Samsung Galaxy J7 vs Samsung Galaxy M12 128gb

Key Specs

Battery
3000 mAh	6000 mAh
Display
5.5 inches (13.97 cm)	6.5 inches (16.51 cm)
Front Camera
5 MP	8 MP
Processor
Samsung Exynos 7 Octa 7580	Samsung Exynos 8 Octa 850
RAM
1.5 GB	6 GB
Rear Camera
13 MP	48 MP + 5 MP + 2 MP + 2 MP

Battery

Capacity
3000 mAh	6000 mAh
Quick Charging
-	Yes, Fast, 15W
Removable
Yes	No
TalkTime
Up to 18 Hours(3G)	Up to 58 Hours(4G)
Type
Li-ion	Li-ion
USB Type-C
No	Yes

Design

Build Material
-	Back: Plastic
Colours
Black, Gold, White	Black, Blue, White
Height
152.4 mm	164 mm
Thickness
7.5 mm	9.7 mm
Weight
171 grams	221 grams
Width
78.6 mm	75.9 mm

Display

Aspect Ratio
-	20:9
Bezel-less display
-	Yes with notch
Display Type
Super AMOLED	PLS TFT LCD
Pixel Density
267 ppi	270 ppi
Refresh Rate
-	90 Hz
Resolution
720x1280 px (HD)	720x1600 px (HD+)
Screen Protection
No	-
Screen Size
5.5 inches (13.97 cm)	6.5 inches (16.51 cm)
Screen to Body Ratio (calculated)
69.46 %	81.95 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
No	No
Camera Setup
-	Single
Flash
-	No
Resolution
5 MP f/2.2, Primary Camera	8 MP f/2.2, Wide Angle, Primary Camera

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General

Brand
Samsung	Samsung
Custom UI
-	Samsung One UI
Launch Date
July 16, 2015	March 17, 2021 (Official)
Operating System
Android v5.1 (Lollipop)	Android v11

Main Camera

Autofocus
Yes	Yes
Camera Features
Digital Zoom Auto Flash Face detection Touch to focus	10 x Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Single	Quad
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
4128 x 3096 Pixels	8000 x 6000 Pixels
OIS
No	No
Resolution
13 MP f/1.9, Primary Camera	48 MP f/2.0, Wide Angle (80° field-of-view), Primary Camera(2" sensor size, 0.8µm pixel size)5 MP f/2.2, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera 2 MP f/2.4, Depth Camera
Sensor
CMOS image sensor	S5KGM2, ISOCELL Plus
Settings
Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
1920x1080 @ 30 fps	1920x1080 @ 30 fps

Multimedia

Audio Jack
3.5 mm	3.5 mm
FM Radio
Yes	-
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v4.1	Yes, v5.0
GPS
Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
HDMI
No	-
NFC
No	No
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
Head: 0.571 W/kg	Head: 1.19 W/kg
SIM 1
4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4) 3G Speed: HSDPA 21.1 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
4G Bands: TD-LTE 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM1: Micro, SIM2: Micro	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
Mass storage device, USB charging, microUSB 2.0	Mass storage device, USB charging
VoLTE
-	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
64 bit	64 bit
CPU
Octa core, 1.5 GHz, Cortex A53	Octa core, 2 GHz, Cortex A55
Chipset
Samsung Exynos 7 Octa 7580	Samsung Exynos 8 Octa 850
Fabrication
-	8 nm
Graphics
Mali-T720 MP2	Mali-G52 MP1
RAM type
-	LPDDR4X

Sensors

Fingerprint Sensor
No	Yes
Fingerprint Sensor Position
-	Side
Other Sensors
Proximity sensor, Accelerometer	Light sensor, Proximity sensor, Accelerometer

Storage

Expandable Memory
Yes, Up to 128 GB	Yes, Up to 1 TB
Internal Memory
16 GB	128 GB
Storage Type
-	eMMC 5.1
USB OTG
-	Yes
User Available Storage
Up to 11.6 GB	Up to 105 GB