Comparison between:
- Oukitel K4000
- Samsung Galaxy S7 Edge Exynos

Brand and model

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

Oukitel K4000

Oukitel K4000

Dimensions: 70.5 x 143.5 x 10.5 mm
Weight: 208 g
SoC: MediaTek MT6735P
CPU: ARM Cortex-A53, 1000 MHz, Cores: 4
GPU: ARM Mali-T720 MP2, 400 MHz
RAM: 2 GB, 533 MHz
Storage: 16 GB
Display: 5 in, IPS, 720 x 1280 pixels, 24 bit
Battery: 4000 mAh, Li-Polymer
OS: Android 5.1 Lollipop
Camera: 3264 x 2448 pixels, 1280 x 720 pixels, 30 fps

Prices
Samsung Galaxy S7 Edge Exynos

Samsung Galaxy S7 Edge Exynos

Dimensions: 72.6 x 150.9 x 7.7 mm
Weight: 157 g
SoC: Samsung Exynos 8 Octa 8890
CPU: 4x 2.3 GHz Exynos M1 Mongoose, 4x 1.6 GHz ARM Cortex-A53, Cores: 8
GPU: ARM Mali-T880 MP12, 650 MHz
RAM: 4 GB, 1794 MHz
Storage: 32 GB, 64 GB
Display: 5.5 in, Super AMOLED, 1440 x 2560 pixels, 24 bit
Battery: 3600 mAh, Li-Ion
OS: Android 6.0.1 Marshmallow
Camera: 4032 x 3024 pixels, 3840 x 2160 pixels, 30 fps

Prices
Model alias-SM-G935D
G935D
SM-G935F
G935F
SM-G935J
G935J
SM-G935K
G935K
SM-G935L
G935L
SM-G935S
G-935S

Design

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

Width70.5 mm
7.05 cm
0.23 ft
2.78 in
72.6 mm
7.26 cm
0.24 ft
2.86 in
Height143.5 mm
14.35 cm
0.47 ft
5.65 in
150.9 mm
15.09 cm
0.5 ft
5.94 in
Thickness10.5 mm
1.05 cm
0.03 ft
0.41 in
7.7 mm
0.77 cm
0.03 ft
0.3 in
Weight208 g
0.46 lbs
7.34 oz
157 g
0.35 lbs
5.54 oz
Volume106.23 cm³
6.45 in³
84.36 cm³
5.12 in³
ColorsWhite
Black
Black
Gold
Silver
White
Body materialsMetal
Plastic
Aluminium alloy
Glass
Certification-IP68

SIM card

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

SIM card typeMicro-SIMNano-SIM
Number of SIM cards21
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
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
-
UMTS-UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE 800 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 700 MHz Class 13
LTE 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)

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 Cat 9

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 5.1 LollipopAndroid 6.0.1 Marshmallow
Android 7.0 Nougat
User interface (UI)-Edge UX

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 MT6735PSamsung Exynos 8 Octa 8890
Process technology28 nm14 nm
CPUARM Cortex-A534x 2.3 GHz Exynos M1 Mongoose, 4x 1.6 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 cores48
CPU frequency1000 MHz2300 MHz
GPUARM Mali-T720 MP2ARM Mali-T880 MP12
GPU cores212
GPU frequency400 MHz650 MHz
RAM capacity2 GB4 GB
RAM typeLPDDR3LPDDR4
RAM channelsSingle channelDouble channel
RAM frequency533 MHz1794 MHz

Storage

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

Storage16 GB32 GB
64 GB
-UFS 2.0

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/technologyIPSSuper AMOLED
Diagonal size5 in
127 mm
12.7 cm
5.5 in
139.7 mm
13.97 cm
Width2.45 in
62.26 mm
6.23 cm
2.7 in
68.49 mm
6.85 cm
Height4.36 in
110.69 mm
11.07 cm
4.79 in
121.76 mm
12.18 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
Resolution720 x 1280 pixels1440 x 2560 pixels
Pixel density294 ppi
115 ppcm
534 ppi
209 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area68.34 %76.37 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass
2.5D curved glass screen
Corning Gorilla Glass 4
Dual Edge display
Always-On Display

Sensors

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

SensorsProximity
Light
Accelerometer
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
Heart rate

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 model-Sony IMX260 Exmor RS
Sensor typeCMOSCMOS
Aperture-f/1.7
Focal length-4.2 mm
Flash typeLEDLED
Image resolution3264 x 2448 pixels
7.99 MP
4032 x 3024 pixels
12.19 MP
Video resolution1280 x 720 pixels
0.92 MP
3840 x 2160 pixels
8.29 MP
Video 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
Macro mode
Autofocus
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
Interpolated resolution - 13 MPAvailable also with Samsung S5K2L1 (ISOCELL)
Phase detection with Dual Pixel
Object tracking AF
Smart OIS
1080p @ 60 fps
720p @ 120 fps

Secondary camera

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

Sensor model-Samsung S5K4E6
Sensor type-ISOCELL
Sensor size-3.2 x 2.4 mm
0.16 in
Pixel size-1.25 µm
0.00125 mm
Crop factor-10.82
Aperturef/2.0f/1.7
Focal length-2.1 mm
22.71 mm *(35 mm / full frame)
Image resolution1600 x 1200 pixels
1.92 MP
2560 x 1440 pixels
3.69 MP
Video resolution640 x 480 pixels
0.31 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps
Interpolated resolution - 5 MPAuto HDR

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
-CS47L91

Radio

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

RadioYesNo

Tracking/Positioning

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

Tracking/PositioningGPS
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-Fi802.11b
802.11g
802.11n
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
-2x2 MiMO

Bluetooth

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

Version4.04.2
FeaturesA2DPA2DP
AVRCP
DIP
HFP
HID
HSP
LE
MAP
OPP
PAN
PBAP

USB

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

Connector typeMicro USBMicro USB
Version2.02.0
FeaturesCharging
Mass storage
Charging
Host
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 jackYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
NFC

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
AMR
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
XMF

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
MKV
MP4
Xvid
3GPP
3GPP2
AVI
DivX
Flash Video
H.263
H.264
MKV
MP4
WebM
WMV
Xvid
ASF

Battery

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

Capacity4000 mAh3600 mAh
TypeLi-PolymerLi-Ion
2G talk time72 h
4320 min
3 days
-
2G stand-by time480 h
28800 min
20 days
-
3G talk time70 h
4200 min
2.9 days
-
3G stand-by time500 h
30000 min
20.8 days
-
Charger output power5 V / 1 A-
FeaturesRemovableWireless charging
Fast charging
Non-removable
-Qi/PMA 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)0.572 W/kg0.264 W/kg
Body SAR (EU)0.402 W/kg0.507 W/kg
Head SAR (USA)1.038 W/kg1.17 W/kg
Body SAR (USA)0.671 W/kg1.59 W/kg

Additional features

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

Additional features-SM-G935F - SAR (Specific Absorption Rate) EU: head - 0.264 W/kg; body - 0.507 W/kg
SM-G935F - SAR (Specific Absorption Rate) US: head - 1.170 W/kg; body - 1.590 W/kg
SM-G935K - SAR (Specific Absorption Rate) US: head - 0.559 W/kg; body - 0.847 W/kg
SM-G935L - SAR (Specific Absorption Rate) US: head - 0.559 W/kg; body - 0.847 W/kg
SM-G935S - SAR (Specific Absorption Rate) US: head - 0.559 W/kg; body - 0.847 W/kg