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Oppo R819 vs Xiaomi Redmi Note 9 (64GB/4GB)

Side by side comparison between Oppo R819 vs Xiaomi Redmi Note 9 phones, differences, pros, cons and full specifications. What's the better?

,
4.7"
IPS

720x1280

8
MP

2mp

1GB
RAM

Quad-core

2000
mAh

(Removable)

vs
22Points Xiaomi Redmi Note 9 (64GB/4GB) Compare Oppo R819 X
6.53"
IPS

1080x2340

48
MP

13mp

4GB
RAM

Octa-core

5020
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 9 (64GB/4GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

R819} 4 Advantages Oppo R819 vs Redmi Note 9 (64GB/4GB)} 22 Advantages Xiaomi Redmi Note 9 (64GB/4GB)
+110 grams (3.85 ounces)81%
Lighter
vs199 grams (6.97 ounces)
+7.3 millimeters (0.29 inches)22%
Thinner
vs8.9 millimeters (0.35 inches)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
1.2GHz 32bit Quad-corevs+2GHz 64bit Octa-core (12nm)138%
More powerful processor, you can open your applications faster
1GB LPDDR2vs+4GB LPDDR4X3 times
More RAM memory. Typically more responsive and better for multitasking.
16GBvs+64GB (50GB available)2 times
More internal storage for applications and files
Not supportedvs+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
720x1280 pixelsvs+1080x2340 pixels174%
Higher resolution screen
312 PPIvs+395 PPI27%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.7"vs+6.53"39%
Larger screen
(back) 8MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP7 times
Higher resolution main camera
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 2MPvs+(front) 13MP6 times
Higher resolution secondary camera to take pictures and selfies
(front) HD (1280x720)vs+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
Android 4.2.1 Jelly Beanvs+Android 11Advantage
Android 11 is newer and safer
3G+ HSPA+vs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G+ HSPA+) 21 Mbpsvs+(4G LTE-A) 300 Mbps13 times
Faster for surfing the internet and download files
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
2000 mAhvs+5020 mAh151%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
3.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+Water repellent nano-coating (don't immerse)Advantage
Protection against water allows you talk to your friends in the rain, for example

24 Common items in both devices
TFT IPS LCD
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
BSI sensor
Full HD (1920x1080)
+17 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Oppo R819Redmi Note 9 (64GB/4GB)
Change model 
ModelOppo R819Redmi Note 9 (64GB/4GB)
Other model namesOppo R819 Dual-sim, Oppo Real R819, Oppo Find MirrorMi Redmi Note 9 M2003J15SS
Country or region availablefeature not registeredIndia
India
BrandOppoXiaomi
Release date9/1/20135/12/2020, Announced: 4/30/2020
Depth7.3 millimeters (0.29 inches)8.9 millimeters (0.35 inches)
Size (width x height)68 x 136.5 millimeters (2.68 x 5.37 in)77.2 x 162.3 millimeters (3.04 x 6.39 in)
Weight110 grams (3.85 ounces)199 grams (6.97 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedWater repellent nano-coating (don't immerse)

📲 Display

Oppo R819Redmi Note 9 (64GB/4GB)
Display typeTFT IPS LCDTFT IPS LCD
Screen size4.7" inches6.53" inches
Screen-to-body ratio~65.6% (screen-to-body ratio)~83.5% (screen-to-body ratio)
Display resolution720x1280 pixels1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)312 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 5
Refresh ratefeature not registered60Hz
Display featuresfeature not registered450nits[typ]

🤖 Operating System

Oppo R819Redmi Note 9 (64GB/4GB)
System versionAndroid 4.2.1 Jelly BeanAndroid 10
Firmware updatefeature not registeredAndroid 11
User Interfacefeature not registeredMIUI 11 / 12

⚙️ Processor

Oppo R819Redmi Note 9 (64GB/4GB)
Chipset32bit: MediaTek MT658964bit: MediaTek Helio G85 (12nm)
CPUQuad-core, 1 processor:
4x 1.2GHz ARM Cortex-A7 (Quad-core)
Octa-core, 2 processors:
2x 2GHz ARM-Cortex-A75 (Dual-core)
6x 1.8GHz ARM-Cortex-A55 (Hexa-core)
GPU graphical controllerPowerVR SGX544ARM Mali-G52 MC2 (1GHz)
Performance (benchmark)feature not registeredAnTuTu: 200451 (v8)
Geekbench: 1292 (v5.1)

💽 Memory and storage

Oppo R819Redmi Note 9 (64GB/4GB)
RAM memory1GB LPDDR24GB LPDDR4X
Internal storage16GB64GB (50GB available)
eMMC 5.1
External storageNot supportedUntil 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Oppo R819Redmi Note 9 (64GB/4GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload21/5.76 Mbps300/150 Mbps
Network technology2G, 3G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Oppo R819Redmi Note 9 (64GB/4GB)
Back camera (main camera)8 megapixels(quad camera)
48 megapixels
8MP ultrawide f/2.213mm1/4"1.12µm118°
2MP macro f/2.41.75µmAF
2MP depth f/2.41/5"1.7µm
Main camera resolution3264x2448 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080)Full HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/2" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Oppo R819Redmi Note 9 (64GB/4GB)
Front camera (secondary)2 megapixels13 megapixels
Front camera resolution1600x1200 pixels4128x3096 pixels
Video recording (secondary)HD (1280x720)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.3 (aperture)
Focal lengthfeature not registered29mm (lens)
Sensor sizefeature not registered1/3.06" inches
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

Oppo R819Redmi Note 9 (64GB/4GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Oppo R819Redmi Note 9 (64GB/4GB)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth3.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedNot supported
Infrared portfeature not registeredSupported

🧭 Sensors

Oppo R819Redmi Note 9 (64GB/4GB)
SensorsAccelerometer
Ambient light sensor
Compass
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Oppo R819Redmi Note 9 (64GB/4GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity2000 mAh5020 mAh
Charger, wattsWired charging18W Wired fast charging
9W Reverse charging by cable
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy18 hours33 hours (1.4 days)
Standbyfeature not registeredfeature not registered

➕ Other features

Oppo R819Redmi Note 9 (64GB/4GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: White
• Sony Exmor BSI sensor
• Java framework
• Colors: Forest Green, Midnight Grey, Polar White
• 22.5W charger (18W phone support)

☢️ Radiation rate

Oppo R819Redmi Note 9 (64GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.84W/kg (head), 0.9W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.8W/kg (head), 1.14W/kg (body)
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