OnePlus 3 vs. Samsung Galaxy A40

Phone Comparison, Reviews and Tests

Side by side comparison and review of OnePlus 3 and Samsung Galaxy A40. 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. Samsung Galaxy A40 Comparison Chart
DESIGN AND DIMENSIONS OnePlus 3 Samsung Galaxy A40
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A405FN/DS
Form Factor Touch Touch
Height 152.7 mm 144.4 mm OnePlus 3 has greater height than Samsung Galaxy A40.
Width 74.7 mm 69.2 mm OnePlus 3 has greater width than Samsung Galaxy A40.
Depth 7.4 mm 7.9 mm OnePlus 3 is narrower than OnePlus 3.
Weight 158 g 140 g Samsung Galaxy A40 is lighter than OnePlus 3.
Body Colour - Blue | Coral | White | Black
Body Material Anodised aluminium -
Waterproof (Water-resistant) - -
SAR Value 0.645 W/kg (body), 0.995 W/kg (head) 1.34 W/kg (body), 0.49 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
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY OnePlus 3 Samsung Galaxy A40
Display Type OLED display OLED display
Display Technology Optic AMOLED Super AMOLED
Screen Size (Display Size) 5.5" 5.9" Samsung Galaxy A40 has larger screen size than OnePlus 3.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels Samsung Galaxy A40 has better screen resolution than OnePlus 3.
Display Format Full HD Full HD+
Pixel Density 401 ppi 439 ppi Samsung Galaxy A40 has better pixel density than OnePlus 3.
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Enhancement Technology - Blue light filter
Display Features - Always-on display, Infinity Display, Edge-to-Edge screen
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) -
PROCESSOR OnePlus 3 Samsung Galaxy A40
Processor Type (CPU) Qualcomm Snapdragon 820 Samsung Exynos
Processor Number MSM8996 7904
Clock Speed 2.15 GHz 1.8 GHz OnePlus 3 has higher clock speed than Samsung Galaxy A40.
Processor Core Qty Quad-core 8-core Samsung Galaxy A40 has higher processor core quantity than OnePlus 3.
64-bit Architecture Yes - OnePlus 3 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 530 -
MEMORY OnePlus 3 Samsung Galaxy A40
RAM 6 GB 4 GB OnePlus 3 has more RAM than Samsung Galaxy A40.
Internal Memory Size (Storage Capacity) 64 GB 64 GB Both phones have the same internal memory capacity.
User Memory - 49.4 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 512 GB
CAMERA OnePlus 3 Samsung Galaxy A40
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 16 Megapixel 16 Megapixel Both phones have the same camera resolution.
Sensor Name Sony Exmor RS IMX298 sensor -
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.7 Samsung Galaxy A40 has better lens aperture than OnePlus 3.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OnePlus 3 has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR -
HDR Mode Auto HDR mode -
Camera Modes Panorama Panorama, Pro mode, HYPERLAPSE, portrait mode, AR Emoji, Flowers, Animals, Landscapes, Trees, Sky, Mountains, Beaches, Street scenes, Waterfalls, Snow, Birds, Text, Food, Indoor, Night view, Sunsets, Portaits, Green, Sunrises, Shore
Face Recognition (Face ID) Face detection - OnePlus 3 has face detection.
Light Source LED light 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
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), geotagging AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection
SECOND CAMERA
Sensor Resolution (2nd Camera) - 5 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 25 Megapixel Samsung Galaxy A40 has better front camera resolution than OnePlus 3.
Sensor Name (Front) Sony Exmor R IMX179 sensor -
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Focus Adjustment Focus free Automatic
Camera Modes (Front) - Portrait mode, AR Emoji, Motion Photos
Light Source (Front) - Display flash
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps -
Camera Features (Front) - Floating camera button
BATTERY AND CHARGING OnePlus 3 Samsung Galaxy A40
Battery Capacity (Battery Size) 3000 mAh 3100 mAh Samsung Galaxy A40 has larger battery capacity than OnePlus 3.
Fast Charging Technology - Samsung Fast Charging Samsung Galaxy A40 has fast charging technology.
Talk Time - 1080 minutes
Run Time Details - Active online usage (3G): up to 9 hrs
Active online usage (4G): up to 11 hrs
Active online usage (Wi-Fi): up to 11 hrs
Playback (video): up to 14 hrs
Playback (audio): up to 62 hrs
Talk (3G): up to 1080 min
Battery Technology Lithium Ion -
CELLULAR OnePlus 3 Samsung Galaxy A40
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System OxygenOS (based on Android 6.0.1) Android 9.0 Pie
User Interface - Samsung One UI
Intelligent Assistant - Bixby
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OnePlus 3 Samsung Galaxy A40
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band - 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 4, Band 5, Band 7, Band 12, Band 17, Band 30 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41
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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 4.2 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 3 Samsung Galaxy A40
Supported Digital Audio Standards WAV, WMA, MP3, FLAC, eAAC+ WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards XviD, MPEG-4, DivX, H.265 MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2
Sound Enhancements Dirac sound technologies Dolby Atmos sound technology
FEATURES OnePlus 3 Samsung Galaxy A40
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, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader
Additional Phone Features DLNA Certified, sharing media via DLNA Alarm Clock, Fast Charging
OTHERS OnePlus 3 Samsung Galaxy A40
Included Accessories Screen protection film, USB cable, power adapter, SIM card removal tool Power adapter
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