Poco M8x 5G vs Vivo Y31 5G

Compare Poco M8x 5G and Vivo Y31 5G to understand which one suits your needs the best. The Poco M8x 5G is priced from ₹18,999, while Vivo Y31 5G is available at ₹19,991 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 M8x 5G vs Vivo Y31 5G Comparison Overview

Key HighlightsPoco M8x 5GVivo Y31 5G
Price₹18,999₹19,991
ProcessorQualcomm Snapdragon 4 Gen 5Qualcomm Snapdragon 4 Gen 2
Display6.9 inches, HD+ IPS LCD, 120Hz6.68 inches, HD+ LCD, 120Hz
Rear Camera50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front)50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front)
Battery7900mAh, 45W, Charger in the box6500mAh, 44W, Charger in the box
RAM/Storage4GB (LPDDR4X), 128GB (UFS 2.2)4GB (LPDDR4X), 128GB (eMMC 5.1)
10/10

Comparison Score

Poco M8x 5G

₹18,999

Lowest price since launch

VS
9.0/10

Comparison Score

Vivo Y31 5G

₹19,991

VS
VS
VS
Poco M8x 5G

₹18,999

VS
Vivo Y31 5G

₹19,991

VS
VS
VS

Reasons To Consider

→ Poco M8x 5G
checkmarkFaster processor for smoother multitasking and demanding mobile gaming - (Snapdragon 4 Gen 5)
checkmarkLarger battery capacity for longer usage - (7900mAh)
checkmarkEquipped with a dedicated optical telephoto lens - (2X Zoom)
checkmarkAdvanced display panel technology delivering vibrant colors and deep blacks - (IPS LCD)
checkmarkLarge image sensor capturing more ambient light - (1/2.76")
checkmarkFeatures an extended telephoto zoom range - (2-10X)
→ Vivo Y31 5G
checkmarkStronger water and dust protection against accidental splashes and immersion - (IP68/69 (Dust and Water Resistant))
checkmarkTougher protective glass engineered for improved drop and scratch resistance - (Guardian Glass)
checkmarkHigh peak brightness display tuned for outdoor use - (1000 nits)
checkmarkUses modern battery tech offering improved longevity and thermal efficiency - (Lithium Ion)
checkmarkCovers a wide cinematic color spectrum - (83%)
GamingSee More Details
Vivo Y31 5G100
Poco M8x 5G93
CameraSee More Details
Poco M8x 5G100
Vivo Y31 5G60
DisplaySee More Details
Vivo Y31 5G100
Poco M8x 5G69
BatterySee More Details
Poco M8x 5G100
Vivo Y31 5G83
BodySee More Details
Vivo Y31 5G100
Poco M8x 5G97

Key Specifications

ProcessorQualcomm Snapdragon 4 Gen 5Qualcomm Snapdragon 4 Gen 2
Display6.9 inches, HD+ IPS LCD, 120Hz6.68 inches, HD+ LCD, 120Hz
Camera50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front)50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front)
Battery7900mAh, 45W, Charger in the box6500mAh, 44W, Charger in the box
RAM4GB (LPDDR4X)4GB (LPDDR4X)
Storage128GB (UFS 2.2)128GB (eMMC 5.1)

General

Box ContentsPhone, 45W Charger, Type-C Cable, SIM Ejector ToolPhone, 44W Charger, Type-C Cable, SIM Ejector Tool, Case
Launch Price₹20,999₹14,999

Display

🏆 Winner: Vivo Y31 5G

Display TypeIPS LCDLCD
Refresh Rate120Hz120Hz
Playback QualitySDRSDR
Touch Sampling Rate240Hz-
Display Size6.9 inches6.68 inches
Area114.9 cm²107.4 cm²
Display Form FactorFlat DisplayFlat Display
Screen to Body Ratio86.2%84%
Resolution Width720pixels720pixels
Resolution Height1600pixels1608pixels
Aspect Ratio20:920:9
Pixel Density254ppi264ppi
Display Bit Rate8-bit8-bit
Display ResolutionHD+HD+
Typical Brightness675nits-
High Brightness825nits1000nits
Eye ProtectionTUV Rheinland certificationTUV Rheinland certification
Colour Depth16.7 Million Colours16.7 Million Colours
Color Gamut Range-83%
Peak Brightness-1000nits
Colour Gamut-NTSC

Body

🏆 Winner: Vivo Y31 5G

Height170.12 mm166.14 mm
Width78.43 mm77.01 mm
Thickness8.8 mm8.39 mm
Weight232 grams209 grams
Screen MaterialGorilla Glass 7iGlass
Display ProtectionGorilla Glass 7iGuardian Glass
Back MaterialVegan LeatherPlastic
Side MaterialPlastic FramePlastic Frame
Build QualityCorning Gorilla Glass 7iSGS 5-Star Drop Resistance
PortsUSB Type-C 2.0USB Type-C 2.0
Additional FeaturesOTGOTG, USB Type-C (bottom)
IP RatingIP64 (Dust and Water Resistant)IP68/69 (Dust and Water Resistant)
SpeakerStereo SpeakersStereo Speakers

Processor

🏆 Winner: Poco M8x 5G

Chipset ManufacturerQualcommQualcomm
ChipsetSnapdragon 4 Gen 5Snapdragon 4 Gen 2
Fabrication Size4 nm4 nm
Number of CoresOcta-coreOcta-core
Clock Speed2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A552x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55
Cooling SystemGraphite Cooling-
GPUAdreno 613Adreno 613

Performance Benchmarks

AnTuTu

653645

427408

Geekbench 6 CPU Single-Core

908

918

Geekbench 6 CPU Multi-Core

2112

2121

Operating System

OS NameAndroidAndroid
OS Version1615
OS SkinPoco HyperOSVivo Funtouch
OS Updates4 year(s)2 year(s)
Security Updates6 year(s)3 year(s)
AI FeaturesAI Assistant, AI Bokeh, AI Camera, AI Eraser, AI HDR, AI Sky, Circle to Search, GeminiAI Camera, AI Erase, AI Photo Enhance, AI Screen Translation, AI SuperLink, Circle to Search with Google
Gaming Mode-Yes

Main Camera

🏆 Winner: Poco M8x 5G

Main Camera Megapixel50MP50MP
Main Camera Aperturef/1.8f/1.8
Main Camera Lens TypeWide-angleWide-angle
Main Camera Sensor Size1/2.76"-
Main Camera Camera Features2x In-sensor Zoom, PDAFPDAF
Main Camera #2 Megapixel0.08MP0.08MP
Main Camera #2 Lens TypeAuxiliaryAuxiliary
FeaturesDual View, Film Camera Mode, HDR, LED flash, Night mode, Portrait Bokeh, Time LapseDocuments Mode, Night, panorama, Portrait mode, Pro, Slow-Mo, Underwater Photography
Dynamic Video Recording SupportSDR recordingSDR recording
Slow Motion Recording120 fps slomo120 fps slomo
Auto Focus TypePDAFPDAF
Dedicated Imaging Chip--
Max Zoom Supported2-10X-
Optical Zoom Support2X-
Video Features120fps Slo-mo, Dual VideoSlow Motion, Time-lapse Video
Video Recording1080p@30fps1080p@30fps
Main Camera #2 Aperture-f/3.0

Selfie Camera

🏆 Winner: Tie

Front Camera #1 Megapixel8MP8MP
Front Camera #1 Aperturef/2.0f/2.0
Front Camera #1 Pixel Size1.12 µm-
Front Camera #1 Lens TypeWideWide
Front Camera #1 Sensor Size1/4.0"-
FeaturesDual Video, HDR Photos, Night mode, Portrait ModeFace unlock, Night, Portrait Mode
Auto Focus TypeFixed FocusFixed Focus
Video Features1080p@30fps-
Video Recording1080@30fps1080@30fps
HDR Recording SupportSDR recordingSDR recording

Battery

🏆 Winner: Poco M8x 5G

Battery Capacity7900mAh6500mAh
Battery TypeLithium PolymerLithium Ion
Reverse Wired Charging SupportYesYes
Charging Speed Wired45W44W
Charging Speed Reverse Wired22.5W-

Battery Test Results

Charging Time (0 To 50%)

1hr 12 min

(20 to 100%)

-

Memory

🏆 Winner: Poco M8x 5G

Storage Size128128
Storage TypeUFS 2.2eMMC 5.1
RAM Size44
RAM TypeLPDDR4XLPDDR4X

Network

Sim TypeDual nano-SIM (nano-SIM, dual stand-by)Hybrid Dual SIM (2 Nano SIMs, 1 Nano SIM+1 microSD)
Network Support5G5G
Band Types5G, GSM, LTE FDD, LTE TD, WCDMA5G, GSM, LTE FDD, LTE TD, WCDMA
2G Bands3, 5, 81800, 850, 900
3G Bands1, 5, 8WCDMA 1, 5, 8
4G Bands1, 3, 5, 8, 28, 40, 41LTE 1, 3, 5, 8, 28B, 38, 40, 41
5G Bands1, 3, 5, 8, 28, 40, 78SA/NSA 1, 3, 5, 8, 28, 40, 77, 78

Connectivity

🏆 Winner: Poco M8x 5G

Wi-Fi StandardsWi-Fi 5 802.11 a/b/g/n/acWi-Fi 5 802.11 a/b/g/n/ac
Wi-Fi FeaturesHotspot, Wi-Fi DirectHotspot
Wi-Fi VersionWiFi 5WiFi 5
Bluetooth Version5.14.2
Bluetooth CodecsA2DP, LEA2DP, AAC, LE
GPSBDS, Galileo, Glonass, GPSBeidou, Galileo, Glonass, GPS, QZSS
RadioFM Radio-

Features

Fingerprint ScannerSide MountedSide Mounted
Sensors on BoardAccelerometer, Compass, IR Blaster, Proximity SensorAccelerometer, Ambient Light Sensor, E-Compass, Proximity Sensor
Haptic FeedbackVibration MotorOrdinary Motor

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