Comparison between:
- HTC Desire 620
- Sony Xperia Z3
- Lenovo K3 Note

Brand and model

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

HTC Desire 620Sony Xperia Z3Lenovo K3 Note
HTC Desire 620Sony Xperia Z3
Prices
Lenovo K3 Note
Model alias-D6603
D6616
D6633
D6643
D6653
L55t
L55u
K50-a40
K50-t5

Design

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

Width72.7 mm
7.27 cm
0.239 ft
2.862 in
72 mm
7.2 cm
0.236 ft
2.835 in
76.2 mm
7.62 cm
0.25 ft
3 in
Height150.1 mm
15.01 cm
0.492 ft
5.909 in
146 mm
14.6 cm
0.479 ft
5.748 in
152.6 mm
15.26 cm
0.501 ft
6.008 in
Thickness9.6 mm
0.96 cm
0.031 ft
0.378 in
7.3 mm
0.73 cm
0.024 ft
0.287 in
7.99 mm
0.799 cm
0.026 ft
0.315 in
Weight160 g
0.35 lbs
5.64 oz
152 g
0.34 lbs
5.36 oz
150 g
0.33 lbs
5.29 oz
Volume104.76 cm³
6.36 in³
76.74 cm³
4.66 in³
92.91 cm³
5.64 in³
ColorsBlack
White
Blue
Gray
Black
White
Green
Brown
White
Yellow
Black
Body materialsPlasticAluminium alloy
Glass
Plastic
Certification-IP65
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-SIMMicro-SIM
Number of SIM cards212
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)Dual SIM optional (A variant of the model with two SIM card slots is available)Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)
-D6633 - Dual SIM-

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 1900 MHz
TD-SCDMATD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
TD-SCDMA 1880-1920 MHz (L55t)
TD-SCDMA 2010-2025 MHz (L55t)
TD-SCDMA 1880-1920 MHz
TD-SCDMA 2010-2025 MHz
UMTSUMTS 850 MHz
UMTS 900 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
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE 900 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 700 MHz Class 12 (D6616)
LTE 700 MHz Class 17 (D6603; D6633; D6643)
LTE 800 MHz (D6603; D6633; D6643)
LTE 850 MHz (D6603; D6633; D6643; D6653)
LTE 900 MHz (D6603; D6633; D6643; D6653)
LTE 1800 MHz (D6603; D6633; D6643; D6653; L55t; L55u)
LTE 1900 MHz (D6616)
LTE 2600 MHz (D6603; D6633; D6643; D6653; L55t)
LTE 700 MHz Class 13 (D6603)
LTE 700 MHz (B28) (D6653)
LTE 1700/2100 MHz (D6603; D6633; D6643)
LTE 2100 MHz (D6603; D6633; D6643; D6653; L55t; L55u)
LTE-TDD 1900 MHz (B39) (L55t)
LTE-TDD 2300 MHz (B40) (L55t; L55u)
LTE-TDD 2500 MHz (B41) (L55t; L55u)
LTE-TDD 2600 MHz (B38) (L55t)
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
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
HSPA+
LTE Cat 4
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
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)Android 4.4.4 KitKat
Android 5.1.1 Lollipop
Android 4.4.4 KitKat
Android 5.0.2 Lollipop
Android 5.1.1 Lollipop
Android 6.0 Marshmallow
Android 5.0 Lollipop
Android 6.0 Marshmallow
User interface (UI)Sense-Vibe 2.5

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 410 MSM8916Qualcomm Snapdragon 801 MSM8974ACMediaTek MT6752
Process technology28 nm28 nm28 nm
CPUARM Cortex-A53Krait 400ARM Cortex-A53
CPU bits64 bit32 bit64 bit
Instruction setARMv8ARMv7ARMv8-A
Level 0 cache memory (L0)4 KB + 4 KB4 KB + 4 KB-
Level 1 cache memory (L1)16 KB + 16 KB16 KB + 16 KB32 KB + 32 KB
Level 2 cache memory (L2)2048 KB
2 MB
2048 KB
2 MB
512 KB
0.5 MB
CPU cores448
CPU frequency1200 MHz2500 MHz1700 MHz
GPUQualcomm Adreno 306Qualcomm Adreno 330ARM Mali-T760 MP2
GPU cores-42
GPU frequency400 MHz578 MHz700 MHz
RAM capacity1 GB3 GB2 GB
RAM typeLPDDR3LPDDR3LPDDR3
RAM channelsSingle channelDouble channelSingle channel
RAM frequency533 MHz933 MHz800 MHz

Storage

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

Storage8 GB16 GB
32 GB
16 GB
-eMMC-

Memory cards

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

TypesmicroSD
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/technologyTFTIPSIPS
Diagonal size5 in
127 mm
12.7 cm
5.2 in
132.08 mm
13.21 cm
5.5 in
139.7 mm
13.97 cm
Width2.45 in
62.26 mm
6.23 cm
2.55 in
64.75 mm
6.48 cm
2.7 in
68.49 mm
6.85 cm
Height4.36 in
110.69 mm
11.07 cm
4.53 in
115.12 mm
11.51 cm
4.79 in
121.76 mm
12.18 cm
Aspect ratio1.778:1
16:9
1.778:1
16:9
1.778:1
16:9
Resolution720 x 1280 pixels1080 x 1920 pixels1080 x 1920 pixels
Pixel density294 ppi
115 ppcm
424 ppi
166 ppcm
401 ppi
157 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area63.36 %71.14 %71.95 %
Other featuresCapacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
-Triluminos display for mobile
X-Reality display
Dragontrail glass
OGS (One Glass Solution)

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
Proximity
Light
Accelerometer
Compass
Gyroscope
-Step detector
Step counter
-

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 IMX220 Exmor RSOmniVision OV13850
Sensor typeCMOS BSICMOSPureCel
Sensor size-6.17 x 4.55 mm
0.3 in
4.82 x 3.68 mm
0.24 in
Pixel size-1.176 µm
0.001176 mm
1.157 µm
0.001157 mm
Crop factor-5.647.14
ISO-50 - 12800-
Aperture-f/2f/2
Focal length and 35 mm equivalent-4.43 mm
25 mm *(35 mm / full frame)
-
Number of lenses--5
Flash typeLEDLEDDual LED
Image resolution3264 x 2448 pixels
7.99 MP
5248 x 3936 pixels
20.66 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Scene mode
Autofocus
Continuous shooting
Digital zoom
Digital image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
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
-1080p @ 60 fps
720p @ 120 fps
G lens
-

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 Exmor R-
Aperture--f/2.4
Image resolution2560 x 1920 pixels
4.92 MP
1920 x 1080 pixels
2.07 MP
2560 x 1920 pixels
4.92 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps

Audio

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

SpeakerLoudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Stereo speakers
Loudspeaker
-D6633 - HAC (M4/T3) Hearing Aid Compatibility
D6603; D6616; D6653 - HAC (M3/T3) Hearing Aid Compatibility
-

Radio

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

RadioYesYesYes
-RDS-

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
GPS
A-GPS
GLONASS
BeiDou
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
802.11a
802.11b
802.11g
802.11n
Wi-Fi Hotspot
Wi-Fi Direct

Bluetooth

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

Version4.04.04.1
FeaturesA2DPA2DP
AVRCP
DIP
GAP
GATT
HDP
HFP
HID
HSP
MAP
OPP
PAN
PBAP
SPP
A2DP
LE

USB

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

Connector typeMicro USBMicro USBMicro USB
Version2.02.02.0
FeaturesCharging
Mass storage
Charging
Host
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go

HDMI

The High-Definition Multimedia Interface (HDMI) is considered to be the digital alternative of the analog audio/video interface standards.

HDMI-Micro USB to HDMI MHL adapter-

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 jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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
AMR-WB
aptX
eAAC+
M4A
MIDI
MP3
OGG
WMA
WAV
3GPP
AAC
AAC+
AMR
AMR-WB
aptX
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
Vorbis
AAC
AMR
eAAC+
FLAC
MIDI
MP3
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
3GPP2
AVI
H.263
H.264
MP4
WMV
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MPEG-4
VP8
VP9
WebM
WMV
Xvid
M4V
3GPP
AVI
H.263
H.264
MP4
WMV

Battery

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

Capacity2100 mAh3100 mAh3000 mAh
TypeLi-PolymerLi-IonLi-Polymer
2G talk time19 h 12 min
19.2 h
1152 min
0.8 days
14 h
840 min
0.6 days
-
2G stand-by time525 h
31500 min
21.9 days
890 h
53400 min
37.1 days
-
3G talk time19 h 12 min
19.2 h
1152 min
0.8 days
16 h
960 min
0.7 days
36 h
2160 min
1.5 days
3G stand-by time525 h
31500 min
21.9 days
740 h
44400 min
30.8 days
750 h
45000 min
31.3 days
4G stand-by time-540 h
32400 min
22.5 days
-
Charger output power--5 V / 2 A
FeaturesRemovableNon-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 (EU)-0.691 W/kg-
Body SAR (EU)-0.712 W/kg-
Head SAR (USA)0.362 W/kg0.885 W/kg1.59 W/kg
Body SAR (USA)0.534 W/kg1.501 W/kg0.688 W/kg

Additional features

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

Additional features-D6653 - SAR (Specific Absorption Rate) EU: head - 0.620 W/kg; body - 0.645 W/kg
D6653 - SAR (Specific Absorption Rate) US: head - 0.798 W/kg; body - 1.437 W/kg
-
 HTC Desire 620Sony Xperia Z3Lenovo K3 Note