Asus Zenfone 7 Pro (ZS671KS) vs Alcatel OT-991 (Single-sim)
Side by side comparison between Asus Zenfone 7 Pro vs Alcatel OT-991 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
64mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
4"
TFT
TFT
320x480
3.1
MP
MP
0.3mp
256MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
What's the better phone? Asus Zenfone 7 Pro (ZS671KS)
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!
31 Advantages 
4 Advantages | 7 Common items in both devices |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| Proximity sensor |
| A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC / A-GPS, GeoTagging |
| USB 2.0 Type-C, USB OTG On-The-Go / MicroUSB 2.0 |
| + 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 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| Change model | ||
| Model | Zenfone 7 Pro (ZS671KS) | OT-991 (Single-sim) |
| Other model names | Asus Zenfone 7 Pro ZS671KS, ASUS_I002DD | Alcatel One Touch 991, Alcatel 991 |
| Country or region available |  (Global, International) | feature not registered |
| Brand | Asus | Alcatel |
| Release date | 9/1/2020, Announced: 8/26/2020 | 6/1/2012 |
| Depth | 9.6 millimeters (0.38 inches) | 10.8 millimeters (0.43 inches) |
| Size (width x height) | 77.3 x 165.1 millimeters (3.04 x 6.5 in) | 68 x 122 millimeters (2.68 x 4.8 in) |
| Weight | 235 grams (8.23 ounces) | 131 grams (4.59 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 6.67" inches | 4" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~57.4% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 320x480 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 144 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 6 | Not supported |
| Refresh rate | 90Hz | feature not registered |
| Display features | 700nits[peak] HDR10+ | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| System version | Android 10 | Android 2.3.6 Gingerbread |
| Firmware update | Android 12 | feature not registered |
| User Interface | ZenUI 8 | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| Chipset | 64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm) | 32bit: MediaTek MT6573 |
| CPU | Octa-core, 3 processors: 1x 3.09GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Single-core, 1 processor: 1x 800MHz ARM11 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 650 (250-646MHz) | PowerVR SGX531 |
| Performance (benchmark) | AnTuTu: 602934 (v8) Geekbench: 3302 (v5.1) GFXBench: 46fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| RAM memory | 8GB LPDDR5 | 256MB |
| Internal storage | 256GB (222GB available) UFS 3.1 | 512MB (150MB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 7.2 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G |
| 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 800/850/900/1700/1900/2100 | Not supported |
| Primary 4G network | LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE | Not supported |
| Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| Back camera (main camera) | (triple camera) 64 megapixels 12MP ultrawide f/2.2113°17mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAFOIS3x-optical-zoom | 3.1 megapixels |
| Main camera resolution | 10120x6328 pixels | 2048x1536 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | VGA (720x480) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/1.72" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Supported | feature not registered |
| HDR | HDR photo/video on both cameras | feature not registered |
| Camera extras | 4K@120fps 1080p@240fps 720p@480fps | feature not registered |
📸 Front camera | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| Front camera (secondary) | Uses the back motorized camera (flip-up/rotating) | 0.3 megapixels |
| Front camera resolution | 10120x6328 pixels | 640x480 pixels |
| Video recording (secondary) | 8K UHD (7680x4320) | Not supported |
| Front flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/1.72" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| Loudspeaker | Stereo sound 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, AAC+ |
🔌 Connectivity | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 1500 mAh |
| Charger, watts | 30W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 10 hours |
| Standby | feature not registered | 400 hours (16.7 days) |
➕ Other features | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Aurora Black, Pastel White • Silicon case included | • Colors: Black, White • HAC (M3/T3) • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Asus Zenfone 7 Pro (ZS671KS) | Alcatel OT-991 (Single-sim) | |
| 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 |