Iball Cobalt Oomph 4 7d vs I Kall K525

Key Specs

Battery
Battery	1850 mAh	4000 mAh
Display
Display	4.7 inches (11.94 cm)	6.26 inches (15.9 cm)
Front Camera
Front Camera	5 MP	5 MP
RAM
RAM	1 GB	4 GB
Rear Camera
Rear Camera	8 MP	8 MP

Battery

Capacity
Capacity	1850 mAh	4000 mAh
Removable
Removable	-	Yes
Type
Type	Li-ion	Li-ion

Design

Colours
Colours	Gold, Grey, White	-

Display

Bezel-less display
Bezel-less display	-	Yes with waterdrop notch
Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	312 ppi	171 ppi
Resolution
Resolution	720x1280 px (HD)	480x960 px
Screen Size
Screen Size	4.7 inches (11.94 cm)	6.26 inches (15.9 cm)
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Resolution
Resolution	5 MP, Primary Camera	5 MP, Primary Camera

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General

Brand
Brand	iBall	I Kall
Launch Date
Launch Date	-	June 21, 2021 (Official)
Operating System
Operating System	Android v4.4 (Kitkat)	Android v10 (Q)

Main Camera

Autofocus
Autofocus	Yes	-
Camera Features
Camera Features	Digital Zoom Face detection	Digital Zoom
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	3264 x 2448 Pixels	3264 x 2448 Pixels
Resolution
Resolution	8 MP, Primary Camera	8 MP, Primary Camera
Video Recording
Video Recording	1280x720 @ 30 fps	-

Multimedia

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

Network & Connectivity

Bluetooth
Bluetooth	Yes	Yes
GPS
GPS	Yes with A-GPS	Yes with A-GPS
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
SIM 1	3G Bands: UMTS 2100 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 900 MHz	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	microUSB 2.0	-
VoLTE
VoLTE	-	Yes
Wi-Fi
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 Features	-	Mobile Hotspot

Performance

CPU
CPU	Quad core, 1.3 GHz, Cortex A7	Octa core, 1.6 GHz

Sensors

Fingerprint Sensor
Fingerprint Sensor	-	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	-	Rear
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer	Light sensor, Proximity sensor, Accelerometer

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 64 GB
Internal Memory
Internal Memory	8 GB	64 GB
User Available Storage
User Available Storage	Up to 4 GB	-