Samsung Galaxy Watch vs Samsung Galaxy Watch4

Phones Images
Samsung Galaxy Watch Samsung Galaxy Watch4
PHONES
Phone Names Samsung Galaxy Watch Samsung Galaxy Watch4
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100 - GlobalHSDPA 850 / 900 / 2100
4G bands1, 3, 5, 7, 8, 20 - Global1, 3, 5, 7, 8, 20
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 3, 5, 38, 39, 40, 41 - China-
Launch
Announced2018, August. Released 2018, August2021, August 11
StatusDiscontinuedAvailable. Released 2021, August 27
Body
BuildGlass front (Gorilla Glass DX+), stainless steel frame 316LGlass front (Gorilla Glass DX+), aluminum frame
Dimensions49 x 46 x 13 mm (1.93 x 1.81 x 0.51 in)44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)
SIMeSIMeSIM
Weight63 g (2.22 oz)30.3 g (44mm), 25.9 g (40mm) (1.06 oz)
 MIL-STD-810G compliant* 50m water resistant (IP68) Compatible with standard 22mm straps Rotating bezel *does not guarantee ruggedness or use in extreme conditionsMIL-STD-810G compliant* 50m water resistant (IP68) Compatible with standard 20mm straps ECG certified Blood pressure monitor *does not guarantee ruggedness or use in extreme conditions
Display
ProtectionCorning Gorilla Glass DX+Corning Gorilla Glass DX+
Resolution360 x 360 pixels (~278 ppi density)450 x 450 pixels (~321 ppi density)
Size1.3 inches1.4 inches
TypeSuper AMOLEDSuper AMOLED
 Always-on display Rotating bezelAlways-on display
Platform
CPUDual-core 1.15 GHz Cortex-A53Dual-core 1.18 GHz Cortex-A55
ChipsetExynos 9110 (10 nm)Exynos W920 (5 nm)
GPUMali-T720Mali-G68
OSTizen OS 5.5Android Wear OS 4, One UI Watch 5
Memory
Card slotNoNo
Internal4GB 768MB RAM, 4GB 1.5GB RAM16GB 1.5GB RAM
 eMMC-
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes
Comms
Bluetooth4.2, A2DP, LE5.0, A2DP, LE
NFCYesYes
PositioningGPS, GLONASSGPS, GLONASS, GALILEO, BDS
RadioNoNo
USBNoNo
WLANWi-Fi 802.11 b/g/nWi-Fi 802.11 a/b/g/n, dual-band
Features
SensorsAccelerometer, gyro, heart rate, barometerAccelerometer, gyro, compass, barometer, heart rate, SpO2
 Natural language commands and dictation Samsung PayNatural language commands and dictation Samsung Pay
Battery
ChargingWirelessWireless
TypeLi-Ion 472 mAh, non-removableLi-Ion 361 mAh
Misc
ColorsSilver 46mm, Midnight Black 42mm, Rose Gold 42mmBlack, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition
ModelsSM-805U, SM-805W, SM-815U, SM-815W, SM-R805F, SM-R805N, SM-R815F, SM-R815N, SM-R8050, SM-R800SM-R860, SM-R870
PriceAbout 220 EURAbout 110 EUR
Camera
 NoNo