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Compare 5 products

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Apple iPhone 7 Mobile Phone
Apple iPhone 7
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OnePlus 3T Mobile Phone
OnePlus 3T
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Oppo A15 Mobile Phone
Oppo A15
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Oppo A16 Mobile Phone
Oppo A16
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realme C21 Mobile Phone
realme C21
Available colors

Hardware

Operating systemApple iOS 11Android 6.0
ColorOS 7.2
ColorOS 11.1
Android 10
CPU clock speed2.3 GHz2.35 GHz2.3 GHz2.3 GHz2.3 GHz
CPU coresQuad-coreQuad-core
N/A
8-core8-core
CPU modelApple A10 FusionQualcomm Snapdragon 821 MSM8996 ProMediaTek Helio P35MediaTek Helio G35MediaTek Helio G35
GPU modelPowerVR GT7600Qualcomm Adreno 530
N/A
N/A
N/A
RAM memory2 GB6 GB3 GB4 GB
  • 3 GB
  • 4 GB

Display

Screen size4.7 in5.5 in6.52 in6.52 in6.5 in
Touchscreenyesyes
N/A
N/A
N/A
Number of colors16.7M16.7M
N/A
16.7M
N/A
Panel typeLCDOLEDLCDLCDLCD
Resolution1334 x 750 px1080 x 1920 px1600 x 720 px1600 x 720 px1600 x 720 px
Technology
  • IPS TFT
  • Retina HD display with IPS technology
AMOLEDLCDLCDLCD
Pixel density326.0 ppi401.0 ppi269.0 ppi269.0 ppi
N/A
Screen materialFingerprint-resistant coating
N/A
N/A
Panda Glass
N/A
Dual screen supportnono
N/A
N/A
N/A
Scratch resistant displayyesyes
N/A
N/A
N/A
HDRnono
N/A
N/A
N/A
Multi touchyes
N/A
N/A
N/A
N/A

Rear camera

Primary sensor size1/3"1/2.8"
N/A
1/3.06"
N/A
Primary sensor resolution12.0 Mpx16.0 Mpx13.0 Mpx13.0 Mpx13.0 Mpx
Primary lens aperture1.8 f
N/A
N/A
N/A
N/A
Focus adjustmentAutomatic
N/A
AutomaticAutomaticAutomatic
Video recordingyesyes
N/A
N/A
N/A
Highest video resolution4096 x 2160 px3840 x 2160 px
N/A
N/A
N/A
Maximum FPS at the highest resolution30.0 fps30.0 fps
N/A
N/A
N/A
Maximum FPS (regardless of res.)240.0 fps
N/A
N/A
N/A
N/A
Max resolution (highest frame rate)1280 x 720 px
N/A
N/A
N/A
N/A
Autofocusyesyes
N/A
N/A
N/A
Burst Modeyes
N/A
N/A
N/A
N/A
Optical zoom2x
N/A
N/A
N/A
N/A
Digital zoomyes
N/A
N/A
N/A
N/A
Face detectionyes
N/A
N/A
N/A
Face recognition
Geo-taggingyesyes
N/A
N/A
N/A
Gesture Shotyes
N/A
N/A
N/A
N/A
HDR Captureyes
N/A
N/A
N/A
N/A
LED Flashyesyes
N/A
N/A
N/A
Optical image stabilizationyesyes
N/A
N/A
N/A
Panoramayes
N/A
N/A
N/A
N/A
Smile detectionyes
N/A
N/A
N/A
N/A
Touch focusyes
N/A
N/A
N/A
N/A
Resolution (second camera)
N/A
N/A
2.0 Mpx2.0 Mpx2.0 Mpx
Resolution (third camera)
N/A
N/A
2.0 Mpx2.0 Mpx2.0 Mpx
Lens aperture (second camera)
N/A
N/A
F/2.4F/2.4F/2.4
Lens aperture (third camera)
N/A
N/A
F/2.4F/2.4F/2.4
Sensor size (second camera)
N/A
N/A
N/A
1/5"
N/A
Primary Field of View (FoV)
N/A
N/A
N/A
80.0 °
N/A
Field of View (FoV) (second camera)
N/A
N/A
N/A
88.8 °
N/A
Field of View (FoV) (third camera)
N/A
N/A
N/A
88.8 °
N/A

Front camera

Primary resolution7.0 Mpx16.0 Mpx5.0 Mpx8.0 Mpx5.0 Mpx
Face detectionyes
N/A
N/A
N/A
Face recognition
HDR modeAuto HDR mode
N/A
N/A
N/A
N/A
Lens apertureF/2.2
N/A
F/2.4F/2.0F/2.2
Light sourceRetina Flash
N/A
N/A
N/A
N/A
Primary sensor size1/3"1/2.8"
N/A
1/3.06"
N/A
Primary Field of View (FoV)
N/A
N/A
N/A
80.0 °
N/A
Focus adjustmentAutomatic
N/A
AutomaticAutomaticAutomatic

Storage

Internal storage
  • 128 GB
  • 256 GB
  • 32 GB
  • 128 GB
  • 64 GB
32 GB64 GB
  • 32 GB
  • 64 GB
Memory card readernono
N/A
N/A
N/A
Types of memory card supportedNo memory slot
N/A
N/A
N/A
N/A

Design

Colour of product
  • Red
  • Rose gold
  • Gold
  • Jet black
  • Silver
  • Black
  • White
  • Brown
  • Grey
  • Pink
  • Black
  • Gold
  • Grey
  • Blue mystery
  • Dynamic black
  • Crystal black
  • Pearl blue
Cross blue
MaterialAluminumAluminum
N/A
  • Aluminium alloy
  • polymer
N/A
Water resistantyesno
N/A
N/A
N/A
Shock resistantnono
N/A
N/A
N/A
Dust resistantyes
N/A
N/A
N/A
N/A

Dimensions

Height5.44 in6.01 in6.46 in6.45 in6.5 in
Width2.64 in2.94 in2.97 in2.98 in3.01 in
Depth0.28 in0.29 in0.31 in0.33 in0.35 in
Weight4.87 oz5.57 oz6.17 oz6.7 oz6.7 oz

Connectivity

Dual sim supportnoyes
N/A
N/A
N/A
Sim card sizeNano-SIMNano-SIMNano SIMNano SIMNano SIM
DLNA certifiednoyes
N/A
N/A
N/A
Bluetoothyesyes
N/A
N/A
N/A
Bluetooth version4.24.2
N/A
N/A
N/A
Bluetooth profile
  • A2DP
  • AVRCP
A2DP
N/A
N/A
N/A
Bluetooth codec
  • AAC
  • SBC
N/A
N/A
N/A
N/A
NFCyesyes
N/A
N/A
N/A
Charging connectionLightningUSB
N/A
N/A
N/A
Video outputManufacturer specificNo
N/A
N/A
N/A
Headphone connection
N/A
3.5 mm
N/A
N/A
N/A
USB version
N/A
2.0
N/A
N/A
N/A
USB On-The-Go (OTG)
N/A
yes
N/A
N/A
N/A

Cellular

Wireless network (Wi-Fi)yesyes
N/A
N/A
N/A
Wireless networking standard
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
N/A
N/A
N/A
Data transmission
  • DC-HSDPA
  • EDGE
  • FDD-LTE
  • GPRS
  • HSPA+
  • HSUPA
  • LTE
  • LTE Advanced
  • TD-LTE
  • TDD-LTE
  • VoLTE
  • VoWiFi
HSPA+
  • FDD-LTE
  • TDD-LTE
  • VoLTE
  • FDD-LTE
  • TDD-LTE
  • VoWiFi
  • FDD-LTE
  • TDD-LTE
Navigation system
  • A-GPS
  • GLONASS
  • Galileo
  • QZSS
GLONASS
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
  • Galileo
  • QZSS
  • GPS
  • A-GPS
  • GLONASS
  • BeiDou
2G GSMyesyes
N/A
N/A
N/A
GSM frequencies
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
N/A
N/A
N/A
N/A
3G UMTSyesyes
N/A
N/A
N/A
UMTS frequences
  • 850 MHz
  • 900 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
N/A
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
CDMA frequences
  • 800 MHz
  • 1700 MHz
  • 1900 MHz
  • 2000 MHz
  • 2100 MHz
N/A
N/A
N/A
N/A
4G LTEyesyes
N/A
N/A
N/A
LTE frequencies
  • 700 MHz
  • 800 MHz
  • 850 MHz
  • 900 MHz
  • 1700 MHz
  • 1800 MHz
  • 1900 MHz
  • 2100 MHz
  • 2600 MHz
  • 2300 MHz
  • 2500 MHz
N/A
N/A
N/A
N/A
Mobile hotspotyes
N/A
N/A
N/A
N/A

Battery

Replaceable batterynono
N/A
N/A
N/A
Battery typeLithium ion
N/A
N/A
N/A
N/A
Battery capacity1960.0 mAh3400.0 mAh4230.0 mAh5000.0 mAh5000.0 mAh
Standby time240.0 h
N/A
N/A
N/A
N/A
Talk time14.0 h
N/A
N/A
34.0 h
N/A
Fast chargingnoyes
N/A
N/A
N/A
Wireless charging nono
N/A
N/A
N/A
Fast charging standard
N/A
Dash Charge
N/A
N/A
N/A

Often compared with Apple iPhone 7

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Often compared with Oppo A16

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Often compared with realme C21

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