Samsung Galaxy J7 Duo vs. Ulefone Armor X3

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy J7 Duo and Ulefone Armor X3. 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. Ulefone Armor X3 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy J7 Duo Ulefone Armor X3
Product Type Smartphone Smartphone
Manufacturer Model Number SM-J720F -
Form Factor Touch Touch - Rugged
Height 153.5 mm 158 mm Ulefone Armor X3 has greater height than Samsung Galaxy J7 Duo.
Width 77.2 mm 77.5 mm Ulefone Armor X3 has greater width than Samsung Galaxy J7 Duo.
Depth 8.2 mm 13.85 mm Samsung Galaxy J7 Duo is narrower than Samsung Galaxy J7 Duo.
Weight 174 g 235 g Samsung Galaxy J7 Duo is lighter than Samsung Galaxy J7 Duo.
Body Colour Black Silver
Body Material - Aluminium alloy, thermoplastic polyurethane (TPU)
Protection - Dustproof, waterproof, drop-proof, splash-resistant
Waterproof (Water-resistant) - Yes Ulefone Armor X3 is waterproof.
IP rating - IP68, IP69K, IP69
SAR Value 1.397 W/kg (body), 0.543 W/kg (head) 0.356 W/kg (body), 0.186 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 Single-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy J7 Duo Ulefone Armor X3
Display Type OLED display LCD display
Display Technology HD Super AMOLED IPS
Screen Size (Display Size) 5.5" 5.5" Both phones have the same screen size.
Screen Resolution (Display Resolution) 1280 x 720 pixels 1440 x 720 pixels Ulefone Armor X3 has better screen resolution than Samsung Galaxy J7 Duo.
Display Format HD HD+
Pixel Density - 293 ppi
Aspect Ratio - 18:9
Colour Depth 16.7 million colours -
PROCESSOR Samsung Galaxy J7 Duo Ulefone Armor X3
Processor Type (CPU) - MediaTek
Processor Number - MT6580
Clock Speed 1.6 GHz 1.3 GHz Samsung Galaxy J7 Duo has higher clock speed than Ulefone Armor X3.
Processor Core Qty 8-core Quad-core Samsung Galaxy J7 Duo has higher processor core quantity than Ulefone Armor X3.
MEMORY Samsung Galaxy J7 Duo Ulefone Armor X3
RAM 3 GB 2 GB Samsung Galaxy J7 Duo has more RAM than Ulefone Armor X3.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory 21.9 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 128 GB
CAMERA Samsung Galaxy J7 Duo Ulefone Armor X3
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 13 Megapixel 8 Megapixel Samsung Galaxy J7 Duo has better camera resolution than Ulefone Armor X3.
Lens Aperture F/1.9 F/1.8 Ulefone Armor X3 has better lens aperture than Samsung Galaxy J7 Duo.
Lens Construction - 5-element
Focus Adjustment Automatic Automatic
Camera Modes - Underwater mode
Light Source LED flash Dual LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p)
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 2 Megapixel Samsung Galaxy J7 Duo has better second camera resolution than Ulefone Armor X3.
Lens Aperture (2nd Camera) F/1.9 -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 5 Megapixel Samsung Galaxy J7 Duo has better front camera resolution than Ulefone Armor X3.
Lens Aperture (Front) F/1.9 F/2.0 Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo.
Lens Element Qty (Front) - 4-element
BATTERY AND CHARGING Samsung Galaxy J7 Duo Ulefone Armor X3
Battery Capacity (Battery Size) 3000 mAh 5000 mAh Ulefone Armor X3 has larger battery capacity than Samsung Galaxy J7 Duo.
Standby Time - 440 hours
Talk Time 1200 minutes 1500 minutes Ulefone Armor X3 has longer battery life when making calls than Samsung Galaxy J7 Duo.
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
Talk: up to 1500 min
Standby: up to 440 hrs
Playback (Music): up to 34 hrs
Playback (video): up to 9 hrs
Battery Technology - Lithium polymer
CELLULAR Samsung Galaxy J7 Duo Ulefone Armor X3
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 3G Samsung Galaxy J7 Duo has more advanced generation mobile network.
Operating System Google Android Android 9.0 Pie
Intelligent Assistant Bixby -
Navigation GPS, GLONASS, BeiDou GPS
COMMUNICATIONS Samsung Galaxy J7 Duo Ulefone Armor X3
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+
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 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, 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 -
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 4.0
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy J7 Duo Ulefone Armor X3
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID AAC, AMR, MP3, FLAC
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MPEG-4, 3GP
FEATURES Samsung Galaxy J7 Duo Ulefone Armor X3
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, digital compass, L-sensor, P-sensor
Security Devices Face recognition, fingerprint reader Face recognition
Additional Phone Features - Face Unlock, Glove mode, customised button
OTHERS Samsung Galaxy J7 Duo Ulefone Armor X3
Included Accessories Power adapter USB cable, power adapter, SIM card removal tool, tempered glass screen protector
Compliant Standards - MIL-STD 810G, IP68, IP69K
Max Depth of Water Resistance - 1.5 m
Max Operating Temperature - 60 °C
Min Operating Temperature - -20 °C
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