Comparison between:
- Microsoft Lumia 950 Dual SIM
- IUNI i1
- Xiaomi Redmi Note 5 SD636 China

Brand and model

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

Microsoft Lumia 950 Dual SIMIUNI i1Xiaomi Redmi Note 5 SD636 China
Microsoft Lumia 950 Dual SIM
Prices
IUNI i1Xiaomi Redmi Note 5 SD636 China
Prices
Model aliasRM-1118-Redmi Note 5 AI Dual Camera

Design

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

Width73.2 mm
7.32 cm
0.24 ft
2.882 in
70.3 mm
7.03 cm
0.231 ft
2.768 in
75.4 mm
7.54 cm
0.247 ft
2.969 in
Height145 mm
14.5 cm
0.476 ft
5.709 in
139 mm
13.9 cm
0.456 ft
5.472 in
158.6 mm
15.86 cm
0.52 ft
6.244 in
Thickness8.2 mm
0.82 cm
0.027 ft
0.323 in
9.5 mm
0.95 cm
0.031 ft
0.374 in
8.05 mm
0.805 cm
0.026 ft
0.317 in
Weight150 g
0.33 lbs
5.29 oz
160 g
0.35 lbs
5.64 oz
181 g
0.4 lbs
6.38 oz
Volume87.03 cm³
5.29 in³
92.83 cm³
5.64 in³
96.27 cm³
5.85 in³
ColorsBlack
White
WhiteBlack
Gold
Blue
Rose-gold
Body materialsPolycarbonate
Metal
-Aluminium alloy

SIM card

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

SIM card typeNano-SIMMicro-SIMNano-SIM / microSD
Nano-SIM
Number of SIM cards222
FeaturesDual 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
CDMA--CDMA 800 MHz
W-CDMA-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-SCDMA-TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
--
LTELTE 700 MHz Class 17
LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz (B28)
LTE 700 MHz (B12)
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 850 MHz
LTE 900 MHz
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 Cat 4
UMTS
EDGE
GPRS
HSPA+
LTE
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
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)Microsoft Windows 10IUNIMIUI V9.2 (Android 8.0 Oreo)
MIUI (Android 9.0 Pie)

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 808 MSM8992Qualcomm Snapdragon 801 MSM8974AAQualcomm Snapdragon 636
Process technology20 nm28 nm14 nm
CPU2x 1.8 GHz ARM Cortex-A57, 4x 1.44 GHz ARM Cortex-A53Krait 4004x 1.8 GHz Kryo 260, 4x 1.6 GHz Kryo 260
CPU bits64 bit32 bit64 bit
Instruction setARMv8-AARMv7ARMv8
Level 0 cache memory (L0)4 KB + 4 KB4 KB + 4 KB-
Level 1 cache memory (L1)16 KB + 16 KB16 KB + 16 KB-
Level 2 cache memory (L2)2048 KB
2 MB
2048 KB
2 MB
-
CPU cores648
CPU frequency1800 MHz2300 MHz1800 MHz
GPUQualcomm Adreno 418Qualcomm Adreno 330Qualcomm Adreno 509
GPU cores-4-
GPU frequency600 MHz450 MHz-
RAM capacity3 GB2 GB3 GB
4 GB
6 GB
RAM typeLPDDR3LPDDR3LPDDR4X
RAM channelsDouble channelDouble channelDouble channel
RAM frequency933 MHz800 MHz1333 MHz
Liquid cooling system--

Storage

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

Storage32 GB32 GB32 GB
64 GB
128 GB
--eMMC 5.1

Memory cards

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

TypesmicroSD
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/technologyAMOLEDIPSIPS
Diagonal size5.2 in
132.08 mm
13.21 cm
5.2 in
132.08 mm
13.21 cm
5.99 in
152.15 mm
15.21 cm
Width2.55 in
64.75 mm
6.48 cm
2.55 in
64.75 mm
6.48 cm
2.68 in
68.04 mm
6.8 cm
Height4.53 in
115.12 mm
11.51 cm
4.53 in
115.12 mm
11.51 cm
5.36 in
136.08 mm
13.61 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
2:1
2:1 (18:9)
Resolution1440 x 2560 pixels1080 x 1920 pixels1080 x 2160 pixels
Pixel density565 ppi
222 ppcm
424 ppi
166 ppcm
403 ppi
158 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area70.46 %76.53 %77.68 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 3
ClearBlack display
Glance screen technology
LTPS (Low Temperature PolySilicon)
OGS (One Glass Solution)
Corning Gorilla Glass
2.5D curved glass screen
1000:1 contrast ratio
450 cd/m²
84% NTSC

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Barometer
SensorCore
Proximity
Light
Accelerometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Hall

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 model--Samsung S5K2L7
Sensor typeCMOS BSICMOSISOCELL
Sensor size5.76 x 4.29 mm
0.28 in
--
Sensor format--1/2.56"
Pixel size1.071 µm
0.001071 mm
-1.4 µm
0.001400 mm
Crop factor6.02--
Aperturef/1.9f/2f/1.9
Focal length and 35 mm equivalent4.32 mm
26.01 mm *(35 mm / full frame)
28 mm *(35 mm / full frame)3.81 mm
Number of lenses66-
Flash typeTriple LEDLEDDual LED
Image resolution5376 x 3744 pixels
20.13 MP
4160 x 3120 pixels
12.98 MP
4000 x 3000 pixels
12 MP
Video resolution3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
RAW
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
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Carl Zeiss optics
5th gen OIS
Lossless zoom
-Phase detection with Dual Pixel
Secondary rear camera - 5 MP
Sensor model - Samsung S5K5E8 (#2)
Sensor type - CMOS BSI (#2)
Sensor size - 2.9 x 2.15 mm (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.0 (#2)

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--OmniVision OV13855
Sensor type--PureCel
Sensor size--4.75 x 3.54 mm
0.23 in
Pixel size--1.142 µm
0.001142 mm
Crop factor--7.31
Aperturef/2.4--
Field of view-85 °-
Auxiliary light--LED
Image resolution2560 x 1920 pixels
4.92 MP
3264 x 2448 pixels
7.99 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
-1920 x 1080 pixels
2.07 MP
Video FPS30 fps-30 fps
Features--Face unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioNoYesYes

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
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
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
MiMO--

Bluetooth

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

Version4.14.05.0
FeaturesA2DP
AVRCP
EDR
GAVDP
GATT
HDP
HFP
HID
LE
MAP
OPP
PAN
PBAP
HOGP
A2DPA2DP
EDR
HID
LE

USB

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

Connector typeUSB Type-CMicro USBMicro USB
Version3.12.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
Charging
Host
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
Tethering
DLNA
NFC
Computer sync
OTA sync
Tethering
Computer sync
OTA sync
Infrared
VoLTE

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
AAC+
AMR
AMR-WB
aptX
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
eAAC+
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
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
Flash Video
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
WebM
WMV
Xvid
3GPP
AVI
H.263
H.264
H.265
MP4
VC-1
VP8
WMV
WMV9
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
QuickTime
MP4
VC-1
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.

Capacity3000 mAh3000 mAh4000 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
2G talk time23 h
1380 min
1 days
-23 h
1380 min
1 days
2G stand-by time288 h
17280 min
12 days
--
3G talk time18 h
1080 min
0.8 days
-23 h
1380 min
1 days
3G stand-by time288 h
17280 min
12 days
--
Charger output power-5 V / 1 A5 V / 2 A
Quick charge technologyQualcomm Quick Charge 2.0-Qualcomm Quick Charge 2.0
FeaturesWireless charging
Fast charging
Removable
Non-removableFast charging
Non-removable
Qi wireless charging--

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)--1.29 W/kg
Body SAR (EU)--1.24 W/kg
Head SAR (USA)--1.03 W/kg
Body SAR (USA)--0.79 W/kg

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional featuresMicrosoft Display Dock - 1 x HDMI; 1 x DisplayPort; 3 x USB--
 Microsoft Lumia 950 Dual SIMIUNI i1Xiaomi Redmi Note 5 SD636 China