Skip to content

OnePlus 9 Pro UW (128GB) vs Xiaomi Mi 9 (128GB/6GB)

Side by side comparison between OnePlus 9 Pro vs Xiaomi Mi 9 phones, differences, pros, cons and full specifications. What's the better?

,
Compare Xiaomi Mi 9 X OnePlus 9 Pro UW (128GB) 20Points
6.7"
AMOLED

1440x3216

48
MP

16mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

vs
05Points Xiaomi Mi 9 (128GB/6GB) Compare OnePlus 9 Pro X
6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? OnePlus 9 Pro UW (128GB)

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!

9 Pro UW (128GB)} 20 Advantages OnePlus 9 Pro UW (128GB) vs Mi 9 (128GB/6GB)} 5 Advantages Xiaomi Mi 9 (128GB/6GB)
+2.84GHz 64bit Octa-core (5nm)10%
More powerful processor, you can open your applications faster
vs2.84GHz 64bit Octa-core (7nm)
+8GB LPDDR533%
More RAM memory. Typically more responsive and better for multitasking.
vs6GB LPDDR4X
+UFS 3.1Advantage
Fastest write and read storage.
vsUFS 2.1
+1 billion62 times
More colors on the screen is better quality images and videos
vs16 million
+1440x3216 pixels83%
Higher resolution screen
vs1080x2340 pixels
+526 PPI31%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs403 PPI
+6.7"5%
Larger screen
vs6.39"
+(quad camera) 48MP + 8MP + 50MP + 2MP42%
Higher resolution main camera
vs(triple camera) 48MP + 16MP + 12MP
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+1/1.43" inches40%
The larger sensor camera lets you take photos with better depth.
vs1/2" inches
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+Android 13Advantage
Android 13 is newer and safer
vsAndroid 10
+5G Sub6Advantage
The 5G Sub6 network is newer and faster
vs4G LTE-A
+(5G Sub6) 5000 Mbps4 times
Faster for surfing the internet and download files
vs(4G LTE-A) 1024 Mbps
+4500 mAh36%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3300 mAh
+65W141%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
vs27W
+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
vs802.11 a/b/g/n/ac [wifi5]
+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
vs5.0 + A2DP/LE
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
197 grams (6.9 ounces)vs+173 grams (6.06 ounces)14%
Lighter
8.7 millimeters (0.34 inches)vs+7.61 millimeters (0.3 inches)14%
Thinner
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
(front) 16MPvs+(front) 20MP25%
Higher resolution secondary camera to take pictures and selfies
1 slot (Single-SIM)vs+2 slots (Dual-SIM)Advantage
You can have more mobile carriers/operators on the same device.

25 Common items in both devices
128GB (101GB available) / 128GB (109GB available)
Aluminum frame, glass front/back
Fluid AMOLED / Super AMOLED
Dual-LED flash
LDAF/PDAF: laser/phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
f/1.8 (aperture)
+18 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

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
ModelOnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
Other model namesOnePlus 9 Pro 5G LE2121 (T-Mobile) UltraWideband小米9, Xiaomi Mi9 (6GB RAM), M1902F1A, M1902F1G, M1902F1T
Country or region availableUSA
USA
China(Global, International)
China, (Global, International)
BrandOnePlusXiaomi
Release date3/30/2021, Announced: 3/23/20213/1/2019
Depth8.7 millimeters (0.34 inches)7.61 millimeters (0.3 inches)
Size (width x height)73.6 x 163.2 millimeters (2.9 x 6.43 in)74.67 x 157.5 millimeters (2.94 x 6.2 in)
Weight197 grams (6.9 ounces)173 grams (6.06 ounces)
Build, materialsAluminum frame, glass front/backAluminum frame, glass front/back
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
Display typeFluid AMOLEDSuper AMOLED
Screen size6.7" inches6.39" inches
Screen-to-body ratio~89.9% (screen-to-body ratio)~85.2% (screen-to-body ratio)
Display resolution1440x3216 pixels (20:9)1080x2340 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)526 PPI403 PPI
Colors1 billion16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass 6
Refresh rate120Hzfeature not registered
Display features1300nits[peak]
HDR10+
Always-On Display
feature not registered

🤖 Operating System

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
System versionAndroid 11Android 9.0 Pie
Firmware updateAndroid 13Android 10
User InterfaceOxygenOS 13feature not registered

⚙️ Processor

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
Chipset64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPUOcta-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core)
Octa-core, 3 processors:
1x 2.84GHz Kryo 485 (Single-core)
3x 2.42GHz Kryo 485 (Triple-core)
4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controllerQualcomm Adreno 660 (840MHz)Qualcomm Adreno 640 (585MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
RAM memory8GB LPDDR56GB LPDDR4X
Internal storage128GB (101GB available)
UFS 3.1
128GB (109GB available)
UFS 2.1
External storageNot supportedNot supported

📶 Mobile networks

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload5000/1024 Mbps1024/150 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 800/850/900/1700/1800/1900/2100
CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
LTE Cat16/13
VoLTE
Global version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28)
TD-LTE (Bands 38, 39, 40)
China version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17)
TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G networkSA/NSA (1, 2, 3, 7, 25, 28, 41, 66, 71, 78)
mmWave (258, 260, 261)
Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE

📷 Camera

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
Back camera (main camera)(quad camera)
48 megapixels
8MP telephoto f/2.477mm1.0µmPDAFOIS3.3x-optical-zoom
50MP ultrawide f/2.214mm1/1.56"1.0µmAF
2MP monochrome f/2.4
(triple camera)
48 megapixels
16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF
12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom
Main camera resolution8000x6000 pixels8000x6000 pixels
Video recording (primary)8K UHD (7680x4320) 30 fps4K UHD (3840x2160) 60 fps
FlashDual-LED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length23mm lensfeature not registered
Sensor size1/1.43" inches1/2" inches
Pixel size1.12µm pixel0.8µm pixel
AutofocusLDAF/PDAF: laser/phase detection autofocusLDAF/PDAF: laser/phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extras4K@30/60/120fps
1080p@30/60/240fps
Hasselblad Color Calibration
Sony IMX689, IMX766. IMX471 sensor
feature not registered

📸 Front camera

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
Front camera (secondary)16 megapixels20 megapixels
Front camera resolution4608x3456 pixels5184x3840 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.4 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.06" inchesfeature not registered
Pixel size1µm pixel0.9µm pixel

🔉 Sound and multimedia

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
LoudspeakerStereo sound with dual speakers
24-bit/192kHz
Dolby Atmos
Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connectorType-C jack with 3.5mm jack adapter
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.2 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBASA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFCSupportedSupported
Infrared portNot supportedSupported

🧭 Sensors

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4500 mAh3300 mAh
Charger, watts65W (10V/6.5A) Wired fast charging
USB Power Delivery 1.0
27W Wired fast charging
Inductive / wireless charging50W Qi Wireless charging (Qi/WPC)Qi wireless charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
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: Stellar Black, Morning Mist, Pine Green• Colors: Piano Black, Lavender Violet, Ocean Blue
• MIUI 10
• HDR10/DCI-P3 display
• Sapphire glass camera cover
• Quick Charge 4+
• Fast wireless charging 20W

☢️ Radiation rate

OnePlus 9 Pro UW (128GB)Xiaomi Mi 9 (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.