Samsung Galaxy S7 vs. Samsung Galaxy A51

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy S7 and Samsung Galaxy A51. 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.

Phone Specifications Comparison

Samsung Galaxy S7 vs. Samsung Galaxy A51 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S7 Samsung Galaxy A51
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G930F SM-A515F/DSN
Form Factor Touch Touch
Height 142.4 mm 158.5 mm Samsung Galaxy A51 has greater height than Samsung Galaxy S7.
Width 69.6 mm 73.6 mm Samsung Galaxy A51 has greater width than Samsung Galaxy S7.
Depth 7.9 mm 7.9 mm Both phones are the same depth.
Weight 152 g 172 g Samsung Galaxy S7 is lighter than Samsung Galaxy S7.
Body Colour Titanium silver | Black onyx | White | Black | Gold | Silver | Pink/gold | Platinum gold | White pearl Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white
Body Material Metal, glass -
Protection Dustproof, waterproof -
Waterproof (Water-resistant) Yes - Samsung Galaxy S7 is waterproof.
IP rating IP68 -
SAR Value 1.48 W/kg (body), 0.406 W/kg (head) 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb)
Integrated Components Heart rate sensor -
Connector Type Micro-USB - 5 pin Micro-USB Type B
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
DISPLAY Samsung Galaxy S7 Samsung Galaxy A51
Display Type OLED display OLED display
Display Technology Quad HD Super AMOLED Super AMOLED
Screen Size (Display Size) 5.1" 6.5" Samsung Galaxy A51 has larger screen size than Samsung Galaxy S7.
Screen Resolution (Display Resolution) 2560 x 1440 pixels 2400 x 1080 pixels Samsung Galaxy S7 has better screen resolution than Samsung Galaxy A51.
Display Format QHD Full HD+
Pixel Density 577 ppi 408 ppi Samsung Galaxy S7 has better pixel density than Samsung Galaxy A51.
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features Always-on display Edge-to-Edge screen, Infinity O display
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR Samsung Galaxy S7 Samsung Galaxy A51
Processor Type (CPU) Qualcomm Snapdragon 820 Samsung Exynos 9611
Processor Number MSM8996 -
Clock Speed 2.3 GHz 2.3 GHz Both phones have the same clock speed.
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 530 -
MEMORY Samsung Galaxy S7 Samsung Galaxy A51
RAM 4 GB 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Samsung Galaxy A51 has more internal memory than Samsung Galaxy S7.
User Memory 24.5 GB 107 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 512 GB
CAMERA Samsung Galaxy S7 Samsung Galaxy A51
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy A51 has better camera resolution than Samsung Galaxy S7.
Lens Aperture F/1.7 F/2.0 Samsung Galaxy S7 has better lens aperture than Samsung Galaxy S7.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy S7 has optical stabilisation.
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) 26 mm -
Digital Zoom 8x 8x Both phones have the same digital zoom.
HDR Mode Auto HDR mode -
Camera Modes Panorama, Pro mode, wide selfie mode, Virtual Shot, HYPERLAPSE, Motion panorama Slow motion mode, Live Focus mode
Light Source LED light LED flash
Video Resolutions 3840 x 2160 (4K) at 30 fps Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) Selective Focus, Dual Pixel technology, Motion photo, vDIS technology, Spotlight AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Type (4th Camera) - Telephoto lens
Lens Aperture (4th Camera) - F/2.2
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 32 Megapixel Samsung Galaxy A51 has better front camera resolution than Samsung Galaxy S7.
Sensor Type (Front) CMOS -
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.7 F/2.2 Samsung Galaxy S7 has better front lens aperture than Samsung Galaxy S7.
Focus Adjustment - Focus free
HDR Mode (Front) Realtime HDR mode -
Camera Modes (Front) Slow motion video, selfie panorama -
Light Source (Front) Display flash -
BATTERY AND CHARGING Samsung Galaxy S7 Samsung Galaxy A51
Battery Capacity (Battery Size) 3000 mAh 4000 mAh Samsung Galaxy A51 has larger battery capacity than Samsung Galaxy S7.
Wireless Charging Yes - Samsung Galaxy S7 can be charged wirelessly.
Wireless Charging Standards WPC, PMA -
Standby Time 288 hours -
Talk Time 1320 minutes 1920 minutes Samsung Galaxy A51 has longer battery life when making calls than Samsung Galaxy S7.
Run Time Details Talk (WCDMA): up to 1320 min
Active online usage (WCDMA): up to 11 hrs
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 15 hrs
Playback (video): up to 15 hrs
Playback (audio): up to 45 hrs
Playback (audio (Always On Display Off)): up to 62 hrs
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
Battery Technology Lithium Ion Lithium Ion
CELLULAR Samsung Galaxy S7 Samsung Galaxy A51
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Google Android Android 10
User Interface Samsung TouchWiz One UI
Intelligent Assistant - Bixby
Payment Technology Samsung Pay -
Navigation GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy S7 Samsung Galaxy A51
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 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 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, 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 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, 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, ANT+/ANT IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 4.2 Bluetooth 5.0 LE
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP 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 Samsung Galaxy S7 Samsung Galaxy A51
Supported Digital Audio Standards WAV, WMA, AAC, Ogg Vorbis, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA 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, H.264, H.263, M4V, WebM, 3G2, H.265 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES Samsung Galaxy S7 Samsung Galaxy A51
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, heart rate, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader Fingerprint reader (under display)
Additional Phone Features Multitasking, Easy Mode, MIMO technology, Private Mode, Ultra Power Saving Mode, Screen mirroring, Alarm Clock, S-Voice Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines
OTHERS Samsung Galaxy S7 Samsung Galaxy A51
Included Accessories Power adapter Power adapter
Compliant Standards IP68, HAC (Hearing Aid Compatible) -
Max Depth of Water Resistance 1.5 m -
Other projects: