In depth comparison and review of Silent Circle Blackphone 2 and bq Aquaris a4.5. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 152.4 mm | 131.77 mm | Silent Circle Blackphone 2 has greater height than bq Aquaris a4.5. |
| Width | 76.4 mm | 63.48 mm | Silent Circle Blackphone 2 has greater width than bq Aquaris a4.5. |
| Depth | 7.9 mm | 8.75 mm | Silent Circle Blackphone 2 is narrower than Silent Circle Blackphone 2. |
| Weight | 165 g | 115 g | bq Aquaris a4.5 is lighter than Silent Circle Blackphone 2. |
| Body Colour | Black | White | |
| Body Material | Plastic, aluminium-magnesium alloy | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.601 W/kg (body), 0.329 W/kg (head) | |
| Integrated Components | - | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5.5" | 4.5" | Silent Circle Blackphone 2 has larger screen size than bq Aquaris a4.5. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 960 x 540 pixels | Silent Circle Blackphone 2 has better screen resolution than bq Aquaris a4.5. |
| Display Format | Full HD | - | |
| Pixel Density | - | 245 ppi | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | MediaTek | |
|---|---|---|---|
| Processor Number | MSM8939 | MT6735M | |
| Clock Speed | 1.7 GHz | 1 GHz | Silent Circle Blackphone 2 has higher clock speed than bq Aquaris a4.5. |
| Processor Core Qty | 8-core | Quad-core | Silent Circle Blackphone 2 has higher processor core quantity than bq Aquaris a4.5. |
| 64-bit Architecture | Yes | - | Silent Circle Blackphone 2 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | Mali T720 MP1 |
| MEMORY | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| RAM | 3 GB | 1 GB | Silent Circle Blackphone 2 has more RAM than bq Aquaris a4.5. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | Silent Circle Blackphone 2 has more internal memory than bq Aquaris a4.5. |
| User Memory | - | 10.5 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 64 GB |
| CAMERA | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 8 Megapixel | Silent Circle Blackphone 2 has better camera resolution than bq Aquaris a4.5. |
| Sensor Type | BSI-CMOS | - | |
| Lens Aperture | - | F/2.0 | |
| Focus Adjustment | Automatic | Automatic | |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | - | 1280 x 720 (720p) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | - | F/2.0 | |
| Focus Adjustment | Focus free | - | |
| Light Source (Front) | - | LED flash |
| BATTERY AND CHARGING | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| Battery Capacity (Battery Size) | 3060 mAh | 2470 mAh | Silent Circle Blackphone 2 has larger battery capacity than bq Aquaris a4.5. |
|---|---|---|---|
| Battery Technology | Lithium polymer | Lithium polymer |
| CELLULAR | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 5.1.1 (Lollipop) | |
| Navigation | A-GPS, GLONASS | GPS |
| COMMUNICATIONS | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 2, Band 4, Band 7, Band 17 | - | |
| 4G LTE Frequency | FDD 1900 PCS, FDD 1700 - 2110 AWS, FDD 2600, FDD 700b | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MKA, MIDI, M4A, 3GA, AWB, IMY, RTTTL, RTX, OTA | |
|---|---|---|---|
| Supported Digital Video Standards | - | MKV, AVI, MPEG-4, 3GP, M4V, WebM, 3G2, 3GP2 | |
| Sound Enhancements | - | Dolby sound technology |
| FEATURES | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, call timer, conference call, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyro sensor, G-sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | |
| Additional Phone Features | Dual microphones | Dual microphones, noise reduction microphone, notification LED |
| OTHERS | Silent Circle Blackphone 2 | bq Aquaris a4.5 |
|---|
| Included Accessories | Headphones, USB cable, power adapter, SIM card removal tool | USB cable |
|---|
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