Comparison of Cat S31 and Verykool RS90

Attribute	Verykool RS90 ×	Cat S31 ×
General
Brand	Verykool	Cat
Launch
Announced	2013-01-01	2017-09-01
Body
Width (mm)	12.1	12.6
Length (mm)	144	146
Height (mm)	75.6	74.4
Weight (g)	201	200
SIM	Dual SIM (Mini-SIM)	Single SIM (Nano-SIM)
Network
Technology	GSM HSPA	GSM HSPA LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 1900	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - EU
4G bands	-	1, 2, 3, 5, 7, 8, 20 - EU 2, 3, 4, 5, 7, 12, 17
Speed	HSPA 7.2/5.76 Mbps	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps
Platform
OS	Android 4.0 (Ice Cream Sandwich)	Android 7.0 (Nougat)
Chipset	-	Qualcomm MSM8909 Snapdragon 210 (28 nm)
CPU	Dual-core 1.2 GHz	Quad-core 1.3 GHz Cortex-A7
GPU	-	Adreno 304
Memory
Card slot	microSDHC (dedicated slot)	microSDXC (dedicated slot)
Internal	2GB	16GB 2GB RAM
Display
Size (in)	4.5	4.7
Resolution (px)	540 x 960	720 x 1280
Protection	Corning Gorilla Glass	Corning Gorilla Glass 3
Display Type	IPS LCD	TFT
Battery
Type	Li-Ion	Li-Ion
Capcity (mAh)	1800	4000
Main Camera
Main Camera Type	Single	Single
Main Camera Properties	5 MP	8 MP, AF
Main Camera Video	Yes	720p@30fps
Main Camera Features	LED flash	LED flash
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	VGA	2 MP
Comms
WLAN	Wi-Fi 802.11 b/g, hotspot	Wi-Fi 802.11 b/g/n, hotspot
Bluetooth	2.1	4.1, A2DP, LE
GPS	+	+
NFC	-	-
Radio	FM radio	FM radio
USB	2.0	microUSB 2.0, USB On-The-Go
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Accelerometer proximity	Accelerometer compass proximity
Misc
Colors	Black	Black
Stand-by (h)	192	-
Talk time (h)	Up to 9 h	-