Posh Optima LTE L530 vs Xiaomi Redmi 4 (4X)

Posh Optima LTE L530

Xiaomi Redmi 4 (4X)

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; GSM 900, 1800 - India
3G network

HSDPA 850, 1900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA - China; HSDPA 900, 2100 - India
4G network

LTE frequency band 2(1900), 4(1700/2100), 7(2600), 17(700)

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) - China; LTE frequency band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) - India
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

-
LTE-A speed

-

LTE-A, (2CA) Cat6, 300 Mbps download, 100 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
SIM

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

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

143.5 mm

139.2 mm
Width

69.4 mm

70 mm
Thickness

8 mm

8.7 mm
Weight

133 g

150 g
Colors

Black, Gold

Black, Gold

Main camera
Main camera

13 MP, f/2.2

13 MP, f/2.0
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

autofocus

phase detection autofocus
Primary camera flash

dual-LED flash

LED flash
Camera features

1.12 µm pixel size, 1/3" sensor size, HDR, face detection, geo-tagging, panorama, touch focus

Geo-tagging, HDR, face/smile detection, panorama, 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 Mail

Push Mail

Push Mail
Java

No

No
Sensors

Accelerometer, compass, proximity

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity