Xiaomi Mi 8 Youth (128GB/6GB) vs OnePlus 9 Pro UW (256GB)
Side by side comparison between Xiaomi Mi 8 Youth vs OnePlus 9 Pro phones, differences, pros, cons and full specifications. What's the better?
,
6.26"
IPS
IPS
1080x2280
12
MP
MP
24mp
6GB
RAM
RAM
Octa-core
3350
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1440x3216
48
MP
MP
16mp
12GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? OnePlus 9 Pro UW (256GB)
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!
4 Advantages 
28 Advantages | 17 Common items in both devices |
| Aluminum frame, glass front/back |
| Only digital zoom |
| PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus |
| HDR photo on both cameras / HDR photo/video on both cameras |
| (front) Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| +10 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 | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| Model | Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) |
| Other model names | 小米8 青春版 M1808D2TT, Xiaomi Mi8, Xiaomi Mi 8X, Xiaomi Platina | OnePlus 9 Pro 5G LE2125 (Unlocked) UltraWideband |
| Country or region available |  China |  USA |
| Brand | Xiaomi | OnePlus |
| Release date | 9/1/2018 | 3/30/2021, Announced: 3/23/2021 |
| Depth | 7.5 millimeters (0.3 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 75.8 x 156.4 millimeters (2.98 x 6.16 in) | 73.6 x 163.2 millimeters (2.9 x 6.43 in) |
| Weight | 169 grams (5.92 ounces) | 197 grams (6.9 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| Display type | TFT IPS LCD | Fluid AMOLED |
| Screen size | 6.26" inches | 6.7" inches |
| Screen-to-body ratio | ~82.5% (screen-to-body ratio) | ~89.9% (screen-to-body ratio) |
| Display resolution | 1080x2280 pixels | 1440x3216 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 526 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1300nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| System version | Android 8.1 Oreo | Android 11 |
| Firmware update | Android 9.0 Pie | Android 13 |
| User Interface | feature not registered | OxygenOS 13 |
⚙️ Processor | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 512 650Mhz | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| RAM memory | 6GB LPDDR4X | 12GB LPDDR5 |
| Internal storage | 128GB (110GB available) eMMC 5.1 | 256GB (220GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800, GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1800/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE | LTE 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 |
| Primary 5G network | Not supported | SA/NSA (1, 2, 3, 7, 25, 28, 41, 66, 71, 78) mmWave (258, 260, 261) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 5MP depth f/2.01.12µm | (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 |
| Main camera resolution | 4000x3000 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 23mm lens |
| Sensor size | 1/2.55" inches | 1/1.43" inches |
| Pixel size | 1.4µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@30/60/120fps 1080p@30/60/240fps Hasselblad Color Calibration Sony IMX689, IMX766. IMX471 sensor |
📸 Front camera | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| Front camera (secondary) | 24 megapixels | 16 megapixels |
| Front camera resolution | 5632x4224 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | 1.8µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | Type-C jack with 3.5mm jack adapter | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3350 mAh | 4500 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 65W (10V/6.5A) Wired fast charging USB Power Delivery 1.0 |
| Inductive / wireless charging | feature not registered | 50W Qi Wireless charging (Qi/WPC) |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Twilight gold, Dream blue, Deep space gray • MIUI • 19:9 screen • Quick Charge 3.0 | • Colors: Stellar Black, Morning Mist, Pine Green |
☢️ Radiation rate | ||
| Xiaomi Mi 8 Youth (128GB/6GB) | OnePlus 9 Pro UW (256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |