Samsung Galaxy J4 vs. OPPO AX7

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy J4 and OPPO AX7. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy J4 vs. OPPO AX7 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy J4 OPPO AX7
Product Type Smartphone Smartphone
Manufacturer Model Number SM-J400F/DS -
Form Factor Touch Touch
Height 151 mm 155.9 mm OPPO AX7 has greater height than Samsung Galaxy J4.
Width 77.2 mm 75.4 mm Samsung Galaxy J4 has greater width than OPPO AX7.
Depth 8.1 mm 8.1 mm Both phones are the same depth.
Weight 175 g 168 g OPPO AX7 is lighter than Samsung Galaxy J4.
Body Colour Black Glaze blue
Waterproof (Water-resistant) - -
SAR Value 1.492 W/kg (body), 0.356 W/kg (head) -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty Dual-SIM Single-SIM
DISPLAY Samsung Galaxy J4 OPPO AX7
Display Type OLED display LCD display
Display Technology HD Super AMOLED LTPS TFT
Screen Size (Display Size) 5.5" 6.2" OPPO AX7 has larger screen size than Samsung Galaxy J4.
Screen Resolution (Display Resolution) 1280 x 720 pixels 1520 x 720 pixels OPPO AX7 has better screen resolution than Samsung Galaxy J4.
Display Format HD HD+
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features - In-Cell Display Technology
PROCESSOR Samsung Galaxy J4 OPPO AX7
Processor Type (CPU) - Qualcomm Snapdragon 450
Clock Speed 1.4 GHz -
Processor Core Qty Quad-core -
64-bit Architecture - Yes OPPO AX7 has 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO 506
MEMORY Samsung Galaxy J4 OPPO AX7
RAM 2 GB 4 GB OPPO AX7 has more RAM than Samsung Galaxy J4.
Internal Memory Size (Storage Capacity) 16 GB 64 GB OPPO AX7 has more internal memory than Samsung Galaxy J4.
User Memory 9.6 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 256 GB
CAMERA Samsung Galaxy J4 OPPO AX7
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 13 Megapixel 13 Megapixel Both phones have the same camera resolution.
Lens Aperture F/1.9 F/2.2 Samsung Galaxy J4 has better lens aperture than Samsung Galaxy J4.
Lens Construction - 5-element
Focus Adjustment Automatic Automatic
Special Effects - HDR
Light Source Flash LED light
Video Resolutions 1920 x 1080 (1080p) at 30 fps -
Camera Features (Functions) - Phase Detect Auto-Focus (PDAF), AR sticker, AI Beautify
SECOND CAMERA
Sensor Resolution (2nd Camera) - 2 Megapixel
Lens Aperture (2nd Camera) - F/2.4
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 16 Megapixel OPPO AX7 has better front camera resolution than Samsung Galaxy J4.
Lens Aperture (Front) F/2.2 F/2.0 OPPO AX7 has better front lens aperture than Samsung Galaxy J4.
Special Effects (Front) - HDR, Bokeh effect
Light Source (Front) LED flash -
BATTERY AND CHARGING Samsung Galaxy J4 OPPO AX7
Battery Capacity (Battery Size) 3000 mAh 4230 mAh OPPO AX7 has larger battery capacity than Samsung Galaxy J4.
Talk Time 1200 minutes -
Run Time Details Active online usage (3G): up to 11 hrs
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (video): up to 18 hrs
Playback (audio): up to 80 hrs
Talk (WCDMA): up to 1200 min
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CELLULAR Samsung Galaxy J4 OPPO AX7
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Google Android ColorOS 5.2 (based on Android 8.1)
Navigation GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy J4 OPPO AX7
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 850, 900 2100, 1900, 1700, 850, 800, 900, 800
4G LTE Band Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11b/g/n IEEE 802.11b/g/n
Bluetooth Bluetooth 4.2 Bluetooth 4.2
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy J4 OPPO AX7
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID -
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 -
FEATURES Samsung Galaxy J4 OPPO AX7
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 Accelerometer, ambient light sensor, proximity sensor, digital compass, G-sensor
Security Devices - Fingerprint reader
Additional Phone Features Multitasking, Dual Messenger, Secure Folder function -
OTHERS Samsung Galaxy J4 OPPO AX7
Included Accessories Power adapter Headset, screen protection film, USB cable, power adapter, SIM card removal tool, protective case
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