In depth comparison and review of Samsung Galaxy S10 5G and Samsung Galaxy A51 5G. 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 S10 5G | Samsung Galaxy A51 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G977U | SM-A516B/DS | |
| Form Factor | Touch | Touch | |
| Height | 162.6 mm | 158.9 mm | Samsung Galaxy S10 5G has greater height than Samsung Galaxy A51 5G. |
| Width | 77.1 mm | 73.6 mm | Samsung Galaxy S10 5G has greater width than Samsung Galaxy A51 5G. |
| Depth | 7.9 mm | 8.7 mm | Samsung Galaxy S10 5G is narrower than Samsung Galaxy S10 5G. |
| Weight | 198 g | 187 g | Samsung Galaxy A51 5G is lighter than Samsung Galaxy S10 5G. |
| Body Colour | Crown silver | Majestic black | Prism cube black | Prism cube white | |
| Body Material | Aluminium, Gorilla glass 6 | - | |
| Protection | Dustproof, splashproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S10 5G is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.55 W/kg (body), 0.264 W/kg (head) | 1.555 W/kg (body), 0.496 W/kg (head) | |
| Integrated Components | Heart rate sensor | - | |
| 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 | Single-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy S10 5G | Samsung Galaxy A51 5G |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED | Infinity-O Super AMOLED | |
| Screen Size (Display Size) | 6.7" | 6.5" | Samsung Galaxy S10 5G has larger screen size than Samsung Galaxy A51 5G. |
| Screen Resolution (Display Resolution) | 3040 x 1440 pixels | 2400 x 1080 pixels | Samsung Galaxy S10 5G has better screen resolution than Samsung Galaxy A51 5G. |
| Display Format | QHD+ | Full HD+ | |
| Pixel Density | 505 ppi | - | |
| Aspect Ratio | 19:9 | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Contrast Ratio | 2000000:1 | - | |
| HDR | Yes | - | Samsung Galaxy S10 5G has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Features | Edge Screen, AOD(Always On Display) | Edge-to-Edge screen | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | - |
| PROCESSOR | Samsung Galaxy S10 5G | Samsung Galaxy A51 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | - | |
|---|---|---|---|
| Clock Speed | 2.8 GHz | 2.2 GHz | Samsung Galaxy S10 5G 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 | Yes | Both phones have 64-bit architecture. |
| MEMORY | Samsung Galaxy S10 5G | Samsung Galaxy A51 5G |
|---|
| RAM | LPDDR4X SDRAM - 8 GB | 6 GB | Samsung Galaxy S10 5G has more RAM than Samsung Galaxy A51 5G. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 256 GB | 128 GB | Samsung Galaxy S10 5G has more internal memory than Samsung Galaxy A51 5G. |
| User Memory | 226.1 GB | 105.3 GB | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy S10 5G | Samsung Galaxy A51 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Samsung Galaxy A51 5G has better camera resolution than Samsung Galaxy S10 5G. |
| Lens Type | Telephoto lens | - | |
| Lens Aperture | F/2.4 | F/2.0 | Samsung Galaxy A51 5G has better lens aperture than Samsung Galaxy S10 5G. |
| Field of View (FoV) | 45 degree(s) | - | |
| Pixel Size | 1 μm | - | |
| Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | - | Samsung Galaxy S10 5G has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | 8x | Samsung Galaxy S10 5G has better digital zoom than Samsung Galaxy A51 5G. |
| Self-Timer Delay | Yes | - | |
| Special Effects | HDR, Grid Line, Motion photos | Bokeh effect | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Food, Live focus with bokeh effect, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Live focus video | Slow motion video | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy S10 5G has face detection. |
| White Balance | Custom, automatic | - | |
| Light Source | High CRI LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 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, Slo-mo video 1280 x 720 (720p) at 480 fps | |
| Camera Features (Functions) | Quick Launch, Playback zoom, Phase Detect Auto-Focus (PDAF), blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, location tags, Hyperlapse video support 1080p, Scene Optimiser, Full view, Flaw detection, 9.1MP still photos recording 4K video, Shot suggestions, AR Emoji, blur detection, HDR10+ recording, Floating shutter button, Super steady | Live Focus, background blur |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 16 Megapixel | 12 Megapixel | Samsung Galaxy S10 5G has better second camera resolution than Samsung Galaxy A51 5G. |
|---|---|---|---|
| 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) | 123 degree(s) | Both phones have the same second camera lens field of view. |
| Pixel Size (2nd Camera) | 1 μm | - | |
| Camera Features (2nd Camera) | Dual Pixel AF, OIS (Optical Image Stabilisation) | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | 5 Megapixel | Samsung Galaxy S10 5G has higher resolution third camera than Samsung Galaxy A51 5G. |
|---|---|---|---|
| Lens Type (3rd Camera) | Wide-angle lens | - | |
| Lens Aperture (3rd Camera) | F/1.5 and f/2.4 | F/2.4 | Samsung Galaxy S10 5G has better third camera lens aperture than Samsung Galaxy S10 5G. |
| Field of View (3rd Camera) | 77 degree(s) | - | |
| Pixel Size (3rd Camera) | 1.4 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S10 5G has optical stabilisation of the third camera. |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | Dual Pixel AF | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/1.2 | F/2.2 | Samsung Galaxy S10 5G has better fourth camera lens aperture than Samsung Galaxy S10 5G. |
| Field of View (4th Camera) | 72 degree(s) | - | |
| Pixel Size (4th Camera) | 10 μm | - | |
| Camera Functions (4th Camera) | Capture depth information | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 10 Megapixel | 32 Megapixel | Samsung Galaxy A51 5G has better front camera resolution than Samsung Galaxy S10 5G. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.9 | F/2.2 | Samsung Galaxy S10 5G has better front lens aperture than Samsung Galaxy S10 5G. |
| Field of View (Front) | 80 degree(s) | - | |
| Pixel Size (Front) | 1.22 μm | - | |
| Focus Adjustment | Automatic | Focus free | |
| Camera Modes (Front) | Wide selfie mode, Live Focus mode, AR Emoji, selfie focus, Live focus video | - | |
| Camera Features (Front) | Dual Pixel AF | - |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 8 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Front) | F/1.6 | - | |
| Field of View (2nd Front) | 75 degree(s) | - | |
| Pixel Size (2nd Front) | 10 μm | - | |
| Camera Functions (2nd Front) | Capture depth information | - |
| BATTERY AND CHARGING | Samsung Galaxy S10 5G | Samsung Galaxy A51 5G |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 4500 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | - | Samsung Galaxy S10 5G has fast charging technology. |
| Wireless Charging | Yes | - | Samsung Galaxy S10 5G can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | - | |
| Talk Time | 2400 minutes | 1380 minutes | Samsung Galaxy S10 5G has longer battery life when making calls than Samsung Galaxy A51 5G. |
| Run Time Details | Talk: up to 2400 min Standby (Always On Display Off): up to 350 hrs Standby (Always On Display On): up to 113 hrs |
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 |
| CELLULAR | Samsung Galaxy S10 5G | Samsung Galaxy A51 5G |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | Android 9.0 Pie | - | |
| User Interface | One UI | - | |
| Intelligent Assistant | Bixby | Bixby | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy S10 5G | Samsung Galaxy A51 5G |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi, LAA, 5G NR FR1 | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 850, 900 | |
| 4G LTE Band | Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 46, Band 48, Band 66 | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, TDD 3600, FDD 1700 - 2110 AWS-3 | 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 | |
| 5G NR Band | N260, n261 | N41, n78 | |
| 5G NR Frequency | TDD 39GHz, TDD 28GHz | TDD TD 2500, TDD TD 3500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy S10 5G | Samsung Galaxy A51 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | 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, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound, Qualcomm TrueWireless, Qualcomm Broadcast Audio, Qualcomm Aqstic audio, Qualcomm aptX audio | - |
| FEATURES | Samsung Galaxy S10 5G | Samsung Galaxy A51 5G |
|---|
| 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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, pressure sensor, geomagnetic sensor, HR sensor | Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader (under display) | |
| Additional Phone Features | Multi Window, Smart Select, MU-MIMO technology, Samsung KNOX, High AOP Mic, Smart View, Live message, Bixby Vision, Secure Folder function, Dual Audio, Bixby Routines, Intelligent Performance Enhancer | Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing |
| OTHERS | Samsung Galaxy S10 5G | Samsung Galaxy A51 5G |
|---|
| Included Accessories | Power adapter, SIM card removal tool, clear soft case, USB-C cable, headset (tuned by AKG), USB connector (OTG), protective film | Power adapter | |
|---|---|---|---|
| Compliant Standards | IP68 | - |
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