Benq-Siemens EF51 vs Xiaomi Redmi 4a Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

5.0 inches

Resolution:

128 x 128 pixels
1280 x 720 pixels, 294 PPI

Technology:

TFT
IPS LCD

Screen-to-body:

69.99 %

Colors:

262 144
16 777 216

Features:

Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 425 8917 (28 nm)

Processor:

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit

GPU:

Adreno 308

RAM:

2GB LPDDR3

Internal storage:

0.02GB
16GB

Storage expansion:

miniSD
microSDXC up to 128 GB

Device type:

Smartphone

OS:

Android (6.0 Marshmallow), Xiaomi MI UI

Battery

Capacity:

870 mAh
3120 mAh

Type:

Li - Ion, User replaceable
Li - Ion, Not user replaceable

Camera

Rear:

Single camera
Single camera

Main camera:

1.3 MP
13 MP (Autofocus)

Specifications:

Aperture size: F2.2

Flash:

LED

Video recording:

1920x1080 (Full HD) (30 fps), 1280x720 (HD) (30 fps)

Features:

Video calling, Video sharing

Front:

5 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

3.50 x 1.92 x 0.70 inches (89 x 49 x 18 mm)
5.51 x 2.77 x 0.33 inches (139.9 x 70.4 x 8.5 mm)

Weight:

3.35 oz (95.0 g)
4.64 oz (131.5 g)

Materials:

Back: Metal

Features:

Soft keys
Touch sensitive control keys, Notification light

Keys:

Left: Volume control, Camera shutter, Other
Right: Volume control, Lock/Unlock key

Colors:

Gold, Gray

Cellular

4G (FDD):

Bands 3(1800), 5(850)

4G (TDD):

Bands 40(2300)

3G:

Bands 8(900), 1(2100)

Data Speed:

LTE-A, HSPA

Dual SIM:

Shared with microSD

SIM type:

Nano SIM, Micro SIM

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Loudspeaker

Features:

Album art cover, Background playback

Screen mirroring:

Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

4.1

Wi-Fi:

802.11 b, g, n; Hotspot, Wi-Fi Direct

USB:

Yes
microUSB, USB 2.0

Features:

Mass storage device, Charging

Location:

GPS, A-GPS, Glonass, BeiDou

Sensors:

Accelerometer, Gyroscope, Compass

Other:

Computer sync
Tethering, Computer sync, OTA sync

Phone features

Notifications:

Music ringtones (MP3), Polyphonic ringtones (64 voices), Vibration, Phone profiles, Speakerphone
Haptic feedback

Other features:

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Jun 15, 2006

FCC ID value:

JVPEF51A

Measured SAR:

Head:

0.91 W/kg

Measured in:

1900 MHz

Body:

0.35 W/kg

Measured in:

1900 MHz

Buyers information

Price:

$ 104

Availability

Officially announced:

Feb 13, 2006
Nov 04, 2016
FCC OKs Cingular\'s purchase of AT&T Wireless