Alcatel OT-991D (Dual-sim) vs Asus Zenfone 8 Flip (128GB)
Side by side comparison between Alcatel OT-991 vs Asus Zenfone 8 Flip phones, differences, pros, cons and full specifications. What's the better?
,
4"
TFT
TFT
320x480
3.1
MP
MP
0.3mp
256MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
64mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 8 Flip (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!
4 Advantages 
31 Advantages | 11 Common items in both devices |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| Proximity sensor |
| Hands-free calling |
| Video calling |
| +4 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 | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| Model | OT-991D (Dual-sim) | Zenfone 8 Flip (128GB) |
| Other model names | Alcatel One Touch 991D Dual-sim, Alcatel 991 | Asus Zenfone 8 (ZS672KS) |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Alcatel | Asus |
| Release date | 9/1/2012 | 5/13/2021, Announced: 5/12/2021 |
| Depth | 10.8 millimeters (0.43 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 68 x 122 millimeters (2.68 x 4.8 in) | 68.5 x 148 millimeters (2.7 x 5.83 in) |
| Weight | 131 grams (4.59 ounces) | 169 grams (5.92 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| Display type | TFT LCD | Super AMOLED |
| Screen size | 4" inches | 6.67" inches |
| Screen-to-body ratio | ~57.4% (screen-to-body ratio) | ~105.9% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 144 PPI | 395 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 6 |
| Refresh rate | feature not registered | 90Hz |
| Display features | feature not registered | 700nits[typ], 1000nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| System version | Android 2.3.6 Gingerbread | Android 11 |
| Firmware update | feature not registered | Android 13 |
| User Interface | feature not registered | ZenUI 8 / 9 / 10 |
⚙️ Processor | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| Chipset | 32bit: MediaTek MT6573 | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Single-core, 1 processor: 1x 800MHz ARM11 (Single-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) |
| GPU graphical controller | PowerVR SGX531 | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 675851 (v8), 797848(v9) Geekbench: 3673 (v5.1) GFXBench: 62fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| RAM memory | 256MB | 8GB LPDDR5 |
| Internal storage | 512MB (150MB available) | 128GB (107GB available) UFS 3.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2 Mbps | 2000/1024 Mbps |
| Network technology | 2G | 2G, 3G, 4G, 5G |
| 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 | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| Back camera (main camera) | 3.1 megapixels | (triple camera) 64 megapixels 12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom |
| Main camera resolution | 2048x1536 pixels | 10120x6328 pixels |
| Video recording (primary) | VGA (720x480) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/1.73" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Supported |
| HDR | feature not registered | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@120fps 1080p@240fps 720p@480fps |
📸 Front camera | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| Front camera (secondary) | 0.3 megapixels | Uses the back motorized camera (flip-up/rotating) |
| Front camera resolution | 640x480 pixels | 10120x6328 pixels |
| Video recording (secondary) | Not supported | 8K UHD (7680x4320) |
| Front flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/1.73" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| Loudspeaker | Supported | Stereo sound 24-bit/192kHz |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, AAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.0 + A2DP | 5.2 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1500 mAh | 5000 mAh |
| Charger, watts | Wired charging | 30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 10 hours | feature not registered |
| Standby | 366.7 hours (15.3 days) | feature not registered |
➕ Other features | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (128GB) | |
| Call control | 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • HAC (M3/T3) • WiFi hotspot • Java framework | • Colors: Galactic Black, Glacier Silver |
☢️ Radiation rate | ||
| Alcatel OT-991D (Dual-sim) | Asus Zenfone 8 Flip (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 |