Apple Watch 2 vs Apple Watch vs Apple Watch Sport

BASIC INFO
Model No - Watch 38mm -
Status Exp. release 21st march 2016, Available Available. Released 2015, April
Release Date 2016, March Released 2015, May 2014, September
Dimension - 38.6 x 33.3 x 10.5 mm (1.52 x 1.31 x 0.41 in) 38.6 x 33.3 x 10.5 mm
Weight - 40 g body (2.72 oz) 62 g (25 g body) (2.19 oz)
Colors Black, White Various Silver/White, Orange, Blue; Gray/Black; Rose Gold/Lavender, Stone; Gold/White, Blue
Body Metrial - Stainless Steel/Ceramic back -
W & D Proof - Yes -
SIM Type - No No
Technology No cellular conectivity No cellular connectivity No cellular connectivity
OS iOS Supported watchOS 1.0, upgradable to 4.1 watchOS 1.0, upgradable to v2.1
PROSESSING
Processor Apple A6 520 MHz Cortex-A7 520 MHz
Chipset - Apple S1 Apple S1
GPU - PowerVR SGX543 PowerVR SGX543
MEMORY
RAM - 512 MB 512 MB
Storage - 8 GB 8GB
Card Slot 8GB 8GB No
DISPLAY
Size 390 x 312 pixels 40mm 1.5 inches 38mm 1.35 inches
Type Ritina Display capacitive touchscreen, 16M colors AMOLED capacitive touchscreen, 16M colors Ritina Display capacitive touchscreen, 16M colors
Resolation - 340 x 272 pixels 340 x 272 pixels
PPI - 290 ppi density 290 ppi pixel density
Multi touch - - Yes
Protection - Sapphire crystal glass, 3D Touch display Ion-X strengthened glass, Force Touch display
CAMERA
Primary - No -
Video - No -
Flash - - -
Features - - -
Selfie - - -
BATTERY
Battery standerd mAh battery Li-Ion Li-Ion battery
Capacity - 205 mAh 205 mAh
Removable - Non-removable Non-removable
StandBy - - Up to 18 h (mixed usage)
Talk Time - - Up to 3 h
Music Play - - -
Browsing - - -
Video Playback - - -
F Charging - No -
W Charging - No -
NETWORK
2G Network - No cellular connectivity -
3G Network - No cellular connectivity -
4G Network - - -
Speed - - -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n
BlueTooth Yes, v4.0 with A2DP Yes, 4.0, LE v4.0, LE
USB Yes, v2.0 No -
GPS Yes, with A-GPS support and GLONASS No -
NFC - Yes -
Audio jeck - - -
OTHERS
Sensors - Accelerometer, gyro, heart rate Accelerometer, gyro, heart rate
Radio - No No
SARUS - - -
SAREU - - -
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