Samsung Galaxy J7 (2017) DUOS vs. Xiaomi Redmi 12

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy J7 (2017) DUOS and Xiaomi Redmi 12. 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 (2017) DUOS vs. Xiaomi Redmi 12 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy J7 (2017) DUOS Xiaomi Redmi 12
Product Type Smartphone Smartphone
Manufacturer Model Number SM-J730F/DS -
Form Factor Touch Touch
Height 152.5 mm 168.6 mm Xiaomi Redmi 12 has greater height than Samsung Galaxy J7 (2017) DUOS.
Width 74.8 mm 76.28 mm Xiaomi Redmi 12 has greater width than Samsung Galaxy J7 (2017) DUOS.
Depth 8 mm 8.17 mm Samsung Galaxy J7 (2017) DUOS is narrower than Samsung Galaxy J7 (2017) DUOS.
Weight 181 g 198.5 g Samsung Galaxy J7 (2017) DUOS is lighter than Samsung Galaxy J7 (2017) DUOS.
Body Colour Black Midnight black
Protection - Spill-resistant, dust-resistant
Waterproof (Water-resistant) - - Xiaomi Redmi 12 is waterproof.
IP rating - IP53
SAR Value 1.33 W/kg (body), 0.567 W/kg (head) -
Integrated Components - FM radio
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM -
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy J7 (2017) DUOS Xiaomi Redmi 12
Display Type OLED display -
Display Technology Full HD Super AMOLED -
Screen Size (Display Size) 5.5" 6.79" Xiaomi Redmi 12 has larger screen size than Samsung Galaxy J7 (2017) DUOS.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2460 x 1080 pixels Xiaomi Redmi 12 has better screen resolution than Samsung Galaxy J7 (2017) DUOS.
Display Format Full HD Full HD+
Pixel Density - 396 ppi
Max Brightness - 550 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 1500:1
Display Enhancement Technology - Reading mode 3.0
Display Refresh Rate - 90 Hz
Display Features Always-on display Reading mode, Dot Display, AdaptiveSync technology, 70% NTSC
PROCESSOR Samsung Galaxy J7 (2017) DUOS Xiaomi Redmi 12
Processor Type (CPU) - MediaTek Helio G88
Clock Speed 1.6 GHz 2 GHz Xiaomi Redmi 12 has higher clock speed than Samsung Galaxy J7 (2017) DUOS.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) - ARM Mali-G52
MEMORY Samsung Galaxy J7 (2017) DUOS Xiaomi Redmi 12
RAM 3 GB LPDDR4X SDRAM - 4 GB + up to 16 GB virtual extension Xiaomi Redmi 12 has more RAM than Samsung Galaxy J7 (2017) DUOS.
Internal Memory Size (Storage Capacity) 16 GB 128 GB Xiaomi Redmi 12 has more internal memory than Samsung Galaxy J7 (2017) DUOS.
User Memory 10 GB -
Memory Interface - eMMC 5.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy J7 (2017) DUOS Xiaomi Redmi 12
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 13 Megapixel 50 Megapixel Xiaomi Redmi 12 has better camera resolution than Samsung Galaxy J7 (2017) DUOS.
Lens Aperture F/1.7 F/1.8 Samsung Galaxy J7 (2017) DUOS has better lens aperture than Samsung Galaxy J7 (2017) DUOS.
Focus Adjustment Automatic Automatic
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) - AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 120 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 13 Megapixel 8 Megapixel Samsung Galaxy J7 (2017) DUOS has better front camera resolution than Xiaomi Redmi 12.
Lens Aperture (Front) F/1.9 F/2.1 Samsung Galaxy J7 (2017) DUOS has better front lens aperture than Samsung Galaxy J7 (2017) DUOS.
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
BATTERY AND CHARGING Samsung Galaxy J7 (2017) DUOS Xiaomi Redmi 12
Battery Capacity (Battery Size) 3600 mAh 5000 mAh Xiaomi Redmi 12 has larger battery capacity than Samsung Galaxy J7 (2017) DUOS.
Standby Time - 552 hours
Talk Time 1440 minutes 2220 minutes Xiaomi Redmi 12 has longer battery life when making calls than Samsung Galaxy J7 (2017) DUOS.
Run Time Details Active online usage (WCDMA): up to 12 hrs
Active online usage (LTE): up to 15 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (video): up to 18 hrs
Playback (audio): up to 59 hrs
Playback (audio (Always On Display Off)): up to 91 hrs
Talk (WCDMA): up to 1440 min
Talk: up to 2220 min
Standby: up to 552 hrs
Playback (video): up to 16 hrs
Reading: up to 26 hrs
CELLULAR Samsung Galaxy J7 (2017) DUOS Xiaomi Redmi 12
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Google Android Android 13
User Interface - MIUI 14
Navigation GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy J7 (2017) DUOS Xiaomi Redmi 12
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE 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 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 850, 900
4G LTE Band Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+/ANT Wi-Fi
Bluetooth Bluetooth 4.1 Bluetooth 5.3
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy J7 (2017) DUOS Xiaomi Redmi 12
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 J7 (2017) DUOS Xiaomi Redmi 12
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert -
Sensors Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor Accelerometer, digital compass
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features - Fast Charging, IR blaster
OTHERS Samsung Galaxy J7 (2017) DUOS Xiaomi Redmi 12
Included Accessories Power adapter Power adapter, SIM card removal tool, USB-C cable
Compliant Standards - IP53, SGS Low Blue Light Certification
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