Google Pixel 3a vs. OnePlus 7

Phone Comparison, Reviews and Tests

Side by side comparison and review of Google Pixel 3a and OnePlus 7. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Google Pixel 3a vs. OnePlus 7 Comparison Chart
DESIGN AND DIMENSIONS Google Pixel 3a OnePlus 7
Product Type Smartphone Smartphone
Manufacturer Model Number G020F -
Form Factor Touch Touch
Height 151.3 mm 157.7 mm OnePlus 7 has greater height than Google Pixel 3a.
Width 70.1 mm 74.8 mm OnePlus 7 has greater width than Google Pixel 3a.
Depth 8.2 mm 8.2 mm Both phones are the same depth.
Weight 147 g 182 g Google Pixel 3a is lighter than Google Pixel 3a.
Body Colour Clearly white | Purple-ish | Just black Mirror grey
Body Material Polycarbonate 3D glass
Waterproof (Water-resistant) - -
SAR Value 1.55 W/kg (body), 1.38 W/kg (head) -
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM, Electronic SIM card (e-SIM) Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Google Pixel 3a OnePlus 7
Display Type OLED display OLED display
Display Technology OLED Optic AMOLED
Screen Size (Display Size) 5.6" 6.41" OnePlus 7 has larger screen size than Google Pixel 3a.
Screen Resolution (Display Resolution) 2220 x 1080 pixels 2340 x 1080 pixels OnePlus 7 has better screen resolution than Google Pixel 3a.
Display Format Full HD+ -
Pixel Density 441 ppi 402 ppi Google Pixel 3a has better pixel density than OnePlus 7.
Aspect Ratio 18:9 19.5:9
Colour Depth 16.7 million colours -
Contrast Ratio 100000:1 -
Display Features Always-on display, Now Playing 2.5D Glass, Reading mode, night mode, DCI-P3 Wide colour gamut, Video Enhancer
Display Protection (Screen Protector) - Corning Gorilla Glass (scratch resistant glass)
PROCESSOR Google Pixel 3a OnePlus 7
Processor Type (CPU) Qualcomm Snapdragon 670 Snapdragon 855
Clock Speed 2 GHz 2.84 GHz OnePlus 7 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 OnePlus 7
RAM LPDDR4X SDRAM - 4 GB LPDDR4X SDRAM - 6 GB OnePlus 7 has more RAM than Google Pixel 3a.
Internal Memory Size (Storage Capacity) 64 GB 128 GB OnePlus 7 has more internal memory than Google Pixel 3a.
Memory Interface - UFS 3.0
CAMERA Google Pixel 3a OnePlus 7
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 12.2 Megapixel 48 Megapixel OnePlus 7 has better camera resolution than Google Pixel 3a.
Sensor Name - Sony Exmor RS IMX586 sensor
Lens Aperture F/1.8 F/1.7 OnePlus 7 has better lens aperture than Google Pixel 3a.
Field of View (FoV) 76 degree(s) -
Pixel Size 1.4 μm 0.8 μm Google Pixel 3a has larger camera pixel size than OnePlus 7.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Special Effects - HDR
Camera Modes Portrait mode Panorama, Time-lapse mode, Pro mode, night mode, Portrait
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, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps
Camera Features (Functions) Electronic Image Stabiliser (EIS), dual pixel phase detection, Motion Auto Focus Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), RAW image capture, AI scene detection, AI studio lighting
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Aperture (2nd Camera) - F/2.4
Pixel Size (2nd Camera) - 1.12 μm
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 16 Megapixel OnePlus 7 has better front camera resolution than Google Pixel 3a.
Sensor Name (Front) - Sony Exmor RX IMX471 sensor
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) -
Pixel Size (Front) 1.12 μm 1 μm Google Pixel 3a has larger front camera pixel size than OnePlus 7.
Focus Adjustment Focus free Focus free
Special Effects (Front) - HDR, face retouch
Camera Modes (Front) - Time-lapse mode
Face Recognition (Face ID) - Face recognition OnePlus 7 has face detection.
Light Source (Front) - Display flash
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) - Electronic Image Stabiliser (EIS)
BATTERY AND CHARGING Google Pixel 3a OnePlus 7
Battery Capacity (Battery Size) 3000 mAh 3700 mAh OnePlus 7 has larger battery capacity than Google Pixel 3a.
CELLULAR Google Pixel 3a OnePlus 7
Technology CDMA2000 1X / GSM / WCDMA (UMTS) CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 9.0 Pie OxygenOS (based on Android Pie)
Intelligent Assistant Google Assistant -
Navigation GPS, GLONASS, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou, Galileo, SBAS
COMMUNICATIONS Google Pixel 3a OnePlus 7
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900, 1700, 800
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 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66
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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Google Pixel 3a OnePlus 7
Supported Digital Audio Standards Apt-X, LDAC, apt-X HD WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, IMY, EAC3, MID, AMR-WB, AMR-NB
Supported Digital Video Standards - MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4
Sound Enhancements - Dolby Atmos sound technology
FEATURES Google Pixel 3a OnePlus 7
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, digital compass, gyro sensor
Security Devices Fingerprint reader Fingerprint reader (under display), face recognition
Additional Phone Features Dual microphones, MIMO technology, Android Sensor Hub, Noise suppression, Night Shift, ARCore, Google Lens, Titan M Security Module, Pixel Imprint sensor Face Unlock, Noise Cancellation Technology, MIMO technology, Fast Charging, AI Engine
OTHERS Google Pixel 3a OnePlus 7
Included Accessories SIM card removal tool, Quick switch adapter, 18W USB-C power adapter, USB-C to USB-C cable (1 m) Power adapter, SIM card removal tool, sticker, USB-C cable, screen protector (pre-applied), protective case
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