Comparison between:
- IUNI U3
- IUNI U3 Mini
- IUNI i1
- LeTV Le 1s

Brand and model

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

IUNI U3IUNI U3 MiniIUNI i1LeTV Le 1s
IUNI U3IUNI U3 MiniIUNI i1LeTV Le 1s
Prices
Model alias-U830-1s
X500
X501

Design

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

Width74.9 mm
7.49 cm
0.246 ft
2.949 in
70.5 mm
7.05 cm
0.231 ft
2.776 in
70.3 mm
7.03 cm
0.231 ft
2.768 in
74.2 mm
7.42 cm
0.243 ft
2.921 in
Height145 mm
14.5 cm
0.476 ft
5.709 in
139 mm
13.9 cm
0.456 ft
5.472 in
139 mm
13.9 cm
0.456 ft
5.472 in
151.1 mm
15.11 cm
0.496 ft
5.949 in
Thickness10.3 mm
1.03 cm
0.034 ft
0.406 in
9.5 mm
0.95 cm
0.031 ft
0.374 in
9.5 mm
0.95 cm
0.031 ft
0.374 in
7.5 mm
0.75 cm
0.025 ft
0.295 in
Weight176 g
0.39 lbs
6.21 oz
158 g
0.35 lbs
5.57 oz
160 g
0.35 lbs
5.64 oz
169 g
0.37 lbs
5.96 oz
Volume111.86 cm³
6.79 in³
93.1 cm³
5.65 in³
92.83 cm³
5.64 in³
84.09 cm³
5.11 in³
ColorsBlack
White
Green
White
Pink
Green
WhiteGold
Silver
Body materialsMagnesium alloy--Aluminium alloy
Plastic

SIM card

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

SIM card typeMicro-SIMMicro-SIMMicro-SIMMicro-SIM
Nano-SIM
Number of SIM cards2222
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)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
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMAW-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
TD-SCDMATD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
LTELTE 1800 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2600 MHz (B38)
LTE 1800 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 1800 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 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)

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
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE
UMTS
EDGE
GPRS
HSPA+
LTE
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
TD-SCDMA
TD-HSDPA

Operating system

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

Operating system (OS)IUNI (Android 4.4.4 KitKat)Android 4.4.4 KitKatIUNIAndroid 5.0.2 Lollipop
Android 6.0 Marshmallow
User interface (UI)---EUI 5.5

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 801 MSM8974AAQualcomm Snapdragon 801 MSM8974Pro-AAQualcomm Snapdragon 801 MSM8974AAMediaTek Helio X10 (MT6795)
Process technology28 nm28 nm28 nm28 nm
CPUKrait 400Krait 400Krait 400ARM Cortex-A53
CPU bits32 bit32 bit32 bit64 bit
Instruction setARMv7ARMv7ARMv7ARMv8-A
Level 0 cache memory (L0)4 KB + 4 KB4 KB + 4 KB4 KB + 4 KB-
Level 1 cache memory (L1)16 KB + 16 KB16 KB + 16 KB16 KB + 16 KB256 KB + 256 KB
Level 2 cache memory (L2)2048 KB
2 MB
2048 KB
2 MB
2048 KB
2 MB
2048 KB
2 MB
CPU cores4448
CPU frequency2300 MHz2300 MHz2300 MHz2200 MHz
GPUQualcomm Adreno 330Qualcomm Adreno 330Qualcomm Adreno 330PowerVR G6200
GPU cores444-
GPU frequency450 MHz578 MHz450 MHz700 MHz
RAM capacity3 GB2 GB2 GB3 GB
RAM typeLPDDR3LPDDR3LPDDR3LPDDR3
RAM channelsDouble channelDouble channelDouble channelDouble channel
RAM frequency800 MHz-800 MHz933 MHz

Storage

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

Storage32 GB32 GB32 GB16 GB
32 GB
eMMC--eMMC 5.0

Display

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

Type/technologyIPSIPSIPSIPS
Diagonal size5.5 in
139.7 mm
13.97 cm
5.2 in
132.08 mm
13.21 cm
5.2 in
132.08 mm
13.21 cm
5.5 in
139.7 mm
13.97 cm
Width2.7 in
68.49 mm
6.85 cm
2.55 in
64.75 mm
6.48 cm
2.55 in
64.75 mm
6.48 cm
2.7 in
68.49 mm
6.85 cm
Height4.79 in
121.76 mm
12.18 cm
4.53 in
115.12 mm
11.51 cm
4.53 in
115.12 mm
11.51 cm
4.79 in
121.76 mm
12.18 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution1440 x 2560 pixels1080 x 1920 pixels1080 x 1920 pixels1080 x 1920 pixels
Pixel density534 ppi
209 ppcm
424 ppi
166 ppcm
424 ppi
166 ppcm
401 ppi
157 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area77.03 %76.31 %76.53 %74.62 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 3
LTPS (Low Temperature PolySilicon)
OGS (One Glass Solution)
Corning Gorilla Glass 3
LTPS (Low Temperature PolySilicon)
OGS (One Glass Solution)
LTPS (Low Temperature PolySilicon)
OGS (One Glass Solution)
Corning Gorilla Glass 3
80% NTSC
500 cd/m²

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Proximity
Light
Accelerometer
Proximity
Light
Accelerometer
Proximity
Light
Accelerometer
Compass
Fingerprint
---Fingerprint sensor model - Goodix GF5118M

Rear camera

The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor modelSony IMX214 Exmor RS--Samsung
Sensor typeCMOSCMOSCMOSISOCELL
Sensor size4.69 x 3.52 mm
0.23 in
--4.69 x 3.52 mm
0.23 in
Pixel size1.127 µm
0.001127 mm
--1.127 µm
0.001127 mm
Crop factor7.38--7.38
Aperturef/2f/2f/2f/2
Focal length and 35 mm equivalent3.79 mm
27.99 mm *(35 mm / full frame)
-28 mm *(35 mm / full frame)-
Number of lenses-665
Flash typeLEDLEDLEDLED
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesAutofocus
Digital zoom
Optical image stabilization
Geotagging
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Autofocus
Continuous shooting
Digital zoom
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Scene mode
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Phase detection autofocus (PDAF)
Blue filter glass--1080p @ 60 fps
720p @ 120 fps
High CRI LED flash
Blue filter glass

Front camera

Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.

Sensor model---Samsung S5K5E2
Sensor typeCMOS BSI--CMOS
Sensor size5.44 x 3.07 mm
0.25 in
--2.9 x 2.15 mm
0.14 in
Pixel size2.024 µm
0.002024 mm
--1.133 µm
0.001133 mm
Crop factor6.93--11.99
Aperturef/2--f/2
Field of view--85 °90 °
Image resolution2688 x 1520 pixels
4.09 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
--1920 x 1080 pixels
2.07 MP
Video FPS30 fps---

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
---DTS

Radio

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

RadioYesYesYesNo

Tracking/Positioning

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

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

Wi-Fi

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

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11ac
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
802.11ac
Dual band
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
802.11ac
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display

Bluetooth

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

Version4.04.04.04.0
FeaturesA2DPA2DPA2DPA2DP

USB

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

Connector typeMicro USBMicro USBMicro USBUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
Charging
Mass storage
Charging
Mass storage
On-The-Go

HDMI

The High-Definition Multimedia Interface (HDMI) is considered to be the digital alternative of the analog audio/video interface standards.

HDMI---Micro USB to HDMI MHL adapter

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 jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
Computer sync
OTA sync
Infrared
Tethering
DLNA

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
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
AAC+
AMR
eAAC+
MIDI
MP3
WMA
WAV
AAC
AMR
eAAC+
MIDI
MP3
WMA
WAV
AAC
AAC+
AMR
eAAC+
MIDI
MP3
OGG
WMA
WAV
AAC
AMR
AMR-WB
aptX
FLAC
MIDI
MP3
OGG
WMA

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
Xvid
3GPP
AVI
H.263
H.264
MP4
WMV
3GPP
AVI
H.263
H.264
H.265
MP4
VC-1
VP8
WMV
WMV9
Xvid
3GPP
AVI
Flash Video
H.263
H.264
H.265
MP4
VC-1
VP8
VP9
WebM
WMV
WMV9
Xvid

Battery

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

Capacity3000 mAh2900 mAh3000 mAh3000 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
2G talk time---30 h
1800 min
1.3 days
3G talk time---29 h
1740 min
1.2 days
4G stand-by time---496 h
29760 min
20.7 days
Charger output power--5 V / 1 A5 V / 2.7 A
8 V / 2 A
9 V / 2.7 A
12 V / 2 A
FeaturesNon-removableNon-removableNon-removableFast charging
Non-removable

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 (USA)---0.404 W/kg
Body SAR (USA)---1.38 W/kg
 IUNI U3IUNI U3 MiniIUNI i1LeTV Le 1s