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Redmi Note 8 vs OPPO A9

Key Feature Comparison

7.1

Redmi Note 8

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At a Glance

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Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 665, Adreno 610

Octa core (2.1 GHz, Quad core, Cortex A73 + 2 GHz, Quad core, Cortex A53)

MediaTek Helio P70, Mali-G72 MP3

4000 mAh

Li-Polymer, Fast, 18W

4020 mAh

Li-ion, Fast

16.00 cm (6.3 inch)

409 ppi, FHD

16.59 cm (6.53 inch)

395 ppi, FHD

Quad, 48MP + 8MP + 2MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps

Dual, 16MP + 2MP

1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM, Dual VoLTE

Detailed Specs

Screen Size

16.00 cm (6.3 inch)
16.59 cm (6.53 inch)

Screen Type

IPS LCD
IPS LCD

Screen Resolution

1080 x 2340 pixels
1080 x 2340 pixels

Pixel Density

409 ppi
395 ppi

Aspect Ratio

19.5:9
19.5:9

Screen Protection

Gorilla Glass 5
Gorilla Glass 5

Screen to Body Ratio

90%
90.70%

Screen Design

Waterdrop notch
Waterdrop notch

Screen Quality

FHD
FHD

Phone Variants

4GB 64GB, 3GB 32GB, 6GB 128GB
4GB 128GB

Expandable Storage

Yes
Yes

RAM Type

LPDDR4X
LPDDR4X

Storage Type

eMMC 5.1
eMMC 5.1

Expandable Storage Capacity

Yes, 512 GB
Yes, 256 GB

OTG Support

Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)

GPU

Adreno 610
Mali-G72 MP3

Chipset

Qualcomm Snapdragon 665
MediaTek Helio P70

CPU

Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Octa core (2.1 GHz, Quad core, Cortex A73 + 2 GHz, Quad core, Cortex A53)

Custom User Interface

MIUI
ColorOS

Clock Speed

2 GHz
2.1 GHz

Architecture

64 bit
64 bit

Process Technology

11 nm
12 nm

Battery Capacity

4000 mAh
4020 mAh

Battery Removable

No
No

Battery Type

Li-Polymer
Li-ion

Charger Type

Fast, 18W
Fast

USB Type-C

Yes
No

Fast Charging

Yes
Yes

Announced On

5-Aug-19
5-Apr-19

Market Status

Available
Available

Brand

Xiaomi
OPPO

Model Number

MZB8189IN
CPH1938

Price Status

Confirmed
Confirmed

Price

Rs. 12,499
Rs. 15,398

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass

Network Support

4G
4G

Bluetooth

Yes
Yes

FM Radio

Yes
-

3.5mm Audio Jack

Yes
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano (Hybrid)

Wi-Fi

Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, b/g/n

Bluetooth Type

v5.0
v4.2

Audio Jack

3.5 mm
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM, Dual VoLTE

eSIM

No
No

Wi-Fi Features

Wi-Fi Direct, Mobile Hotspot
Mobile Hotspot

VoLTE

Yes
Yes

SIM 1 Bands

4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

SIM 2 Bands

4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...

Audio Features

-
Active noise cancellation with dedicated mic

NFC

-
No

Front Video Recording

1920x1080 @ 30 fps
1920x1080 @ 30 fps

Front Camera Features

HDR, panorama
HDR

Front Camera Setup

Single, 13MP
Single, 16MP

Front Camera 1 Resolution

13 MP
16 MP

Front Camera 1 Type

f/2.0 Primary Camera
f/2.0 Primary Camera

Front Camera 1 Lens

1.12 micrometre pixel size
3.1" sensor size, 1 micrometre pixel size

Front Aperture

f/2.0
f/2.0

Weight

188 grams
190 grams

Colors

Nepture Blue, Moonlight White, Cosmic Purple, Space Black
Marble Green, Fluorite Purple

Build

Back: Gorilla Glass
Back: Plastic

Dimensions

158.3 x 75.3 x 8.3 mm
162 x 76.1 x 8.3 mm

SAR Value

Head: 1.13 W/kg, Body: 0.634 W/kg
-

OIS

No
-

Rear Flash

Yes, Dual LED Flash
Yes, LED Flash

Rear Video Recording

3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 120 fps
1920x1080 @ 30 fps

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 48MP + 8MP + 2MP + 2MP
Dual, 16MP + 2MP

Rear Camera 1 Resolution

48 MP
16 MP

Rear Camera 1 Type

f/1.79 Primary Camera
f/1.8 Primary Camera

Rear Camera 1 Lens

2" sensor size, 0.8 micrometre pixel size
2.8" sensor size, 1.12 micrometre pixel size

Rear Camera 2 Resolution

8 MP
2 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.4, Depth Camera

Rear Camera 2 Lens

4.0" sensor size, 1.12 micrometre pixel size
1.75 micrometre pixel size

Rear Camera 3 Resolution

2 MP
-

Rear Camera 3 Type

f/2.4, Macro Camera
-

Rear Camera 3 Lens

5.0" sensor size, 1.75 micrometre pixel size
-

Rear Camera 4 Resolution

2 MP
-

Rear Camera 4 Type

f/2.4, Depth Camera
-

Rear Camera 4 Lens

5.0" sensor size, 1.75 micrometre pixel size
-

Rear Sensor

ISOCELL Plus
CMOS image sensor

Rear Aperture

f/1.79
f/1.8

Fingerprint Scanner

Yes
Yes

Fingerprint Scanner Position

Rear
Rear

Face Unlock

Yes
Yes
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