Asus Zenfone Zoom (ZX550 16GB) vs Samsung Galaxy A8 (SM-A800S)
Side by side comparison between Asus Zenfone Zoom (ZX550) vs Samsung Galaxy A8 phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
vs
5.7"
AMOLED
AMOLED
1080x1920
16
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3050
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A8 (SM-A800S)
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!
7 Advantages 
19 Advantages | 26 Common items in both devices |
| 2GB LPDDR3 |
| 16 million |
| 1080x1920 pixels |
| LDAF: laser detection autofocus / Autofocus |
| HDR photo only main camera |
| (front) 5MP |
| Full HD (1920x1080) |
| +19 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 Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| Model | Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) |
| Other model names | Asus Zenfone Zoom ZX550 (Dual-Sim), Asus ZX550 | Samsung Galaxy A8 A800S (4G LTE) |
| Country or region available |  (Global, International) |  South Korea |
| Brand | Asus | Samsung |
| Release date | 12/1/2015 | 7/24/2015 |
| Depth | 12 millimeters (0.47 inches) | 5.9 millimeters (0.23 inches) |
| Size (width x height) | 78.8 x 158.9 millimeters (3.1 x 6.26 in) | 76.8 x 158 millimeters (3.02 x 6.22 in) |
| Weight | 185 grams (6.48 ounces) | 151 grams (5.29 ounces) |
| Build, materials | Aluminum frame, glass front, leather back | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.5" inches | 5.7" inches |
| Screen-to-body ratio | ~66.6% (screen-to-body ratio) | ~73.8% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 401 PPI | 386 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 4 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| System version | Android 5.0.2 Lollipop | Android 5.1.1 Lollipop |
| Firmware update | feature not registered | Android 6.0 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| Chipset | 64bit: Intel Atom Z3580 (22nm) | 32bit: Samsung Exynos 5 Octa 5430 (28nm) |
| CPU | Quad-core, 1 processor: 4x 2.3GHz Intel Silvermont (Quad-core) | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A15 (Quad-core) 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | PowerVR G6430 MP4 | ARM Mali-T628 MP6 600Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| RAM memory | 2GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 16GB (12GB available) | 32GB (25GB available) eMMC 5.0 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29) TD-LTE (Bands 38, 39, 40, 41) | LTE Cat4 (Bands 1, 3, 5, 7, 8, 17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| Back camera (main camera) | 13 megapixels | 16 megapixels |
| Main camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.7 (aperture) | f/1.9 (aperture) |
| Focal length | 28mm (lens) | 31mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | LDAF: laser detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical 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 only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2560x1920 pixels | 2592x1944 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 23mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Digital TV |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, MKV, WMV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 3050 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 18 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| 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 • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • 5GB Asus Webstorage • Only one micro SIM card can connect to 3G/4G service at a time | • Colors: Black, White, Gold • Samsung TouchWiz UX • T-DMB TV (Korea) |
☢️ Radiation rate | ||
| Asus Zenfone Zoom (ZX550 16GB) | Galaxy A8 (SM-A800S) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.191W/kg (head), 1.46W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.256W/kg (head), 0.576W/kg (body) |