Samsung Galaxy Watch 4 vs Galaxy Watch 3
Comparing 2 products
Basic Information
General Overview
Device Type
Watch
Watch
Model
SM-R860, SM-R870
SM-R850, SM-R840, SM-R855F, SM-R845F, SM-R855U, SM-R845U
Announced
2021, August
2020, August
Released
2021, August
2020, August
Status
Available
Available
Design
Type
Bar
Bar
Dimensions
44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)
46.2 x 45 x 11.1 mm (1.82 x 1.77 x 0.44 in)
Weight
30.3 (44mm), 25.9 g (40mm) (1.06 oz)
53.8 (45mm), 48.2 g (41mm), 43 g (45mm tt.) (1.90 oz)
Protection
Glass front (Gorilla Glass DX+), aluminum frame
Glass front (Gorilla Glass DX), stainless steel frame 316L
Colors
Black, Pink Gold, Silver, Green
Mystic Bronze, Mystic Black, Mystic White
Display
Display Type
Super AMOLED
Super AMOLED
Size
1.4 inches
1.4 inches, 6.3 cm2 (~30.4% screen-to-body ratio)
Resolution
450 x 450 pixels
360 x 360 Pixels
Display Colors
16M colors or more
16M colors
Pixel Density
455 ppi density
364 ppi density
Touch Screen
Yes
Yes
Display Protection
Corning Gorilla Glass DX+
Corning Gorilla Glass DX
Features
Always-on display
MIL-STD-810G compliant*
50m water resistant (IP68)
ECG certified
Blood pressure monitor
Always-on display
Software
OS
Android Wear OS
Tizen-based Wearable OS 5.5
User Interface
One UI Watch 3
-
Hardware
Chipset
Exynos W920 (5 nm)
Exynos 9110 (10 nm)
CPU
Dual-core 1.18 GHz Cortex-A55
Dual-core 1.15 GHz Cortex-A53
GPU
Mali-G68 MC4
Mali-T720
RAM
1.5 GB
1 GB
Internal Storage
16 GB
8 GB
Card Slot
No
No
Sensors
Accelerometer, gyro, heart rate, barometer
Natural language commands and dictation
Samsung Pay
Accelerometer, gyro, heart rate, barometer
Connectivity
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
Wi-fi
Wi-Fi 802.11 a/b/g/n, dual-band
Wi-Fi 802.11 b/g/n
Wi-fi Hotspot
No
No
USB
No
No
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC
Yes
Yes
Wireless Charging
Qi wireless charging
Yes, Qi wireless charging
Data
GPRS
Yes
Yes
EDGE
Yes
Yes
Speed
HSPA 42.2/5.76 Mbps, LTE
HSPA 42.2/5.76 Mbps, LTE
Battery
Battery Type
Li-Ion (Lithium Ion)
Li-Ion (Lithium Ion)
Capacity
361 mAh, Battery
340 mAh, Battery
Placement
Non-removable
Non-removable