Comparison between:
- Asus ZenFone Max Pro (M2)
- Xiaomi Redmi Note 7
- BLU R2 LTE

Brand and model

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

Asus ZenFone Max Pro (M2)Xiaomi Redmi Note 7BLU R2 LTE
Asus ZenFone Max Pro (M2)
Prices
Xiaomi Redmi Note 7
Prices
BLU R2 LTE
Model aliasZB630KL
ZB631KL
Redmi Note7
Red Rice Note 7
Red Rice Note7
R2 4G
R0150EE
R0170WW

Design

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

Width75.5 mm
7.55 cm
0.248 ft
2.972 in
75.21 mm
7.521 cm
0.247 ft
2.961 in
74.3 mm
7.43 cm
0.244 ft
2.925 in
Height157.9 mm
15.79 cm
0.518 ft
6.217 in
159.21 mm
15.921 cm
0.522 ft
6.268 in
150.3 mm
15.03 cm
0.493 ft
5.917 in
Thickness8.5 mm
0.85 cm
0.028 ft
0.335 in
8.1 mm
0.81 cm
0.027 ft
0.319 in
9.6 mm
0.96 cm
0.031 ft
0.378 in
Weight175 g
0.39 lbs
6.17 oz
186 g
0.41 lbs
6.56 oz
156 g
0.34 lbs
5.5 oz
Volume101.33 cm³
6.15 in³
96.99 cm³
5.89 in³
107.21 cm³
6.51 in³
ColorsBlue
Gray
Blue
Red
Black
Gold
Silver
Rose-gold
Black
Body materialsPlasticGlass
Plastic
Plastic
Aluminium alloy

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-SIM
Nano-SIM / microSD
Micro-SIM
Number of SIM cards222
FeaturesDual 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 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMA-CDMA 800 MHz-
W-CDMA-W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
-
TD-SCDMA-TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
-
UMTSUMTS 850 MHz
UMTS 900 MHz
UMTS 2100 MHz
-UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE 800 MHz
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 2300 MHz (B40)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 850 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 1800 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE 800 MHz (R0150EE)
LTE 1900 MHz (R0170WW)
LTE 1700/2100 MHz (R0170WW)
LTE 700 MHz (B12) (R0170WW)
LTE 700 MHz Class 17 (R0170WW)
LTE 700 MHz (B28) (R0170WW)

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 18
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
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)Android 8.1 Oreo
Android 9.0 Pie
MIUI V10.2 (Android 9.0 Pie)Android 7.0 Nougat

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 660 MSM8976 PlusQualcomm Snapdragon 660 MSM8976 PlusMediaTek MT6737
Process technology14 nm14 nm28 nm
CPU4x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 2604x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 260ARM Cortex-A53
CPU bits64 bit64 bit64 bit
Instruction setARMv8ARMv8ARMv8-A
Level 1 cache memory (L1)--32 KB + 32 KB
Level 2 cache memory (L2)--512 KB
0.5 MB
CPU cores884
CPU frequency2200 MHz2200 MHz1300 MHz
GPUQualcomm Adreno 512Qualcomm Adreno 512ARM Mali-T720 MP1
GPU cores--1
GPU frequency--600 MHz
RAM capacity3 GB
4 GB
6 GB
3 GB
4 GB
6 GB
2 GB
3 GB
RAM typeLPDDR4XLPDDR4XLPDDR3
RAM channelsDouble channelDouble channelSingle channel
RAM frequency1866 MHz1866 MHz640 MHz

Storage

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

Storage32 GB
64 GB
128 GB
32 GB
64 GB
128 GB
16 GB
32 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/technologyIPSIPSIPS
Diagonal size6.3 in
160.02 mm
16 cm
6.3 in
160.02 mm
16 cm
5.2 in
132.08 mm
13.21 cm
Width2.7 in
68.5 mm
6.85 cm
2.64 in
67.06 mm
6.71 cm
2.55 in
64.75 mm
6.48 cm
Height5.69 in
144.62 mm
14.46 cm
5.72 in
145.29 mm
14.53 cm
4.53 in
115.12 mm
11.51 cm
Aspect ratio2.111:12.167:11.778:1
16:9
Resolution1080 x 2280 pixels1080 x 2340 pixels720 x 1280 pixels
Pixel density400 ppi
157 ppcm
409 ppi
160 ppcm
282 ppi
110 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area83.37 %81.63 %66.97 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Corning Gorilla Glass 6
2.5D curved glass screen
1500:1 contrast ratio
450 cd/m²
94% NTSC
Bluelight Filter
Display manufacturer - Tianma
Corning Gorilla Glass 5
2.5D curved glass screen
LTPS (Low Temperature PolySilicon)
1500:1 contrast ratio
450 cd/m²
84% NTSC
-

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
Fingerprint
Proximity
Light
Accelerometer
Fingerprint
-Fingerprint sensor model - Fingerprint Cards FPC1511-

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 modelSony IMX486 Exmor RSSamsung S5KGM1-
Sensor typeCMOS-CMOS
Sensor format1/2.9"1/2"-
Pixel size1.25 µm
0.001250 mm
0.8 µm
0.000800 mm
-
ISO-100 - 3200-
Aperturef/1.8f/1.79f/2
Focal length and 35 mm equivalent3.52 mm
27 mm *(35 mm / full frame)
4.74 mm-
Number of lenses66-
Flash typeLEDDual LEDDual LED
Image resolution4000 x 3000 pixels
12 MP
8000 x 6000 pixels
48 MP
4160 x 3120 pixels
12.98 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
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)
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)
RAW
Autofocus
Continuous shooting
Digital zoom
Geotagging
Panorama
HDR
Touch focus
Face detection
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Secondary rear camera - 5 MP
Pixel size - 1.12 μm (#2)
Aperture size - f/2.4 (#2)
Angle of view - 84° (#2)
Pixel size - 1.6 μm (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Phase detection with Dual Pixel
1080p @ 120 fps
720p @ 120 fps
Secondary rear camera - 5 MP
Sensor model - Samsung S5K5E8 (#2)
Sensor type - CMOS BSI (#2)
Sensor size - 2.9 x 2.15 mm (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.0 (#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-OmniVision OV13855-
Sensor type-PureCel-
Sensor size-4.75 x 3.54 mm
0.23 in
-
Pixel size-1.124 µm
0.001124 mm
-
Crop factor-7.31-
Aperturef/2f/2f/2
Focal length and 35 mm equivalent26 mm *(35 mm / full frame)3.86 mm
28.21 mm *(35 mm / full frame)
-
Auxiliary lightLED-Dual LED
Image resolution4160 x 3120 pixels
12.98 MP
4224 x 3136 pixels
13.25 MP
4160 x 3120 pixels
12.98 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
640 x 480 pixels
0.31 MP
Video FPS30 fps30 fps30 fps
FeaturesFace unlockFace unlock-

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Loudspeaker
Earpiece
192 kHz / 24-bit
NXP 9874 Smart PA
Smart PA-

Radio

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

RadioYesYesYes

Tracking/Positioning

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

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

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
Wi-Fi Direct
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11b
802.11g
802.11n
Wi-Fi Hotspot

Bluetooth

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

Version5.05.04.0
FeaturesA2DP
AVRCP
EDR
GAP
HDP
HFP
HSP
MAP
OPP
PBAP
A2DP
LE
A2DP

USB

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

Connector typeMicro USBUSB Type-CMicro USB
Version2.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Host
Mass storage
On-The-Go
Charging
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 jackYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Tethering
NFC
VoLTE
Computer sync
OTA sync
Infrared
Tethering
VoLTE
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
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
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
MKV
QuickTime
MP4
WebM
WMV
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
3GPP
AVI
H.263
H.264
MP4
Xvid

Battery

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

Capacity5000 mAh4000 mAh3000 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
2G talk time45 h
2700 min
1.9 days
23 h
1380 min
1 days
-
2G stand-by time840 h
50400 min
35 days
251 h
15060 min
10.5 days
-
3G talk time45 h
2700 min
1.9 days
23 h
1380 min
1 days
-
3G stand-by time840 h
50400 min
35 days
251 h
15060 min
10.5 days
-
4G stand-by time840 h
50400 min
35 days
--
Charger output power5 V / 2 A5 V / 2 A-
Quick charge technology-Qualcomm Quick Charge 4.0-
FeaturesNon-removableFast charging
Non-removable
Non-removable

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)0.347 W/kg0.591 W/kg-
Body SAR (EU)1.46 W/kg1.274 W/kg-
Head SAR (USA)-1.19 W/kg0.87 W/kg
Body SAR (USA)-1.18 W/kg1.07 W/kg

Additional features

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

Additional featuresSAR (Specific Absorption Rate) India: head - 0.619 W/kg; body - 0.445 W/kg--
 Asus ZenFone Max Pro (M2)Xiaomi Redmi Note 7BLU R2 LTE