Oppo Find X3 (256GB) vs Xiaomi Mi 3 (64GB)
Side by side comparison between Oppo Find X3 vs Xiaomi Mi 3 phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1440x3216
50
MP
MP
32mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
5"
IPS
IPS
1080x1920
13
MP
MP
2.1mp
2GB
RAM
RAM
Quad-core
3050
mAh
mAh
(Non removable)
What's the better phone? Oppo Find X3 (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!
25 Advantages 
7 Advantages | 15 Common items in both devices |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| (front) Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +8 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 Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| Model | Find X3 (256GB) | Xiaomi Mi 3 (64GB) |
| Other model names | OPPO Find X3 5G (PEDM00) | Xiaomi Mi3 WCDMA, Xiaomi 3 China Unicom |
| Country or region available |  China | feature not registered |
| Brand | Oppo | Xiaomi |
| Release date | 3/19/2021, Announced: 3/11/2021 | 12/1/2013 |
| Depth | 8.26 millimeters (0.33 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 74.4 x 163.6 millimeters (2.93 x 6.44 in) | 73.6 x 144 millimeters (2.9 x 5.67 in) |
| Weight | 193 grams (6.76 ounces) | 145 grams (5.08 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | IP52 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| Display type | AMOLED | TFT LED-Backlit IPS LCD |
| Screen size | 6.7" inches | 5" inches |
| Screen-to-body ratio | ~88.7% (screen-to-body ratio) | ~65% (screen-to-body ratio) |
| Display resolution | 1440x3216 pixels (20:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 526 PPI | 441 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 3 |
| Refresh rate | 120Hz | feature not registered |
| Display features | 500nits[typ], 1300nits[peak] HDR10+ BT.2020 | feature not registered |
🤖 Operating System | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| System version | Android 11 | Android 4.2.1 Jelly Bean |
| Firmware update | feature not registered | Android 4.4.2 KitKat |
| User Interface | ColorOS 11.2 | feature not registered |
⚙️ Processor | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm) | 32bit: Qualcomm Snapdragon 800 MSM8274AB (28nm) |
| CPU | Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Quad-core, 1 processor: 4x 2.3GHz Krait 400 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 650 (670MHz) | Qualcomm Adreno 330 450MHz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| RAM memory | 8GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 256GB (228GB available) UFS 3.1 | 64GB (60GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| 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) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 42/5.76 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| 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 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | Not supported |
| Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| Back camera (main camera) | (quad camera) 50 megapixels 13MP telephoto f/2.452mm2x-optical-zoomPDAF 50MP ultrawide f/2.216mm110°1/1.56"1.0µmPDAF 3MP microscope f/3.0AFring-flash60x-zoom | 13 megapixels |
| Main camera resolution | 8160x6120 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | 28mm lens |
| Sensor size | 1/1.56" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video only main camera |
| Camera extras | 1080p@240fps Sony IMX766 sensor | feature not registered |
📸 Front camera | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| Front camera (secondary) | 32 megapixels | 2.1 megapixels |
| Front camera resolution | 6528x4896 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| Loudspeaker | Stereo sound | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, DivX, XviD, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 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) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) BM31 |
| Battery capacity | 4500 mAh | 3050 mAh |
| Charger, watts | 65W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | 30W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 20 hours |
| Standby | feature not registered | 400 hours (16.7 days) |
➕ Other features | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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: Gloss Black, Blue, White | • Colors: Metallic gray • USB OTG On-The-Go 1.3 • MI UI 5.0 • Dirac HD sound • Touchscreen with gloves • WiFi display |
☢️ Radiation rate | ||
| Oppo Find X3 (256GB) | Xiaomi Mi 3 (64GB) | |
| 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 |