In depth comparison and review of Samsung Galaxy A51 5G and Realme 6i. 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 | Samsung Galaxy A51 5G | Realme 6i |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A516B/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 158.9 mm | 164.4 mm | Realme 6i has greater height than Samsung Galaxy A51 5G. |
| Width | 73.6 mm | 75.4 mm | Realme 6i has greater width than Samsung Galaxy A51 5G. |
| Depth | 8.7 mm | 9 mm | Samsung Galaxy A51 5G is narrower than Samsung Galaxy A51 5G. |
| Weight | 187 g | 199 g | Samsung Galaxy A51 5G is lighter than Samsung Galaxy A51 5G. |
| Body Colour | Prism cube black | Prism cube white | Milk white | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.555 W/kg (body), 0.496 W/kg (head) | 0.59 W/kg (body), 1.14 W/kg (head) | |
| 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 | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Samsung Galaxy A51 5G | Realme 6i |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Infinity-O Super AMOLED | - | |
| Screen Size (Display Size) | 6.5" | 6.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1600 x 720 pixels | Samsung Galaxy A51 5G has better screen resolution than Realme 6i. |
| Display Format | Full HD+ | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | Edge-to-Edge screen | Eye Care, Mini-drop display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A51 5G | Realme 6i |
|---|
| Processor Type (CPU) | - | MediaTek Helio G80 | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 2 GHz | Samsung Galaxy A51 5G has higher clock speed than Realme 6i. |
| 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) | - | Mali-G52 |
| MEMORY | Samsung Galaxy A51 5G | Realme 6i |
|---|
| RAM | 6 GB | LPDDR4X SDRAM - 4 GB | Samsung Galaxy A51 5G has more RAM than Realme 6i. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | 105.3 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | microSD |
| CAMERA | Samsung Galaxy A51 5G | Realme 6i |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.0 | F/1.8 | Realme 6i has better lens aperture than Samsung Galaxy A51 5G. |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | Bokeh effect | - | |
| Camera Modes | Slow motion video | - | |
| 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, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Live Focus, background blur | AI Quad camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy A51 5G has better second camera resolution than Realme 6i. |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.3 | Samsung Galaxy A51 5G has better second camera lens aperture than Samsung Galaxy A51 5G. |
| Field of View (2nd Camera) | 123 degree(s) | 119 degree(s) | Samsung Galaxy A51 5G has larger second camera lens field of view than Realme 6i. |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | - | |
|---|---|---|---|
| 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 | Potrait camera | |
| Camera Features (3rd Camera) | - | B&W Portrait lens |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | 2 Megapixel | Samsung Galaxy A51 5G has higher resolution fourth camera than Realme 6i. |
|---|---|---|---|
| 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 | Macro camera | |
| Camera Features (4th Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 16 Megapixel | Samsung Galaxy A51 5G has better front camera resolution than Realme 6i. |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Realme 6i has better front lens aperture than Samsung Galaxy A51 5G. |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | - | AI Beauty | |
| Face Recognition (Face ID) | - | Face recognition | Realme 6i has face detection. |
| BATTERY AND CHARGING | Samsung Galaxy A51 5G | Realme 6i |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 5000 mAh | Realme 6i has larger battery capacity than Samsung Galaxy A51 5G. |
|---|---|---|---|
| Standby Time | - | 936 hours | |
| Talk Time | 1380 minutes | 1758 minutes | Realme 6i has longer battery life when making calls than Samsung Galaxy A51 5G. |
| 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 |
Standby: up to 936 hrs Talk: up to 1758 min Playback (Music): up to 54.7 hrs Continuous viewing (YouTube): up to 20.6 hrs Continuous viewing (Instagram): up to 19.7 hrs |
| CELLULAR | Samsung Galaxy A51 5G | Realme 6i |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Samsung Galaxy A51 5G has more advanced generation mobile network. |
| Operating System | - | Android 10 | |
| User Interface | - | Realme UI | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy A51 5G | Realme 6i |
|---|
| 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+ | IEEE 802.11b/g/n | |
| 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 | Realme 6i |
|---|
| 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 | - |
| FEATURES | Samsung Galaxy A51 5G | Realme 6i |
|---|
| Phone Functions | 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, magnetometer, gyro sensor | |
| Security Devices | Fingerprint reader (under display) | - | |
| Additional Phone Features | Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing | - |
| OTHERS | Samsung Galaxy A51 5G | Realme 6i |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable, protective case, 18W charger, protective film |
|---|
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