Huawei Watch vs Samsung Gear S2 vs Huawei P8 Lite

BASIC INFO
Model No Watch - P8 Lite
Status Available release 2015, September Available. Released 2015, May
Release Date 2015 September 2015, August 2015, May
Dimension 42 x 42 x 11.3 mm (1.65 x 1.65 x 0.44 in) 49.8 x 42.3 x 11.4 mm (1.96 x 1.67 x 0.45 in) 143 x 70.6 x 7.7 mm (5.63 x 2.78 x 0.30 in)
Weight - 47g 131 g (4.62 oz)
Colors Silver, Black, Rose Gold/ Black Leather, Steel Link Bracelet, Stainless Steel Mesh, Black-plated Link Bracelet, Alligator-pressed Brown Leather, Rose Gold-plated Link Bracelet, Wat Jet Black, Mocha Gray, Wild Orange, Oatmeal Beige, Rose Gold, and Lime Green Black, White
Body Metrial Stainless Steel 316L Stainless Steel -
W & D Proof IP67 certified - dust and water resistant - Water resistant up to 1 meter and 30 minutes - Compatible with standard 18mm straps Yes -
SIM Type No No Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Technology No cellular connectivity - GSM / HSPA / LTE
OS Android Wear, planned upgrade to 2.0 Tizen operating system. Android OS, v5.0.2 (Lollipop)
PROSESSING
Processor Quad-core 1.2 GHz Cortex-A7 Dual core 1 GHz Cortex-A7 Octa-core 1.2 GHz Cortex-A53
Chipset Qualcomm MSM8926 Snapdragon 400 Exynos 3250 Dual HiSilicon Kirin 620
GPU Adreno 305 Mali-400MP2 Mali-450MP4
MEMORY
RAM 512 MB 512 MB 2GB
Storage 4 GB 4 GB 16GB
Card Slot No - up to 256 GB (dedicated slot)
DISPLAY
Size 1.4 inch 1.2 inch 5 inches
Type AMOLED capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors
Resolation 400 x 400 Pixels 360 x 360 Pixels 720 x 1280 pixels
PPI 286ppi 302 ppi 294 ppi pixel density
Multi touch Yes Yes Yes
Protection Sapphire crystal glass, Always-on screen Corning Gorilla Glass 3 Corning Gorilla Glass 3
CAMERA
Primary No - 13 MP, f/2.0, 27mm, autofocus, dual-LED flash, check quality
Video - - 1080p@30fps,
Flash - - LED flash
Features - - Geo-tagging, touch focus, face/smile detection, panorama, HDR
Selfie - - 5 MP, 720p
BATTERY
Battery Li-ion 250 mAh battery Li-Ion
Capacity 300 mah - 2200 mAh
Removable Non-Removable - Non-removable
StandBy Upto 48 Hours - Up to 380 h (3G)
Talk Time - - Up to 11 h (3G)
Music Play - - -
Browsing - - -
Video Playback - - -
F Charging Yes - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA HSDPA HSDPA 900 / 1900 / 2100
4G Network - - LTE band 3(1800), 7(2600), 8(900), 20(800)
Speed - - HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ Wi-Fi 802.11 a/b/g/n/ Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
BlueTooth Bluetooth 4.1 Bluetooth 4.1 v4.0, A2DP, EDR, LE
USB microUSB v2.0 microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS and S GPS support and GLONASS Yes, with A-GPS and S GPS support and GLONASS Yes, with A-GPS, GLONASS
NFC - - Yes
Audio jeck - - Yes, 3.5mm
OTHERS
Sensors Accelerometer, gyro, heart rate, barometer - Accelerometer, proximity, compass
Radio No - FM radio
SARUS - - -
SAREU - - 0.39 W/kg (head) 1.02 W/kg (body)
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