Comparison between:
- Gome C7 Note
- Gome C7
- Gome U9
- Gome K1

Brand and model

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

Gome C7 NoteGome C7Gome U9Gome K1
Gome C7 Note
Prices
Gome C7Gome U9Gome K1
Prices
Model aliasC7Note---

Design

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

Width76.8 mm
7.68 cm
0.252 ft
3.024 in
70.44 mm
7.044 cm
0.231 ft
2.773 in
75.24 mm
7.524 cm
0.247 ft
2.962 in
71 mm
7.1 cm
0.233 ft
2.795 in
Height157.4 mm
15.74 cm
0.516 ft
6.197 in
144.65 mm
14.465 cm
0.475 ft
5.695 in
156.1 mm
15.61 cm
0.512 ft
6.146 in
145.2 mm
14.52 cm
0.476 ft
5.717 in
Thickness8.6 mm
0.86 cm
0.028 ft
0.339 in
8.53 mm
0.853 cm
0.028 ft
0.336 in
7.8 mm
0.78 cm
0.026 ft
0.307 in
7.7 mm
0.77 cm
0.025 ft
0.303 in
Weight157 g
0.35 lbs
5.54 oz
147 g
0.32 lbs
5.19 oz
167 g
0.37 lbs
5.89 oz
156 g
0.34 lbs
5.5 oz
Volume103.96 cm³
6.31 in³
86.91 cm³
5.28 in³
91.61 cm³
5.56 in³
79.38 cm³
4.82 in³
ColorsBlack
Gold
Black
Gold
Black
Blue
Gray
Body materialsPlasticPlasticMetal
Polycarbonate
Metal

SIM card

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

SIM card typeNano-SIM
Nano-SIM / microSD
Nano-SIMNano-SIM
Nano-SIM / microSD
Nano-SIM
Nano-SIM / microSD
Number of SIM cards2222
Features-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 900 MHz
W-CDMA 2100 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
W-CDMA 900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz
W-CDMA 900 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
LTELTE 850 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 850 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 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)
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
LTE Cat 6
UMTS
EDGE
GPRS
LTE Cat 6
UMTS
EDGE
GPRS
LTE Cat 6
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
LTE Cat 6
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)Gome OS 3.0 (Android 8.1 Oreo)Gome OS 3.0 (Android 8.1 Oreo)Gome OS 3.0 (Android)Gome OS (Android 6.0 Marshmallow)

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.

SoCMediaTek Helio P23 (MT6763V)MediaTek MT6739MediaTek Helio P23 (MT6763T)MediaTek Helio P20 (MT6757)
Process technology16 nm28 nm16 nm16 nm
CPU4x 2.0 GHz ARM Cortex-A53, 4x 1.65 GHz ARM Cortex-A53ARM Cortex-A534x 2.3 GHz ARM Cortex-A53, 4x 1.65 GHz ARM Cortex-A534x 2.3 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A53
CPU bits64 bit64 bit64 bit64 bit
Instruction setARMv8-AARMv8-AARMv8-AARMv8-A
Level 1 cache memory (L1)---256 KB + 256 KB
Level 2 cache memory (L2)---2048 KB
2 MB
CPU cores8488
CPU frequency2000 MHz1500 MHz2300 MHz2300 MHz
GPUARM Mali-G71 MP2PowerVR GE8100ARM Mali-G71 MP2ARM Mali-T880 MP2
GPU cores2-22
GPU frequency700 MHz570 MHz770 MHz900 MHz
RAM capacity2 GB
3 GB
2 GB6 GB4 GB
RAM typeLPDDR3LPDDR3LPDDR4XLPDDR4X
RAM channelsSingle channelSingle channelDouble channelDouble channel
RAM frequency933 MHz667 MHz1600 MHz1600 MHz

Storage

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

Storage16 GB
32 GB
16 GB64 GB
128 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
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/technologyIPSIPSIPSJDI IPS
Diagonal size5.99 in
152.15 mm
15.21 cm
5.45 in
138.43 mm
13.84 cm
6.18 in
156.97 mm
15.7 cm
5.2 in
132.08 mm
13.21 cm
Width2.68 in
68.04 mm
6.8 cm
2.44 in
61.91 mm
6.19 cm
2.68 in
68.02 mm
6.8 cm
2.55 in
64.75 mm
6.48 cm
Height5.36 in
136.08 mm
13.61 cm
4.87 in
123.82 mm
12.38 cm
5.57 in
141.47 mm
14.15 cm
4.53 in
115.12 mm
11.51 cm
Aspect ratio2:1
2:1 (18:9)
2:1
2:1 (18:9)
2.08:11.778:1
16:9
Resolution720 x 1440 pixels720 x 1440 pixels1080 x 2246 pixels1080 x 1920 pixels
Pixel density269 ppi
105 ppcm
295 ppi
115 ppcm
403 ppi
158 ppcm
424 ppi
166 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area76.85 %75.47 %82.2 %72.54 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
2.5D curved glass screen-2.5D curved glass screen
1500:1 contrast ratio
95% NTSC
Display manufacturer - Japan Display Inc.
2.75D curved glass screen

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Fingerprint
Proximity
Light
Accelerometer
Compass
Proximity
Light
Accelerometer
Compass
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Iris sensor

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 S5K3P3
Sensor typeCMOSCMOSCMOSISOCELL
Sensor size---4.74 x 3.56 mm
0.23 in
Pixel size--1.25 µm
0.001250 mm
1.029 µm
0.001029 mm
Crop factor---7.29
Aperture--f/1.8f/2
Number of lenses--6-
Flash typeLEDLEDLEDDual LED
Image resolution4160 x 3120 pixels
12.98 MP
4160 x 3120 pixels
12.98 MP
4032 x 3024 pixels
12.19 MP
4608 x 3456 pixels
15.93 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesAutofocus
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
Phase detection autofocus (PDAF)
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
Phase detection autofocus (PDAF)
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
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
Phase detection autofocus (PDAF)
Secondary rear camera - 5 MP-Secondary rear camera - 5 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.

Pixel size--2 µm
0.002000 mm
-
Aperture--f/2-
Field of view--77.9 °-
Image resolution2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
4608 x 3456 pixels
15.93 MP
3264 x 2448 pixels
7.99 MP
Video resolution1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps30 fps
Features-Face unlockFace unlock-

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
--Smart PA
Headphone adapter
Dirac HD
NXP TFA9890
Headphone adapter

Radio

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

RadioYesYesYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS
GPS
A-GPS
GLONASS
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
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
802.11n 5GHz
Dual band
Wi-Fi Hotspot
Wi-Fi Direct

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 USBUSB Type-CUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
Charging
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 jackYesYesNoNo

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
VoLTE
Computer sync
OTA sync
Tethering
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
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
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
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
Flash Video
H.263
H.264
MKV
QuickTime
MP4
Xvid
3GPP
AVI
MKV
QuickTime
MP4
Xvid
3GPP
AVI
Flash Video
H.263
H.264
MKV
QuickTime
MP4
Xvid
3GPP
AVI
Flash Video
H.263
H.264
MKV
QuickTime
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.

Capacity3500 mAh3000 mAh3160 mAh3500 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
Charger output power5 V / 1.5 A-9 V / 2 A5 V / 5 A
Quick charge technology---MediaTek Pump Express 3.0
FeaturesNon-removableNon-removableFast charging
Non-removable
Fast charging
Non-removable

Additional features

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

Additional featuresSAR (Specific Absorption Rate) India: head - 0.461 W/kg; body - 1.245 W/kgSAR (Specific Absorption Rate) India: head - 0.409 W/kg; body - 0.909 W/kg--
 Gome C7 NoteGome C7Gome U9Gome K1