Design
Screen size
The bigger the screen size is, the better the user experience.
- Imoo Watch Phone Z6 1.41"
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- Samsung Galaxy Watch Ultra 1.5
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Display type
The type of technology used in the display.
- Imoo Watch Phone Z6 lcd
- Samsung Galaxy Watch Ultra oled_amoled
Is dustproof and water-resistant
The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra water_resistant
ATM rating
The ATM rating indicates how much water pressure a device can withstand. 3 ATM is one of the lowest ratings and means that the device can only withstand splashes of water, whereas 20 ATM is one of the highest ratings and means that the device can be used for snorkeling and water sports.
- Imoo Watch Phone Z6 null
- Samsung Galaxy Watch Ultra 10_atm
Ingress Protection (IP) rating
The first number of the IP rating refers to protection against dust, while the second number refers to protection against liquid. E.g. a first number of 6 denotes that it is completely dustproof, and a second number of 7 denotes that the device can withstand full immersion in water.
- Imoo Watch Phone Z6 null
- Samsung Galaxy Watch Ultra ip68
Has branded damage-resistant glass
Damage-resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Pixel density
Pixel density is a measurement of a screen's resolution, expressed as the number of pixels per inch (PPI) on the screen. A higher pixel density translates into more clarity and sharpness for the images rendered on the screen, thus improving the quality of the viewing experience.
- Imoo Watch Phone Z6 341ppi
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- Samsung Galaxy Watch Ultra 327
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Has a display
The device has an electronic display to present information to the user.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 480 x 480
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Resolution
Resolution is an essential indicator of a screen's image quality, representing the maximum amount of pixels that can be shown on the screen. The resolution is given as a compound value, comprised of horizontal and vertical pixels.
- Imoo Watch Phone Z6 320 x 360px
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- Samsung Galaxy Watch Ultra null
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Always-On Display
The user can see information such as date, time, and notifications even when the screen is off. The functionality can be enabled or disabled.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 12.1
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Thickness
The thickness (or depth) of the product.
- Imoo Watch Phone Z6 15.9mm
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- Samsung Galaxy Watch Ultra null
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Has a touch screen
You can operate the device easily, by pressing the screen with your fingers.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 100
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Waterproof depth rating
The waterproof depth rating indicates how well the device is protected against water ingress and water pressure. Devices which can withstand more water pressure are better for swimming or diving.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 60.5
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Weight
We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
- Imoo Watch Phone Z6 66g
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- Samsung Galaxy Watch Ultra 47.4
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Height
The height represents the vertical dimension of the product.
- Imoo Watch Phone Z6 57.8mm
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- Samsung Galaxy Watch Ultra 47.4
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Width
The width represents the horizontal dimension of the product.
- Imoo Watch Phone Z6 44.7mm
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- Samsung Galaxy Watch Ultra 55
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Maximum operating temperature
The maximum temperature at which the device can perform to the optimal level.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra -20
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Lowest potential operating temperature
The minimum temperature at which the device can perform to the optimal level.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra null
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Has sapphire glass display
Sapphire crystal glass is an extremely durable material, which is surpassed only by diamond in terms of hardness. A sapphire crystal display is stronger and more scratch resistant than toughened glass such as Corning Gorilla Glass.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 27.185796
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Volume
Volume is the quantity of three-dimensional space enclosed by the product's chassis or, in simpler terms, the space the product occupies.
- Imoo Watch Phone Z6 41.080194cm³
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- Samsung Galaxy Watch Ultra null
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Maximum altitude
The device has a higher maximum operating altitude, meaning that you can take it to higher locations without worrying about it malfunctioning.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 29527
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Sensors
Monitors blood oxygenation levels
Your blood oxygen level is a measurement how much oxygen is reaching your muscles. It is important because low levels mean that you will become easily fatigued during exercise. The more exercise you do, the better your blood oxygen levels will become.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has a heart rate monitor
A heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has a temperature sensor
With a temperature sensor you can monitor changes in temperature to measure your exertion levels and avoid hyperthermia.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has a compass
A compass is useful for gaming, maps, and navigation software.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has a barometer
This measures barometric air pressure. It can predict weather changes, for example a sudden drop in air pressure could mean a storm is coming. When calibrated correctly it can be used to determine altitude, which helps GPS devices to lock on quicker and with greater accuracy.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has a gyroscope
A gyroscope is a sensor that tracks the orientation of a device, more specifically by measuring the angular rotational velocity. Initially, they were built using a spinning rotor to detect changes in orientation, like twisting or rotation.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Activity tracking
Tracks elevation
It can detect changes in elevation, such as when you are climbing stairs.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has multi-sport mode
A multi-sport mode allows you to easily switch between tracking different sports such as running, cycling, and swimming. This feature is ideal for those who need to change quickly between various activities (e.g., triathletes).
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Designed for golf
This watch comes preloaded with thousands of courses, showing exact yardages to the front, back and middle of greens along with a scorecard and shot distance calculator.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Connectivity
Is compatible with Android
It is compatible with a range of Android devices such as smartphones and tablets.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Bluetooth version
Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra null
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Supports Wi-Fi
The device can connect to Wi-Fi.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 5.4
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Wi-Fi version
The Wi-Fi versions supported by the device.
- Imoo Watch Phone Z6 wifi_4
- Samsung Galaxy Watch Ultra
Supports ANT+
ANT+ is a wireless protocol similar to Bluetooth Smart, and is very power efficient. It is mainly used for fitness monitoring devices such as heart rate monitors and cadence sensors to connect to other devices (e.g., sports watches, smartphones, and cycling computers).
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra wifi_4, wifi_5
SIM cards
The number and type of SIM cards supported.
- Imoo Watch Phone Z6 1_esim
- Samsung Galaxy Watch Ultra
Has NFC
NFC (near-field communication) allows a device to perform simple wireless transactions, such as mobile payments. Note: this feature may not be available in all markets.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra 1_esim
Supports Galileo
Galileo is a global navigation satellite system (GNSS) that is similar to GPS. Supported devices can use a combination of Galileo and GPS for location-based services such as Google Maps, and tend to be around 30% more accurate than GPS-only devices.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Battery
Battery life
With a longer battery life, you don’t have to worry about charging the device as often.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 4
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Battery power
Battery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.
- Imoo Watch Phone Z6 680mAh
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- Samsung Galaxy Watch Ultra 590
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Battery life in power save mode
In power save mode you can still check what time it is and other basic functions. A long battery life is good if you wear the device day to day.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 100
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Has wireless charging
It supports a wireless charging standard such as Qi. To charge the device, you simply put it down on a compatible charging pad.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Features
Has irregular heart rate warnings
Through continuous heart rate monitoring, the device is able to detect an irregular heartbeat and alert the user.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has ECG technology
ECG stands for electrocardiogram and measures the electrical activity of the heartbeat, which is a more in-depth reading of heart health than blood pressure alone. Note: This feature may not be available in all markets.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has fall detection
Fall detection is a feature that relies on accelerometers and other sensors to differentiate between regular movement and a fall. If the wearer falls, the device can perform functions such as sounding an alarm or displaying an alert.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has smart alarm
It determines when you are in a light state of sleep and wakes you up within a set period of time before your alarm. This can allow you to wake up feeling fresher and more alert.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has voice commands
You can use your voice to control key functions of the device and you can easily access your device without pushing any button.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
RAM
Random-access memory (RAM) is a form of volatile memory used to store working data and machine code currently in use. It is a quick-access, temporary virtual storage that can be read and changed in any order, thus enabling fast data processing.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra null
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Internal storage
The internal storage refers to the built-in storage space available in a device for system data, apps, and user-generated data. With a large amount of internal storage, you can save more files and apps on your device.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra null
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CPU speed
The CPU speed indicates how many processing cycles per second can be executed by a CPU, considering all of its cores (processing units). It is calculated by adding the clock rates of each core or, in the case of multi-core processors employing different microarchitectures, of each group of cores.
- Imoo Watch Phone Z6 x GHz
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- Samsung Galaxy Watch Ultra null
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Acquires GPS faster
It can periodically download data on the future position of GPS satellites. This enables it to lock on much faster, so you don’t have to wait around to get a GPS fix.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Warranty period
When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction. Note: This may vary by region.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 2
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Semiconductor size
Small semiconductors provide better performance and reduced power consumption. Chipsets with a higher number of transistors, semiconductor components of electronic devices, offer more computational power. A small form factor allows more transistors to fit on a chip, therefore increasing its performance.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra 32
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Maximum amount of external memory supported
The maximum amount of external storage memory supported by the the device.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra null
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DirectX version
DirectX is used in games, with newer versions supporting better graphics.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra null
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Megapixels (front camera)
The number of megapixels determines the resolution of the images captured with the front camera. A higher megapixel count means that the front camera is capable of capturing more details, an essential factor for taking high-resolution selfies.
- Imoo Watch Phone Z6 5MP
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- Samsung Galaxy Watch Ultra null
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Megapixels (main camera)
The number of megapixels determines the resolution of the images captured with the main camera. A higher megapixel count means that the camera is capable of capturing more details. However, the megapixel count is not the only important element determining the quality of an image.
- Imoo Watch Phone Z6 8MP
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- Samsung Galaxy Watch Ultra null
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Has a front camera
A front camera, also called secondary camera, can be used for video chats/selfies.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra null
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App & Software
Free app
You can download the app for free, from platforms such as Google Play or the App Store.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has exercise diary
It has an exercise diary, allowing you to easily keep track of your previous workouts.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Ad-free
Adverts can be distracting and obtrusive. Apps and blogs without ads are more aesthetically pleasing, nicer to use, and make the content stand out.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has coaching
The app can determine the best way for you to progress in your exercise, and offers coaching advice.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has temperature tracking
You can keep track of your temperature. Temperature data can be used to help work out the most likely time you will be ovulating.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has period notifications
You get a notification when you are due to get your period.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Supports routes
You can create or find existing routes to sync to the app.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Syncs with existing calendars
You can sync your data to standard calendar apps, such as Apple’s Calendar or Google Calendar.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has voice feedback
It has voice feedback during your workouts, helping you stay up-to-date on your progress and encouraging you as you exercise.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has music playback
You can listen to your own music when working out. This can make exercising more enjoyable and motivate you to push yourself further.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Displays fertile window notifications
The app integrates an ovulation calendar, regularly updated based on the information you add about your menstrual cycle. With the help of the ovulation calendar, the app estimates the approximate dates when you may ovulate and be fertile, and notifies you.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has food diary
A food diary allows you to easily keep track of the food you have consumed, an important part of staying healthy and losing weight.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Includes maps
It includes localized maps to help you see the information easily at a glance. Usually, you can zoom in on the maps and see the desired location with more detail.
- Imoo Watch Phone Z6 null
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- Samsung Galaxy Watch Ultra
Predicts ovulation
The app uses your menstruation data to predict the date of your ovulation, which usually lasts 24-48 hours. This is useful if you are trying to conceive, as your fertility increases around ovulation.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Predicts start date
The app uses your data to predict future period start dates.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Supports widgets
You can add widgets to the home screen. This allows you to have more flexibility and to see information at a glance, without going into the app.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Can be personalised
You can personalize the appearance of the app - for example, choosing a different theme or colors.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Tracks BMI
BMI (body mass index) is a measurement of body shape determined by the person’s height and weight. Being able to track your BMI is useful as you can track your progress in achieving the ideal weight for your height.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Miscellaneous
Has aptX
aptX is a codec used for transmitting audio wirelessly with Bluetooth. It is developed by Qualcomm, and supports 16-bit audio at a bit rate of 384kbps.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Is compatible with Windows
It is compatible with PCs and laptops running the Windows operating system.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has an external memory slot
The device has a standard memory slot (such as an SD or micro SD card slot) that enables you to extend the built-in internal storage with affordable memory modules, or easily retrieve data, such as photographs, from the memory card.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Is compatible with Mac OS X
It is compatible with Mac OS X devices such as MacBooks and iMacs.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra
Has a socket for a 3.5 mm audio jack
With a standard mini jack socket, you can use the device with most headphones.
- Imoo Watch Phone Z6
- Samsung Galaxy Watch Ultra