Side by side comparison and review of Xiaomi MI Mix and Vivo X51 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Xiaomi MI Mix | Vivo X51 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | V2006 | |
| Form Factor | Touch | Touch | |
| Height | 158.8 mm | 158.46 mm | Xiaomi MI Mix has greater height than Vivo X51 5G. |
| Width | 81.9 mm | 72.8 mm | Xiaomi MI Mix has greater width than Vivo X51 5G. |
| Depth | 7.9 mm | 8.04 mm | Xiaomi MI Mix is narrower than Xiaomi MI Mix. |
| Weight | 209 g | 181.5 g | Vivo X51 5G is lighter than Xiaomi MI Mix. |
| Body Colour | Black | Alpha grey | |
| Body Material | Ceramic | - | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP53 | |
| SAR Value | - | 1.205 W/kg (head), 1.239 W/kg (body), 3.086 W/kg (limb) | |
| 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 |
| DISPLAY | Xiaomi MI Mix | Vivo X51 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | IPS | AMOLED | |
| Screen Size (Display Size) | 6.4" | 6.56" | Vivo X51 5G has larger screen size than Xiaomi MI Mix. |
| Screen Resolution (Display Resolution) | 2040 x 1080 pixels | 2376 x 1080 pixels | Vivo X51 5G has better screen resolution than Xiaomi MI Mix. |
| Pixel Density | 362 ppi | 398 ppi | Vivo X51 5G has better pixel density than Xiaomi MI Mix. |
| Aspect Ratio | - | 19.8:9 | |
| Max Brightness | 500 cd/m² | 500 cd/m² | Both phones have the same display brightness |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 1300:1 | - |
| PROCESSOR | Xiaomi MI Mix | Vivo X51 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 821 | Qualcomm Snapdragon 765G | |
|---|---|---|---|
| Clock Speed | 2.35 GHz | 2.4 GHz | Vivo X51 5G has higher clock speed than Xiaomi MI Mix. |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | Yes | - | Xiaomi MI Mix has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 530 | - |
| MEMORY | Xiaomi MI Mix | Vivo X51 5G |
|---|
| RAM | 4 GB | 8 GB | Vivo X51 5G has more RAM than Xiaomi MI Mix. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 256 GB | Vivo X51 5G has more internal memory than Xiaomi MI Mix. |
| CAMERA | Xiaomi MI Mix | Vivo X51 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 48 Megapixel | Vivo X51 5G has better camera resolution than Xiaomi MI Mix. |
| Lens Aperture | F/2.0 | F/1.6 | Vivo X51 5G has better lens aperture than Xiaomi MI Mix. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode, Panorama, low-light shots | Panorama, Time-lapse mode, Pro mode, Live Photos, AI makeup, Portrait, Super Night mode, astro mode, pro sports mode, DOC mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI Mix has face detection. |
| Light Source | Dual flash | 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 | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Colour Correlated Temperature (CCT) flash | 60x Hyper Zoom, Gimbal Super Night Master, Gimbal Super Sport Expert |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 13 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.46 |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Wide-angle lens | |
| Lens Aperture (3rd Camera) | - | F/2.2 |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (4th Camera) | - | Telephoto lens | |
| Lens Aperture (4th Camera) | - | F/3.4 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Vivo X51 5G has better front camera resolution than Xiaomi MI Mix. |
| Lens Aperture (Front) | - | F/2.45 | |
| Special Effects (Front) | Smart beauty | HDR | |
| Camera Modes (Front) | Real time beauty mode | Live Photos, Portrait | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI Mix has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | Self-timer | 2 x digital zoom |
| BATTERY AND CHARGING | Xiaomi MI Mix | Vivo X51 5G |
|---|
| Battery Capacity (Battery Size) | 4400 mAh | 4315 mAh | Xiaomi MI Mix has larger battery capacity than Vivo X51 5G. |
|---|---|---|---|
| Standby Time | 256 hours | - | |
| Run Time Details | Standby: up to 256 hrs | - |
| CELLULAR | Xiaomi MI Mix | Vivo X51 5G |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | CDMA2000 1X / GSM / WCDMA (UMTS) | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Vivo X51 5G has more advanced generation mobile network. |
| Operating System | Android 6.0 (Marshmallow) | Funtouch OS 10 (based on Android 10) | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi MI Mix | Vivo X51 5G |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, 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 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, 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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n7, n8, n28, n38, n41, n77, n78 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 | |
| Bluetooth Profiles | A2DP, HID | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi MI Mix | Vivo X51 5G |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265 | MKV, AVI, 3GP, TS, MP4 | |
| Audio Amplifier | - | AK4377A |
| FEATURES | Xiaomi MI Mix | Vivo X51 5G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, digital compass, barometer, gyro sensor, hall sensor, ultrasonic distance sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | MU-MIMO technology, Cantilever piezoelectric ceramic acoustic system | - |
| OTHERS | Xiaomi MI Mix | Vivo X51 5G |
|---|
| Included Accessories | Power adapter, leather case, SIM card removal tool, USB-C cable | Headset, USB cable, power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, protective case, protective film | |
|---|---|---|---|
| Compliant Standards | - | IP53 |
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