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?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
64mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
3.2"
TFT
TFT
240x400
3.1
MP
MP
512MB
RAM
RAM
Single-core
1200
mAh
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!
30 Advantages 
5 Advantages | 9 Common items in both devices |
| 16 million |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| Proximity sensor |
| +2 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| Change model | ||
| Model | Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) |
| Other model names | Asus Zenfone 7 Pro ZS671KS, ASUS_I002DD | Samsung Galaxy i5510, Samsung Callisto |
| Country or region available |  (Global, International) |  (Global, International), (Europe) |
| Brand | Asus | Samsung |
| Release date | 9/1/2020, Announced: 8/26/2020 | 11/1/2010 |
| Depth | 9.6 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) |
| Weight | 235 grams (8.23 ounces) | 117 grams (4.1 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 6.67" inches | 3.2" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~47.7% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 240x400 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 146 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Not supported |
| Refresh rate | 90Hz | feature not registered |
| Display features | 700nits[peak] HDR10+ | feature not registered |
🤖 Operating System | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| System version | Android 10 | Android 2.2 Froyo |
| Firmware update | Android 12 | Android 2.3.6 Gingerbread |
| User Interface | ZenUI 8 | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| Chipset | 64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm) | 32bit: Qualcomm Snapdragon S1 MSM7227 (65nm) |
| CPU | Octa-core, 3 processors: 1x 3.09GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | Qualcomm 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) | Galaxy 551 (GT-i5510) | |
| RAM memory | 8GB LPDDR5 | 512MB |
| Internal storage | 256GB (222GB available) UFS 3.1 | 512MB (173MB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 7.2 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 800/850/900/1700/1900/2100 | UMTS 900/2100 |
| Primary 4G network | LTE 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 network | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE 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 network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| Back camera (main camera) | (triple camera) 64 megapixels 12MP ultrawide f/2.2113°17mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAFOIS3x-optical-zoom | 3.1 megapixels |
| Main camera resolution | 10120x6328 pixels | 2048x1536 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | QVGA (320x240) 15 fps |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/1.72" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Not supported |
| Image stabilization | OIS: Optical stabilization | Not supported |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | Not supported |
| Camera extras | 4K@120fps 1080p@240fps 720p@480fps | feature not registered |
📸 Front camera | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| Front camera (secondary) | Uses the back motorized camera (flip-up/rotating) | Not supported |
| Front camera resolution | 10120x6328 pixels | Not supported |
| Video recording (secondary) | 8K UHD (7680x4320) | Not supported |
| Front flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/1.72" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| Loudspeaker | Stereo sound 24-bit/192kHz | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | 3GP, 3G2, MJPG, MP4, WMV, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 1200 mAh |
| Charger, watts | 30W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 5 hours |
| Standby | feature not registered | 370 hours (15.4 days) |
➕ Other features | ||
| Asus Zenfone 7 Pro (ZS671KS) | Galaxy 551 (GT-i5510) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Retractable 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) | Galaxy 551 (GT-i5510) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |