Comparison between:
- Asus ZenWatch
- Huawei TalkBand B1
- Samsung Galaxy Gear 2 Neo
- Samsung Galaxy S6 Edge+
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Asus ZenWatch | Huawei TalkBand B1 | Samsung Galaxy Gear 2 Neo | Samsung Galaxy S6 Edge+ | |
 |  |  |  | |
| Model alias | WI500Q | - | SM-R381 R381 | Galaxy S6 Edge Plus SM-G928A G928A SM-G928F G928F SM-G928V G928V |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 39.8 mm 3.98 cm 0.131 ft 1.567 in | 200 mm 20 cm 0.656 ft 7.874 in | 37.9 mm 3.79 cm 0.124 ft 1.492 in | 75.8 mm 7.58 cm 0.249 ft 2.984 in |
| Height | 50.6 mm 5.06 cm 0.166 ft 1.992 in | 17 mm 1.7 cm 0.056 ft 0.669 in | 58.8 mm 5.88 cm 0.193 ft 2.315 in | 154.4 mm 15.44 cm 0.507 ft 6.079 in |
| Thickness | 9.4 mm 0.94 cm 0.031 ft 0.37 in | 10.5 mm 1.05 cm 0.034 ft 0.413 in | 10 mm 1 cm 0.033 ft 0.394 in | 6.9 mm 0.69 cm 0.023 ft 0.272 in |
| Weight | 75 g 0.17 lbs 2.65 oz | 20 g 0.04 lbs 0.71 oz | 55 g 0.12 lbs 1.94 oz | 153 g 0.34 lbs 5.4 oz |
| Volume | - | - | - | 80.75 cm³ 4.9 in³ |
| Colors | Silver Rose-gold | Black White Gray Red Green Blue | - | Black Gold White Silver |
| Body materials | - | - | Plastic | Glass Aluminium alloy |
| Certification | IP55 | IP57 | IP67 | - |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | - | - | - | Nano-SIM |
| Number of SIM cards | - | - | - | 1 |
Networks
A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.
| GSM | - | - | - | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| CDMA | - | - | - | CDMA 800 MHz(SM-G928V) CDMA 1900 MHz (SM-G928V) |
| UMTS | - | - | - | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz |
| LTE | - | - | - | LTE 1800 MHz LTE 1900 MHz LTE 2600 MHz LTE 700 MHz Class 17 (SM-G928A; SM-G928F) LTE 800 MHz (SM-G928A; SM-G928F) LTE 850 MHz (SM-G928A; SM-G928F) LTE 900 MHz (SM-G928A; SM-G928F) LTE 1700/2100 MHz (SM-G928A; SM-G928V) LTE 2100 MHz (SM-G928A; SM-G928F) LTE 700 MHz (B12) (SM-G928F) LTE 700 MHz Class 13 (SM-G928V) LTE 700 MHz (B28) (SM-G928F) LTE 2300 MHz (B30) (SM-G928A) |
Mobile network technologies and bandwidth
Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.
| Mobile network technologies | - | - | - | UMTS EDGE GPRS HSPA+ LTE Cat 9 EV-DO Rev. A |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Android Wear | Android iOS | Tizen | Android 5.1.1 Lollipop Android 6.0.1 Marshmallow Android 7.0 Nougat Android 8.0 Oreo |
| User interface (UI) | - | - | - | Edge UX |
System on Chip (SoC)
A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.
| SoC | Qualcomm Snapdragon 400 (APQ8026) | - | Samsung Exynos 3 Dual 3250 | Samsung Exynos 7 Octa 7420 |
| Process technology | 28 nm | - | 28 nm | 14 nm |
| CPU | 4x 1.2 GHz ARM Cortex-A7 | - | 2x 1.0 GHz ARM Cortex-A7 | 4x 2.1 GHz ARM Cortex-A57, 4x 1.5 GHz ARM Cortex-A53 |
| CPU bits | 32 bit | - | 32 bit | 64 bit |
| Instruction set | ARMv7-A | - | ARMv7-A | ARMv8-A |
| Level 1 cache memory (L1) | 16 KB + 16 KB | - | - | - |
| Level 2 cache memory (L2) | 1024 KB 1 MB | - | - | - |
| CPU cores | 4 | - | 2 | 8 |
| CPU frequency | 1200 MHz | - | 1000 MHz | 2100 MHz |
| GPU | Qualcomm Adreno 305 | - | ARM Mali-400 MP2 | ARM Mali-T760 MP8 |
| GPU cores | 1 | - | 2 | 8 |
| GPU frequency | 450 MHz | - | 400 MHz | 772 MHz |
| RAM capacity | 512 MB | - | 512 MB | 4 GB |
| RAM type | LPDDR2/LPDDR3 | - | - | LPDDR4 |
| RAM channels | Single channel | - | - | Double channel |
| RAM frequency | 533 MHz | - | - | 1552 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 4 GB | - | 4 GB | 32 GB 64 GB |
| - | - | - | Internal storage type - UFS 2.0 |
Display
The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.
| Type/technology | AMOLED | OLED | Super AMOLED | Super AMOLED |
| Diagonal size | 1.63 in 41.4 mm 4.14 cm | 1.4 in 35.56 mm 3.56 cm | 1.63 in 41.4 mm 4.14 cm | 5.7 in 144.78 mm 14.48 cm |
| Width | 1.15 in 29.28 mm 2.93 cm | - | 1.15 in 29.28 mm 2.93 cm | 2.79 in 70.98 mm 7.1 cm |
| Height | 1.15 in 29.28 mm 2.93 cm | - | 1.15 in 29.28 mm 2.93 cm | 4.97 in 126.19 mm 12.62 cm |
| Aspect ratio | 1:1 1:1 | - | 1:1 1:1 | 1.778:1 16:9 |
| Resolution | 320 x 320 pixels | - | 320 x 320 pixels | 1440 x 2560 pixels |
| Pixel density | 278 ppi 109 ppcm | - | 278 ppi 109 ppcm | 515 ppi 202 ppcm |
| Color depth | 24 bit 16777216 colors | - | - | 24 bit 16777216 colors |
| Display area | - | - | - | 76.78 % |
| Other features | Multi-touch Scratch resistant | - | Capacitive | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 3 2.5D curved glass screen | Futaba flexible display | - | Corning Gorilla Glass 4 Dual Edge display |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Gyroscope Heart rate | Accelerometer | Accelerometer Gyroscope Pedometer Heart rate | Proximity Light Accelerometer Compass Gyroscope Barometer Fingerprint Hall Heart rate |
| Step counter | - | - | - |
Main rear camera
The main camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor model | - | - | - | Sony IMX240 Exmor RS |
| Sensor type | - | - | - | CMOS |
| Sensor size | - | - | - | 5.95 x 3.35 mm 0.27 in |
| Pixel size | - | - | - | 1.12 µm 0.001120 mm |
| Crop factor | - | - | - | 6.34 |
| ISO | - | - | - | 50 - 3200 |
| Aperture | - | - | - | f/1.9 |
| Shutter speed | - | - | - | 10 - 1/24000 |
| Flash type | - | - | - | LED |
| Image resolution | - | - | - | 5312 x 2988 pixels 15.87 MP |
| Video resolution | - | - | - | 3840 x 2160 pixels 8.29 MP |
| Video FPS | - | - | - | 30 fps |
| Features | - | - | - | Autofocus Continuous shooting Digital zoom Optical image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode RAW Phase detection autofocus (PDAF) |
| - | - | - | Available also with Samsung S5K2P2 (ISOCELL) 1080p @ 60 fps |
Front camera
Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.
| Sensor model | - | - | - | Samsung S5K4E6 |
| Sensor type | - | - | - | ISOCELL |
| Sensor size | - | - | - | 3.2 x 2.4 mm 0.16 in |
| Pixel size | - | - | - | 1.25 µm 0.001250 mm |
| Crop factor | - | - | - | 10.82 |
| ISO | - | - | - | 50 - 1250 |
| Aperture | - | - | - | f/1.9 |
| Shutter speed | - | - | - | 1/7 - 1/9728 |
| Focal length and 35 mm equivalent | - | - | - | 2.03 mm 21.96 mm *(35 mm / full frame) |
| Field of view | - | - | - | 120 ° |
| Number of lenses | - | - | - | 4 |
| Image resolution | - | - | - | 2560 x 1920 pixels 4.92 MP |
| Video resolution | - | - | - | 1920 x 1080 pixels 2.07 MP |
| Video FPS | - | - | - | 30 fps |
| - | - | - | Auto real-time HDR Self-timer |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | - | Earpiece | - | Loudspeaker Earpiece |
| - | - | - | 192 kHz / 24-bit |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | - | No | No | No |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | - | - | - | GPS A-GPS GLONASS BeiDou |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | - | - | - | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct |
| - | - | - | VHT80 MiMO |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.0 | 4.1 | 4.0 | 4.2 |
| Features | - | - | A2DP AVRCP HFP | A2DP AVRCP EDR HFP HID HSP LE OPP PAN PBAP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | - | Micro USB | Micro USB |
| Version | - | - | 2.0 | 2.0 |
| Features | Charging | - | Charging Mass storage | Charging Host Mass storage |
| - | USB charging contactor | - | - |
Headphone jack
The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.
| Headphone jack | No | No | No | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | - | NFC | Infrared DLNA | Computer sync OTA sync Tethering NFC ANT+ |
Browser
A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.
| Browser | - | - | - | HTML HTML5 CSS 3 |
Audio file formats/codecs
Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.
| Audio file formats/codecs | - | - | AAC M4A MP3 OGG | AAC AMR AMR-WB eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV |
Video file formats/codecs
Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.
| Video file formats/codecs | - | - | 3GPP MP4 | 3GPP 3GPP2 AVI Flash Video H.263 H.264 H.265 MKV MP4 VP9 WebM WMV |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 370 mAh | 93 mAh | 300 mAh | 3000 mAh |
| Type | Li-Polymer | - | Li-Ion | Li-Ion |
| 2G talk time | - | - | - | 28 h 1680 min 1.2 days |
| 2G stand-by time | - | - | - | 336 h 20160 min 14 days |
| 3G talk time | - | - | - | 28 h 1680 min 1.2 days |
| 3G stand-by time | - | - | - | 336 h 20160 min 14 days |
| Charger output power | - | - | - | 9 V / 1.67 A |
| Quick charge technology | - | - | - | Qualcomm Quick Charge 2.0 |
| Features | Non-removable | - | Non-removable | Wireless charging Fast charging Non-removable |
| - | Battery life - up to 144 h Stand by time - up to 720 h | Battery life - up to 55 h Stand by time - up to 240 h | Qi/PMA wireless charging |
Specific Absorption Rate (SAR)
The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.
| Head SAR (EU) | - | - | - | 0.291 W/kg |
| Body SAR (EU) | - | - | - | 0.572 W/kg |
| Head SAR (USA) | - | - | - | 1.14 W/kg |
| Body SAR (USA) | - | - | - | 1.45 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | Leather strap | - | - | SM-N920F - SAR (Specific Absorption Rate) EU: head - 0.216 W/kg; body - 0.580 W/kg SM-N920F - SAR (Specific Absorption Rate) US: head - 1.22 W/kg; body - 1.48 W/kg SM-G928V - SAR (Specific Absorption Rate) EU: head - 0.202 W/kg; body - 0.464 W/kg SM-G928V - SAR (Specific Absorption Rate) US: head - 1.25 W/kg; body - 1.42 W/kg |
| Asus ZenWatch | Huawei TalkBand B1 | Samsung Galaxy Gear 2 Neo | Samsung Galaxy S6 Edge+ |