Asus ROG Phone 2 (128GB) vs Asus Zenfone Zoom (ZX551ML 32GB)
Side by side comparison between Asus ROG Phone 2 vs Asus Zenfone Zoom (ZX551ML) phones, differences, pros, cons and full specifications. What's the better?
,
6.59"
AMOLED
AMOLED
1080x2340
48
MP
MP
24mp
8GB
RAM
RAM
Octa-core
6000
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
What's the better phone? Asus ROG Phone 2 (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!
27 Advantages 
6 Advantages | 19 Common items in both devices |
| Dual-LED flash |
| LDAF/PDAF: laser/phase detection autofocus / LDAF: laser detection autofocus |
| 4G LTE-A / 4G LTE |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +12 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 ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Model | ROG Phone 2 (128GB) | Zenfone Zoom (ZX551ML 32GB) |
| Other model names | Asus ROG Phone II ZS660KL (128GB + 8GB RAM) | Asus Zenfone Zoom ZX551ML (4G), Asus ZX551ML |
| Country or region available |  (Global, International) |   (Latin America), (Europe) |
| Brand | Asus | Asus |
| Release date | 8/1/2019, Announced: 7/22/2019 | 12/1/2015 |
| Depth | 9.78 millimeters (0.39 inches) | 12 millimeters (0.47 inches) |
| Size (width x height) | 77.6 x 170.99 millimeters (3.06 x 6.73 in) | 78.8 x 158.9 millimeters (3.1 x 6.26 in) |
| Weight | 240 grams (8.4 ounces) | 185 grams (6.48 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass 3 | Aluminum frame, glass front, leather back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Display type | AMOLED | TFT IPS LCD |
| Screen size | 6.59" inches | 5.5" inches |
| Screen-to-body ratio | ~80.3% (screen-to-body ratio) | ~66.6% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 391 PPI | 401 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass 4 |
| Refresh rate | 120Hz | feature not registered |
| Display features | 600nits[typ] HDR10 108% DCI-P3 1ms response | feature not registered |
🤖 Operating System | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| System version | Android 9.0 Pie | Android 5.0.2 Lollipop |
| Firmware update | Android 11 | Android 6.0 Marshmallow |
| User Interface | ROG UI | feature not registered |
⚙️ Processor | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) | 64bit: Intel Atom Z3590 (22nm) |
| CPU | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core) | Quad-core, 1 processor: 4x 2.5GHz Intel Silvermont (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (672MHz) | PowerVR G6430 MP4 |
| Performance (benchmark) | AnTuTu: 398936 (v7), 483248 (v8) Geekbench: 10923 (v4.4) GFXBench: 40fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| RAM memory | 8GB LPDDR4X | 4GB LPDDR3 |
| Internal storage | 128GB (107GB available) UFS 3.0 | 32GB (26GB available) |
| External storage | Not supported | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 1200/150 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 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34) TD-LTE (38, 39, 40, 41, 46) | LTE Cat4 (Bands 1, 2, 3, 5, 7, 8, 9, 18, 19, 28) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34) TD-LTE (38, 39, 40, 41, 46) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Back camera (main camera) | (dual camera) 48 megapixels 13MP ultrawide f/2.411mm125° | 13 megapixels |
| Main camera resolution | 8000x6000 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.7 (aperture) |
| Focal length | 26mm (lens) | 28mm (lens) |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | LDAF: laser detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | 4K@30/60fps 1080p@30/60 1080p@240fps (slow motion) 720p@480fps (slow motion) Sony IMX586 sensor | feature not registered |
📸 Front camera | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Front camera (secondary) | 24 megapixels | 5 megapixels |
| Front camera resolution | 5632x4224 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.9µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz DTS:X | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| USB | USB 3.1 Type-C reversible connector | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ad [wifi5/ad] (2.4GHz, 5GHz, 60GHz) + MIMO 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, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 6000 mAh | 3000 mAh |
| Charger, watts | 30W (10V/3A) Wired fast charging 10W Reverse charging by cable Quick Charge 4 | 18W Wired fast charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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 | • Colors: Black, White • Asus ZenUI • Hoya camera sensor • Laser autofocus camera (0.03 seconds) • 3x optical zoom camera • Dual tone flash • Fast battery charging: 60% in 40min • Beidou GPS • 5GB Asus Webstorage |
☢️ Radiation rate | ||
| Asus ROG Phone 2 (128GB) | Asus Zenfone Zoom (ZX551ML 32GB) | |
| 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 |