Comparison of BLU Studio X and Verykool s5028 Bolt

Attribute	BLU Studio X ×	Verykool s5028 Bolt ×
General
Brand	Blu	Verykool
Launch
Announced	2015-01-01	2017-04-01
Body
Width (mm)	10.5	10
Length (mm)	144	144.8
Height (mm)	72	72.8
Weight (g)	154	154
SIM	Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)	Dual SIM (Micro-SIM/ Mini-SIM, dual stand-by)
Network
Technology	GSM HSPA	GSM HSPA
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 1700 / 1900 - D750U HSDPA 850 / 1900 / 2100	HSDPA 850 / 1900
Speed	HSPA 21.1/5.76 Mbps	HSPA 21.1/5.76 Mbps
Platform
OS	Android 4.4.2 (KitKat)	Android 6.0 (Marshmallow)
Chipset	-	Spreadtrum SC7731C
CPU	Quad-core 1.3 GHz Cortex-A7	Quad-core 1.2 GHz Cortex-A7
GPU	Mali-400	Mali-400
Memory
Card slot	microSDXC	microSDHC
Internal	8GB 1GB RAM	8GB 1GB RAM
Display
Size (in)	5	5
Resolution (px)	720 x 1280	480 x 854
Display Type	IPS LCD	TFT
Battery
Type	Li-Ion	Li-Ion
Capcity (mAh)	2100	2000
Main Camera
Main Camera Type	Single	Single
Main Camera Properties	8 MP, AF	8 MP, f/2.4, AF
Main Camera Video	1080p@30fps	720p@30fps
Main Camera Features	LED flash	LED flash, panorama
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	2 MP	2 MP, f/2.8
Comms
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth	4.0, A2DP	2.1, A2DP
GPS	+	+
NFC	-	-
Radio	Stereo FM radio	Stereo FM radio
USB	microUSB 2.0	microUSB 2.0
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Accelerometer gyro proximity	Accelerometer
Misc
Colors	Black Blue Gold Pink White	Black Gold
Stand-by (h)	750	240
Talk time (h)	Up to 25 h (2G) / Up to 12 h (3G)	Up to 8 h (3G)