Detailed comparison and review of ASUS PadFone A66 and ASUS ZenFone 4. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 128 mm | 124.42 mm | ASUS PadFone A66 has greater height than ASUS ZenFone 4. |
| Width | 65 mm | 61.44 mm | ASUS PadFone A66 has greater width than ASUS ZenFone 4. |
| Depth | 9 mm | 11.5 mm | ASUS PadFone A66 is narrower than ASUS PadFone A66. |
| Weight | 129 g | 115 g | ASUS ZenFone 4 is lighter than ASUS PadFone A66. |
| Body Colour | Brown | Cherry Red | Yellow | Blue | Pearl white | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.75 W/kg (body), 0.42 W/kg (head) | 0.53 W/kg | |
| Connector Type | Headset jack - mini-phone 3.5mm HDMI Micro-USB - 5 pin Micro-USB Type B |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | - | Micro SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super AMOLED | TFT | |
| Screen Size (Display Size) | 4.3" | 4" | ASUS PadFone A66 has larger screen size than ASUS ZenFone 4. |
| Screen Resolution (Display Resolution) | 960 x 540 pixels | 800 x 480 pixels | ASUS PadFone A66 has better screen resolution than ASUS ZenFone 4. |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| Processor Type (CPU) | Qualcomm | Intel Atom | |
|---|---|---|---|
| Processor Number | MSM8260A | Z2520 | |
| Clock Speed | 1.5 GHz | 1.2 GHz | ASUS PadFone A66 has higher clock speed than ASUS ZenFone 4. |
| Processor Core Qty | Dual-core | - | |
| Graphics System (GPU) | Qualcomm ADRENO 225 | - |
| MEMORY | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| RAM | 1 GB | 1 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 8 GB | ASUS PadFone A66 has more internal memory than ASUS ZenFone 4. |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC - up to 64 GB |
| CAMERA | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 5 Megapixel | ASUS PadFone A66 has better camera resolution than ASUS ZenFone 4. |
| Lens Aperture | F/2.2 | - | |
| Focus Adjustment | Automatic | - | |
| Light Source | LED light | - | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p), 1280 x 720 (720p) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 0 | 0 |
|---|
| BATTERY AND CHARGING | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| Battery Capacity (Battery Size) | 1520 mAh | - | |
|---|---|---|---|
| Standby Time | 370 hours | 192 hours | ASUS PadFone A66 has longer standby time than ASUS ZenFone 4. |
| Talk Time | 940 minutes | 606 minutes | ASUS PadFone A66 has longer battery life when making calls than ASUS ZenFone 4. |
| 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 606 hrs Standby: up to 192 hrs |
|
| Battery Technology | Lithium Ion | Lithium |
| CELLULAR | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 3G | Both phones have the same mobile network generation. |
| Operating System | Android 4.0 (Ice Cream Sandwich) | Android 4.3 (Jelly Bean) | |
| User Interface | - | ASUS ZenUI | |
| Navigation | A-GPS | GPS, A-GPS, GLONASS |
| COMMUNICATIONS | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, HSDPA, HSUPA, HSPA+, DC-HSPA+ | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.0 | |
| Bluetooth Profiles | - | A2DP | |
| Communication Features | Mobile Email client, Internet browser | Mobile Email client, Internet browser | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| Supported Digital Audio Standards | WMA, AAC, MP3, AAC + | AAC, MP3, AAC + | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, WMV, 3GP, H.264, H.263 | MPEG-4, 3GP, H.264 |
| FEATURES | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| 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 | Proximity sensor, motion sensor | |
| Personal Information Management | Calendar, synchronization with PC, calculator, reminder, alarm clock | Calendar, synchronization with PC, calculator, reminder, alarm clock | |
| Dual SIM Card Capability | - | Yes | |
| Additional Phone Features | DynamicDisplay technology | ASUS SonicMaster technology, guaranteed upgrade to Android 4.4 (KitKat) |
| OTHERS | ASUS PadFone A66 | ASUS ZenFone 4 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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