OnePlus 7 vs. Google Pixel 4a

Phone Comparison, Reviews and Tests

In depth comparison and review of OnePlus 7 and Google Pixel 4a. 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.

Phone Specifications Comparison

OnePlus 7 vs. Google Pixel 4a Comparison Chart
DESIGN AND DIMENSIONS OnePlus 7 Google Pixel 4a
Product Type Smartphone Smartphone
Manufacturer Model Number - G025J
Form Factor Touch Touch
Height 157.7 mm 144 mm OnePlus 7 has greater height than Google Pixel 4a.
Width 74.8 mm 69.4 mm OnePlus 7 has greater width than Google Pixel 4a.
Depth 8.2 mm 8.2 mm Both phones are the same depth.
Weight 182 g 143 g Google Pixel 4a is lighter than OnePlus 7.
Body Colour Mirror grey Just black
Body Material 3D glass Polycarbonate
Waterproof (Water-resistant) - -
SAR Value - 1.19 W/kg (body), 1.18 W/kg (head)
Connector Type 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, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Single-SIM
DISPLAY OnePlus 7 Google Pixel 4a
Display Type OLED display OLED display
Display Technology Optic AMOLED OLED
Screen Size (Display Size) 6.41" 5.8" OnePlus 7 has larger screen size than Google Pixel 4a.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2340 x 1080 pixels Both phones have the same screen resolution.
Display Format - Full HD+
Pixel Density 402 ppi 443 ppi Google Pixel 4a has better pixel density than OnePlus 7.
Aspect Ratio 19.5:9 19.5:9
Colour Depth - 16.7 million colours
Contrast Ratio - 100000:1
HDR - Yes Google Pixel 4a has HDR.
Display Features 2.5D Glass, Reading mode, night mode, DCI-P3 Wide colour gamut, Video Enhancer Always-on display, Now Playing, True black level, display with transmissive hole
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) Corning Gorilla Glass 3 (scratch resistant glass)
PROCESSOR OnePlus 7 Google Pixel 4a
Processor Type (CPU) Snapdragon 855 Qualcomm Snapdragon 730
Clock Speed 2.84 GHz 2.2 GHz OnePlus 7 has higher clock speed than Google Pixel 4a.
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 640 Qualcomm ADRENO 618
MEMORY OnePlus 7 Google Pixel 4a
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface UFS 3.0 -
CAMERA OnePlus 7 Google Pixel 4a
MAIN CAMERA
Number of Main Cameras 2 1
Sensor Resolution 48 Megapixel 12.2 Megapixel OnePlus 7 has better camera resolution than Google Pixel 4a.
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Aperture F/1.7 F/1.7 Both phones have the same camera lens aperture.
Field of View (FoV) - 77 degree(s)
Pixel Size 0.8 μm 1.4 μm Google Pixel 4a 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 Blur
HDR Mode - HDR+
Camera Modes Panorama, Time-lapse mode, Pro mode, night mode, Portrait Portrait mode, Night Sight
Light Source Dual LED flash LED flash
Video Resolutions 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 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
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), RAW image capture, AI scene detection, AI studio lighting Electronic Image Stabiliser (EIS), Dual Pixel Phase Detect Auto-Focus (PDAF), Share in a snap
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) 16 Megapixel 8 Megapixel OnePlus 7 has better front camera resolution than Google Pixel 4a.
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 μm 1.12 μm Google Pixel 4a 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 864 x 480, 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Front) Electronic Image Stabiliser (EIS) -
BATTERY AND CHARGING OnePlus 7 Google Pixel 4a
Battery Capacity (Battery Size) 3700 mAh 3140 mAh OnePlus 7 has larger battery capacity than Google Pixel 4a.
Fast Charging Technology - Power Delivery 2.0 Google Pixel 4a has fast charging technology.
CELLULAR OnePlus 7 Google Pixel 4a
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA CDMA2000 1X / GSM / WCDMA (UMTS)
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System OxygenOS (based on Android Pie) Android 10
Intelligent Assistant - Google Assistant
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo, SBAS GPS, GLONASS, Galileo, QZSS
COMMUNICATIONS OnePlus 7 Google Pixel 4a
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900, 1700, 800 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 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 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 14, Band 17, Band 18, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, 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 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 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700 PS, FDD 700b, FDD 800 lower, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, 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 Bluetooth 5.0 LE
Bluetooth Profiles - A2DP
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OnePlus 7 Google Pixel 4a
Supported Digital Audio Standards WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, IMY, EAC3, MID, AMR-WB, AMR-NB AAC, apt-X, LDAC, apt-X HD
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 -
Sound Enhancements Dolby Atmos sound technology -
FEATURES OnePlus 7 Google Pixel 4a
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, digital compass, gyro sensor Accelerometer, ambient light sensor, proximity sensor, barometer, magnetometer, gyro sensor
Security Devices Fingerprint reader (under display), face recognition Fingerprint reader
Additional Phone Features Face Unlock, Noise Cancellation Technology, MIMO technology, Fast Charging, AI Engine Dual microphones, MIMO technology, Android Sensor Hub, Noise suppression, ARCore, Google Lens, Titan M Security Module, Pixel Imprint sensor, 3 years of security and OS updates, Google Cast
OTHERS OnePlus 7 Google Pixel 4a
Included Accessories Power adapter, SIM card removal tool, sticker, USB-C cable, screen protector (pre-applied), protective case SIM card removal tool, Quick switch adapter, 18W USB-C power adapter, USB-C to USB-C cable (1 m)
Compliant Standards - HAC (Hearing Aid Compatible)
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