Asus Zenfone 7 Pro (ZS671KS) vs LG Optimus 2X (P990)
Side by side comparison between Asus Zenfone 7 Pro vs LG Optimus 2X 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"
IPS
IPS
480x800
8
MP
MP
1.3mp
512MB
RAM
RAM
Dual-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!
30 Advantages 
5 Advantages | 15 Common items in both devices |
| 16 million |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| +8 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) | LG Optimus 2X (P990) | |
| Change model | ||
| Model | Zenfone 7 Pro (ZS671KS) | Optimus 2X (P990) |
| Other model names | Asus Zenfone 7 Pro ZS671KS, ASUS_I002DD | LG Optimus 2X Dual, LG P990H, LG Star |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | LG |
| Release date | 9/1/2020, Announced: 8/26/2020 | 1/24/2011 |
| Depth | 9.6 millimeters (0.38 inches) | 10.9 millimeters (0.43 inches) |
| Size (width x height) | 77.3 x 165.1 millimeters (3.04 x 6.5 in) | 63.2 x 123.9 millimeters (2.49 x 4.88 in) |
| Weight | 235 grams (8.23 ounces) | 139 grams (4.87 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) | LG Optimus 2X (P990) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6.67" inches | 4" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~58.2% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass |
| Refresh rate | 90Hz | feature not registered |
| Display features | 700nits[peak] HDR10+ | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 7 Pro (ZS671KS) | LG Optimus 2X (P990) | |
| System version | Android 10 | Android 2.2.1 Froyo |
| Firmware update | Android 12 | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | ZenUI 8 | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 7 Pro (ZS671KS) | LG Optimus 2X (P990) | |
| Chipset | 64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm) | 32bit: NVIDIA Tegra 2 250 AP20H |
| 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) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 650 (250-646MHz) | ULP NVIDIA GeForce |
| 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) | LG Optimus 2X (P990) | |
| RAM memory | 8GB LPDDR5 | 512MB LPDDR2 |
| Internal storage | 256GB (222GB available) UFS 3.1 | 8GB (6GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 7 Pro (ZS671KS) | LG Optimus 2X (P990) | |
| 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 | 7.2/5.76 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| 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 | UMTS 850/1900/2100 |
| 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, HSUPA |
| 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) | LG Optimus 2X (P990) | |
| 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 | 8 megapixels |
| Main camera resolution | 10120x6328 pixels | 3264x2448 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 24 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 | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | Not supported |
| Camera extras | 4K@120fps 1080p@240fps 720p@480fps | feature not registered |
📸 Front camera | ||
| Asus Zenfone 7 Pro (ZS671KS) | LG Optimus 2X (P990) | |
| Front camera (secondary) | Uses the back motorized camera (flip-up/rotating) | 1.3 megapixels |
| Front camera resolution | 10120x6328 pixels | 1280x1024 pixels |
| Video recording (secondary) | 8K UHD (7680x4320) | VGA (640x480) |
| 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) | LG Optimus 2X (P990) | |
| Loudspeaker | Stereo sound 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, DivX, XviD, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Asus Zenfone 7 Pro (ZS671KS) | LG Optimus 2X (P990) | |
| 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) | Micro HDMI Type D |
| Bluetooth | 5.1 + A2DP/LE | 2.1 + 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 | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 7 Pro (ZS671KS) | LG Optimus 2X (P990) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 7 Pro (ZS671KS) | LG Optimus 2X (P990) | |
| 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 | 7.9 hours |
| Standby | feature not registered | 400 hours (16.7 days) |
➕ Other features | ||
| Asus Zenfone 7 Pro (ZS671KS) | LG Optimus 2X (P990) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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, 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 • NVIDIA Tegra Zone • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Asus Zenfone 7 Pro (ZS671KS) | LG Optimus 2X (P990) | |
| 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 |