In depth comparison and review of Xiaomi MI Max 3 and OnePlus 8. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 176.15 mm | 160.2 mm | Xiaomi MI Max 3 has greater height than OnePlus 8. |
| Width | 87.4 mm | 72.9 mm | Xiaomi MI Max 3 has greater width than OnePlus 8. |
| Depth | 7.99 mm | 8 mm | Xiaomi MI Max 3 is narrower than Xiaomi MI Max 3. |
| Weight | 221 g | 180 g | OnePlus 8 is lighter than Xiaomi MI Max 3. |
| Body Colour | - | Black | Onyx black | Glacial green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.417 W/kg (body), 1.584 W/kg (head) | 0.86 W/kg | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | Fluid Amoled | |
| Screen Size (Display Size) | 6.9" | 6.55" | Xiaomi MI Max 3 has larger screen size than OnePlus 8. |
| Screen Resolution (Display Resolution) | 2160 x 1080 pixels | 2400 x 1080 pixels | OnePlus 8 has better screen resolution than Xiaomi MI Max 3. |
| Display Format | Full HD+ | QHD+ | |
| Pixel Density | - | 402 ppi | |
| Aspect Ratio | 18:9 | 20:9 | |
| Max Brightness | 520 cd/m² | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 1500:1 | - | |
| HDR | - | Yes | OnePlus 8 has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Features | Night Display, Sunlight Display, Reading mode, Colour temperature adjustment | Reading mode, night mode, Wide colour display (P3), 90 Hz Fluid Display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3D (scratch resistant glass) |
| PROCESSOR | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 636 | Qualcomm Snapdragon 865 | |
|---|---|---|---|
| Clock Speed | 1.8 GHz | 2.84 GHz | OnePlus 8 has higher clock speed than Xiaomi MI Max 3. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 509 | Qualcomm ADRENO 650 |
| MEMORY | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | LPDDR4X SDRAM - 8 GB | OnePlus 8 has more RAM than Xiaomi MI Max 3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OnePlus 8 has more internal memory than Xiaomi MI Max 3. |
| User Memory | - | 100 GB | |
| Memory Interface | - | UFS 3.0 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | OnePlus 8 has better camera resolution than Xiaomi MI Max 3. |
| Sensor Size | - | 1/1.4" | |
| Sensor Name | - | Sony Exmor RS IMX586 sensor | |
| Lens Aperture | F/1.9 | F/1.75 | OnePlus 8 has better lens aperture than Xiaomi MI Max 3. |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 0.8 μm | |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OnePlus 8 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Special Effects | HDR | Portrait, HDR, Studio | |
| Camera Modes | Burst mode, Panorama, AI portrait mode | Panorama, Time-lapse mode, Pro mode, night mode, portrait mode, Cine Video Mode, Dog, Cat, Nightscape capture mode, Portrait, Ultra shot | |
| Face Recognition (Face ID) | Face recognition | Face detection | Both phones have face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps | |
| Camera Features (Functions) | Dual Pixel Autofocus technology, AI scene detection | Noise reduction, GIF animation function, Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), Continuous Auto Focus (CAF), RAW image capture, AI scene detection, UltraShot engine |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 2 Megapixel | Xiaomi MI Max 3 has better second camera resolution than OnePlus 8. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Pixel Size (2nd Camera) | - | 1.75 μm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 16 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (3rd Camera) | - | F/2.2 | |
| Field of View (3rd Camera) | - | 116 degree(s) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 16 Megapixel | OnePlus 8 has better front camera resolution than Xiaomi MI Max 3. |
| Sensor Name (Front) | - | Sony Exmor RX IMX471 sensor | |
| Lens Aperture (Front) | F/2.0 | F/2.45 | Xiaomi MI Max 3 has better front lens aperture than Xiaomi MI Max 3. |
| Pixel Size (Front) | - | 1 μm | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | HDR, face retouch | |
| Camera Modes (Front) | AI portrait mode, AI Beautify | Time-lapse mode | |
| Face Recognition (Face ID) | Face detection | - | Xiaomi MI Max 3 has face detection. |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | - | Electronic Image Stabiliser (EIS) |
| BATTERY AND CHARGING | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| Battery Capacity (Battery Size) | 5500 mAh | 4300 mAh | Xiaomi MI Max 3 has larger battery capacity than OnePlus 8. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | Warp Charge 30 technology, Warp Charge 30T technology | Both phones have fast charging technology. |
| Standby Time | 474 hours | - | |
| Talk Time | - | 1740 minutes | |
| Run Time Details | Playback (video): up to 17 hrs Gaming: up to 10 hrs Playback (audio): up to 233 hrs Standby: up to 474 hrs |
Talk: up to 1740 min Standby: up to 391 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OnePlus 8 has more advanced generation mobile network. |
| Operating System | Android 8.1 Oreo | OxygenOS (based on Android 10) | |
| User Interface | MIUI 10 | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, LTE Advanced, FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900, 1700, 800 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 34, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 46, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 5150, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n7, n28, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 700APT, TDD TD 3500 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
| NFC | - | Yes | OnePlus 8 has NFC reader for mobile payments. |
| Modem | - | Snapdragon X55 5G | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, SBC, apt-X HD, EAC3-JOC, AC-4 | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, MPEG4-ASP | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
| Sound Enhancements | - | Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound |
| FEATURES | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Face Unlock, infrared remote control, Split Screen | Face Unlock, Noise Cancellation Technology, MIMO technology, Alert Slider |
| OTHERS | Xiaomi MI Max 3 | OnePlus 8 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable | SIM card removal tool, sticker, screen protector, USB-C cable, protective case, Warp Charge 30 power adapter |
|---|
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