Compare specs
network
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Technology
GSM / HSPA / LTE
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2G bands
GSM 900 / 1800
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3G bands
HSDPA 900 / 2100
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4G bands
2, 4, 5 - USA
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Speed
HSPA, LTE
launch
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Announced
2017, March
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Status
Available. Released 2017, May
body
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Dimensions
49 x 46 x 12.9 mm (1.93 x 1.81 x 0.51 in)
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Weight
57 g (2.01 oz)
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Build
Glass front (Gorilla Glass SR+), stainless steel 316L frame
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SIM
eSIM
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Samsung Pay
IP68 dust/water resistant (up to 1.5m for 30 mins)
Compatible with standard 22mm straps
display
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Type
Super AMOLED capacitive touchscreen, 16M colors
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Size
1.3 inches, 5.5 cm2 (~24.2% screen-to-body ratio)
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Resolution
360 x 360 pixels, 1:1 ratio (~392 ppi density)
platform
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OS
Tizen-based wearable platform 4.0
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Chipset
Exynos 7 Dual 7270 (14 nm)
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CPU
Dual-core 1.0 GHz Cortex-A53
memory
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Card slot
No
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Internal
4GB 768MB RAM
sound
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Loudspeaker
Yes
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3.5mm jack
No
comms
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WLAN
Wi-Fi 802.11 b/g/n
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Bluetooth
4.2, A2DP, LE
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GPS
Yes, with A-GPS, GLONASS
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NFC
Yes
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USB
No
features
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Sensors
Accelerometer, gyro, heart rate, barometer
battery
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Non-removable Li-Ion 380 mAh battery
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Charging
Qi wireless charging