In depth comparison and review of ASUS ZenFone 3 (ZE520KL) and TCL 306. 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 | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE520KL | 6102H | |
| Form Factor | Touch | Touch | |
| Height | 146.87 mm | 165.2 mm | TCL 306 has greater height than ASUS ZenFone 3 (ZE520KL). |
| Width | 73.98 mm | 75.5 mm | TCL 306 has greater width than ASUS ZenFone 3 (ZE520KL). |
| Depth | 7.69 mm | 8.9 mm | ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL). |
| Weight | 144 g | 190 g | ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL). |
| Body Colour | Moon white | Gold shimmer | Black sapphire | Space grey | |
| Body Material | Metal, glass | - | |
| Waterproof (Water-resistant) | - | - | TCL 306 is waterproof. |
| SAR Value | 0.938 W/kg (body), 0.278 W/kg (head) | 1.3 W/kg (body), 1.126 W/kg (head), 3.173 W/kg (limb) | |
| Integrated Components | FM radio | FM radio, LED flashlight | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | Super IPS+ | - | |
| Screen Size (Display Size) | 5.2" | 6.52" | TCL 306 has larger screen size than ASUS ZenFone 3 (ZE520KL). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | ASUS ZenFone 3 (ZE520KL) has better screen resolution than TCL 306. |
| Display Format | Full HD | HD+ | |
| Pixel Density | - | 269 ppi | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 600 cd/m² | 450 cd/m² | ASUS ZenFone 3 (ZE520KL) has better display brightness than TCL 306. |
| Contrast Ratio | - | 1000:1 | |
| Display Enhancement Technology | Bluelight Filter for Eye Care | - | |
| Display Features | ASUS Glove Touch technology, 2.5D curved glass | Sunlight Display, Dark mode, V-notch display, TCL NXTVISION | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) | - |
| PROCESSOR | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | MediaTek Helio G25 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | ASUS ZenFone 3 (ZE520KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | IMG GE8320 |
| MEMORY | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| RAM | 3 GB | 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 512 GB |
| CAMERA | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 13 Megapixel | ASUS ZenFone 3 (ZE520KL) has better camera resolution than TCL 306. |
| Sensor Size | - | 1/3.06" | |
| Sensor Name | Sony Exmor RS IMX298 sensor | - | |
| Lens Aperture | F/2.0 | F/2.2 | ASUS ZenFone 3 (ZE520KL) has better lens aperture than ASUS ZenFone 3 (ZE520KL). |
| Lens Construction | 6-element | 4-element | |
| Field of View (FoV) | - | 76.7 degree(s) | |
| Pixel Size | - | 1.12 μm | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | - | ASUS ZenFone 3 (ZE520KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Special Effects | Depth of field | HDR, Bokeh effect | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | Panorama, Pro mode, Gesture Shot, Macro mode | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 3840 x 2160 (4K) | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens | Phase Detect Auto-Focus (PDAF), AI scene recognition |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/5" | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | - | 86.6 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.65 μm | |
| Camera Functions (2nd Camera) | - | Depth camera |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/5" | |
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | - | 88.8 degree(s) | |
| Pixel Size (3rd Camera) | - | 1.75 μm | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | ASUS ZenFone 3 (ZE520KL) has better front camera resolution than TCL 306. |
| Sensor Size (Front) | - | 1/5" | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL). |
| Lens Element Qty (Front) | - | 3-element | |
| Field of View (Front) | - | 76 degree(s) | |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | HDR | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Selfie panorama | Portrait mode | |
| Face Recognition (Face ID) | - | Face tracking | TCL 306 has face detection. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | PixelMaster camera | Auto capture |
| BATTERY AND CHARGING | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| Battery Capacity (Battery Size) | 2650 mAh | 5000 mAh | TCL 306 has larger battery capacity than ASUS ZenFone 3 (ZE520KL). |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 3.2 hour(s) | |
| Run Time Details | - | Mixed usage: up to 48 hrs |
| CELLULAR | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 12 | |
| User Interface | ASUS ZenUI 3.0 | TCL UI | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ | GPRS, EDGE, HSPA+, LTE, VoLTE, VoWiFi | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | - | Yes | TCL 306 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| Supported Digital Audio Standards | - | AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AWB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | - | MPEG-4, H.263, HEVC, VP8, VP9, H.265, H.264 AVC |
| FEATURES | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, RGB sensor | Accelerometer, proximity sensor, digital compass, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Infrared remote control, Dual microphones, Hi-Res Audio, Google Drive Storage (100 GB) (free for 2 years), ASUS SonicMaster 3.0 technology, ASUS NoiseZero Talk technology | HD Voice, dual microphones with noise cancellation |
| OTHERS | ASUS ZenFone 3 (ZE520KL) | TCL 306 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
