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Asus Zenfone 7 Pro (ZS671KS) vs Samsung Galaxy 551 (GT-i5510)

Side by side comparison between Asus Zenfone 7 Pro vs Samsung Galaxy 551 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy 551 XAsus Zenfone 7 Pro (ZS671KS)33Points
Asus Zenfone 7 Pro (ZS671KS)
6.67"
AMOLED

1080x2400

64
MP

8GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
05PointsSamsung Galaxy 551 (GT-i5510)Compare Asus Zenfone 7 Pro X
Samsung Galaxy 551 (GT-i5510)
3.2"
TFT

240x400

3.1
MP

512MB
RAM

32bit Single

1200
mAh

(Removable)

What's the better phone? Asus Zenfone 7 Pro (ZS671KS)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

Zenfone 7 Pro (ZS671KS)33 Advantages Asus Zenfone 7 Pro (ZS671KS)vsGalaxy 551 (GT-i5510)5 Advantages Samsung Galaxy 551 (GT-i5510)
+3.09GHz 64bit Octa-Core8 times
More powerful processor, you can open your applications faster
vs600MHz 32bit Single-Core
+8GB LPDDR515 times
More RAM memory. Typically more responsive and better for multitasking.
vs512MB
+256GB (222GB available)1313 times
More internal storage for applications and files
vs512MB (173MB available)
+Until 1TB microSD, microSDXC31 times
More external storage for files using memory cards
vsUntil 32GB microSD, microSDHC
+9.6 millimeters (0.38 inches)58%
Thinner
vs15.2 millimeters (0.6 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT LCD
+1080x2400 pixels26 times
Higher resolution screen
vs240x400 pixels
+395 PPI171%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs146 PPI
+6.67"108%
Larger screen
vs3.2"
+(triple camera) 64MP + 12MP + 8MP26 times
Higher resolution main camera
vs(back) 3.1MP
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsNot supported
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsNot supported
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+HDR photo/video on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsNot supported
+8K UHD (7680x4320)431 times
More image quality for recording videos with the primary camera
vsQVGA (320x240)
+Android 11Advantage
Android 11 is newer and safer
vsAndroid 2.3.6 Gingerbread
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs3G HSUPA
+(5G SA/NSA) 2000 Mbps277 times
Faster for surfing the internet and download files
vs(3G HSUPA) 7.2 Mbps
+Ambient Light sensorAdvantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+5000 mAh3 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs1200 mAh
+Video callingAdvantage
The video calling allows to make calls with voice and video
vsNot supported
+2 slots (Dual-SIM)
(dedicated slot)Advantage
It's more advantageous to have more than one phone operator in the same device
vs1 slot (Single-SIM)
(dedicated slot)
+Active noise cancellationAdvantage
Noise-canceling microphone allows better call quality
vsNot supported
+802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 b/g/n (2.4Ghz)
+5.1 + A2DP/LEAdvantage
Bluetooth 5.1 + A2DP/LE is newer and faster
vs3.0 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
vsHTML, XHTML, Flash player
+Gorilla Glass 6Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
235 grams (8.23 ounces)vs+117 grams (4.1 ounces)101%
Lighter
Type-C jack with 3.5mm jack adaptervs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
LiPo: Li-Ion polymer (Non removable)vs+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily
Not supportedvs+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

11 Common items in both devices
16 million
PDAF: phase detection autofocus / Autofocus
Capacitive
Multitouch
Accelerometer
Compass
Proximity sensor
+4 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight

📱 Model features

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
ModelZenfone 7 Pro (ZS671KS)Galaxy 551 (GT-i5510)
Other model namesAsus Zenfone 7 Pro ZS671KS, ASUS_I002DDSamsung Galaxy i5510, Samsung Callisto
Country or region available(Global, International)
(Global, International)
(Global, International)(Europe)
(Global, International), (Europe)
BrandAsusSamsung
Release date9/1/2020, Announced: 8/26/202011/1/2010
Depth9.6 millimeters (0.38 inches)15.2 millimeters (0.6 inches)
Size (width x height)77.3 x 165.1 millimeters (3.04 x 6.5 in)55 x 111 millimeters (2.17 x 4.37 in)
Weight235 grams (8.23 ounces)117 grams (4.1 ounces)
Build, materialsAluminum frame, glass front/backfeature not registered
Protection against water and othersNot supportedNot supported

🤖 Operating System

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
System versionAndroid 10Android 2.2 Froyo
Firmware updateAndroid 11Android 2.3.6 Gingerbread
User InterfaceZenUI 8feature not registered

⚙️ Processor

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
Chipset64bit - Qualcomm Snapdragon 865+ (SM8250-AB) (7nm)32bit - Qualcomm Snapdragon S1 MSM7227 (65nm)
CPUOcta-Core, 3 processors:
3.09GHz Single-Core Kryo 585
2.42GHz Triple-Core Kryo 585
1.8GHz Quad-Core Kryo 585
Single-Core, 1 processor:
600MHz Single-Core ARM1136EJ-S
GPU graphical controllerQualcomm Adreno 650 (250-646MHz)Qualcomm Adreno 200
Performance (benchmark)AnTuTu: 602934 (v8)
Geekbench: 3302 (v5.1)
GFXBench: 46fps (ES 3.1 onscreen)
feature not registered

💽 Memory and storage

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
RAM memory8GB LPDDR5512MB
Internal storage256GB (222GB available)
UFS 3.1
512MB (173MB available)
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 32GB microSD, microSDHC
(dedicated slot)

📲 Display

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
Display typeSuper AMOLEDTFT LCD
Screen size6.67" inches3.2" inches
Screen-to-body ratio~84.2% (screen-to-body ratio)~47.7% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)240x400 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)395 PPI146 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 6Not supported
Display features90Hz, 700nits[peak]
HDR10+
feature not registered

📶 Mobile networks

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
Standard mini-SIM (2FF)
Maximum download/upload2000/1024 Mbps7.2 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 800/850/900/1700/1900/2100UMTS 900/2100
Primary 4G networkLTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29)
TD-LTE (38, 39, 40, 41)
VoLTE
Not supported
Primary 5G networkSA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSACSD, GPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 800/850/900/1700/1900/2100Not supported
Secondary 4G networkLTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29)
TD-LTE (38, 39, 40, 41)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-ANot supported

📷 Camera

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
Back camera (main camera)(triple camera)
64 megapixels
12MP ultrawidef/2.2113°17mm1/2.55"1.4µmPDAF
8MP telephotof/2.480mmPDAFOIS3x-optical-zoom
3.1 megapixels
Main camera resolution10120x6328 pixels2048x1536 pixels
Video recording (primary)8K UHD (7680x4320) 30 fpsQVGA (320x240) 15 fps
FlashDual-LED flashNot supported
Focal aperturef/1.8 (aperture)feature not registered
Focal length26mm lensfeature not registered
Sensor size1/1.72" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered
AutofocusPDAF: phase detection autofocusAutofocus
Touch focusSupportedNot supported
Image stabilizationOIS: Optical stabilizationNot supported
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionNot supported
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasNot supported
Camera extras4K@120fps
1080p@240fps
720p@480fps
feature not registered

📸 Front camera

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
Front camera (secondary)Uses the back motorized camera (flip-up/rotating)Not supported
Front camera resolution10120x6328 pixelsNot supported
Video recording (secondary)8K UHD (7680x4320)Not supported
Front flashDual-LED flashNot supported
Focal aperturef/1.8 (aperture)feature not registered
Focal length26mm lensfeature not registered
Sensor size1/1.72" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered

🔉 Sound and multimedia

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
LoudspeakerStereo sound
24-bit/192kHz
Supported
Active noise cancellation2 microphones or moreNot supported
RadioNot supportedFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKV3GP, 3G2, MJPG, MP4, WMV, H.263
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, eAAC+

🔌 Connectivity

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio outputType-C jack with 3.5mm jack adapter3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.1 + A2DP/LE3.0 + A2DP
WiFi802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n (2.4Ghz)
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavICA-GPS, GeoTagging
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
SensorsAccelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
Battery typeLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Removable)
Battery capacity5000 mAh1200 mAh
Charger, watts30W Fast battery charging
Reverse charging USB between devices
Quick Charge 4
USB Power Delivery 3.0
Standard charging
Talk time autonomyfeature not registered5 hours
Standbyfeature not registered370 hours (15.4 days)

➕ Other features

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedNot supported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, Flash player
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedRetractable QWERTY keyboard
Miscellaneous- Colors: Aurora Black, Pastel White
- Silicon case included
- Colors: Black
- 1GB microSD included
- Samsung TouchWiz 3.0
- Java framework

☢️ Radiation rate

Asus Zenfone 7 Pro (ZS671KS)Samsung Galaxy 551 (GT-i5510)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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