What is the difference between Samsung Galaxy Watch 4 vs Galaxy Watch 3

Samsung Galaxy Watch 4 is estimated to be sold in Tanzania starting at TZS 780,000, while Samsung Galaxy Watch 3 is estimated to be sold in Tanzania starting at TZS 800,000. Price may vary in different markets in Tanzania.

Samsung Galaxy Watch 4 vs Galaxy Watch 3

Product Name

Samsung Galaxy Watch 4

Samsung Galaxy Watch 3
Product Image
Price

TZS 780,000

TZS 800,000
Our Rating

7.0

7.0
Brand

Samsung

Samsung
Category

Smartwatch

Smartwatch

General

Device Type

Watch Watch
Model

Galaxy Watch 4 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 Design Type called form factor refers to a mobile phone's size, shape, and style as well as the layout and position of major components of phone. There are three major form factors seen in mobile phones => bar phones, folding phones and sliding phones.

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 Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor)

Super AMOLED Super AMOLED
Size

1.4 inches, 6.3 cm2 (~30.4% screen-to-body ratio) 1.4 inches, 6.3 cm2 (~30.4% screen-to-body ratio)
Resolution

450 x 450 pixels 360 x 360 Pixels
Display Colors Display Colors is refers to the number of different shades of colors that the screen is capable of displaying => 64K colors, 256K colors and 16 million colors, Obviously 16M is highest available range of colors and better than others.

16M colors or more 16M colors
Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality.

455 ppi density 364 ppi density
Touch Screen

Yes Yes
Display Protection Display Protection => Gorilla Glass is a special alkali-aluminosilicate glass shield with exceptional damage resistance that helps protect mobile displays from scratches, drops, and bumps of everyday use, It is always better to go for a smartphone with Gorilla Glass for that added protection and peace of mind.

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 OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device.

Android Wear OS Tizen-based Wearable OS 5.5
User Interface UI or user interface of a device is the look and feel of the on-screen menu system. How it works, its color scheme, how it responds to button presses, all of these things are part of the user interface.

One UI Watch 3

Hardware

Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming.

Exynos W920 (5 nm) Exynos 9110 (10 nm)
CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone.

Dual-core 1.18 GHz Cortex-A55 Dual-core 1.15 GHz Cortex-A53
GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion.

Unspecified Mali-T720
RAM RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices.

1.5 GB 1 GB
Internal Storage Internal Storage is a data storage space (flash memory) mostly used in smartphones, tablets and other electronic devices where operating system, apps, music, photos, videos, files and other user data Is stored.

16 GB 8 GB
Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras.

No No
Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device.

Accelerometer, gyro, heart rate, barometer Accelerometer, gyro, heart rate, barometer

Connectivity

Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices.

5.0, A2DP, LE 5.0, A2DP, LE
Wi-fi Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world.

Wi-Fi 802.11 a/b/g/n, dual-band Wi-Fi 802.11 b/g/n
Wi-fi Hotspot Wi-fi Hotspot is a mobile feature allows your phone to share its cellular data connection by creating a Wi-Fi network.
USB

No
GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky.

Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches.
Wireless Charging Wireless Charging (Inductive Charging) uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device.

Qi wireless charging Yes, Qi wireless charging

Data

GPRS GPRS (General Packet Radio Service) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection.
EDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection.
Speed

HSPA 42.2/5.76 Mbps, LTE HSPA 42.2/5.76 Mbps, LTE

Battery

Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium.

Li-Ion (Lithium Ion) Li-Ion (Lithium Ion)
Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions.

361 mAh, Battery 340 mAh, Battery
Placement

Non-removable Non-removable