Comparison between:
- Xiaomi Redmi Note 9
- Xiaomi Redmi Note 9 Pro 5G
- Huawei Ascend Y550
- Huawei Ascend G500

Brand and model

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

Xiaomi Redmi Note 9Xiaomi Redmi Note 9 Pro 5GHuawei Ascend Y550Huawei Ascend G500
Xiaomi Redmi Note 9
Prices
Xiaomi Redmi Note 9 Pro 5GHuawei Ascend Y550Huawei Ascend G500
Model aliasRedmi Note9
M2003J15SC
M2003J15SS
M2003J15SI
Redmi Note9 Pro 5G
M2007J17C
-U8836D

Design

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

Width77.2 mm
7.72 cm
0.253 ft
3.039 in
76.8 mm
7.68 cm
0.252 ft
3.024 in
68 mm
6.8 cm
0.223 ft
2.677 in
65 mm
6.5 cm
0.213 ft
2.559 in
Height162.3 mm
16.23 cm
0.532 ft
6.39 in
165.38 mm
16.538 cm
0.543 ft
6.511 in
133 mm
13.3 cm
0.436 ft
5.236 in
130 mm
13 cm
0.427 ft
5.118 in
Thickness8.9 mm
0.89 cm
0.029 ft
0.35 in
9 mm
0.9 cm
0.03 ft
0.354 in
9.5 mm
0.95 cm
0.031 ft
0.374 in
11 mm
1.1 cm
0.036 ft
0.433 in
Weight199 g
0.44 lbs
7.02 oz
215 g
0.47 lbs
7.58 oz
153 g
0.34 lbs
5.4 oz
156 g
0.34 lbs
5.5 oz
Volume111.51 cm³
6.77 in³
114.31 cm³
6.94 in³
85.92 cm³
5.22 in³
92.95 cm³
5.64 in³
ColorsBlue
Black
White
Pink
Red
Green
Autumn in the Lake
Blue Sea and Stars
Silent Starry Sky
White
Gray
Red
Blue
-
Body materialsGlass
Plastic
Glass
Plastic
Plastic-
Certification-IP53--

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-SIMMicro-SIMMini-SIM
Number of SIM cards2212
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 (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMACDMA 800 MHz (BC0)CDMA 800 MHz (BC0)--
W-CDMAW-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
W-CDMA 850 MHz (B5)
W-CDMA 900 MHz (B8)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
--
UMTS--UMTS 850 MHz
UMTS 900 MHz
UMTS 1900 MHz
UMTS 2100 MHz
UMTS 900 MHz
UMTS 2100 MHz
LTELTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
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 800 MHz
LTE 900 MHz
LTE 1800 MHz
LTE 2100 MHz
-
5G NR-5G-FDD 1800 MHz (n3)
5G-FDD 2100 MHz (n1)
5G-TDD 2500 MHz (n41)
5G-TDD 3500 MHz (n78)
5G-TDD 4700 MHz (n79)
--

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 12
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
5G SA
5G NSA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 4
UMTS
EDGE
GPRS
HSPA
-4x4 MIMO
HPUE
HO RxD
--

Operating system

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

Operating system (OS)MIUI V11 (Android 10)
MIUI V12 (Android 11)
MIUI V12 (Android 10)Android 4.4.2 KitKatAndroid 4.0.4 Ice Cream Sandwich
User interface (UI)--Emotion 2.3-

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 Helio G85 (MT6769Z)Qualcomm Snapdragon 750G (SM7225)Qualcomm Snapdragon 410 (MSM8916)MediaTek MT6577
Process technology12 nm8 nm28 nm40 nm
CPU2x 2.0 GHz ARM Cortex-A75, 6x 1.8 GHz ARM Cortex-A552x 2.4 GHz ARM Cortex-A77, 6x 1.8 GHz ARM Cortex-A55 (Kryo 570)4x 1.2 GHz ARM Cortex-A532x 1.0 GHz ARM Cortex-A9
CPU bits64 bit64 bit64 bit32 bit
Instruction setARMv8.2-AARMv8.2-AARMv8-AARMv7-A
Level 0 cache memory (L0)--4 KB + 4 KB-
Level 1 cache memory (L1)--16 KB + 16 KB32 KB + 32 KB
Level 2 cache memory (L2)--2048 KB
2 MB
1024 KB
1 MB
CPU cores8842
CPU frequency2000 MHz2200 MHz1200 MHz1000 MHz
GPUARM Mali-G52 2EEMC2Qualcomm Adreno 619Qualcomm Adreno 306IMG PowerVR SGX531 Ultra
GPU cores2---
GPU frequency1000 MHz800 MHz400 MHz522 MHz
RAM capacity3 GB
4 GB
6 GB
8 GB
1 GB1 GB
RAM typeLPDDR4XLPDDR4XLPDDR2/LPDDR3LPDDR2
RAM channelsDouble channelDouble channelSingle channelSingle channel
RAM frequency1800 MHz2133 MHz533 MHz533 MHz
-Three-dimensional liquid cooling
11 temperature sensors
--

Storage

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

Storage64 GB
128 GB
128 GB
256 GB
4 GB4 GB
eMMC 5.1UFS 2.2--

Memory cards

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

TypesmicroSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC
microSD
microSDHC
microSD
microSDHC

Display

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

Type/technologyIPSIPSIPSIPS
Diagonal size6.53 in
165.86 mm
16.59 cm
6.67 in
169.42 mm
16.94 cm
4.5 in
114.3 mm
11.43 cm
4.3 in
109.22 mm
10.92 cm
Width2.74 in
69.51 mm
6.95 cm
2.74 in
69.52 mm
6.95 cm
2.2 in
56 mm
5.6 cm
2.11 in
53.55 mm
5.35 cm
Height5.93 in
150.6 mm
15.06 cm
6.08 in
154.5 mm
15.45 cm
3.92 in
99.64 mm
9.96 cm
3.75 in
95.19 mm
9.52 cm
Aspect ratio2.167:12.222:11.779:11.778:1
16:9
Resolution1080 x 2340 pixels1080 x 2400 pixels480 x 854 pixels540 x 960 pixels
Pixel density395 ppi
155 ppcm
395 ppi
155 ppcm
218 ppi
85 ppcm
256 ppi
100 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
24 bit
16777216 colors
Display area83.81 %84.84 %61.9 %60.52 %
Other featuresCapacitive
Scratch resistant
Capacitive
Scratch resistant
Capacitive
Multi-touch
Capacitive
Multi-touch
Scratch resistant
2.5D curved glass screen
Corning Gorilla Glass 5
DotDisplay
Oleophobic coating
TÜV Rheinland Low Blue Light Certification
84% NTSC
1500:1
2.5D curved glass screen
Corning Gorilla Glass 5
120 Hz refresh rate
240 Hz touch sampling rate
450 cd/m²
TÜV Rheinland Low Blue Light Certification
-Corning Gorilla Glass

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
Proximity
Light
Accelerometer
-Ultrasonic Distance Sensor
Linear Motor for notification lights
--

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 modelSamsung S5KGM1---
Sensor typeCMOSCMOS--
Sensor format1/2.25"1/1.52"--
Pixel size0.8 µm
0.000800 mm
---
Aperturef/1.79f/1.75--
Number of lenses67--
Flash typeLEDDual LEDLEDLED
Image resolution8000 x 6000 pixels
48 MP
108 MP2592 x 1944 pixels
5.04 MP
2592 x 1944 pixels
5.04 MP
Video resolution3840 x 2160 pixels
8.29 MP
3840 x 2160 pixels
8.29 MP
1280 x 720 pixels
0.92 MP
1280 x 720 pixels
0.92 MP
Video FPS30 fps30 fps30 fps-
FeaturesAutofocus
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
Phase detection autofocus (PDAF)
Autofocus
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
Phase detection autofocus (PDAF)
Super Night View 2.0
Movie Frame
Video Tag
Cinematic Filters
Photo Movie
Autofocus
Digital zoom
Geotagging
Panorama
Touch focus
Face detection
-
Sony IMX582 versions also available
Pixel size - 1.6 μm (4-in-1 pixel binning)
Secondary rear camera - 8 MP (ultra-wide)
Sensor model - OmniVision OV8856 (#2)
GalaxyCore GC8034 version also available(#2)
Sensor size - 1/4" (#2)
Pixel size - 1.12 μm (#2)
Aperture size - f/2.2 (#2)
Angle of view - 118° (#2)
Focal length (35 mm equivalent) - 13 mm (#2)
Third rear camera - 2MP (depth-sensing)
Sensor model - GalaxyCore GC02M1 (#3)
Sensor size - 1/5" (#3)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3)
Fourth rear camera - 2MP (macro)
Pixel size - 1.12 μm (#4)
2 cm shooting distance (#4)
Pixel size - 2.1 μm (9-in-1 pixel binning)
1080p @ 60 fps
Secondary rear camera - 8 MP (ultra-wide-angle)
Angle of view - 120° (#2)
Aperture size - f/2.2 (#2)
Third rear camera - 2 MP (macro)
Pixel size - 1.75 μm (#3)
Aperture size - f/2.4 (#3)
Fourth rear camera - 2 MP (depth-sensing)
Pixel size - 1.75 μm (#4)
Aperture size - f/2.4 (#4)
--

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 modelOmniVision OV13B10---
Aperturef/2f/2--
Image resolution4160 x 3120 pixels
12.98 MP
4608 x 3456 pixels
15.93 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 fps--
FeaturesFace unlock
HDR
Face detection
Face unlock
HDR
Face detection
Digital image stabilization
--
--2 MP-

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Loudspeaker
Smart PA
Dual microphones with active noise cancellation
1216 linear speaker
Vibration motor
Smart PA
Dual microphones with active noise cancellation
1216 linear speakers
Vibration motor
Hi-Res Audio
--

Radio

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

RadioYesYesYesYes

Tracking/Positioning

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

Tracking/PositioningGPS
A-GPS
GLONASS
Galileo
NavIC
Beidou
A-GPS
GPS (L1+L5)
GLONASS (G1)
Galileo (E1+E5a)
Beidou (B1l+b2a)
QZSS (L1+L5)
GPS
A-GPS
GLONASS
GPS
A-GPS

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
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
802.11b
802.11g
802.11n
Wi-Fi Hotspot
-2x2 MIMO
8x8 surrounding for MU-MIMO
--

Bluetooth

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

Version5.05.14.0-
FeaturesA2DP
EDR
HID
LE
A2DP
EDR
HID
LE
A2DP
EDR
LE
A2DP
EDR

USB

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

Connector typeUSB Type-CUSB Type-CMicro USBMicro USB
Version2.02.02.02.0
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
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 jackYesYesYesYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
Infrared
Tethering
NFC
VoLTE
ViLTE
VoWiFi
Computer sync
OTA sync
Infrared
Tethering
NFC
VoLTE
ViLTE
VoWiFi
Computer sync
OTA sync
Tethering
DLNA
NFC
Computer sync
OTA sync
Tethering
DLNA

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
HTML

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
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AAC
AAC+
AMR
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
LDAC
AMR-NB
AAC
AMR
eAAC+
MIDI
MP3
OGG
WMA
WAV
eAAC+
MP3
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
H.263
H.264
H.265
MKV
MP4
VC-1
Xvid
3GPP
AVI
DivX
H.263
H.264
H.265
MKV
MP4
VC-1
WMV
Xvid
WEBM
3GP
ASF
MOV
TS
3GPP
AVI
H.263
H.264
MP4
Xvid
H.263
H.264
MPEG-4

Battery

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

Capacity5020 mAh4820 mAh2000 mAh1930 mAh
TypeLi-IonLi-IonLi-IonLi-Polymer
2G talk time--8 h
480 min
0.3 days
-
3G talk time--8 h
480 min
0.3 days
-
Charger output power5 V / 3 A
9 V / 2.23 A
12 V / 1.67 A
10 V / 2.25 A
11 V / 3 A5 V / 1 A-
FeaturesFast charging
Non-removable
Fast charging
Non-removable
RemovableRemovable
9W wired reverse 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)0.795 W/kg-0.477 W/kg-
Body SAR (EU)1.138 W/kg-0.917 W/kg-
Head SAR (USA)0.84 W/kg-0.553 W/kg-
Body SAR (USA)0.9 W/kg-0.742 W/kg-
Head SAR (India)0.853 W/kg---
Body SAR (India)0.433 W/kg---

Additional features

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

Additional featuresP2i splash-proof nano-coatingP2i splash-proof nano-coating--
 Xiaomi Redmi Note 9Xiaomi Redmi Note 9 Pro 5GHuawei Ascend Y550Huawei Ascend G500