Comparison between:
- Xiaomi Mi MIX Alpha
- Oukitel K7

Brand and model

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

Xiaomi Mi MIX AlphaOukitel K7
Xiaomi Mi MIX Alpha
Prices
Oukitel K7
Prices
Model aliasMi MIX α
Mi MIX 4
-

Design

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

Width72.3 mm
7.23 cm
0.237 ft
2.846 in
78 mm
7.8 cm
0.256 ft
3.071 in
Height154.38 mm
15.438 cm
0.506 ft
6.078 in
168 mm
16.8 cm
0.551 ft
6.614 in
Thickness10.4 mm
1.04 cm
0.034 ft
0.409 in
14.5 mm
1.45 cm
0.048 ft
0.571 in
Weight241 g
0.53 lbs
8.5 oz
302 g
0.67 lbs
10.67 oz
Volume116.08 cm³
7.05 in³
190.01 cm³
11.54 in³
ColorsBlackBlack
Gold
Body materialsTitanium
Ceramic
Glass
Leather
Magnesium 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-SIMNano-SIM
Nano-SIM / microSD
Number of SIM cards22
FeaturesDual 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 (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
W-CDMAW-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 900 MHz
W-CDMA 2100 MHz
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
-
LTELTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
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
5G NR5G-TDD 2500 MHz (n41)
5G-TDD 3500 MHz (n78)
5G-TDD 4700 MHz (n79)
-

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
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
5G NSA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 6

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 11 (Android 10)Android 8.1 Oreo

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 855 PlusMediaTek MT6750T
Process technology7 nm28 nm
CPU1x 2.96 GHz Kryo 485, 3x 2.42 GHz Kryo 485, 4x 1.8 GHz Kryo 4854x 1.5 GHz ARM Cortex-A53, 4x 1.0 GHz ARM Cortex-A53
CPU bits64 bit64 bit
Instruction setARMv8-AARMv8-A
Level 1 cache memory (L1)-32 KB + 32 KB
Level 2 cache memory (L2)-512 KB
0.5 MB
CPU cores88
CPU frequency2960 MHz1500 MHz
GPUQualcomm Adreno 640ARM Mali-T860 MP2
GPU cores-2
GPU frequency675 MHz650 MHz
RAM capacity12 GB4 GB
RAM typeLPDDR4XLPDDR3
RAM channelsDouble channelSingle channel
RAM frequency2133 MHz833 MHz

Storage

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

Storage512 GB64 GB
UFS 3.0-

Memory cards

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

Types-microSD
microSDHC
microSDXC

Display

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

Type/technologyFlexible OLEDIPS
Diagonal size7.92 in
201.17 mm
20.12 cm
6 in
152.4 mm
15.24 cm
Width5.39 in
136.84 mm
13.68 cm
2.68 in
68.16 mm
6.82 cm
Height5.81 in
147.46 mm
14.75 cm
5.37 in
136.31 mm
13.63 cm
Aspect ratio1.078:12:1
2:1 (18:9)
Resolution2088 x 2250 pixels1080 x 2160 pixels
Pixel density388 ppi
152 ppcm
402 ppi
158 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area181.36 %71.13 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Display manufacturer - Visionox
Wraparound display
180.6% screen-to-body ratio
Display manufacturer - AU Optronics
1500:1 contrast ratio
430 cd/m²
85% NTSC

Sensors

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

SensorsAccelerometer
Compass
Gyroscope
Pedometer
Geomagnetic
Fingerprint
Hall
Gravity
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Ultrasonic distance sensor
In-display fingerprint sensor
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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 modelSamsung S5KHMXSony IMX214 Exmor RS
Sensor typeISOCELLCMOS
Sensor size-4.69 x 3.52 mm
0.23 in
Sensor format1/1.33"-
Pixel size0.8 µm
0.000800 mm
1.127 µm
0.001127 mm
Crop factor-7.38
ISO-100 - 1600
Aperturef/1.69f/1.8
Focal length and 35 mm equivalent-3.5 mm
25.82 mm *(35 mm / full frame)
Number of lenses7-
Flash typeDual LEDDual LED
Image resolution12032 x 9024 pixels
108.58 MP
4160 x 3120 pixels
12.98 MP
Video resolution3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
Video FPS60 fps30 fps
FeaturesAutofocus
Continuous autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Macro mode
Phase detection autofocus (PDAF)
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Sensor type - ISOCELL Bright
Pixel size - 1.6 μm (4-in-1 pixel binning)
Four-axis OIS
Super Phase Detection
Laser hybrid focus
Secondary rear camera - 12 MP (portrait)
Sensor model - Samsung S5K2L7 (#2)
Sensor type - ISOCELL (#2)
Sensor size - 1/2.55" (#2)
Pixel size - 1.4 μm (#2)
Aperture size - f/2.0 (#2)
6-element lens (#2)
Dual Phase detection (#2)
2x optical zoom (#2)
Focal length (35 mm equivalent) - 51 mm (#2)
Third rear camera - 20 MP (ultra-wide angle)
Sensor model - Sony IMX350 Exmor RS (#3)
Sensor size - 1/2.8" (#3)
Pixel size - 1.0 μm (#3)
Aperture size - f/2.2 (#3)
6-element lens (#3)
Focal length (35 mm equivalent) - 17 mm (#3)
Angle of view - 117° (#3)
1.5 cm super macro (#3)
Laser hybrid focus (#3)
Sapphire glass
Secondary rear camera - 2 MP

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-GalaxyCore GC5025
Sensor type-CMOS
Sensor size-2.92 x 2.2 mm
0.14 in
Pixel size-1.141 µm
0.001141 mm
Crop factor-11.84
Aperture-f/2.8
Focal length and 35 mm equivalent-3.5 mm
41.45 mm *(35 mm / full frame)
Field of view-130 °
Image resolution-2560 x 1920 pixels
4.92 MP
Video resolution-1280 x 720 pixels
0.92 MP
Video FPS-30 fps

Audio

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

SpeakerLoudspeakerLoudspeaker
Earpiece
In-display sound system
TrueWireless Stereo Plus
-

Radio

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

RadioYesYes

Tracking/Positioning

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

Tracking/PositioningA-GPS
GPS (L1+L5)
GLONASS (L1)
BeiDou (B1)
Galileo (E1+E5a)
GPS
A-GPS
GLONASS

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
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
2x2 MiMO
MU-MiMO
-

Bluetooth

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

Version5.04.0
FeaturesA2DP
LE
A2DP

USB

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

Connector typeUSB Type-CMicro USB
Version2.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
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 jackNoYes

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
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
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
3GPP
AVI
MP4
Xvid

Battery

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

Capacity4050 mAh10000 mAh
TypeLi-IonLi-Polymer
2G talk time-56 h
3360 min
2.3 days
2G stand-by time-1300 h
78000 min
54.2 days
3G talk time-56 h
3360 min
2.3 days
3G stand-by time-1300 h
78000 min
54.2 days
Charger output power5 V / 3 A
9 V / 3 A
20 V / 2 A
5 V / 2 A
7 V / 2 A
9 V / 2 A
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Nano-based Li-Ion battery-
 Xiaomi Mi MIX AlphaOukitel K7