Asus Zenfone 3 Ultra (ZU680KL 64GB) vs Samsung Gear 2 (SM-R380)
Side by side comparison between Asus Zenfone 3 Ultra vs Samsung Gear 2 devices, differences, pros, cons and full specifications. What's the better?
,
6.8"
IPS+
IPS+
1080x1920
23
MP
MP
8mp
4GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Non removable)
vs
1.63"
AMOLED
AMOLED
320x320
2
MP
MP
512MB
RAM
RAM
Dual-core
300
mAh
mAh
(Non removable)
What's the better device? Asus Zenfone 3 Ultra (ZU680KL 64GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
32 Advantages 
5 Advantages | 8 Common items in both devices |
| 16 million |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Gyroscope |
| + specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| Model | Zenfone 3 Ultra (ZU680KL 64GB) | Gear 2 (SM-R380) |
| Other model names | Asus Zenfone 3 Ultra 4GB/64GB ZU680KL Dual-Sim, Asus Mercury | Samsung Gear 2 R380, Samsung SM-R380 Gear 2 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Samsung |
| Release date | 8/1/2016 | 4/1/2014 |
| Depth | 6.8 millimeters (0.27 inches) | 10 millimeters (0.39 inches) |
| Size (width x height) | 93.9 x 186.4 millimeters (3.7 x 7.34 in) | 36.9 x 58.4 millimeters (1.45 x 2.3 in) |
| Weight | 233 grams (8.16 ounces) | 68 grams (2.38 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Waterproof (IP?) |
📲 Display | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| Display type | TFT Super IPS+ | Super AMOLED |
| Screen size | 6.8" inches | 1.63" inches |
| Screen-to-body ratio | ~72.8% (screen-to-body ratio) | ~39.8% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 320x320 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 324 PPI | 278 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| System version | Android 6.0.1 Marshmallow | Tizen 2.2.1 |
| Firmware update | Android 8.0 Oreo | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| Chipset | 64bit: Qualcomm Snapdragon 652 MSM8976 (28nm) | 32bit: Samsung Exynos 2 Dual 3250 (28nm) |
| CPU | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 510 600Mhz | ARM Mali-400 MP2 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| RAM memory | 4GB LPDDR4 | 512MB LPDDR2 |
| Internal storage | 64GB (55GB available) | 4GB (2GB available) |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) | Not supported |
| Maximum Download / Upload | 300/50 Mbps | feature not registered |
| Network technology | 2G, 3G, 4G | feature not registered |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | Not supported |
| Primary 3G network | Global version: UMTS 800/850/900/1900/2100 China version: CDMA2000, TD-SCDMA 1900/2000 UMTS 800/850/900/1900/2100 | Not supported |
| Primary 4G network | LTE Cat6 Global version: LTE (Bands 1,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,40,41) China version: LTE (Bands 1,3,5,7,8,18,19,20,26,28) TD-LTE (Bands 38,39,40,41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| Back camera (main camera) | 23 megapixels | 2 megapixels |
| Main camera resolution | 5520x4140 pixels | 1600x1200 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 24 fps | HD (1280x720) |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.6" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| Front camera (secondary) | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| USB | USB 2.0 Type-C reversible connector | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | USB Type-C SlimPort® | Not supported |
| Bluetooth | 4.2 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | Not supported |
| NFC | Not supported | Not supported |
| Infrared port | Supported | Supported |
🧭 Sensors | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4600 mAh | 300 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 34 hours (1.4 days) | feature not registered |
| Standby | feature not registered | 72 hours (3 days) |
➕ Other features | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | Not supported |
| Antenna | Internal antenna | Not supported |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Titanium Gray, Glacier Silver, Rose Gold • USB OTG On-The-Go • Asus ZenUI 3.0 • Sony IMX318 sensor camera • DTS headphone • Hi-Res audio 192kHz/24bit • Quick Charge 3.0 • Fast charging battery: 60% in 45min • Miracast | • Colors: Charcoal Black, Gold Brown, Orange • WatchON Remote • S-Voice • Watch compatible with Android 4.3 or higher • IP67 certified: dust and water resistant up to 1m and 30min |
☢️ Radiation rate | ||
| Asus Zenfone 3 Ultra (ZU680KL 64GB) | Samsung Gear 2 (SM-R380) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.122W/kg (head), 0.02W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.09W/kg (head), 0.02W/kg (body) |