Samsung Galaxy J7 Duo vs. Xiaomi Redmi 9A

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy J7 Duo and Xiaomi Redmi 9A. 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. Xiaomi Redmi 9A Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy J7 Duo Xiaomi Redmi 9A
Product Type Smartphone Smartphone
Manufacturer Model Number SM-J720F -
Form Factor Touch Touch
Height 153.5 mm 164.9 mm Xiaomi Redmi 9A has greater height than Samsung Galaxy J7 Duo.
Width 77.2 mm 77.07 mm Samsung Galaxy J7 Duo has greater width than Xiaomi Redmi 9A.
Depth 8.2 mm 9 mm Samsung Galaxy J7 Duo is narrower than Samsung Galaxy J7 Duo.
Weight 174 g 196 g Samsung Galaxy J7 Duo is lighter than Samsung Galaxy J7 Duo.
Body Colour Black Sky blue | Granite grey
Waterproof (Water-resistant) - -
SAR Value 1.397 W/kg (body), 0.543 W/kg (head) 0.398 W/kg (head), 1.186 W/kg (body), 2.526 W/kg (limb)
Integrated Components - FM radio
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
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 Xiaomi Redmi 9A
Display Type OLED display -
Display Technology HD Super AMOLED -
Screen Size (Display Size) 5.5" 6.53" Xiaomi Redmi 9A has larger screen size than Samsung Galaxy J7 Duo.
Screen Resolution (Display Resolution) 1280 x 720 pixels 1600 x 720 pixels Xiaomi Redmi 9A has better screen resolution than Samsung Galaxy J7 Duo.
Display Format HD HD+
Aspect Ratio - 20:9
Max Brightness - 400 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 1500:1
Display Enhancement Technology - Blue light filter, Sunlight mode
Display Features - Reading mode, Colour temperature adjustment, Dot Drop display
PROCESSOR Samsung Galaxy J7 Duo Xiaomi Redmi 9A
Processor Type (CPU) - MediaTek Helio G25
Clock Speed 1.6 GHz 2 GHz Xiaomi Redmi 9A has higher clock speed than Samsung Galaxy J7 Duo.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes Xiaomi Redmi 9A has 64-bit architecture.
Graphics System (GPU) - PowerVR GE8320
MEMORY Samsung Galaxy J7 Duo Xiaomi Redmi 9A
RAM 3 GB LPDDR4X SDRAM - 2 GB Samsung Galaxy J7 Duo has more RAM than Xiaomi Redmi 9A.
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 microSD
CAMERA Samsung Galaxy J7 Duo Xiaomi Redmi 9A
MAIN CAMERA
Number of Main Cameras 2 1
Sensor Resolution 13 Megapixel 13 Megapixel Both phones have the same camera resolution.
Lens Aperture F/1.9 -
Focus Adjustment Automatic Automatic
Special Effects - HDR, Kaleidoscope
Camera Modes - AI portrait mode, AI Beautify 5.0
Face Recognition (Face ID) - Face recognition Xiaomi Redmi 9A has face detection.
Light Source LED flash Single tone 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
Camera Features (Functions) - Phase Detect Auto-Focus (PDAF), AI scene detection
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel -
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 Xiaomi Redmi 9A.
Lens Aperture (Front) F/1.9 F/2.2 Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo.
Pixel Size (Front) - 1.12 μm
Special Effects (Front) - HDR
Camera Modes (Front) - AI portrait mode, Portrait, AI Beautify 5.0
Face Recognition (Face ID) - Face recognition Xiaomi Redmi 9A has face detection.
Light Source (Front) - Display flash
Camera Features (Front) - Self-timer, Palm shutter
BATTERY AND CHARGING Samsung Galaxy J7 Duo Xiaomi Redmi 9A
Battery Capacity (Battery Size) 3000 mAh 5000 mAh Xiaomi Redmi 9A has larger battery capacity than Samsung Galaxy J7 Duo.
Standby Time - 816 hours
Talk Time 1200 minutes 2280 minutes Xiaomi Redmi 9A 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
Standby: up to 816 hrs
Playback (audio): up to 168 hrs
Talk: up to 2280 min
Playback (video): up to 19 hrs
Gaming: up to 14 hrs
CELLULAR Samsung Galaxy J7 Duo Xiaomi Redmi 9A
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Google Android -
Intelligent Assistant Bixby -
Navigation GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Samsung Galaxy J7 Duo Xiaomi Redmi 9A
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE 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 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 Band 1, Band 2, Band 3, Band 4, 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 2600, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, 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 IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy J7 Duo Xiaomi Redmi 9A
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP
Sound Enhancements - 0.64cc Sound Chamber
FEATURES Samsung Galaxy J7 Duo Xiaomi Redmi 9A
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, distance sensor
Security Devices Face recognition, fingerprint reader Face recognition
Additional Phone Features - AI face unlock, HyperEngine technology
OTHERS Samsung Galaxy J7 Duo Xiaomi Redmi 9A
Included Accessories Power adapter USB cable, SIM card removal tool, 10W charger
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