Samsung Galaxy A51 (SM-A515F/DSN) vs Samsung Galaxy A7 2018 (SM-A750FN/DS 64GB)
Side by side comparison between Samsung Galaxy A51 vs Samsung Galaxy A7 (2018) 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
4000
mAh
mAh
(Non removable)
vs
6"
AMOLED
AMOLED
1080x2220
24
MP
MP
24mp
4GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A51 (SM-A515F/DSN)
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!
15 Advantages 
5 Advantages | 36 Common items in both devices |
| eMMC 5.1 |
| Until 1TB microSD, microSDXC |
| Plastic body, glass front / Plastic body, glass front/back |
| Super AMOLED |
| 60Hz |
| 16 million |
| LED flash |
| +29 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 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| Model | Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) |
| Other model names | Samsung Galaxy A51 SM-A515F/DSN | Galaxy A7 SM-A750FN/Dual-Sim (64GB + 4GB RAM) NFC |
| Country or region available |      (Europe), (Global, International), United Arab Emirates, Pakistan, Taiwan | (Europe) |
| Brand | Samsung | Samsung |
| Release date | 12/16/2019, Announced: 12/12/2019 | 10/1/2018, Announced: 9/20/2018 |
| Depth | 7.9 millimeters (0.31 inches) | 7.5 millimeters (0.3 inches) |
| Size (width x height) | 73.6 x 158.5 millimeters (2.9 x 6.24 in) | 76.8 x 159.8 millimeters (3.02 x 6.29 in) |
| Weight | 172 grams (6.02 ounces) | 168 grams (5.88 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.5" inches | 6" inches |
| Screen-to-body ratio | ~87.4% (screen-to-body ratio) | ~74.4% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2220 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 405 PPI | 411 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Always-On Display | Always-On Display |
🤖 Operating System | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| System version | Android 10 | Android 8.0 Oreo |
| Firmware update | Android 13 | Android 10 |
| User Interface | One UI 2.5 / 3.1 / 4.1 / 5.0 | One UI 2.0 |
⚙️ Processor | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| Chipset | 64bit: Samsung Exynos 9611 (10nm) | 64bit: Samsung Exynos 7885 (14nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | ARM Mali-G72 MP3 (850MHz) | ARM Mali-G71 MP2 |
| Performance (benchmark) | feature not registered | AnTuTu: 123883 (v7) Geekbench: 4446 (v4.4) GFXBench: 5.7fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| RAM memory | 6GB LPDDR4X | 4GB LPDDR4X |
| Internal storage | 128GB (107GB available) eMMC 5.1 | 64GB (50GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 600/150 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| 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 850/900/1900/2100 |
| 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 Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| 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) 24 megapixels 8MP ultrawide f/2.418mm1/4"1.12µm 5MP depth f/2.2 |
| Main camera resolution | 8000x6000 pixels | 5656x4242 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm (lens) | 27mm (lens) |
| Sensor size | 1/2" inches | 1/2.8" inches |
| Pixel size | 0.8µm pixel | 0.9µm 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 | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@240fps slow motion 720p@960fps slow motion |
📸 Front camera | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| Front camera (secondary) | 32 megapixels | 24 megapixels |
| Front camera resolution | 6528x4896 pixels | 5656x4242 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/2.8" inches | 1/2.8" inches |
| Pixel size | 0.8µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) Dolby Atmos |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM |
| 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 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4000 mAh | 3300 mAh |
| Charger, watts | 15W Wired fast charging | 7.75W (5V/1.55A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 19 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| 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, Crush Black, White, Blue, Pink | • Colors: Black, Blue, Gold, Pink |
☢️ Radiation rate | ||
| Galaxy A51 (SM-A515F/DSN) | Galaxy A7 2018 (SM-A750FN/DS 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.369W/kg (head), 1.59W/kg (body) | 0.335W/kg (head), 1.425W/kg (body) |