Celkon Millennia Spark vs Kult Ambition

Key Specs

Battery
Battery	1600 mAh	2600 mAh
Display
Display	4.5 inches (11.43 cm)	5.0 inches (12.7 cm)
Front Camera
Front Camera	1.3 MP	5 MP
Processor
Processor	-	MediaTek MT6737
RAM
RAM	512 MB	3 GB
Rear Camera
Rear Camera	3.2 MP	13 MP

Battery

Capacity
Capacity	1600 mAh	2600 mAh
Removable
Removable	-	Yes
Standby time
Standby Time	Up to 200 Hours(2G)	-
TalkTime
TalkTime	Up to 8 Hours(2G)	-
Type
Type	Li-ion	Li-Polymer
USB Type-C
USB Type-C	-	No

Design

Build Material
Build Material	-	Case: Metal Back: Metal
Colours
Colours	Blue, Brown, Gold, White	Black
Height
Height	133.5 mm	145.3 mm
Thickness
Thickness	10.1 mm	9.1 mm
Weight
Weight	100 grams	160 grams
Width
Width	66.5 mm	72.7 mm

Display

Aspect Ratio
Aspect Ratio	-	16:9
Display Type
Display Type	TFT	IPS LCD
Pixel Density
Pixel Density	218 ppi	294 ppi
Resolution
Resolution	480x854 px	720x1280 px (HD)
Screen Size
Screen Size	4.5 inches (11.43 cm)	5.0 inches (12.7 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	62.84 %	65.09 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Resolution
Resolution	1.3 MP, Primary Camera	5 MP, Primary Camera

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General

Brand
Brand	Celkon	Kult
Launch Date
Launch Date	-	December 11, 2017 (Official)
Operating System
Operating System	Android v4.4 (Kitkat)	Android v7.0 (Nougat)

Main Camera

Autofocus
Autofocus	-	Yes
Camera Features
Camera Features	Digital Zoom	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	2048 x 1536 Pixels	4128 x 3096 Pixels
OIS
OIS	-	No
Resolution
Resolution	3.2 MP, Primary Camera	13 MP, Primary Camera
Settings
Settings	-	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	-	1280x720 @ 30 fps

Multimedia

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

Network & Connectivity

Bluetooth
Bluetooth	Yes	Yes, v4.0
GPS
GPS	Yes	Yes with A-GPS
NFC
NFC	-	No
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
SAR Value	-	Head: 0.929 W/kg, Body: 0.873 W/kg
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 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 900 MHz	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM Size	-	SIM1: Micro, SIM2: Micro
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	microUSB 2.0	Mass storage device, USB charging, 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

Architecture
Architecture	-	64 bit
CPU
CPU	Quad core, 1.2 GHz	Quad core, 1.25 GHz, Cortex A53
Chipset
Chipset	-	MediaTek MT6737
Graphics
Graphics	-	Mali-T720 MP2

Sensors

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

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 32 GB
Internal Memory
Internal Memory	4 GB	32 GB
USB OTG
USB OTG	-	Yes
User Available Storage
User Available Storage	-	Up to 24 GB