Samsung Galaxy A51 5G (SM-A516N) vs Asus Zenfone 7 (ZS670KS 128GB/6GB)
Side by side comparison between Samsung Galaxy A51 5G vs Asus Zenfone 7 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
AMOLED
AMOLED
1080x2400
48
MP
MP
32mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
64mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 7 (ZS670KS 128GB/6GB)
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!
7 Advantages 
20 Advantages | 25 Common items in both devices |
| 128GB (105GB available) / 128GB (104GB available) |
| Until 1TB microSD, microSDXC |
| Aluminum body, glass front, plastic back / Aluminum frame, glass front/back |
| Super AMOLED |
| 16 million |
| 1080x2400 pixels |
| PDAF: phase detection autofocus |
| +18 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 | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| Model | Galaxy A51 5G (SM-A516N) | Zenfone 7 (ZS670KS 128GB/6GB) |
| Other model names | 갤럭시 A51 5G SM-A516NZWMKOO | Asus Zenfone 7 ZS670KS, ASUS_I002D, I002D (6GB RAM) |
| Country or region available |  South Korea |  (Global, International) |
| Brand | Samsung | Asus |
| Release date | 4/29/2020, Announced: 4/8/2020 | 9/1/2020, Announced: 8/26/2020 |
| Depth | 8.7 millimeters (0.34 inches) | 9.6 millimeters (0.38 inches) |
| Size (width x height) | 73.6 x 158.9 millimeters (2.9 x 6.26 in) | 77.3 x 165.1 millimeters (3.04 x 6.5 in) |
| Weight | 187 grams (6.55 ounces) | 235 grams (8.23 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.5" inches | 6.67" inches |
| Screen-to-body ratio | ~87.2% (screen-to-body ratio) | ~84.2% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 405 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 6 |
| Refresh rate | 60Hz | 90Hz |
| Display features | Always-On Display | 700nits[peak] HDR10+ |
🤖 Operating System | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| System version | Android 10 | Android 10 |
| Firmware update | Android 13 | Android 12 |
| User Interface | One UI 2.5 / 3.1 / 4.1 / 5.0 | ZenUI 8 |
⚙️ Processor | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| Chipset | 64bit: Samsung Exynos 980 (8nm) | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A77 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
| GPU graphical controller | ARM Mali-G76 MP5 (728MHz) | Qualcomm Adreno 650 (250-587MHz) |
| Performance (benchmark) | AnTuTu: 316007 (v8) Geekbench: 1867(v5.1) GFXBench: 17fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| RAM memory | 6GB LPDDR4X | 6GB LPDDR5 |
| Internal storage | 128GB (105GB available) UFS 2.1 | 128GB (104GB available) UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/200 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G, 5G |
| 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 850/900/1700/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE |
| Primary 5G network | SA/NSA/Sub6 (78) | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| Back camera (main camera) | (quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm | (triple camera) 64 megapixels 12MP ultrawide f/2.2113°17mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom |
| Main camera resolution | 8000x6000 pixels | 10120x6328 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2" inches | 1/1.72" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@120fps 1080p@240fps 720p@480fps |
📸 Front camera | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| Front camera (secondary) | 32 megapixels | Uses the back motorized camera (flip-up/rotating) |
| Front camera resolution | 6528x4896 pixels | 10120x6328 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 8K UHD (7680x4320) |
| Front flash | Not supported | Dual-LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2.8" inches | 1/1.72" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| Loudspeaker | Supported | Stereo sound 24-bit/192kHz |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.1 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4500 mAh | 5000 mAh |
| Charger, watts | 15W Wired fast charging | 30W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| Call control | Voice dialing, Voice recorder | 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 | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Prism Cube Black, Prism Cube White, Prism Cube Pink | • Colors: Aurora Black, Pastel White • Silicon case included |
☢️ Radiation rate | ||
| Galaxy A51 5G (SM-A516N) | Asus Zenfone 7 (ZS670KS 128GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.497W/kg (head), 1.22W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |