Bravis NB851 vs Cat S41

Bravis NB851

Cat S41

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1900, 2100 - EU; HSDPA 850, 900, 1700(AWS), 1900, 2100 - APAC/LATAM
4G network

-

LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EU; LTE frequency band 2(1900), 4(1700/2100), 5(850), 7(2600), 12(700), 13(700), 17(700), 66(1700/2100) - America; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - APAC/LATAM
HSDPA speed

21 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE-A speed

-

LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

-

Yes

Design
Build

Plastic

-
SIM

Dual SIM (dual stand-by)

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

122.8 mm

152 mm
Width

206.5 mm

75 mm
Thickness

7.7 mm

12.9 mm
Weight

332 g

218 g
Waterproof

-

IP68, 2m and 60 minutes
Dust proof

-

IP68
MIL-STD-810G

-

Yes - dust, humidity, rain, salt, vibration, solar radiation, transport and thermal shock resistant
Colors

Black

Black

Main camera
Camera type

Single

-
Main camera

2 MP

13 MP
Primary camera resolution

1600 x 1200 pixels

-
Primary camera video

720p@30fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

LED flash
Camera features

Continuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, self-timer

Geo-tagging, face detection, touch focus