Energizer Energy E551S vs Realme Watch 2 Pro
Energizer Energy E551S
Realme Watch 2 Pro
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Network
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2G networkGSM 850, 900, 1800, 1900N/A
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3G networkHSDPA 900, 2100N/A
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700)N/A
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HSDPA speed42.2 Mbps-
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HSUPA speed11.5 Mbps-
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSClass 12No
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EDGEClass 12No
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Availability
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Oficially announced2019-22021-05
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Status2019-22021-05
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Design
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BuildPlasticGlass front, plastic back, plastic frame
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SIMHybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)No
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Height-38.9 mm
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Width-25.2 mm
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Thickness-12.7 mm
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Weight-40 g
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Waterproof-IP68 (up to 1.5m)
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Dust proof-IP68
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ColorsBlackGray, Silver
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Display
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Display typeTFT capacitive touchscreenIPS LCD
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Physical size5.5 inches1.75 inches
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Resolution480 x 854 pixels320 x 385 pixels
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Pixel density178 ppi286 ppi
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Display colors16777216-
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ProtectionScratch resistant-
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MultitouchYes-
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Display features-600 nits (peak)
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Hardware
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CPUQuad-core 1.25 GHz Cortex-A53
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ChipsetMediatek MT6737M-
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GPUMali-T720MP2-
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Internal storage8 GB-
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Memory RAM1 GB-
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max64 GB-
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Storage-eMMC 4.5
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OS
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OSAndroid 8.0 Oreo Go Edition-
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Main camera
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Main camera8 MP
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Primary camera resolution3264 x 2448 pixels-
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Primary camera video720p@30fps-
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Primary camera flashLED flash-
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Camera featuresAutofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, scene-mode-
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Selfie camera
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Selfie camera5 MP
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Selfie camera resolution2560 x 1920 pixels-
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Sound
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3.5mm jackYesNo
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LoudspeakerYesNo
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EarpieceYes-
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Multimedia
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RadioFM RadioNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nNo
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0No
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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NFC-No
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GPSYes, with A-GPSYes, dual-band
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Features
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SensorsAccelerometerAccelerometer, heart rate, SpO2
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2500 mAh390 mAh
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Battery removable-Non-removable
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Cost
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Price-70 USD
