Detailed comparison and review of Samsung Galaxy A51 5G and Xiaomi POCO X3 Pro. 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 | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A516B/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 158.9 mm | 165.3 mm | Xiaomi POCO X3 Pro has greater height than Samsung Galaxy A51 5G. |
| Width | 73.6 mm | 76.8 mm | Xiaomi POCO X3 Pro has greater width than Samsung Galaxy A51 5G. |
| Depth | 8.7 mm | 9.4 mm | Samsung Galaxy A51 5G is narrower than Samsung Galaxy A51 5G. |
| Weight | 187 g | 215 g | Samsung Galaxy A51 5G is lighter than Samsung Galaxy A51 5G. |
| Body Colour | Prism cube black | Prism cube white | Phantom black | Metallic bronze | Frost blue | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP53 | |
| SAR Value | 1.555 W/kg (body), 0.496 W/kg (head) | 0.899 W/kg (body), 0.573 W/kg (head), 1.898 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 Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Infinity-O Super AMOLED | - | |
| Screen Size (Display Size) | 6.5" | 6.67" | Xiaomi POCO X3 Pro has larger screen size than Samsung Galaxy A51 5G. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2400 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | - | 395 ppi | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 450 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | Edge-to-Edge screen | Dot Display, Reading mode 3, DynamicSwitch refresh rate | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 6 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 860 | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 2.96 GHz | Xiaomi POCO X3 Pro has higher clock speed than Samsung Galaxy A51 5G. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy A51 5G has 64-bit architecture. |
| Graphics System (GPU) | - | Qualcomm ADRENO 640 |
| MEMORY | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 6 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | 105.3 GB | - | |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/2" | |
| Lens Aperture | F/2.0 | F/1.79 | Xiaomi POCO X3 Pro has better lens aperture than Samsung Galaxy A51 5G. |
| Pixel Size | - | 1.6 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | Bokeh effect | - | |
| Camera Modes | Slow motion video | Night mode, Dual video mode | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 480 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Live Focus, background blur | 4-in-1 to 1.6μm Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy A51 5G has better second camera resolution than Xiaomi POCO X3 Pro. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | 123 degree(s) | 119 degree(s) | Samsung Galaxy A51 5G has larger second camera lens field of view than Xiaomi POCO X3 Pro. |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy A51 5G has higher resolution third camera than Xiaomi POCO X3 Pro. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Camera Functions (3rd Camera) | Macro camera | Macro camera | |
| Camera Features (3rd Camera) | - | FF (4cm) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy A51 5G has higher resolution fourth camera than Xiaomi POCO X3 Pro. |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.2 | F/2.4 | Samsung Galaxy A51 5G has better fourth camera lens aperture than Samsung Galaxy A51 5G. |
| Camera Functions (4th Camera) | Depth camera | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 20 Megapixel | Samsung Galaxy A51 5G has better front camera resolution than Xiaomi POCO X3 Pro. |
| Lens Aperture (Front) | F/2.2 | F/2.2 | Both phones have the same front camera lens aperture. |
| Pixel Size (Front) | - | 1.6 μm | |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | - | Night mode, Dual video mode | |
| Camera Features (Front) | - | 4-in-1 Super Pixel technology |
| BATTERY AND CHARGING | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 5160 mAh | Xiaomi POCO X3 Pro has larger battery capacity than Samsung Galaxy A51 5G. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 59 min | |
| Talk Time | 1380 minutes | - | |
| Run Time Details | Talk (4G): up to 1380 min Active online usage (LTE): up to 16 hrs Active online usage (Wi-Fi): up to 17 hrs Playback (video): up to 19 hrs Playback (audio): up to 86 hrs |
Playback (video): up to 18 hrs Gaming: up to 11 hrs Playback (Music): up to 110 hrs |
| CELLULAR | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Samsung Galaxy A51 5G has more advanced generation mobile network. |
| User Interface | - | MIUI 12 | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 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 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| 5G NR Band | N41, n78 | - | |
| 5G NR Frequency | TDD TD 2500, TDD TD 3500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | Wi-Fi 5 | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | - | |
| Sound Enhancements | - | Hi-Res audio |
| FEATURES | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| 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, gyro sensor, hall sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration motor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing | Infrared remote control, MIMO technology, AI face unlock, AI Engine, LiquidCool Technology 1.0 Plus, MMT (Middle Middle Tab) technology, dual stereo speakers |
| OTHERS | Samsung Galaxy A51 5G | Xiaomi POCO X3 Pro |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable, protective case, 33W charger | |
|---|---|---|---|
| Compliant Standards | - | IP53 |
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