Comparison of BLU Dash X and Lava A77

Attribute	BLU Dash X ×	Lava A77 ×
General
Brand	Blu	Lava
Launch
Announced	2015-10-01	2017-05-01
Body
Width (mm)	9.3	9.5
Length (mm)	142.5	135
Height (mm)	71	67.2
Weight (g)	148	140
SIM	Dual SIM (Micro-SIM, dual stand-by)	Dual SIM (Micro-SIM, dual stand-by)
Network
Technology	GSM HSPA	GSM HSPA LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 900 / 1800
3G bands	HSDPA 850 / 1700(AWS) / 1900 - D010U HSDPA 850 / 1900 / 2100	HSDPA 900 / 2100
4G bands	-	3, 5, 40
Speed	HSPA 21.1/5.76 Mbps	HSPA 42.2/11.5 Mbps LTE Cat4 150/50 Mbps
Platform
OS	Android 5.1 (Lollipop)	Android 6.0 (Marshmallow)
Chipset	-	Spreadtrum SC9832
CPU	Quad-core 1.3 GHz Cortex-A7	Quad-core 1.3 GHz
GPU	Mali-400	Mali-400
Memory
Card slot	microSDXC	microSDHC (dedicated slot)
Internal	8GB 1GB RAM	8GB 1GB RAM
Display
Size (in)	5	4.5
Resolution (px)	720 x 1280	480 x 854
Display Type	IPS LCD	TN
Battery
Type	Li-Po	Li-Ion
Capcity (mAh)	2000	2000
Main Camera
Main Camera Type	Single	Single
Main Camera Properties	8 MP, AF	5 MP
Main Camera Video	1080p@30fps	Yes
Main Camera Features	LED flash	LED flash, HDR, panorama
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	5 MP	5 MP
Selfie Camera Features	-	LED flash
Comms
WLAN	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot	Wi-Fi 802.11 b/g/n, hotspot
Bluetooth	4.0, A2DP	4.0, A2DP
GPS	+	+
NFC	-	-
Radio	Stereo FM radio	Stereo FM radio with RDS; recording
USB	microUSB 2.0	microUSB 2.0
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Accelerometer proximity	Accelerometer proximity
Misc
Colors	Black White	Blue Gold Silver
Stand-by (h)	750	-
Talk time (h)	Up to 25 h (2G) / Up to 14 h (3G)	-