Comparison between:
- BLU Advance A4
- Samsung Galaxy S8+ SD835

Brand and model

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

BLU Advance A4Samsung Galaxy S8+ SD835
BLU Advance A4
Prices
Samsung Galaxy S8+ SD835
Prices
Model aliasA130QGalaxy S8 Plus MSM8998
SM-G955A
G955A
SM-G955D
G955D
SM-G955J
G955J
SM-G955T
G955T
SM-G955U
G955U
SM-G955W
G955W
SM-G9550
G9550

Design

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

Width68.6 mm
6.86 cm
0.225 ft
2.701 in
73.4 mm
7.34 cm
0.241 ft
2.89 in
Height129.54 mm
12.954 cm
0.425 ft
5.1 in
159.5 mm
15.95 cm
0.523 ft
6.28 in
Thickness12.7 mm
1.27 cm
0.042 ft
0.5 in
8.1 mm
0.81 cm
0.027 ft
0.319 in
Weight-173 g
0.38 lbs
6.1 oz
Volume112.86 cm³
6.85 in³
94.83 cm³
5.76 in³
ColorsBlack
White
Blue
Black
Silver
Gold
Blue
Gray
Rose-gold
Body materialsPlasticGlass
Aluminium alloy
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
UMTSUMTS 850 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
LTE-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 700 MHz (B28)

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+
UMTS
EDGE
GPRS
HSPA+
LTE Cat 16

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 6.0 MarshmallowAndroid 7.0 Nougat
Android 8.0 Oreo
Android 9.0 Pie
User interface (UI)-Experience 8.1

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 MT6570Qualcomm Snapdragon 835 MSM8998
Process technology28 nm10 nm
CPUARM Cortex-A74x 2.35 GHz Kryo 280, 4x 1.9 GHz Kryo 280
CPU bits32 bit64 bit
Instruction setARMv7ARMv8-A
Level 1 cache memory (L1)-32 KB + 32 KB
Level 2 cache memory (L2)-3072 KB
3 MB
CPU cores28
CPU frequency1300 MHz2350 MHz
GPUARM Mali-400 MP1Qualcomm Adreno 540
GPU cores1-
GPU frequency-710 MHz
RAM capacity512 MB4 GB
6 GB
RAM typeLPDDR3LPDDR4X
RAM channelsSingle channelDouble channel
RAM frequency-1866 MHz

Storage

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

Storage8 GB64 GB
128 GB
-UFS 2.1

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/technologyTFTSuper AMOLED
Diagonal size4 in
101.6 mm
10.16 cm
6.2 in
157.48 mm
15.75 cm
Width2.06 in
52.27 mm
5.23 cm
2.71 in
68.89 mm
6.89 cm
Height3.43 in
87.12 mm
8.71 cm
5.58 in
141.61 mm
14.16 cm
Aspect ratio1.667:1
5:3
2.056:1
Resolution480 x 800 pixels1440 x 2960 pixels
Pixel density233 ppi
91 ppcm
531 ppi
208 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area51.41 %83.6 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
-Corning Gorilla Glass 5
Dual Edge display
Always-On Display
580 cd/m²
90% DCI-P3

Sensors

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

SensorsAccelerometerProximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
Heart rate
Iris sensor
-Fingerprint sensor model - Synaptics Namsan

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-Sony IMX333 Exmor RS
Sensor typeCMOSCMOS
Sensor format-1/2.55"
Pixel size-1.4 µm
0.001400 mm
Aperturef/2.8f/1.7
Focal length and 35 mm equivalent-4.2 mm
26 mm *(35 mm / full frame)
Field of view-77 °
Flash typeLEDDual LED
Image resolution2592 x 1944 pixels
5.04 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
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene 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
RAW
Phase detection autofocus (PDAF)
-Available also with Samsung S5K2L2 (ISOCELL)
Phase detection with Dual Pixel
Object tracking AF
Smart OIS
High CRI LED flash
720p @ 240 fps

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-Sony IMX320 Exmor RS
Sensor type-CMOS
Sensor format-1/3.6"
Pixel size-1.22 µm
0.001220 mm
Aperture-f/1.7
Focal length and 35 mm equivalent-2.95 mm
25 mm *(35 mm / full frame)
Field of view-80 °
Auxiliary lightLED-
Image resolution1600 x 1200 pixels
1.92 MP
3264 x 2448 pixels
7.99 MP
Video resolution640 x 480 pixels
0.31 MP
2560 x 1440 pixels
3.69 MP
Video FPS30 fps30 fps
-Available also with Samsung S5K3H1
Auto HDR

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
-Qualcomm WCD9341 DAC
192 kHz / 24-bit

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/PositioningGPS
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-Fi802.11b
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
-VHT80 MU-MiMO
1024-QAM

Bluetooth

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

Version4.05.0
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 USBUSB Type-C
Version2.03.1
FeaturesCharging
Mass storage
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 jackYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
Computer sync
OTA sync
Tethering
NFC
ANT+

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
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
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.

Capacity1350 mAh3500 mAh
TypeLi-IonLi-Ion
2G talk time-29 h
1740 min
1.2 days
3G talk time-29 h
1740 min
1.2 days
Charger output power-5 V / 2 A
9 V / 1.67 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 (USA)-0.16 W/kg
Body SAR (USA)-0.46 W/kg

Additional features

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

Additional features-SM-G955N - SAR (Specific Absorption Rate) US: head - 0.160 W/kg; body - 0.460 W/kg
SM-G955U - SAR (Specific Absorption Rate) US: head - 0.220 W/kg; body - 1.010 W/kg
 BLU Advance A4Samsung Galaxy S8+ SD835