Detailed comparison and review of ASUS ZenFone 3 (ZE520KL) and Google Pixel 7a. 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 ZenFone 3 (ZE520KL) | Google Pixel 7a |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | ZE520KL | GHL1X | |
| Form Factor | Touch | Touch | |
| Height | 146.87 mm | 152 mm | Google Pixel 7a has greater height than ASUS ZenFone 3 (ZE520KL). |
| Width | 73.98 mm | 72.9 mm | ASUS ZenFone 3 (ZE520KL) has greater width than Google Pixel 7a. |
| Depth | 7.69 mm | 9 mm | ASUS ZenFone 3 (ZE520KL) is narrower than ASUS ZenFone 3 (ZE520KL). |
| Weight | 144 g | 193.5 g | ASUS ZenFone 3 (ZE520KL) is lighter than ASUS ZenFone 3 (ZE520KL). |
| Body Colour | Moon white | Gold shimmer | Black sapphire | Sea | Snow | Charcoal | |
| Body Material | Metal, glass | Tactile alloy frame, 3D thermoformed composite back | |
| Protection | - | Water-resistant, dust-resistant, fingerprint-resistant | |
| Waterproof (Water-resistant) | - | Yes | Google Pixel 7a is waterproof. |
| IP rating | - | IP67 | |
| Repairability Index | - | 8 (out of 10) | |
| SAR Value | 0.938 W/kg (body), 0.278 W/kg (head) | 2.99 W/kg (limb), 1.3 W/kg (body), 0.99 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-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) | Google Pixel 7a |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | Super IPS+ | OLED | |
| Screen Size (Display Size) | 5.2" | 6.1" | Google Pixel 7a has larger screen size than ASUS ZenFone 3 (ZE520KL). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2400 x 1080 pixels | Google Pixel 7a has better screen resolution than ASUS ZenFone 3 (ZE520KL). |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | - | 429 ppi | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 600 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | - | 1000000:1 | |
| HDR | - | Yes | Google Pixel 7a has HDR. |
| Display Enhancement Technology | Bluelight Filter for Eye Care | - | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | ASUS Glove Touch technology, 2.5D curved glass | Always-on display, Now Playing, Smooth Display (up to 90 Hz), High brightness mode, At a Glance | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | ASUS ZenFone 3 (ZE520KL) | Google Pixel 7a |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | Google Tensor G2 - with Titan M2 security | |
|---|---|---|---|
| Clock Speed | 2 GHz | - | |
| Processor Core Qty | 8-core | - | |
| 64-bit Architecture | Yes | - | ASUS ZenFone 3 (ZE520KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | - |
| MEMORY | ASUS ZenFone 3 (ZE520KL) | Google Pixel 7a |
|---|
| RAM | 3 GB | LPDDR5 SDRAM - 8 GB | Google Pixel 7a has more RAM than ASUS ZenFone 3 (ZE520KL). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Google Pixel 7a has more internal memory than ASUS ZenFone 3 (ZE520KL). |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
| CAMERA | ASUS ZenFone 3 (ZE520KL) | Google Pixel 7a |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 64 Megapixel | Google Pixel 7a has better camera resolution than ASUS ZenFone 3 (ZE520KL). |
| Sensor Size | - | 1/1.73" | |
| Sensor Name | Sony Exmor RS IMX298 sensor | - | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.0 | F/1.89 | Google Pixel 7a has better lens aperture than ASUS ZenFone 3 (ZE520KL). |
| Lens Construction | 6-element | - | |
| Field of View (FoV) | - | 80 degree(s) | |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | 4 Stop OIS (Optical Image Stabilisation) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Digital Zoom | - | 5x | |
| Special Effects | Depth of field | - | |
| HDR Mode | Auto HDR mode | Live HDR+ | |
| Camera Modes | Panorama, Time-lapse mode, night mode, manual mode, Real time beauty mode, super resolution mode, All Smiles mode, Mini mode | Panorama, portrait mode, Night Sight, Long exposure mode, Top Shot, Super Res Zoom, Frequent Faces, Real Tone, Face Unblur, Magic Eraser, Portrait Light, Motion autofocus, Astrophotography timelapse, slow motion video at 240fps, Photo Unblur | |
| White Balance | - | Custom | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 3840 x 2160 (4K) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, GIF animation function, Smart Remove, Electronic Image Stabiliser (EIS), Time Rewind, Largan lens | Electronic Image Stabiliser (EIS), Stereo Recording, HEVC (High Efficiency Video coding), Dual Exposure Controls, 4K Cinematic Pan video stabilisation, 4K Locked video stabilisation, 1080p Active video stabilisation, Fused video stabilisation, speech enhancement, Super Res Zoom up to 8x, Fast camera launcher, AVC (H.264), Wind noise reduction, Locked Folder, Quad PD Quad Bayer wide camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 120 degree(s) | |
| Pixel Size (2nd Camera) | - | 1.12 μm | |
| Camera Features (2nd Camera) | - | Dual Pixel Phase Detect Auto-Focus (PDAF), Lens correction |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 13 Megapixel | Google Pixel 7a has better front camera resolution than ASUS ZenFone 3 (ZE520KL). |
| Lens Aperture (Front) | F/2.0 | F/2.2 | ASUS ZenFone 3 (ZE520KL) has better front lens aperture than ASUS ZenFone 3 (ZE520KL). |
| Field of View (Front) | - | 95 degree(s) | |
| Pixel Size (Front) | - | 1.22 μm | |
| Focus Adjustment | - | Focus free | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Selfie panorama | - | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Front) | PixelMaster camera | - |
| BATTERY AND CHARGING | ASUS ZenFone 3 (ZE520KL) | Google Pixel 7a |
|---|
| Battery Capacity (Battery Size) | 2650 mAh | 4385 mAh | Google Pixel 7a has larger battery capacity than ASUS ZenFone 3 (ZE520KL). |
|---|---|---|---|
| Wireless Charging | - | Yes | Google Pixel 7a can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Run Time Details | - | Mixed usage: up to 24 hrs Mixed usage (Extreme Battery Saver): up to 72 hrs |
| CELLULAR | ASUS ZenFone 3 (ZE520KL) | Google Pixel 7a |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Google Pixel 7a has more advanced generation mobile network. |
| Operating System | Android 6.0 (Marshmallow) | Android 13 | |
| User Interface | ASUS ZenUI 3.0 | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | ASUS ZenFone 3 (ZE520KL) | Google Pixel 7a |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, DC-HSPA+ | EDGE, HSDPA, HSPA+, LTE, 5G NR FR1 | |
|---|---|---|---|
| 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 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 21, Band 25, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1500 upper, FDD 1900+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n75, n76, n77, n78, n79, n40, n25, n12 | |
| 5G NR Frequency | - | FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, SDL DL 1500+, SDL DL 1500-, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900, n12 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n/ac | Wi-Fi 6E | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.3 BLE | |
| NFC | - | Yes | Google Pixel 7a has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | ASUS ZenFone 3 (ZE520KL) | Google Pixel 7a |
|---|
| Supported Digital Video Standards | - | H.264 AVC, H.265 HEVC |
|---|
| FEATURES | ASUS ZenFone 3 (ZE520KL) | Google Pixel 7a |
|---|
| 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, ambient light sensor, proximity sensor, barometer, magnetometer, gyro sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display), face recognition | |
| 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 | Dual microphones, MIMO technology, Noise suppression, Fast Charging, Google Cast, dual stereo speakers, 5 years of Security Updates, Private Compute Core, Built-in VPN powered by Google One, End-to-end security designed by Google, anti-phishing, anti-malware protection, Live Translate, Titan M2 Security Module, microphone toggle, camera toggle |
| OTHERS | ASUS ZenFone 3 (ZE520KL) | Google Pixel 7a |
|---|
| Included Accessories | Power adapter | SIM card removal tool, Quick switch adapter, USB-C to USB-C cable (1 m) | |
|---|---|---|---|
| Compliant Standards | - | IP67, HEARING AID M3/T3 | |
| Product Recycled Content | - | 100 % - aluminium housing |
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