Assistant AS-401L Asper vs Energizer Energy E551S

Assistant AS-401L Asper

Energizer Energy E551S

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

W-CDMA 900, 2100

HSDPA 900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 7(2600)

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 20(800), 28(700)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

11.5 Mbps
LTE speed

LTE Cat4, 150.8 Mbps download, 51 Mbps upload

LTE, Cat4, 150 Mbps download, 50 Mbps upload
GPRS

Yes

Class 12
EDGE

Yes

Class 12

Design
Build

Plastic

Plastic
SIM

Dual SIM (Micro-SIM, Mini-SIM, dual SIM stand-by)

Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)
Height

138 mm

-
Width

66 mm

-
Thickness

9.5 mm

-
Colors

Black, Gold

Black

Main camera
Camera type

Dual

-
Main camera

8 MP

8 MP
0.3 MP
Primary camera resolution

3264 x 2448 pixels

3264 x 2448 pixels
Primary camera video

720p@30fps

720p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, scene-mode