Samsung Galaxy J7 Duo vs. OPPO Reno Z

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy J7 Duo and OPPO Reno Z. 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 J7 Duo vs. OPPO Reno Z Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy J7 Duo OPPO Reno Z
Product Type Smartphone Smartphone
Manufacturer Model Number SM-J720F CPH1979
Form Factor Touch Touch
Height 153.5 mm 157.3 mm OPPO Reno Z has greater height than Samsung Galaxy J7 Duo.
Width 77.2 mm 74.9 mm Samsung Galaxy J7 Duo has greater width than OPPO Reno Z.
Depth 8.2 mm 9.1 mm Samsung Galaxy J7 Duo is narrower than Samsung Galaxy J7 Duo.
Weight 174 g 186 g Samsung Galaxy J7 Duo is lighter than Samsung Galaxy J7 Duo.
Body Colour Black Jet black | Aurora purple
Body Material - 3D glass
Waterproof (Water-resistant) - -
SAR Value 1.397 W/kg (body), 0.543 W/kg (head) 0.932 W/kg (head), 3.99 W/kg (limb), 1.175 W/kg (body)
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Samsung Galaxy J7 Duo OPPO Reno Z
Display Type OLED display OLED display
Display Technology HD Super AMOLED AMOLED
Screen Size (Display Size) 5.5" 6.4" OPPO Reno Z has larger screen size than Samsung Galaxy J7 Duo.
Screen Resolution (Display Resolution) 1280 x 720 pixels 2340 x 1080 pixels OPPO Reno Z has better screen resolution than Samsung Galaxy J7 Duo.
Display Format HD -
Pixel Density - 402 ppi
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Enhancement Technology - OnCell technology
Display Protection (Screen Protector) - Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Samsung Galaxy J7 Duo OPPO Reno Z
Processor Type (CPU) - MediaTek Helio P90
Clock Speed 1.6 GHz -
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes OPPO Reno Z has 64-bit architecture.
Graphics System (GPU) - 9XM-HP8
MEMORY Samsung Galaxy J7 Duo OPPO Reno Z
RAM 3 GB 4 GB OPPO Reno Z has more RAM than Samsung Galaxy J7 Duo.
Internal Memory Size (Storage Capacity) 32 GB 128 GB OPPO Reno Z has more internal memory than Samsung Galaxy J7 Duo.
User Memory 21.9 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB -
CAMERA Samsung Galaxy J7 Duo OPPO Reno Z
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 13 Megapixel 48 Megapixel OPPO Reno Z has better camera resolution than Samsung Galaxy J7 Duo.
Sensor Size - 1/2"
Sensor Name - Sony Exmor RS IMX586 sensor
Lens Aperture F/1.9 F/1.7 OPPO Reno Z has better lens aperture than Samsung Galaxy J7 Duo.
Focus Adjustment Automatic Automatic
Special Effects - HDR
Camera Modes - Time-lapse mode, Slow motion mode, Expert Mode, Backlit, Portrait, Pano mode, Dazzle Colour Mode, Ultra Night Mode 2.0
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps
Camera Features (Functions) - Noise reduction, EIS video stabilisation, 4-in-1 resolution focus technology
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 5 Megapixel Both phones have the same second camera resolution.
Lens Aperture (2nd Camera) F/1.9 F/2.4 Samsung Galaxy J7 Duo has better second camera lens aperture than Samsung Galaxy J7 Duo.
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 32 Megapixel OPPO Reno Z has better front camera resolution than Samsung Galaxy J7 Duo.
Lens Aperture (Front) F/1.9 F/2.0 Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo.
BATTERY AND CHARGING Samsung Galaxy J7 Duo OPPO Reno Z
Battery Capacity (Battery Size) 3000 mAh 4035 mAh OPPO Reno Z has larger battery capacity than Samsung Galaxy J7 Duo.
Fast Charging Technology - VOOC Flash Charge technology 3.0 OPPO Reno Z has fast charging technology.
Talk Time 1200 minutes -
Run Time Details Active online usage (WCDMA): 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 17 hrs
Playback (audio): up to 66 hrs
Talk (WCDMA): up to 1200 min
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CELLULAR Samsung Galaxy J7 Duo OPPO Reno Z
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 6 (based on Android 9)
Intelligent Assistant Bixby -
Navigation GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy J7 Duo OPPO Reno Z
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 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 41 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, TDD 2500 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 802.11a/b/g/n/ac, ANT+/ANT Wi-Fi
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC - Yes OPPO Reno Z has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy J7 Duo OPPO Reno Z
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 -
Sound Enhancements - Dolby Atmos Surround Sound
FEATURES Samsung Galaxy J7 Duo OPPO Reno Z
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, proximity sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader (under display)
Additional Phone Features - Protective O-Dot, Game Boost 2.0
OTHERS Samsung Galaxy J7 Duo OPPO Reno Z
Included Accessories Power adapter Headphones, power adapter, SIM card removal tool, cover, USB-C cable
Compliant Standards - TUV Rheinland
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