Detailed comparison and review of Xiaomi MI 8 Pro and Samsung Galaxy A51. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
DESIGN AND DIMENSIONS | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | SM-A515F/DSN | |
Form Factor | Touch | Touch | |
Height | 154.9 mm | 158.5 mm | Samsung Galaxy A51 has greater height than Xiaomi MI 8 Pro. |
Width | 74.8 mm | 73.6 mm | Xiaomi MI 8 Pro has greater width than Samsung Galaxy A51. |
Depth | 7.6 mm | 7.9 mm | Xiaomi MI 8 Pro is narrower than Xiaomi MI 8 Pro. |
Weight | 177 g | 172 g | Samsung Galaxy A51 is lighter than Xiaomi MI 8 Pro. |
Body Colour | Transparent titanium | Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.531 W/kg (body), 0.969 W/kg (head) | 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) | |
Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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Display Type | OLED display | OLED display | |
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Display Technology | AMOLED | Super AMOLED | |
Screen Size (Display Size) | 6.21" | 6.5" | Samsung Galaxy A51 has larger screen size than Xiaomi MI 8 Pro. |
Screen Resolution (Display Resolution) | 2248 x 1080 pixels | 2400 x 1080 pixels | Samsung Galaxy A51 has better screen resolution than Xiaomi MI 8 Pro. |
Display Format | Full HD+ | Full HD+ | |
Pixel Density | 402 ppi | 408 ppi | Samsung Galaxy A51 has better pixel density than Xiaomi MI 8 Pro. |
Aspect Ratio | 18.7:9 | - | |
Max Brightness | 600 cd/m² | - | |
Colour Depth | - | 16.7 million colours | |
Contrast Ratio | 60000:1 | - | |
HDR | Yes | - | Xiaomi MI 8 Pro has HDR. |
Display Enhancement Technology | Sunlight mode | - | |
Display Features | Always-on display, Reading mode, Colour temperature adjustment, DCI-P3 Wide colour gamut | Edge-to-Edge screen, Infinity O display |
PROCESSOR | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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Processor Type (CPU) | Qualcomm Snapdragon 845 AIE | Samsung Exynos 9611 | |
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Clock Speed | 2.8 GHz | 2.3 GHz | Xiaomi MI 8 Pro has higher clock speed than Samsung Galaxy A51. |
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 630 | - |
MEMORY | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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RAM | LPDDR4X SDRAM - 8 GB | 4 GB | Xiaomi MI 8 Pro has more RAM than Samsung Galaxy A51. |
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Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
User Memory | - | 107 GB | |
Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 512 GB |
CAMERA | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 4 | |
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Sensor Resolution | 12 Megapixel | 48 Megapixel | Samsung Galaxy A51 has better camera resolution than Xiaomi MI 8 Pro. |
Lens Type | Wide-angle lens | - | |
Lens Aperture | F/1.8 | F/2.0 | Xiaomi MI 8 Pro has better lens aperture than Xiaomi MI 8 Pro. |
Optical Image Stabiliser (OIS) | 4-axis OIS (Optical Image Stabilisation) | - | Xiaomi MI 8 Pro has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Digital Zoom | - | 8x | |
Special Effects | HDR | - | |
Camera Modes | Burst mode, Panorama, low-light shots, portrait mode, AI Beautify, Portrait mode with background blurring | Slow motion mode, Live Focus mode | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 8 Pro has face detection. |
Light Source | LED flash | LED flash | |
Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
Camera Features (Functions) | Dual Pixel Autofocus technology, AI Dual camera, AI scene detection, AI Beautify, AI studio lighting, AI short video editing, AI high-res photos, AI Dynamic | AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 12 Megapixel | 12 Megapixel | Both phones have the same second camera resolution. |
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Lens Type (2nd Camera) | Telephoto lens | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | Samsung Galaxy A51 has better second camera lens aperture than Xiaomi MI 8 Pro. |
Field of View (2nd Camera) | - | 123 degree(s) | |
Camera Features (2nd Camera) | Portrait lens | - |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Camera Functions (3rd Camera) | - | Macro camera |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 5 Megapixel | |
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Lens Type (4th Camera) | - | Telephoto lens | |
Lens Aperture (4th Camera) | - | F/2.2 | |
Camera Functions (4th Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 20 Megapixel | 32 Megapixel | Samsung Galaxy A51 has better front camera resolution than Xiaomi MI 8 Pro. |
Lens Aperture (Front) | - | F/2.2 | |
Focus Adjustment | - | Focus free | |
Special Effects (Front) | Mirror | - | |
Camera Modes (Front) | AI portrait mode, 3D beauty mode | - | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 8 Pro has face detection. |
Camera Features (Front) | Self-timer, 3D Beautify | - |
BATTERY AND CHARGING | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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Battery Capacity (Battery Size) | 3000 mAh | 4000 mAh | Samsung Galaxy A51 has larger battery capacity than Xiaomi MI 8 Pro. |
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Fast Charging Technology | Qualcomm Quick Charge 4.0+ | - | Xiaomi MI 8 Pro has fast charging technology. |
Talk Time | - | 1920 minutes | |
Run Time Details | - | Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 20 hrs Playback (audio): up to 87 hrs Talk (4G): up to 1920 min |
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Battery Technology | - | Lithium Ion |
CELLULAR | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | - | Android 10 | |
User Interface | - | One UI | |
Intelligent Assistant | - | Bixby | |
Payment Technology | Android Pay | - | |
Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, 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 20, Band 26, Band 28, Band 38, 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, FDD 700a, FDD 700b, 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 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+ | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 LE | |
Bluetooth Profiles | - | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, apt-X HD | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
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Supported Digital Video Standards | MKV, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 |
FEATURES | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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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 | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyro sensor, hall sensor, Time of Flight (ToF), infrared (IR) sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader (under display) | |
Security Technology | IR face unlock | - | |
Additional Phone Features | Face Unlock, MU-MIMO technology | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines |
OTHERS | Xiaomi MI 8 Pro | Samsung Galaxy A51 |
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Included Accessories | Power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, soft protective case, 18W QC3.0 charger | Power adapter |
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