Comparison between:
- Razer Phone
- Essential PH-1
- Karbonn K9 Music 4G
- BQ Mobile BQ-5707G Next Music

Brand and model

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

Razer PhoneEssential PH-1Karbonn K9 Music 4GBQ Mobile BQ-5707G Next Music
Razer Phone
Prices
Essential PH-1Karbonn K9 Music 4GBQ Mobile BQ-5707G Next Music
Model alias-Essential Phone--

Design

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

Width77.7 mm
7.77 cm
0.25 ft
3.06 in
71.1 mm
7.11 cm
0.23 ft
2.8 in
71.5 mm
7.15 cm
0.23 ft
2.81 in
74.8 mm
7.48 cm
0.25 ft
2.94 in
Height158.5 mm
15.85 cm
0.52 ft
6.24 in
141.5 mm
14.15 cm
0.46 ft
5.57 in
143.75 mm
14.38 cm
0.47 ft
5.66 in
155.5 mm
15.55 cm
0.51 ft
6.12 in
Thickness8 mm
0.8 cm
0.03 ft
0.31 in
7.8 mm
0.78 cm
0.03 ft
0.31 in
9.2 mm
0.92 cm
0.03 ft
0.36 in
9.2 mm
0.92 cm
0.03 ft
0.36 in
Weight197 g
0.43 lbs
6.95 oz
185 g
0.41 lbs
6.53 oz
170 g
0.37 lbs
6 oz
185 g
0.41 lbs
6.53 oz
Volume98.52 cm³
5.98 in³
78.47 cm³
4.77 in³
94.56 cm³
5.74 in³
107.01 cm³
6.5 in³
ColorsBlackBlack
White
Gray
Green
Blue
Champagne
Black
Red
Gray
Gold
Body materialsAluminium alloyTitanium
Ceramic
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-SIMNano-SIMMicro-SIMMicro-SIM
Number of SIM cards1122
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)

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 900 MHz
GSM 1800 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMA-CDMA 800 MHz
CDMA 1900 MHz
--
W-CDMA--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
--
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 850 MHz (B6)
-UMTS 900 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 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz (B12)
LTE 800 MHz (B19)
LTE 1900 MHz (B25)
LTE 850 MHz (B26)
LTE 700 MHz (B28)
LTE 700 MHz (B29)
LTE 2300 MHz (B30)
LTE 1700/2100 MHz (B66)
LTE 700 MHz Class 13
LTE 700 MHz Class 17
LTE 800 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 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 (B26)
LTE 700 MHz (B28)
LTE 1900 MHz (B25)
LTE 700 MHz (B12)
LTE 1500 MHz (B21)
LTE 850 MHz
LTE 1800 MHz
LTE-TDD 2300 MHz (B40)
-

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 Cat 12
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA+

Operating system

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

Operating system (OS)Android 7.1.1 Nougat
Android 8.0 Oreo
Android 8.1 Oreo
Android 7.1 Nougat
Android 8.0 Oreo
Android 8.1 Oreo
Android 9.0 Pie
Android 7.0 NougatAndroid 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 835 MSM8998Qualcomm Snapdragon 835 MSM8998MediaTek MT6737MediaTek MT6580P
Process technology10 nm10 nm28 nm28 nm
CPU4x 2.35 GHz Kryo 280, 4x 1.9 GHz Kryo 2804x 2.45 GHz Kryo 280, 4x 1.9 GHz Kryo 280ARM Cortex-A53ARM Cortex-A7
CPU bits64 bit64 bit64 bit32 bit
Instruction setARMv8-AARMv8-AARMv8-AARMv7
Level 1 cache memory (L1)32 KB + 32 KB32 KB + 32 KB32 KB + 32 KB32 KB + 32 KB
Level 2 cache memory (L2)3072 KB
3 MB
3072 KB
3 MB
512 KB
0.5 MB
512 KB
0.5 MB
CPU cores8844
CPU frequency2350 MHz2450 MHz1300 MHz1300 MHz
GPUQualcomm Adreno 540Qualcomm Adreno 540ARM Mali-T720 MP1ARM Mali-400 MP2
GPU cores--12
GPU frequency710 MHz710 MHz600 MHz-
RAM capacity8 GB4 GB1 GB2 GB
RAM typeLPDDR4XLPDDR4XLPDDR3LPDDR3
RAM channelsDouble channelDouble channelSingle channelSingle channel
RAM frequency1866 MHz1866 MHz640 MHz533 MHz

Storage

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

Storage64 GB128 GB16 GB16 GB

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
-microSD
microSDHC
microSD
microSDHC
microSDXC

Display

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

Type/technologyIGZOIPSTFTIPS
Diagonal size5.7 in
144.78 mm
14.48 cm
5.71 in
145.03 mm
14.5 cm
5 in
127 mm
12.7 cm
5.7 in
144.78 mm
14.48 cm
Width2.79 in
70.98 mm
7.1 cm
2.6 in
66.15 mm
6.61 cm
2.45 in
62.23 mm
6.22 cm
2.55 in
64.75 mm
6.47 cm
Height4.97 in
126.19 mm
12.62 cm
5.08 in
129.07 mm
12.91 cm
4.36 in
110.71 mm
11.07 cm
5.1 in
129.5 mm
12.95 cm
Aspect ratio1.778:1
16:9
1.951:11.779:12:1
2:1 (18:9)
Resolution1440 x 2560 pixels1312 x 2560 pixels480 x 854 pixels720 x 1440 pixels
Pixel density515 ppi
202 ppcm
504 ppi
198 ppcm
196 ppi
77 ppcm
282 ppi
110 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area72.96 %85.14 %67.24 %72.32 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Display manufacturer - Sharp
Corning Gorilla Glass 3
120 Hz refresh rate
Wide Color Gamut
Corning Gorilla Glass 5
LTPS (Low Temperature PolySilicon)
1000:1 contrast ratio
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
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Proximity
Light
Accelerometer
Proximity
Light
Accelerometer
Fingerprint
Hall
Fingerprint sensor model - Fingerprint Cards FPC1145---

Primary camera

The primary camera of the mobile device is usually placed at its back and is used for taking photos and recording videos.

Sensor typeCMOSCMOSCMOSCMOS
Aperturef/1.75f/1.85--
Focal length4.28 mm---
Flash typeDual LEDLEDLEDLED
Image resolution4032 x 3024 pixels
12.19 MP
4160 x 3120 pixels
12.98 MP
3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Optical zoom
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
Autofocus
Continuous shooting
Digital zoom
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
Focal length (35 mm equivalent) - 25 mm
Secondary rear camera - 12 MP (telephoto)
Aperture size - f/2.6 (#2)
Phase detection (#2)
Phase detection
Laser autofocus
Contrast autofocus
1080p @ 60 fps
720p @ 120 fps
Secondary rear camera - 13 MP (monochrome)
-Interpolated resolution - 13 MP

Secondary camera

Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.

Sensor type-CMOS--
Aperturef/2f/2.2--
Focal length3.51 mm---
Flash type--LED-
Image resolution3264 x 2448 pixels
7.99 MP
3264 x 2448 pixels
7.99 MP
2560 x 1920 pixels
4.92 MP
2560 x 1920 pixels
4.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
640 x 480 pixels
0.31 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps30 fps30 fps30 fps
-1080p @ 60 fps
720p @ 120 fps
-Interpolated resolution - 8 MP

Audio

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

SpeakerLoudspeaker
Earpiece
Stereo speakers
Loudspeaker
Stereo speakers
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Stereo speakers
Dolby Atmos
THX-certified DAC
Headphone adapter
Headphone adapter--

Radio

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

Radio-NoYesYes

Tracking/Positioning

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

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

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
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11b
802.11g
802.11n
Wi-Fi Hotspot
-MiMO--

Bluetooth

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

Version4.25.04.04.0
FeaturesA2DP
EDR
LE
A2DPA2DPA2DP

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
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 jackNoNoYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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

Battery

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

Capacity4000 mAh3040 mAh2200 mAh2800 mAh
TypeLi-IonLi-PolymerLi-IonLi-Ion
2G talk time--8 h
480 min
0.3 days
-
2G stand-by time--180 h
10800 min
7.5 days
-
3G talk time--8 h
480 min
0.3 days
-
3G stand-by time--180 h
10800 min
7.5 days
-
Charger output power--5 V / 1 A-
Quick charge technologyQualcomm Quick Charge 4+---
FeaturesFast charging
Non-removable
Fast charging
Non-removable
RemovableRemovable

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)0.42 W/kg0.28 W/kg0.41 W/kg-
Body SAR (USA)0.69 W/kg0.76 W/kg0.578 W/kg-
 Razer PhoneEssential PH-1Karbonn K9 Music 4GBQ Mobile BQ-5707G Next Music