Acer Liquid Zest vs Cat S61

Acer Liquid Zest

Cat S61

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA

HSDPA 850, 900, 1700, 1900, 2100
4G network

-

LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 19(800), 20(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
HSPA speed

HSPA

-
LTE speed

LTE

-
LTE-A speed

-

LTE-A, (3CA) Cat12, 600 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
SIM

Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

-

150 mm
Width

-

76 mm
Thickness

-

13 mm
Weight

-
Waterproof

-

IP68, 3m and 60 minutes
Dust proof

-

IP68
MIL-STD-810G

-

Yes
Colors

Black, White

Black

Main camera
8 MP, f/2.0

16 MP, FLIR thermal camera (Lepton module)
Primary camera resolution

-

4608 x 3456 pixels
Primary camera video

1080p@30fps

2160p@30fps
Primary camera Autofocus

autofocus

phase detection autofocus
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

Geo-tagging, HDR, face detection, panorama, touch focus

Thermal imaging, face detection, geo-tagging, heat palettes, panorama, temp. spot meter, touch focus

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging MMS

MMS

MMS
Messaging Email

Email

Email
Messaging IM

IM

IM
Messaging Push Email

-

Push Email
Messaging Push Mail

Push Mail

-
Java

No

-
Sensors

Accelerometer, compass, proximity

Accelerometer, barometer, compass, gyro, indoor air quality sensor, proximity