Comparison between:
- Gome U7
- Gome U9
- Gome C7
- Gome C7 Note

Brand and model

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

Gome U7Gome U9Gome C7Gome C7 Note
Gome U7Gome U9Gome C7Gome C7 Note
Model alias2017M27A--C7Note

Design

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

Width75.2 mm
7.52 cm
0.247 ft
2.961 in
75.24 mm
7.524 cm
0.247 ft
2.962 in
70.44 mm
7.044 cm
0.231 ft
2.773 in
76.8 mm
7.68 cm
0.252 ft
3.024 in
Height161.5 mm
16.15 cm
0.53 ft
6.358 in
156.1 mm
15.61 cm
0.512 ft
6.146 in
144.65 mm
14.465 cm
0.475 ft
5.695 in
157.4 mm
15.74 cm
0.516 ft
6.197 in
Thickness7.5 mm
0.75 cm
0.025 ft
0.295 in
7.8 mm
0.78 cm
0.026 ft
0.307 in
8.53 mm
0.853 cm
0.028 ft
0.336 in
8.6 mm
0.86 cm
0.028 ft
0.339 in
Weight164 g
0.36 lbs
5.78 oz
167 g
0.37 lbs
5.89 oz
147 g
0.32 lbs
5.19 oz
157 g
0.35 lbs
5.54 oz
Volume91.09 cm³
5.53 in³
91.61 cm³
5.56 in³
86.91 cm³
5.28 in³
103.96 cm³
6.31 in³
ColorsBlack
Blue
Black
Blue
Black
Gold
Black
Gold
Body materialsMetalMetal
Polycarbonate
PlasticPlastic

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-SIM
Nano-SIM / microSD
Nano-SIMNano-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 900 MHz
W-CDMA 2100 MHz
TD-SCDMATD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
--
LTELTE-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 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 850 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 850 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
LTE Cat 6
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
LTE Cat 6
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
LTE Cat 6
UMTS
EDGE
GPRS
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)Gome OS 2.0 (Android Nougat 7.1)Gome OS 3.0 (Android)Gome OS 3.0 (Android 8.1 Oreo)Gome OS 3.0 (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.

SoCMediaTek Helio P25 (MT6757 Pro)MediaTek Helio P23 (MT6763T)MediaTek MT6739MediaTek Helio P23 (MT6763V)
Process technology16 nm16 nm28 nm16 nm
CPU4x 2.5 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A534x 2.3 GHz ARM Cortex-A53, 4x 1.65 GHz ARM Cortex-A534x 1.5 GHz ARM Cortex-A534x 2.0 GHz ARM Cortex-A53, 4x 1.65 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 cores8848
CPU frequency2500 MHz2300 MHz1500 MHz2000 MHz
GPUARM Mali-T880 MP2ARM Mali-G71 MP2IMG PowerVR GE8100ARM Mali-G71 MP2
GPU cores22-2
GPU frequency1000 MHz770 MHz570 MHz700 MHz
RAM capacity4 GB
6 GB
6 GB2 GB2 GB
3 GB
RAM typeLPDDR4XLPDDR4XLPDDR3LPDDR4X
RAM channelsDouble channelDouble channelSingle channelDouble channel
RAM frequency1600 MHz1500 MHz667 MHz1500 MHz

Storage

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

Storage64 GB64 GB
128 GB
16 GB16 GB
32 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/technologyIPSIPSIPSIPS
Diagonal size5.99 in
152.15 mm
15.21 cm
6.18 in
156.97 mm
15.7 cm
5.45 in
138.43 mm
13.84 cm
5.99 in
152.15 mm
15.21 cm
Width2.68 in
68.04 mm
6.8 cm
2.68 in
68.02 mm
6.8 cm
2.44 in
61.91 mm
6.19 cm
2.68 in
68.04 mm
6.8 cm
Height5.36 in
136.08 mm
13.61 cm
5.57 in
141.47 mm
14.15 cm
4.87 in
123.82 mm
12.38 cm
5.36 in
136.08 mm
13.61 cm
Aspect ratio2:1
2:1 (18:9)
2.08:12:1
2:1 (18:9)
2:1
2:1 (18:9)
Resolution1080 x 2160 pixels1080 x 2246 pixels720 x 1440 pixels720 x 1440 pixels
Pixel density403 ppi
158 ppcm
403 ppi
158 ppcm
295 ppi
115 ppcm
269 ppi
105 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area76.49 %82.2 %75.47 %76.85 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
Capacitive
Multi-touch
2.5D curved glass screen2.5D curved glass screen
1500:1 contrast ratio
95% NTSC
-2.5D 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
Fingerprint
Proximity
Light
Accelerometer
Compass
Proximity
Light
Accelerometer
Compass
Fingerprint

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 IMX258 Exmor RS---
Sensor typeCMOSCMOSCMOSCMOS
Sensor size4.71 x 3.49 mm
0.23 in
---
Pixel size1.133 µm
0.001133 mm
1.25 µm
0.001250 mm
--
Crop factor7.37---
Aperture-f/1.8--
Number of lenses-6--
Flash typeLEDLEDLEDLED
Image resolution4160 x 3120 pixels
12.98 MP
4032 x 3024 pixels
12.19 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
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
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)
-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 resolution4160 x 3120 pixels
12.98 MP
4608 x 3456 pixels
15.93 MP
2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
Video resolution1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesFace unlockFace 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
Headphone adapterSmart PA
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
GLONASS
GPS
A-GPS
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
802.11a
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

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 typeUSB Type-CUSB Type-CMicro USBMicro USB
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
Charging
Mass storage

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 jackNoNoYesYes

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
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

Battery

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

Capacity3050 mAh3160 mAh3000 mAh3500 mAh
TypeLi-PolymerLi-PolymerLi-PolymerLi-Polymer
Charger output power5 V / 2 A9 V / 2 A-5 V / 1.5 A
FeaturesNon-removableFast charging
Non-removable
Non-removableNon-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 (India)--0.409 W/kg0.461 W/kg
Body SAR (India)--0.909 W/kg1.245 W/kg
 Gome U7Gome U9Gome C7Gome C7 Note