Samsung Rex 70 (S3802) vs Asus Zenfone 3 Ultra (ZU680KL 128GB)
Side by side comparison between Samsung Rex 70 vs Asus Zenfone 3 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.8"
IPS+
IPS+
1080x1920
23
MP
MP
8mp
4GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 3 Ultra (ZU680KL 128GB)
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!
3 Advantages 
27 Advantages | 7 Common items in both devices |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Proximity sensor |
| 3.5mm jack |
| FM / FM (RDS) |
| MicroUSB 2.0 / USB 2.0 Type-C reversible connector |
| + 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 | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Change model | ||
| Model | Rex 70 (S3802) | Zenfone 3 Ultra (ZU680KL 128GB) |
| Other model names | Samsung Rex 70 Duos S3802 for India market | Asus Zenfone 3 Ultra 4GB/128GB ZU680KL DualSim, Asus Mercury |
| Country or region available |  India |  (Global, International) |
| Brand | Samsung | Asus |
| Release date | 3/1/2013 | 8/1/2016 |
| Depth | 12 millimeters (0.47 inches) | 6.8 millimeters (0.27 inches) |
| Size (width x height) | 57.2 x 104.9 millimeters (2.25 x 4.13 in) | 93.9 x 186.4 millimeters (3.7 x 7.34 in) |
| Weight | 89 grams (3.12 ounces) | 233 grams (8.16 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Display type | TFT LCD | TFT Super IPS+ |
| Screen size | 3" inches | 6.8" inches |
| Screen-to-body ratio | ~46.4% (screen-to-body ratio) | ~72.8% (screen-to-body ratio) |
| Display resolution | 240x320 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 133 PPI | 324 PPI |
| Colors | 65 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| System version | Proprietary OS | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 652 MSM8976 (28nm) |
| CPU | Single-core, 1 processor: Single-core XMM 2250m (Single-core) | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 510 600Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| RAM memory | feature not registered | 4GB LPDDR4 |
| Internal storage | 10MB | 128GB (118GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) |
| Maximum Download / Upload | 0.236 Mbps | 300/50 Mbps |
| Network technology | 2G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | Global version: UMTS 800/850/900/1900/2100 China version: CDMA2000, TD-SCDMA 1900/2000 UMTS 800/850/900/1900/2100 |
| Primary 4G network | Not supported | 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) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS | GPRS, EDGE |
📷 Camera | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Back camera (main camera) | 2 megapixels | 23 megapixels |
| Main camera resolution | 1600x1200 pixels | 5520x4140 pixels |
| Video recording (primary) | Supported | 4K UHD (3840x2160) 24 fps |
| Flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.6" inches |
| Pixel size | feature not registered | 1.12µm pixel |
| Autofocus | Not supported | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | OIS (4-axis): Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Front camera (secondary) | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| 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 | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C SlimPort® |
| Bluetooth | 3.0 | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Supported |
🧭 Sensors | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Sensors | Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1000 mAh | 4600 mAh |
| Charger, watts | Wired charging | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 13 hours | 34 hours (1.4 days) |
| Standby | 490 hours (20.4 days) | feature not registered |
➕ Other features | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS, MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | feature not registered | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White, Gray, Blue • Samsung TouchWiz UI • ChatON • Opera browser • Facebook, Twitter, YouTube • Java framework | • 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 |
☢️ Radiation rate | ||
| Samsung Rex 70 (S3802) | Asus Zenfone 3 Ultra (ZU680KL 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |