Comparison between:
- Xiaomi Mi 8
- Xiaomi Redmi Note 7

Brand and model

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

Xiaomi Mi 8Xiaomi Redmi Note 7
Xiaomi Mi 8
Prices
Xiaomi Redmi Note 7
Prices
Model aliasMi8Redmi Note7
Red Rice Note 7
Red Rice Note7

Design

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

Width74.8 mm
7.48 cm
0.25 ft
2.94 in
75.21 mm
7.52 cm
0.25 ft
2.96 in
Height154.9 mm
15.49 cm
0.51 ft
6.1 in
159.21 mm
15.92 cm
0.52 ft
6.27 in
Thickness7.6 mm
0.76 cm
0.02 ft
0.3 in
8.1 mm
0.81 cm
0.03 ft
0.32 in
Weight175 g
0.39 lbs
6.17 oz
186 g
0.41 lbs
6.56 oz
Volume88.06 cm³
5.35 in³
96.99 cm³
5.89 in³
ColorsBlack
Blue
White
Gold
Blue
Red
Black
Body materialsAluminium alloy
Glass
Glass
Plastic

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
Number of SIM cards22
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
CDMACDMA 800 MHzCDMA 800 MHz
W-CDMAW-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1700 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
W-CDMA 850 MHz
W-CDMA 900 MHz
W-CDMA 1900 MHz
W-CDMA 2100 MHz
TD-SCDMATD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
TD-SCDMA 1900 MHz
TD-SCDMA 2000 MHz
LTELTE 700 MHz Class 13
LTE 800 MHz
LTE 850 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 (B12)
LTE 850 MHz
LTE 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-TDD 2000 MHz (B34)

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 18
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 18
EV-DO Rev. A
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)MIUI V9.5 (Android 8.1 Oreo)
MIUI V10 (Android 8.1 Oreo)
MIUI V10.2 (Android 9.0 Pie)
MIUI V10.3.2 (Android 9.0 Pie)
MIUI V10.2 (Android 9.0 Pie)

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 845Qualcomm Snapdragon 660 MSM8976 Plus
Process technology10 nm14 nm
CPU4x 2.8 GHz Kryo 385, 4x 1.8 GHz Kryo 3854x 2.2 GHz Kryo 260, 4x 1.84 GHz Kryo 260
CPU bits64 bit64 bit
Instruction setARMv8-AARMv8
Level 1 cache memory (L1)32 KB + 32 KB-
Level 2 cache memory (L2)1536 KB
1.5 MB
-
Level 3 cache memory (L3)2048 KB
2 MB
-
CPU cores88
CPU frequency2800 MHz2200 MHz
GPUQualcomm Adreno 630Qualcomm Adreno 512
GPU frequency710 MHz-
RAM capacity6 GB
8 GB
3 GB
4 GB
6 GB
RAM typeLPDDR4XLPDDR4X
RAM channelsDouble channelDouble channel
RAM frequency1866 MHz1866 MHz

Storage

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

Storage64 GB
128 GB
256 GB
32 GB
64 GB
128 GB
UFS 2.1eMMC 5.1

Memory cards

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

Types-microSD
microSDHC
microSDXC

Display

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

Type/technologySuper AMOLEDIPS
Diagonal size6.21 in
157.73 mm
15.77 cm
6.3 in
160.02 mm
16 cm
Width2.69 in
68.31 mm
6.83 cm
2.64 in
67.06 mm
6.71 cm
Height5.6 in
142.18 mm
14.22 cm
5.72 in
145.29 mm
14.53 cm
Aspect ratio2.081:12.167:1
Resolution1080 x 2248 pixels1080 x 2340 pixels
Pixel density402 ppi
158 ppcm
409 ppi
160 ppcm
Color depth24 bit
16777216 colors
24 bit
16777216 colors
Display area84.09 %81.63 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Display manufacturer - Samsung
Corning Gorilla Glass 5
2.5D curved glass screen
Always-On Display
60000:1 contrast ratio
600 cd/m²
430 cd/m² typical brightness
HDR10
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
Barometer
Fingerprint
Hall
Infrared face recognition sensor
Proximity
Light
Accelerometer
Compass
Gyroscope
Fingerprint
Fingerprint sensor model - Fingerprint Cards FPC1291
Infrared camera - OmniVision OV7251 (1/7.5-inch sensor; 3.0 μm)
Step detector
Step counter
Fingerprint sensor model - Fingerprint Cards FPC1511

Primary camera

The primary camera of the mobile device is usually placed at its back and is used for taking photos and recording videos.

Sensor modelSony IMX363 Exmor RSSamsung S5KGM1
Sensor typeCMOS-
ISO100 - 3200100 - 3200
Aperturef/1.8f/1.79
Focal length4.22 mm4.74 mm
Flash typeDual LEDDual LED
Image resolution4032 x 3024 pixels
12.19 MP
8000 x 6000 pixels
48 MP
Video resolution3840 x 2160 pixels
8.29 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps60 fps
FeaturesAutofocus
Continuous shooting
Digital zoom
Optical 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
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
RAW
Sensor size - 1/2.55"
Pixel size - 1.4 μm
Phase detection with Dual Pixel
4-axis OIS
Focal length (35 mm equivalent) - 21 mm
1080p @ 240 fps
720p @ 960 fps
Secondary rear camera - 12 MP (telephoto)
Sensor model - Samsung S5K3M3 (#2)
Sensor size - 1/3.4" (#2)
Sensor type - ISOCELL (#2)
Pixel size - 1.0 μm (#2)
Aperture size - f/2.4 (#2)
Sensor size - 1/2"
Pixel size - 1.6 μm (4-in-1 pixel binning)
Sensor type - ISOCELL PLUS
Phase detection with Dual Pixel
6-element lens
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)

Secondary camera

Secondary cameras are placed above the screen of the device and are usually used for video calls, gesture recognition, etc.

Sensor modelSamsung S5K3T1OmniVision OV13855
Sensor typeISOCELLPureCel
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/2
Focal length3.58 mm3.86 mm
28.21 mm *(35 mm / full frame)
Image resolution5120 x 3840 pixels
19.66 MP
4224 x 3136 pixels
13.25 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
Video FPS30 fps30 fps
Pixel size - 1.8 μm
Focal length (35 mm equivalent) - 18 mm
Face unlock

Audio

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

SpeakerLoudspeaker
Earpiece
Loudspeaker
Earpiece
Headphone adapterSmart PA

Radio

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

RadioNoYes

Tracking/Positioning

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

Tracking/PositioningA-GPS
GPS (L1+L5)
GLONASS (L1)
BeiDou (B1)
Galileo (E1+E5a)
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-Fi802.11a
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
2x2 MiMO-

Bluetooth

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

Version5.05.0
FeaturesA2DP
LE
A2DP
LE

USB

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

Connector typeUSB Type-CUSB Type-C
Version2.02.0
FeaturesCharging
Host
Mass storage
On-The-Go
Charging
Host
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 jackNoYes

Connectivity

Information about other important connectivity technologies supported by the devices.

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

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

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
Xvid

Battery

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

Capacity3400 mAh4000 mAh
TypeLi-PolymerLi-Polymer
2G talk time-23 h
1380 min
1 days
2G stand-by time-251 h
15060 min
10.5 days
3G talk time-23 h
1380 min
1 days
3G stand-by time-251 h
15060 min
10.5 days
Charger output power5 V / 3 A
9 V / 2 A
12 V / 1.5 A
5 V / 2 A
Quick charge technologyQualcomm Quick Charge 4+Qualcomm Quick Charge 4.0
FeaturesFast charging
Non-removable
Fast charging
Non-removable
Battery model: BM3E-

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)0.701 W/kg0.591 W/kg
Body SAR (EU)1.662 W/kg1.274 W/kg
Head SAR (USA)1.01 W/kg1.19 W/kg
Body SAR (USA)1.32 W/kg1.18 W/kg
 Xiaomi Mi 8Xiaomi Redmi Note 7