Side by side comparison and review of ASUS PadFone A66 and ASUS ZenFone Selfie (ZD551KL). Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZD551KL | |
| Form Factor | Touch | Touch | |
| Height | 128 mm | 156.5 mm | ASUS ZenFone Selfie (ZD551KL) has greater height than ASUS PadFone A66. |
| Width | 65 mm | 77.2 mm | ASUS ZenFone Selfie (ZD551KL) has greater width than ASUS PadFone A66. |
| Depth | 9 mm | 10.8 mm | ASUS PadFone A66 is narrower than ASUS PadFone A66. |
| Weight | 129 g | 170 g | ASUS PadFone A66 is lighter than ASUS PadFone A66. |
| Body Colour | Brown | Glacial grey | Pure white | Aqua blue | Chic pink | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.75 W/kg (body), 0.42 W/kg (head) | 0.386 W/kg (body), 0.649 W/kg (head) | |
| Connector Type | Headset jack - mini-phone 3.5mm HDMI Micro-USB - 5 pin Micro-USB Type B |
USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | - | Micro SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super AMOLED | IPS | |
| Screen Size (Display Size) | 4.3" | 5.5" | ASUS ZenFone Selfie (ZD551KL) has larger screen size than ASUS PadFone A66. |
| Screen Resolution (Display Resolution) | 960 x 540 pixels | 1920 x 1080 pixels | ASUS ZenFone Selfie (ZD551KL) has better screen resolution than ASUS PadFone A66. |
| Display Format | - | Full HD | |
| Pixel Density | - | 403 ppi | |
| Colour Depth | - | 16.7 million colours | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 4 (scratch resistant glass) |
| PROCESSOR | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 616 | |
|---|---|---|---|
| Processor Number | MSM8260A | - | |
| Clock Speed | 1.5 GHz | - | |
| Processor Core Qty | Dual-core | 8-core | ASUS ZenFone Selfie (ZD551KL) has higher processor core quantity than ASUS PadFone A66. |
| 64-bit Architecture | - | Yes | ASUS ZenFone Selfie (ZD551KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 225 | - |
| MEMORY | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| RAM | 1 GB | 2 GB | ASUS ZenFone Selfie (ZD551KL) has more RAM than ASUS PadFone A66. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC, microSDXC - up to 128 GB |
| CAMERA | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 13 Megapixel | ASUS ZenFone Selfie (ZD551KL) has better camera resolution than ASUS PadFone A66. |
| Lens Aperture | F/2.2 | F/2.0 | ASUS ZenFone Selfie (ZD551KL) has better lens aperture than ASUS PadFone A66. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| HDR Mode | - | Super HDR | |
| Camera Modes | - | Beauty mode | |
| Face Recognition (Face ID) | - | Face detection | ASUS ZenFone Selfie (ZD551KL) has face detection. |
| Light Source | LED light | Dual LED flash | |
| Still Image Resolutions | - | 4128 x 3096 | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) | |
| Camera Features (Functions) | - | ZenMotion |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 0 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | - | 13 Megapixel | |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | - | F/2.2 | |
| Focus Adjustment | - | Automatic | |
| Camera Modes (Front) | - | Panoramic selfies | |
| Light Source (Front) | - | LED flash |
| BATTERY AND CHARGING | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| Battery Capacity (Battery Size) | 1520 mAh | 3000 mAh | ASUS ZenFone Selfie (ZD551KL) has larger battery capacity than ASUS PadFone A66. |
|---|---|---|---|
| Standby Time | 370 hours | 255 hours | ASUS PadFone A66 has longer standby time than ASUS ZenFone Selfie (ZD551KL). |
| Talk Time | 940 minutes | 1386 minutes | ASUS ZenFone Selfie (ZD551KL) has longer battery life when making calls than ASUS PadFone A66. |
| Run Time Details | Talk (GSM): up to 940 min Standby (GSM): up to 370 hrs Talk (WCDMA): up to 480 min Standby (WCDMA): up to 360 hrs |
Talk: up to 1386 min Standby: up to 255 hrs |
|
| Battery Technology | Lithium Ion | Lithium polymer |
| CELLULAR | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | ASUS ZenFone Selfie (ZD551KL) has more advanced generation mobile network. |
| Operating System | Android 4.0 (Ice Cream Sandwich) | Android 5.0 (Lollipop) | |
| User Interface | - | ASUS ZenUI | |
| Navigation | A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, DC-HSPA+ | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | - | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.0 | |
| Communication Features | Mobile Email client, Internet browser | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| Supported Digital Audio Standards | WMA, AAC, MP3, AAC + | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, WMV, 3GP, H.264, H.263 | - |
| FEATURES | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| Phone Functions | Speakerphone, call timer, conference call, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor, hall sensor | |
| Personal Information Management | Calendar, synchronization with PC, calculator, reminder, alarm clock | - | |
| Additional Phone Features | DynamicDisplay technology | ASUS TruVivid technology |
| OTHERS | ASUS PadFone A66 | ASUS ZenFone Selfie (ZD551KL) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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