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Product comparison · 2 phones

Oppo Reno4 16.3 cm (6.4") ColorOS 7.2 4G USB Type-C 8 GB 128 GB 4015 mAh Purple vs Samsung Galaxy M21 SM-M215FZGUXSG smartphone

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  • 54specifications compared
  • 18differ
  • 36identical
  • 51known for one product only

Key differences

  • Display resolution
    • 2400 x 1080 pixels
    • 2340 x 1080 pixels
  • RAM capacity
    • 8 GB
    • 4 GB
  • Internal storage capacity
    • 128 GB
    • 64 GB
  • Rear camera type
    • Quad camera
    • Triple camera
  • Third rear camera resolution (numeric)
    • 2 MP
    • 5 MP
  • Rear camera aperture number
    • 1.7
    • 2
  • Third rear camera aperture number
    • 2.4
    • 2.2
  • Front camera resolution (numeric)
    • 32 MP
    • 20 MP

Side by side

Differences highlightedShow differences only
105 specifications
A

Oppo

Reno4 16.3 cm (6.4") ColorOS 7.2 4G USB Type-C 8 GB 128 GB 4015 mAh Purple

Model Reno4

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B

Samsung

Galaxy M21 SM-M215FZGUXSG smartphone

Model SM-M215FZGUXSG

View product
Display1 differ
Display diagonal16.3 cm (6.4")16.3 cm (6.4")
Display resolutionDiffers2400 x 1080 pixels2340 x 1080 pixels
Screen shapeFlatFlat
Display technology marketing nameKnown for oneSuper AMOLED
Panel typeOLEDOLED
Display number of coloursKnown for one16 million colours
Touchscreen typeCapacitiveCapacitive
Maximum refresh rateKnown for one60 Hz
Display brightnessKnown for one430 cd/m²
Pixel densityKnown for one409 ppi
Processoridentical
Processor cores88
Processor frequencyKnown for one2.3 GHz
Processor familyKnown for oneSnapdragon
Processor modelKnown for one720G
Processor boost frequencyKnown for one2.3 GHz
Storage2 differ
RAM capacityDiffers8 GB4 GB
Internal storage capacityDiffers128 GB64 GB
User memoryKnown for one49.5 GB
Compatible memory cardsKnown for oneMicroSD (TransFlash)
Maximum memory card sizeKnown for one128 GB
Camera6 differ
Rear camera typeDiffersQuad cameraTriple camera
Rear camera resolution (numeric)48 MP48 MP
Second rear camera resolution (numeric)8 MP8 MP
Third rear camera resolution (numeric)Differs2 MP5 MP
Rear camera aperture numberDiffers1.72
Second rear camera aperture number2.22.2
Third rear camera aperture numberDiffers2.42.2
Digital zoomKnown for one4x
Front camera typeSingle cameraSingle camera
Front camera resolution (numeric)Differs32 MP20 MP
Front camera aperture numberDiffers2.42.2
Rear camera flashYesYes
Video capture resolution (max)Known for one3840 x 2160 pixels
Maximum frame rateKnown for one30 fps
Resolution at capture speedKnown for one3840x2160@30fps
Auto focusYesYes
Rear camera sensor sizeKnown for one1/2"
Second rear camera sensor sizeKnown for one1/4"
Fourth rear camera resolution (numeric)Known for one2 MP
Rear camera resolutionKnown for one8000 x 6000 pixels
Fourth rear camera aperture numberKnown for one2.4
Second rear camera field of view (FOV) angleKnown for one119°
Flash typeKnown for oneLED
Video recording modesKnown for one720p, 1080p, 2160p
Time lapse modeKnown for oneYes
GeotaggingKnown for oneYes
Network3 differ
SIM card capabilityKnown for oneDual SIM
Mobile network generation4G4G
SIM card typeNanoSIMNanoSIM
3G standardsDiffersWCDMAUMTS
4G standardDiffersLTELTE-TDD & LTE-FDD
Wi-FiYesYes
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 5 (802.11ac)
BluetoothYesYes
Bluetooth Low Energy (BLE)Known for oneYes
Bluetooth versionDiffers5.15.0
3G bands supportedKnown for one800,850,1900,2100 MHz
4G bands supportedKnown for one800,850,900,1800,2100,2300,2500,2600 MHz
Wi-Fi DirectKnown for oneYes
Near Field Communication (NFC)Known for oneYes
Tethering (modem-mode)Known for oneYes
Subscriptionidentical
Subscription typeNo subscriptionNo subscription
Ports & interfacesidentical
USB portYesYes
USB connector typeUSB Type-CUSB Type-C
USB versionKnown for one2.0
Headphone connectivity3.5 mm3.5 mm
Messagingidentical
Short Message Service (SMS)YesYes
Multimedia Messaging Service (MMS)YesYes
E-mailYesYes
Navigationidentical
Position locationYesYes
GPS (satellite)YesYes
BeiDouYesYes
GLONASSYesYes
GalileoYesYes
Quasi-Zenith Satellite System (QZSS)Known for oneYes
Wi-Fi positioningKnown for oneYes
Design1 differ
Form factorBarBar
Product colourDiffersPurpleGreen
Performanceidentical
Video callKnown for oneYes
Fingerprint readerYesYes
Fast chargingKnown for oneYes
Fast charging technologyKnown for oneVOOC 4.0
Graphics cardKnown for oneAdreno 618
SpeakerphoneKnown for oneYes
Softwareidentical
PlatformAndroidAndroid
Operating system installedKnown for oneColorOS 7.2
User interface (UI)Known for oneColorOS 7.2
Battery1 differ
Battery capacityDiffers4015 mAh6000 mAh
Talk time (4G) (max)Known for one49 h
Browsing time (Wi-Fi) (max)Known for one22 h
Browsing time (4G) (max)Known for one22 h
Continuous audio playback timeKnown for one131 h
Continuous video playback time (max)Known for one29 h
Sensorsidentical
AccelerometerYesYes
Ambient light sensorYesYes
Proximity sensorYesYes
GyroscopeYesYes
Geomagnetic sensorYesYes
Weight & dimensions4 differ
WeightDiffers165 g188 g
WidthDiffers73.9 mm75.1 mm
DepthDiffers7.7 mm8.9 mm
HeightDiffers160.3 mm159 mm
Specific absorption rate (SAR)identical
Head SAR (EU)Known for one0.492 W/kg
Body SAR (EU)Known for one1.13 W/kg
Other featuresidentical
TouchscreenYesYes

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