In depth comparison and review of Google Pixel 3a and Google Pixel 4. 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 | Google Pixel 3a | Google Pixel 4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | G020F | G020M | |
| Form Factor | Touch | Touch | |
| Height | 151.3 mm | 147.1 mm | Google Pixel 3a has greater height than Google Pixel 4. |
| Width | 70.1 mm | 68.8 mm | Google Pixel 3a has greater width than Google Pixel 4. |
| Depth | 8.2 mm | 8.2 mm | Both phones are the same depth. |
| Weight | 147 g | 162 g | Google Pixel 3a is lighter than Google Pixel 3a. |
| Body Colour | Clearly white | Purple-ish | Just black | Simply black | Oh So Orange | Just black | Clearly white | |
| Body Material | Polycarbonate | Aluminum unibody with hybrid coating, Corning Gorilla Glass 5 | |
| Protection | - | Dustproof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | Google Pixel 4 is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 1.55 W/kg (body), 1.38 W/kg (head) | 1.19 W/kg (head) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C | |
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Single-SIM | Single-SIM |
| DISPLAY | Google Pixel 3a | Google Pixel 4 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | OLED | Flexible OLED | |
| Screen Size (Display Size) | 5.6" | 5.7" | Google Pixel 4 has larger screen size than Google Pixel 3a. |
| Screen Resolution (Display Resolution) | 2220 x 1080 pixels | 2160 x 1080 pixels | Google Pixel 3a has better screen resolution than Google Pixel 4. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 441 ppi | 444 ppi | Google Pixel 4 has better pixel density than Google Pixel 3a. |
| Aspect Ratio | 18:9 | 19:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 100000:1 | 100000:1 | Both phones have the same display contrast ratio. |
| HDR | - | Yes | Google Pixel 4 has HDR. |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Always-on display, Now Playing | Always-on display, Now Playing, Ambient EQ | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Google Pixel 3a | Google Pixel 4 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 670 | Qualcomm Snapdragon 855 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.84 GHz | Google Pixel 4 has higher clock speed than Google Pixel 3a. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 615 | Qualcomm ADRENO 640 |
| MEMORY | Google Pixel 3a | Google Pixel 4 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | LPDDR4X SDRAM - 6 GB | Google Pixel 4 has more RAM than Google Pixel 3a. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| CAMERA | Google Pixel 3a | Google Pixel 4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 12.2 Megapixel | 12.2 Megapixel | Both phones have the same camera resolution. |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.8 | F/1.7 | Google Pixel 4 has better lens aperture than Google Pixel 3a. |
| Field of View (FoV) | 76 degree(s) | 77 degree(s) | Google Pixel 4 has larger lens field of view than Google Pixel 3a. |
| Pixel Size | 1.4 μm | 1.4 μm | Both phones have the same camera pixel size. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | - | Live HDR+ | |
| Camera Modes | Portrait mode | Portrait mode, Night Vision | |
| Light Source | - | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps, 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 240 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 1920 x 1080 (1080p) at 120 fps, 1280 x 720 (720p) at 240 fps | |
| Camera Features (Functions) | Electronic Image Stabiliser (EIS), dual pixel phase detection, Motion Auto Focus | Electronic Image Stabiliser (EIS), dual pixel phase detection |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 16 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Telephoto lens | |
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Field of View (2nd Camera) | - | 52 degree(s) | |
| Pixel Size (2nd Camera) | - | 1 μm | |
| Camera Features (2nd Camera) | - | OIS (Optical Image Stabilisation), Electronic Image Stabiliser (EIS) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Field of View (Front) | 84 degree(s) | 90 degree(s) | Google Pixel 4 has larger front lens field of view than Google Pixel 3a. |
| Pixel Size (Front) | 1.12 μm | 1.22 μm | Google Pixel 4 has larger front camera pixel size than Google Pixel 3a. |
| Focus Adjustment | Focus free | Focus free | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 640 x 480 (VGA) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | - | 2 NIR cameras |
| BATTERY AND CHARGING | Google Pixel 3a | Google Pixel 4 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 2800 mAh | Google Pixel 3a has larger battery capacity than Google Pixel 4. |
|---|---|---|---|
| Fast Charging Technology | - | Power Delivery 2.0 | Google Pixel 4 has fast charging technology. |
| Wireless Charging | - | Yes | Google Pixel 4 can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Standby Time | - | 288 hours | |
| Run Time Details | - | Mixed usage: up to 32.2 hrs Standby: up to 288 hrs |
| CELLULAR | Google Pixel 3a | Google Pixel 4 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | Android 10 | |
| Intelligent Assistant | Google Assistant | Google Assistant | |
| Navigation | GPS, GLONASS, Galileo, QZSS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Google Pixel 3a | Google Pixel 4 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, LAA | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66, Band 71 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3, FDD 600 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 LE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Google Pixel 3a | Google Pixel 4 |
|---|
| Supported Digital Audio Standards | Apt-X, LDAC, apt-X HD | Apt-X, LDAC, apt-X HD |
|---|
| FEATURES | Google Pixel 3a | Google Pixel 4 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, barometer, magnetometer, gyro sensor, haptics sensor, Active Edge | Accelerometer, ambient light sensor, proximity sensor, barometer, magnetometer, gyro sensor, haptics sensor, Active Edge | |
| Security Devices | Fingerprint reader | Face recognition | |
| Security Technology | - | 3D Face unlock | |
| Additional Phone Features | Dual microphones, MIMO technology, Android Sensor Hub, Noise suppression, Night Shift, ARCore, Google Lens, Titan M Security Module, Pixel Imprint sensor | MIMO technology, Three microphones, Android Sensor Hub, Noise suppression, ARCore, Titan M Security Module, Pixel Neural Core, 3 years of security and OS updates |
| OTHERS | Google Pixel 3a | Google Pixel 4 |
|---|
| Included Accessories | SIM card removal tool, Quick switch adapter, 18W USB-C power adapter, USB-C to USB-C cable (1 m) | SIM card removal tool, Quick switch adapter, USB-C headphones, USB-C to USB-C cable, 18W USB-C power adapter | |
|---|---|---|---|
| Compliant Standards | - | IP68, HAC (Hearing Aid Compatible) |
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