM Radio

Features

Fingerprint ScannerSide MountedSide Mounted
Sensors on BoardAccelerometer, Ambient Light Sensor, Color Temperature Sensor, Electronic Compass, Gyroscope, Infrared Sensor, Linear Motor, Proximity Sensor, Ultrasonic Distance SensorAccelerometer, Ambient Light Sensor, Gyroscope, Proximity Sensor
Haptic FeedbackX-axis Linear Motor-
Facial Recognition2D Face Recognition2D Face Recognition

Redmi K40 Comparison with Similar Phones

Redmi K30 Comparison with Similar Phones