Asus Zenfone 3 Ultra (ZU680KL 128GB) vs Asus ROG Phone 2 (128GB)
Side by side comparison between Asus Zenfone 3 Ultra vs Asus ROG Phone 2 phones, 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
6.59"
AMOLED
AMOLED
1080x2340
48
MP
MP
24mp
8GB
RAM
RAM
Octa-core
6000
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!
7 Advantages 
20 Advantages | 25 Common items in both devices |
| Dual-LED flash |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus |
| HDR photo on both cameras |
| 4K UHD (3840x2160) |
| (front) Full HD (1920x1080) |
| 4G LTE-A |
| +18 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 128GB) | Asus ROG Phone 2 (128GB) | |
| Model | Zenfone 3 Ultra (ZU680KL 128GB) | ROG Phone 2 (128GB) |
| Other model names | Asus Zenfone 3 Ultra 4GB/128GB ZU680KL DualSim, Asus Mercury | Asus ROG Phone II ZS660KL (128GB + 8GB RAM) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Asus |
| Release date | 8/1/2016 | 8/1/2019, Announced: 7/22/2019 |
| Depth | 6.8 millimeters (0.27 inches) | 9.78 millimeters (0.39 inches) |
| Size (width x height) | 93.9 x 186.4 millimeters (3.7 x 7.34 in) | 77.6 x 170.99 millimeters (3.06 x 6.73 in) |
| Weight | 233 grams (8.16 ounces) | 240 grams (8.4 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back Back: Gorilla Glass 3 |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| Display type | TFT Super IPS+ | AMOLED |
| Screen size | 6.8" inches | 6.59" inches |
| Screen-to-body ratio | ~72.8% (screen-to-body ratio) | ~80.3% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 324 PPI | 391 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 6 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 600nits[typ] HDR10 108% DCI-P3 1ms response |
🤖 Operating System | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| System version | Android 6.0.1 Marshmallow | Android 9.0 Pie |
| Firmware update | Android 8.0 Oreo | Android 11 |
| User Interface | feature not registered | ROG UI |
⚙️ Processor | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 652 MSM8976 (28nm) | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) |
| CPU | Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A72 (Quad-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) | 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) |
| GPU graphical controller | Qualcomm Adreno 510 600Mhz | Qualcomm Adreno 640 (672MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 398936 (v7), 483248 (v8) Geekbench: 10923 (v4.4) GFXBench: 40fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| RAM memory | 4GB LPDDR4 | 8GB LPDDR4X |
| Internal storage | 128GB (118GB available) | 128GB (107GB available) UFS 3.0 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 1200/150 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 | Global version: UMTS 800/850/900/1900/2100 China version: CDMA2000, TD-SCDMA 1900/2000 UMTS 800/850/900/1900/2100 | UMTS 850/900/1900/2100 |
| 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) | 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) |
| 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 | GPRS, EDGE, 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 | UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | 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) |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| Back camera (main camera) | 23 megapixels | (dual camera) 48 megapixels 13MP ultrawide f/2.411mm125° |
| Main camera resolution | 5520x4140 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 24 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | 1/2.6" inches | 1/2" inches |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30/60fps 1080p@30/60 1080p@240fps (slow motion) 720p@480fps (slow motion) Sony IMX586 sensor |
📸 Front camera | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| Front camera (secondary) | 8 megapixels | 24 megapixels |
| Front camera resolution | 3264x2448 pixels | 5632x4224 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz DTS:X |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 3.1 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C SlimPort® | USB Type-C (reversible) |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ad [wifi5/ad] (2.4GHz, 5GHz, 60GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4600 mAh | 6000 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging | 30W (10V/3A) Wired fast charging 10W Reverse charging by cable Quick Charge 4 |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 34 hours (1.4 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (128GB) | |
| 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: 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: Black |
☢️ Radiation rate | ||
| Asus Zenfone 3 Ultra (ZU680KL 128GB) | Asus ROG Phone 2 (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 |