Poco F4 (12GB + 256GB) vs Redmi K40

Compare Poco F4 (12GB + 256GB) and Redmi K40 to understand which one suits your needs the best. The Poco F4 (12GB + 256GB) is priced from ₹33,999, while Redmi K40 is available at ₹24,000 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.

Poco F4 (12GB + 256GB) vs Redmi K40 Comparison Overview

Key Highlights	Poco F4 (12GB + 256GB)	Redmi K40
Price	₹33,999	₹24,000
Processor	Qualcomm Snapdragon 870	Qualcomm Snapdragon 870
Display	6.67", FHD+ AMOLED, 120Hz	6.67", FHD+ AMOLED, 120Hz
Rear Camera	64MP (Wide-angle), 8MP (Ultra-wide), 2MP (Macro), 20MP (Front)	48MP (Wide-angle), 8MP (Ultra-wide), 5MP (Macro), 20MP (Front)
Battery	4500mAh, 67Watt, Charger in the box	4520mAh, 33Watt, Charger in the box
RAM/Storage	12GB (LPDDR5), 256GB (UFS 3.1)	6GB (LPDDR5), 128GB (UFS 3.1)

Hide common features

10/10

Comparison Score

Poco F4 (12GB + 256GB)

₹33,999

8.5/10

Comparison Score

Redmi K40

₹24,000

Hide common features

Poco F4 (12GB + 256GB)

₹33,999

Redmi K40

₹24,000

Performance Scorecard

GamingSee More Details

Poco F4 (12GB + 256GB)100

Redmi K4088

CameraSee More Details

Poco F4 (12GB + 256GB)100

Redmi K4095

DisplaySee More Details

Poco F4 (12GB + 256GB)100

Redmi K4078

BatterySee More Details

Poco F4 (12GB + 256GB)100

Redmi K4074

BodySee More Details

Poco F4 (12GB + 256GB)100

Redmi K4051

Key Specifications

Processor	Qualcomm Snapdragon 870	Qualcomm Snapdragon 870
Display	6.67", FHD+ AMOLED, 120Hz	6.67", FHD+ AMOLED, 120Hz
Camera	64MP (Wide-angle), 8MP (Ultra-wide), 2MP (Macro), 20MP (Front)	48MP (Wide-angle), 8MP (Ultra-wide), 5MP (Macro), 20MP (Front)
Battery	4500mAh, 67Watt, Charger in the box	4520mAh, 33Watt, Charger in the box
RAM	12GB (LPDDR5)	6GB (LPDDR5)
Storage	256GB (UFS 3.1)	128GB (UFS 3.1)

General

Box Contents	Phone, 67W Charger, Type-C Cable, SIM Ejector Tool	Phone, 33W Charger, Type-C Cable, Case, SIM Ejector Tool
Colors	Night Black, Nebula Green, Moonlight Silver	Glossy Black, Icy White, Dreamland
Launch	June 23, 2023	February 25, 2021
Stores	Flipkart, Amazon
Launch Country	India	China
Launch Price	₹33,999	₹24,000

Best Mobile Phones Under 35000

Display

🏆 Winner: Poco F4 (12GB + 256GB)

Display Type	AMOLED	AMOLED
Refresh Rate	120Hz	120Hz
Playback Quality	HDR10+	HDR10+
Display Engine	Dot	E4
Touch Sampling Rate	360Hz	360Hz
Display Size	6.67 inches	6.67 inches
Area	107.4cm²	107.4cm²
Display Form Factor	Flat Display	Flat Display
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	10-bit	8-bit
Color Gamut Range	100%	100%
Display Resolution	FHD+	FHD+
High Brightness	900 nits	1300 nits
Peak Brightness	1300 nits	1300 nits
Eye Protection	SGS Display Certification	-
Contrast Ratio	5,000,000:1	5,000,000:1
Colour Gamut	DCI-P3	DCI-P3
Colour Depth	1 Billion Colours	-
Screen to Body Ratio	-	85.9

Best Display Mobile Phones Under 40000

Body

🏆 Winner: Poco F4 (12GB + 256GB)

Height	163.2mm	163.7mm
Width	76mm	76.4mm
Thickness	7.7mm	7.8mm
Weight	195 grams	196 grams
Screen Material	Gorilla Glass 5	Gorilla Glass 5
Display Protection	Gorilla Glass 5	Gorilla Glass 5
Back Material	Glass	Plastic
Side Material	Plastic Frame	Plastic Frame
Build Quality	POCO Shield Glass	Corning Gorilla Glass 5
Ports	USB Type-C 2.0	USB Type-C
Additional Features	Infrared Port	OTG
IP Rating	IP53 (Dust and Splash Resistant)	-
Speaker	Stereo Speakers	24-bit/192kHz Hi-Res Audio, Hi-Res Audio (wired and wireless), Stereo Speakers
Sound Tuning	Dolby Atmos	Dolby Atmos

Processor

🏆 Winner: Tie

Chipset Manufacturer	Qualcomm	Qualcomm
Chipset	Snapdragon 870	Snapdragon 870
Fabrication Size	7nm	7nm
Number of Cores	Octa-core	Octa-core
Clock Speed	1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585	1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585
Cooling System	LiquidCool Technology	-
GPU	Adreno 650	Adreno 650

Best Gaming Mobile Phones Under 40000

Performance Benchmarks

AnTuTu	818358	818358
Geekbench 6 CPU Single-Core	1141	1141
Geekbench 6 CPU Multi-Core	3317	3317

Main Camera

🏆 Winner: Poco F4 (12GB + 256GB)

Main Camera #1 Megapixel	64MP	48MP
Main Camera #1 Aperture	f/1.79	f/1.79
Main Camera #1 Focal Length	24mm	26mm
Main Camera #1 Pixel Size	0.7µm	0.8µm
Main Camera #1 Lens Type	Wide-angle	Wide-angle
Main Camera #1 Sensor Size	1/2.0"	1/2"
Main Camera #1 Camera Features	OIS, PDAF	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	119
Main Camera #2 Lens Type	Ultra-wide	Ultra-wide
Main Camera #2 Sensor Size	1/4.0"	-
Main Camera #3 Megapixel	2MP	5MP
Main Camera #3 Aperture	f/2.4	f/2.4
Main Camera #3 Focal Length	0mm	50mm
Main Camera #3 Pixel Size	0.64µm	-
Main Camera #3 Lens Type	Macro	Macro
Features	HDR	Cinematic Mode, Dual View, HDR, LED Flash, Night Mode, Panorama, Portrait Mode, Professional Mode, Slow Motion, Time Lapse
Camera Stabilization	OIS	EIS
Dynamic Video Recording Support	SDR recording	SDR recording
Slow Motion Recording	No slomo	960 fps slomo
Auto Focus Type	PDAF	PDAF
Lens Enhancements	No enhancement	No enhancement
Video Recording	1080p@30fps, 1080p@60fps, 4K@30fps, 4K@60fps	1080p@120fps, 1080p@240fps, 1080p@30fps, 1080p@60fps, 1080p@960fps, 4K@30fps, 720p@120fps, 720p@240fps, 720p@30fps, 720p@960fps
Main Camera #1 Camera Sensor	-	Sony IMX582
Dedicated Imaging Chip	-	No Chip
Video Features	-	gyro-EIS

Best Camera Mobile Phones Under 40000

Operating System

OS Name	Android	Android
OS Version	12	11
OS Skin	Poco MIUI	Redmi MIUI
OS Updates	3 year(s)	2 year(s)
Security Updates	4 year(s)	3 year(s)
AI Features	AI Camera	AI Beauty, AI Camera

Selfie Camera

🏆 Winner: Redmi K40

Front Camera #1 Megapixel	20MP	20MP
Front Camera #1 Aperture	f/2.45	f/2.5
Front Camera #1 Focal Length	23mm	-
Front Camera #1 Pixel Size	1µm	0.8µm
Front Camera #1 Sensor Size	1/3.06"	1/3.4"
Video Features	1080p@30fps	1080p@30fps, 720p@120fps, 720p@30fps
Video Recording	1080@30fps	1080@30fps, 720p@30fps
Front Camera #1 Lens Type	-	Wide
Features	-	Filters, Gesture Selfie, HdR, Night mode, panorama, Portrait Mode
Auto Focus Type	-	Fixed Focus
HDR Recording Support	-	SDR recording

Best Camera Mobile Phones Under 40000

Battery

🏆 Winner: Poco F4 (12GB + 256GB)

Battery Capacity	4500mAh	4520mAh
Battery Type	Lithium Polymer	Lithium Polymer
Charging Speed Wired	67W	33W
Charging Standards Supported	-	PD3.0, QC3.0

Best Battery Mobile Phones Under 40000

Network

Sim Type	Dual SIM (nano-SIM, dual stand-by)	Dual SIM (nano-SIM, dual stand-by)
Network Support	5G	5G
Band Types	5G, GSM, HSPA, LTE	5G, CDMA, EVDO, GSM, LTE FDD, LTE TD, WCDMA
2G Bands	1800, 1900, 850, 900	1800, 1900, 800, 850, 900
3G Bands	1, 2, 4, 5, 6, 8, 19	1, 2, 4, 5, 6, 8, 19
4G Bands	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 40, 41	1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
5G Bands	1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78	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 6 802.11 a/b/g/n/ac/ax
Wi-Fi Version	WiFi 6	WiFi 6
Bluetooth Version	5.2	5.1
Bluetooth Codecs	A2DP, AAC, LE, SBC	AAC, LDAC, LHDC
GPS	BDS (B1I+B2a), GLONASS (L1), GPS (L1+L5), NavIC (L5), QZSS (L1+L5)	A-GPS, AGNSS, BeiDou(B1/B2a), GALILEO (E1+E5a), GLONASS (G1), GPS (L1+L5), NavIC, QZSS (L1+L5)
NFC Support	Supported	Supported

Features

Fingerprint Scanner	Side Mounted	Side Mounted
Sensors on Board	Accelerometer, Ambient Light Sensor, Gyroscope, IR Blaster, Proximity Sensor	Accelerometer, Ambient Light Sensor, Color Temperature Sensor, Electronic Compass, Gyroscope, Infrared Sensor, Linear Motor, Proximity Sensor, Ultrasonic Distance Sensor
Haptic Feedback	X-axis Linear Motor	X-axis Linear Motor
Facial Recognition	2D Face Recognition	2D Face Recognition