Comparison between:
- Nokia Lumia 730 Dual SIM
- Nokia Lumia 925
- Nokia Lumia 720
- Nokia X6

Brand and model

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

Nokia Lumia 730 Dual SIMNokia Lumia 925Nokia Lumia 720Nokia X6
Nokia Lumia 730 Dual SIM
Prices
Nokia Lumia 925
Prices
Nokia Lumia 720
Prices
Nokia X6
Prices
Model aliasRM-1040RM-893RM-885TA-1099
Totoro

Design

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

Width68.5 mm
6.85 cm
0.225 ft
2.697 in
70.6 mm
7.06 cm
0.232 ft
2.78 in
67.5 mm
6.75 cm
0.221 ft
2.657 in
70.98 mm
7.098 cm
0.233 ft
2.794 in
Height134.7 mm
13.47 cm
0.442 ft
5.303 in
129 mm
12.9 cm
0.423 ft
5.079 in
127.9 mm
12.79 cm
0.42 ft
5.035 in
147.2 mm
14.72 cm
0.483 ft
5.795 in
Thickness8.7 mm
0.87 cm
0.029 ft
0.343 in
8.5 mm
0.85 cm
0.028 ft
0.335 in
9 mm
0.9 cm
0.03 ft
0.354 in
8.59 mm
0.859 cm
0.028 ft
0.338 in
Weight130 g
0.29 lbs
4.6 oz
139 g
0.31 lbs
4.9 oz
128 g
0.28 lbs
4.52 oz
151 g
0.33 lbs
5.33 oz
Volume80.27 cm³
4.88 in³
77.41 cm³
4.7 in³
77.7 cm³
4.72 in³
89.75 cm³
5.45 in³
ColorsBlack
White
Orange
Green
Black
White
Gray
-Black
White
Blue
Body materials---Aluminium alloy
Glass

SIM card

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

SIM card typeMicro-SIMMicro-SIMMicro-SIMNano-SIM
Nano-SIM / microSD
Number of SIM cards2112
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
GSM 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 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
UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTE-LTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
-LTE 850 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)

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 Class B
GPRS Class B
HSPA+
LTE Cat 3
UMTS
EDGE Class B
GPRS Class B
HSPA+
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4

Operating system

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

Operating system (OS)Microsoft Windows Phone 8.1
Microsoft Windows 10 Mobile
Microsoft Windows Phone 8Microsoft Windows Phone 8
Microsoft Windows Phone 8 Amber
Android 8.1 Oreo
Android 9.0 Pie
User interface (UI)Lumia Denim---

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 400 MSM8926Qualcomm Snapdragon S4 Plus MSM8960Qualcomm Snapdragon S4 Plus MSM8227Qualcomm Snapdragon 636
Process technology28 nm28 nm28 nm14 nm
CPUARM Cortex-A7KraitKrait4x 1.8 GHz Kryo 260, 4x 1.6 GHz Kryo 260
CPU bits32 bit32 bit32 bit64 bit
Instruction setARMv7ARMv7ARMv7ARMv8
Level 0 cache memory (L0)-4 KB + 4 KB4 KB + 4 KB-
Level 1 cache memory (L1)16 KB + 16 KB16 KB + 16 KB16 KB + 16 KB-
Level 2 cache memory (L2)1024 KB
1 MB
1024 KB
1 MB
1024 KB
1 MB
-
CPU cores4228
CPU frequency1200 MHz1500 MHz1000 MHz1800 MHz
GPUQualcomm Adreno 305Qualcomm Adreno 225Qualcomm Adreno 305Qualcomm Adreno 509
GPU cores1-1-
RAM capacity1 GB1 GB512 MB4 GB
6 GB
RAM type-LPDDR2LPDDR2LPDDR4X
RAM channels-Double channelDouble channelDouble channel
RAM frequency-500 MHz-1333 MHz

Storage

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

Storage8 GB16 GB
32 GB
8 GB32 GB
64 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

Display

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

Type/technologyOLEDAMOLEDIPSIPS
Diagonal size4.7 in
119.38 mm
11.94 cm
4.5 in
114.3 mm
11.43 cm
4.3 in
109.22 mm
10.92 cm
5.8 in
147.32 mm
14.73 cm
Width2.3 in
58.53 mm
5.85 cm
2.32 in
58.81 mm
5.88 cm
2.21 in
56.19 mm
5.62 cm
2.48 in
63.07 mm
6.31 cm
Height4.1 in
104.05 mm
10.4 cm
3.86 in
98.01 mm
9.8 cm
3.69 in
93.66 mm
9.37 cm
5.24 in
133.14 mm
13.31 cm
Aspect ratio1.778:1
16:9
1.667:1
5:3
1.667:1
5:3
2.111:1
Resolution720 x 1280 pixels768 x 1280 pixels480 x 800 pixels1080 x 2280 pixels
Pixel density312 ppi
122 ppcm
332 ppi
130 ppcm
217 ppi
85 ppcm
435 ppi
170 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area66.21 %63.49 %61.16 %80.62 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Corning Gorilla Glass 3
ClearBlack display
Corning Gorilla Glass 2
Nokia PureMotion HD+ display
Nokia ClearBlack display
Corning Gorilla Glass 2
Nokia ClearBlack display
Corning Gorilla Glass 3
2.5D curved glass screen
1300:1 contrast ratio
430 cd/m²

Sensors

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

SensorsProximity
Light
Accelerometer
Compass
Proximity
Light
Accelerometer
Compass
Gyroscope
Proximity
Light
Accelerometer
Compass
Gyroscope
Proximity
Light
Accelerometer
Compass
Gyroscope
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 model---Samsung S5K3P9SX
Sensor typeCMOS BSICMOS BSICMOS BSIISOCELL
Sensor size4.23 x 3.17 mm
0.21 in
4.8 x 3.6 mm
0.24 in
4.23 x 3.17 mm
0.21 in
-
Sensor format---1/3.1"
Pixel size1.37 µm
0.001370 mm
1.351 µm
0.001351 mm
1.37 µm
0.001370 mm
1 µm
0.001000 mm
Crop factor8.197.218.19-
ISO100 - 3200100 - 3200--
Aperturef/1.9f/2f/1.9f/2
Shutter speed-4 - 1/16000--
Focal length and 35 mm equivalent3.17 mm
25.95 mm *(35 mm / full frame)
3.61 mm
26.03 mm *(35 mm / full frame)
3.18 mm
25.99 mm *(35 mm / full frame)
3.57 mm
Number of lenses66--
Flash typeLEDDual LEDLEDDual LED
Image resolution3088 x 2144 pixels
6.62 MP
3552 x 2448 pixels
8.7 MP
3087 x 2152 pixels
6.64 MP
4608 x 3456 pixels
15.93 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
1280 x 720 pixels
0.92 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps30 fps30 fps30 fps
FeaturesAutofocus
Digital zoom
Geotagging
Panorama
Touch focus
White balance settings
ISO settings
Scene mode
Autofocus
Continuous autofocus
Digital zoom
Optical image stabilization
Geotagging
Panorama
Touch focus
White balance settings
Exposure compensation
Scene mode
Autofocus
Continuous autofocus
Digital zoom
Geotagging
Panorama
Touch focus
White balance settings
ISO settings
Exposure compensation
Macro 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
Scene mode
Phase detection autofocus (PDAF)
Carl Zeiss lensCarl Zeiss opticsCarl Zeiss opticsSecondary rear camera - 5 MP (monochrome)
Sensor model - Samsung S5K5E9 (#2)
Sensor size - 1/5" (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2)

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---Samsung S5K3P9SX
Sensor type---ISOCELL
Sensor format---1/3.1"
Pixel size---1 µm
0.001000 mm
Aperturef/2.4f/2.4f/2.4f/2
Focal length and 35 mm equivalent24 mm *(35 mm / full frame)--3.52 mm
Image resolution2560 x 1920 pixels
4.92 MP
1280 x 960 pixels
1.23 MP
1280 x 960 pixels
1.23 MP
4608 x 3456 pixels
15.93 MP
Video resolution1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
1920 x 1080 pixels
2.07 MP
Video FPS-30 fps30 fps30 fps
Features---Face unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece

Radio

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

RadioYesYesYesYes
--RDS-

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
Wi-Fi
Cell ID
GPS
A-GPS
GLONASS
Wi-Fi
Cell ID
GPS
A-GPS
S-GPS
GLONASS
Wi-Fi
Cell ID
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
Dual band
Wi-Fi Hotspot
802.11a
802.11b
802.11g
802.11n
Dual band
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
---MU-MiMO

Bluetooth

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

Version4.04.03.05.0
FeaturesA2DP
AVRCP
GATT
HFP
OPP
PAN
PBAP
A2DP
AVRCP
HFP
OPP
PBAP
A2DP
AVRCP
HFP
OPP
PBAP
A2DP

USB

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

Connector typeMicro USBMicro USBMicro USBUSB Type-C
Version2.02.02.02.0
FeaturesCharging
Mass storage
Charging
Mass storage
Charging
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 jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
DLNA
NFC
Computer sync
OTA sync
Tethering
DLNA
NFC
Computer sync
OTA sync
Tethering
DLNA
NFC
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
XML
xHTML
HTML
HTML5
XML
xHTML
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
M4A
MP3
WMA
AMR-NB
3GPP
AAC
AAC+
AMR
AMR-WB
eAAC+
M4A
MP3
WMA
WAV
3GPP
AAC
AAC+
AMR
AMR-WB
eAAC+
M4A
MP3
WMA
AAC
AMR
AMR-WB
eAAC+
FLAC
M4A
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
3GPP2
AVI
Flash Video
H.263
H.264
QuickTime
MP4
MPEG-4
3GPP
AVI
H.263
H.264
QuickTime
MPEG-4
WMV
3GPP
3GPP2
AVI
H.263
H.264
QuickTime
MPEG-4
WMV
3GPP
AVI
H.263
H.264
MKV
MP4
WMV
Xvid

Battery

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

Capacity2220 mAh2000 mAh2000 mAh3060 mAh
TypeLi-IonLi-IonLi-IonLi-Polymer
2G talk time22 h
1320 min
0.9 days
18 h 20 min
18.3 h
1099.8 min
0.8 days
23 h 20 min
23.3 h
1399.8 min
1 days
-
2G stand-by time600 h
36000 min
25 days
432 h
25920 min
18 days
--
3G talk time17 h
1020 min
0.7 days
12 h 40 min
12.7 h
760.2 min
0.5 days
13 h 20 min
13.3 h
799.8 min
0.6 days
-
3G stand-by time600 h
36000 min
25 days
440 h
26400 min
18.3 days
520 h
31200 min
21.7 days
-
Charger output power---5 V / 2 A
Quick charge technology---Qualcomm Quick Charge 3.0
FeaturesRemovableWireless charging
Non-removable
Wireless charging
Non-removable
Fast charging
Non-removable
Battery model: BV-T5ABattery model: BL-4YW
Qi wireless charging
Battery model: BP-4GW
Qi 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)0.5 W/kg---
Body SAR (EU)0.96 W/kg---
Head SAR (USA)1.07 W/kg---
Body SAR (USA)1.34 W/kg---
 Nokia Lumia 730 Dual SIMNokia Lumia 925Nokia Lumia 720Nokia X6