Samsung Galaxy Core 2 Duos (SM-G355M/DS) vs Asus Zenfone 3 Ultra (ZU680KL 32GB)
Side by side comparison between Samsung Galaxy Core 2 vs Asus Zenfone 3 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
TFT
TFT
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Quad-core
2000
mAh
mAh
(Removable)
vs
6.8"
IPS+
IPS+
1080x1920
23
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4600
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 3 Ultra (ZU680KL 32GB)
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 | 16 Common items in both devices |
| Only digital zoom |
| Autofocus / LDAF/PDAF: laser/phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| +9 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 | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| Model | Galaxy Core 2 Duos (SM-G355M/DS) | Zenfone 3 Ultra (ZU680KL 32GB) |
| Other model names | Samsung Galaxy Core II SM-G355M/Dual-Sim | Asus Zenfone 3 Ultra 3GB/32GB ZU680KL Dual-Sim, Asus Mercury |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Samsung | Asus |
| Release date | 5/20/2014 | 8/1/2016 |
| Depth | 9.8 millimeters (0.39 inches) | 6.8 millimeters (0.27 inches) |
| Size (width x height) | 68 x 130.3 millimeters (2.68 x 5.13 in) | 93.9 x 186.4 millimeters (3.7 x 7.34 in) |
| Weight | 138 grams (4.83 ounces) | 233 grams (8.16 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| Display type | TFT LCD | TFT Super IPS+ |
| Screen size | 4.5" inches | 6.8" inches |
| Screen-to-body ratio | ~65.1% (screen-to-body ratio) | ~72.8% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 207 PPI | 324 PPI |
| Colors | 260 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 | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| System version | Android 4.4.2 KitKat | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 652 MSM8976 (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz | 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 | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| RAM memory | 512MB LPDDR2 | 3GB LPDDR4 |
| Internal storage | 4GB (2GB available) | 32GB (24GB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| 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) micro-SIM (3FF) | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 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 | UMTS 850/2100 | 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, UMTS, HSDPA, HSUPA, HSPA+ | 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, EDGE | GPRS, EDGE |
📷 Camera | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| Back camera (main camera) | 5 megapixels | 23 megapixels |
| Main camera resolution | 2592x1944 pixels | 5520x4140 pixels |
| Video recording (primary) | VGA (720x480) 30 fps | 4K UHD (3840x2160) 24 fps |
| Flash | LED flash | 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 | Autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | OIS (4-axis): Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| Front camera (secondary) | 0.3 megapixels | 8 megapixels |
| Front camera resolution | 640x480 pixels | 3264x2448 pixels |
| Video recording (secondary) | VGA (640x480) | 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 | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| 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 | 4.0 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 2000 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 | feature not registered | 34 hours (1.4 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • Samsung TouchWiz UI • Nature UX 2.0 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 | ||
| Galaxy Core 2 Duos (SM-G355M/DS) | Asus Zenfone 3 Ultra (ZU680KL 32GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.293W/kg (head), 0.98W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.425W/kg (head), 0.451W/kg (body) | feature not registered |