Comparison between:
- Xiaomi Redmi 4A
- Oukitel C8
- Ulefone S8 Pro

Brand and model

Information about the brand, model and model alias (if any) of a specific device.

Xiaomi Redmi 4AOukitel C8Ulefone S8 Pro
Xiaomi Redmi 4A
Prices
Oukitel C8
Prices
Ulefone S8 Pro
Prices
Model aliasHongmi 4A
Red Rise 4A
-S8Pro

Design

Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.

Width70.4 mm
7.04 cm
0.23 ft
2.77 in
70.5 mm
7.05 cm
0.23 ft
2.78 in
72.2 mm
7.22 cm
0.24 ft
2.84 in
Height139.5 mm
13.95 cm
0.46 ft
5.49 in
147 mm
14.7 cm
0.48 ft
5.79 in
146.4 mm
14.64 cm
0.48 ft
5.76 in
Thickness8.5 mm
0.85 cm
0.03 ft
0.33 in
10.2 mm
1.02 cm
0.03 ft
0.4 in
9.2 mm
0.92 cm
0.03 ft
0.36 in
Weight131 g
0.29 lbs
4.64 oz
156 g
0.34 lbs
5.5 oz
184 g
0.41 lbs
6.49 oz
Volume83.48 cm³
5.07 in³
105.71 cm³
6.42 in³
97.24 cm³
5.91 in³
ColorsGold
Rose-gold
Black
Gold
Rose-gold
Blue
Purple
Black
White
Gold
Body materialsPlasticPlasticPlastic

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeMicro-SIM
Nano-SIM / microSD
Micro-SIM
Nano-SIM
Micro-SIM
Number of SIM cards222
Features-Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSMGSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMACDMA 800 MHz--
W-CDMA-W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
--
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
--
LTELTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
-LTE 800 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologiesUMTS
EDGE
GPRS
HSPA+
LTE Cat 4
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)MIUI V8 (Android 6.0.1 Marshmallow)
MIUI V9.7.11 (Android 7.1.2 Nougat)
Android 7.0 NougatAndroid 7.0 Nougat

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoCQualcomm Snapdragon 425 MSM8917MediaTek MT6580AMediaTek MT6737
Process technology28 nm28 nm28 nm
CPUARM Cortex-A53ARM Cortex-A7ARM Cortex-A53
CPU bits64 bit32 bit64 bit
Instruction setARMv8ARMv7ARMv8-A
Level 1 cache memory (L1)-32 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)-512 KB
0.5 MB
512 KB
0.5 MB
CPU cores444
CPU frequency1400 MHz1300 MHz1300 MHz
GPUQualcomm Adreno 308ARM Mali-400 MP2ARM Mali-T720 MP1
GPU cores-21
GPU frequency500 MHz-600 MHz
RAM capacity2 GB
3 GB
2 GB2 GB
RAM typeLPDDR3-LPDDR3
RAM channelsSingle channelSingle channelSingle channel
RAM frequency667 MHz533 MHz640 MHz

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage16 GB
32 GB
16 GB16 GB

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

TypesmicroSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologyIPSIPSIPS
Diagonal size5 in
127 mm
12.7 cm
5.5 in
139.7 mm
13.97 cm
5.3 in
134.62 mm
13.46 cm
Width2.45 in
62.26 mm
6.23 cm
2.46 in
62.48 mm
6.25 cm
2.6 in
66 mm
6.6 cm
Height4.36 in
110.69 mm
11.07 cm
4.92 in
124.95 mm
12.5 cm
4.62 in
117.33 mm
11.73 cm
Aspect ratio1.778:1
16:9
2:1
2:1 (18:9)
1.778:1
16:9
Resolution720 x 1280 pixels640 x 1280 pixels720 x 1280 pixels
Pixel density294 ppi
115 ppcm
260 ppi
102 ppcm
277 ppi
108 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area70.4 %75.57 %73.5 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
1000:1 contrast ratio
72% NTSC
Dragontrail glass
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
2.5D curved glass screen
Full Lamination Technology

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Light
Accelerometer
Gyroscope
Proximity
Light
Accelerometer
Fingerprint
Proximity
Light
Accelerometer
Fingerprint

Primary camera

The primary camera of the mobile device is usually placed at its back and is used for taking photos and recording videos.

Sensor model-GalaxyCore GC8024SK Hynix Hi-841 (YACG4A1C)
Sensor typeCMOSCMOS BSICMOS
Sensor size-3.67 x 2.76 mm
0.18 in
3.66 x 2.74 mm
0.18 in
Pixel size-1.124 µm
0.001124 mm
1.12 µm
0.00112 mm
Crop factor-9.429.47
Aperturef/2.2f/2.4f/2.2
Focal length4.92 mm3.5 mm
32.98 mm *(35 mm / full frame)
-
Flash typeDual LEDLEDDual LED
Image resolution4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
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
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
5-element lensInterpolated resolution - 13 MP5-element lens
Interpolated resolution - 13 MP
Secondary rear camera - 5 MP (interpolated from 0.3 MP)

Secondary camera

Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.

Sensor model-GalaxyCore GC2385GalaxyCore GC2365
Sensor type-CMOSCMOS
Sensor size--2.64 x 1.98 mm
0.13 in
Pixel size--1.65 µm
0.00165 mm
Crop factor--13.11
Aperturef/2.2f/2.8-
Focal length2 mm3.5 mm-
Flash type-LEDLED
Image resolution2592 x 1944 pixels
5.04 MP
1600 x 1200 pixels
1.92 MP
1600 x 1200 pixels
1.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps30 fps30 fps
-Interpolated resolution - 5 MPInterpolated resolution - 5 MP

Audio

Information about the type of speakers and the audio technologies supported by the device.

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker

Radio

The radio in a mobile device is a built-in FM radio receiver.

RadioYesYesYes

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
GPS
A-GPS
GLONASS
GPS
A-GPS

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
802.11a
802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot

Bluetooth

Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.

Version4.14.04.0
FeaturesA2DP
HID
A2DPA2DP

USB

The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.

Connector typeMicro USBMicro USBMicro USB
Version2.02.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
Charging
Mass storage
Charging
Mass storage
On-The-Go

Headphone jack

The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.

Headphone jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Infrared
Tethering
VoLTE
Computer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering

Browser

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

BrowserHTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3

Audio file formats/codecs

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecsAAC
AC3
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV

Video file formats/codecs

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecs3GPP
AVI
H.263
H.264
MKV
MP4
VC-1
VP8
Xvid
3GPP
AVI
MP4
Xvid
3GPP
AVI
MP4
WebM
WMV
Xvid

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity3120 mAh3000 mAh3000 mAh
TypeLi-PolymerLi-IonLi-Polymer
2G talk time--13 h
780 min
0.5 days
3G talk time--13 h
780 min
0.5 days
Charger output power5 V / 1 A5 V / 1 A-
FeaturesNon-removableRemovableRemovable

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (EU)0.525 W/kg--
Body SAR (EU)1.181 W/kg--
 Xiaomi Redmi 4AOukitel C8Ulefone S8 Pro