OnePlus 3 vs. OnePlus 7

Phone Comparison, Reviews and Tests

Side by side comparison and review of OnePlus 3 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

OnePlus 3 vs. OnePlus 7 Comparison Chart
DESIGN AND DIMENSIONS OnePlus 3 OnePlus 7
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 152.7 mm 157.7 mm OnePlus 7 has greater height than OnePlus 3.
Width 74.7 mm 74.8 mm OnePlus 7 has greater width than OnePlus 3.
Depth 7.4 mm 8.2 mm OnePlus 3 is narrower than OnePlus 3.
Weight 158 g 182 g OnePlus 3 is lighter than OnePlus 3.
Body Colour - Mirror grey
Body Material Anodised aluminium 3D glass
Waterproof (Water-resistant) - -
SAR Value 0.645 W/kg (body), 0.995 W/kg (head) -
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
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY OnePlus 3 OnePlus 7
Display Type OLED display OLED display
Display Technology Optic AMOLED Optic AMOLED
Screen Size (Display Size) 5.5" 6.41" OnePlus 7 has larger screen size than OnePlus 3.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels OnePlus 7 has better screen resolution than OnePlus 3.
Display Format Full HD -
Pixel Density 401 ppi 402 ppi OnePlus 7 has better pixel density than OnePlus 3.
Aspect Ratio - 19.5:9
Colour Depth 16.7 million colours -
Display Features - 2.5D Glass, Reading mode, night mode, DCI-P3 Wide colour gamut, Video Enhancer
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) Corning Gorilla Glass (scratch resistant glass)
PROCESSOR OnePlus 3 OnePlus 7
Processor Type (CPU) Qualcomm Snapdragon 820 Snapdragon 855
Processor Number MSM8996 -
Clock Speed 2.15 GHz 2.84 GHz OnePlus 7 has higher clock speed than OnePlus 3.
Processor Core Qty Quad-core 8-core OnePlus 7 has higher processor core quantity than OnePlus 3.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 530 Qualcomm ADRENO 640
MEMORY OnePlus 3 OnePlus 7
RAM 6 GB LPDDR4X SDRAM - 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 128 GB OnePlus 7 has more internal memory than OnePlus 3.
Memory Interface - UFS 3.0
CAMERA OnePlus 3 OnePlus 7
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 16 Megapixel 48 Megapixel OnePlus 7 has better camera resolution than OnePlus 3.
Sensor Name Sony Exmor RS IMX298 sensor Sony Exmor RS IMX586 sensor
Lens Aperture F/2.0 F/1.7 OnePlus 7 has better lens aperture than OnePlus 3.
Pixel Size - 0.8 μm
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 HDR
HDR Mode Auto HDR mode -
Camera Modes Panorama Panorama, Time-lapse mode, Pro mode, night mode, Portrait
Face Recognition (Face ID) Face detection - OnePlus 3 has face detection.
Light Source LED light Dual LED flash
Video Resolutions 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 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) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), geotagging 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 OnePlus 3.
Sensor Name (Front) Sony Exmor R IMX179 sensor Sony Exmor RX IMX471 sensor
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Pixel Size (Front) - 1 μm
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 1920 x 1080 (1080p) at 30 fps
Camera Features (Front) - Electronic Image Stabiliser (EIS)
BATTERY AND CHARGING OnePlus 3 OnePlus 7
Battery Capacity (Battery Size) 3000 mAh 3700 mAh OnePlus 7 has larger battery capacity than OnePlus 3.
Battery Technology Lithium Ion -
CELLULAR OnePlus 3 OnePlus 7
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System OxygenOS (based on Android 6.0.1) OxygenOS (based on Android Pie)
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo, SBAS
COMMUNICATIONS OnePlus 3 OnePlus 7
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-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
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19
3G UMTS Frequency - 2100, 1900, 1700, 850, 900, 1700, 800
4G LTE Band Band 1, Band 2, Band 4, Band 5, Band 7, Band 12, Band 17, Band 30 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 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 700a, FDD 700b, FDD 2300 WCS 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 4.2 Bluetooth 5.0
Bluetooth Profiles A2DP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OnePlus 3 OnePlus 7
Supported Digital Audio Standards WAV, WMA, MP3, FLAC, eAAC+ 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 XviD, MPEG-4, DivX, H.265 MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4
Sound Enhancements Dirac sound technologies Dolby Atmos sound technology
FEATURES OnePlus 3 OnePlus 7
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, digital compass, gyro sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor
Security Devices Fingerprint reader Fingerprint reader (under display), face recognition
Additional Phone Features DLNA Certified, sharing media via DLNA Face Unlock, Noise Cancellation Technology, MIMO technology, Fast Charging, AI Engine
OTHERS OnePlus 3 OnePlus 7
Included Accessories Screen protection film, USB cable, power adapter, SIM card removal tool Power adapter, SIM card removal tool, sticker, USB-C cable, screen protector (pre-applied), protective case
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