Samsung Galaxy S6 (SM-G920F 64GB) vs Samsung Galaxy A51 5G (SM-A516U)
Side by side comparison between Samsung Galaxy S6 vs Samsung Galaxy A51 5G phones, differences, pros, cons and full specifications. What's the better?
,
5.1"
AMOLED
AMOLED
1440x2560
16
MP
MP
5mp
3GB
RAM
RAM
Octa-core
2550
mAh
mAh
(Non removable)
vs
6.5"
AMOLED
AMOLED
1080x2400
48
MP
MP
32mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A51 5G (SM-A516U)
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!
12 Advantages 
18 Advantages | 25 Common items in both devices |
| Aluminum frame, glass front/back / Aluminum body, glass front, plastic back |
| Super AMOLED |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| +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 S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| Model | Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) |
| Other model names | Galaxy S6 64GB G920F, Samsung Zero F | Galaxy A51 SM-A516UZKAXAA (Unlocked) |
| Country or region available |   (Europe), (Global, International) |  USA |
| Brand | Samsung | Samsung |
| Release date | 4/10/2015 | 4/29/2020, Announced: 4/8/2020 |
| Depth | 6.8 millimeters (0.27 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 70.5 x 143.4 millimeters (2.78 x 5.65 in) | 73.6 x 158.9 millimeters (2.9 x 6.26 in) |
| Weight | 138 grams (4.83 ounces) | 187 grams (6.55 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.1" inches | 6.5" inches |
| Screen-to-body ratio | ~70.9% (screen-to-body ratio) | ~87.2% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 576 PPI | 405 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Always-On Display |
🤖 Operating System | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| System version | Android 5.0.2 Lollipop | Android 10 |
| Firmware update | Android 8.0 Oreo | Android 13 |
| User Interface | feature not registered | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| Chipset | 64bit: Samsung Exynos 7 Octa 7420 (14nm) | 64bit: Samsung Exynos 980 (8nm) |
| CPU | Octa-core, 2 processors: 4x 2.1GHz ARM Cortex-A57 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A77 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | ARM Mali-T760 MP8 | ARM Mali-G76 MP5 (728MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 316007 (v8) Geekbench: 1867(v5.1) GFXBench: 17fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| RAM memory | 3GB LPDDR4 | 6GB LPDDR4X |
| Internal storage | 64GB (54GB available) UFS 2.0 | 128GB (105GB available) UFS 2.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 2000/200 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) | LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (41, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| Back camera (main camera) | 16 megapixels | (quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm |
| Main camera resolution | 5312x2988 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/2.0 (aperture) |
| Focal length | 28mm lens | 26mm lens |
| Sensor size | 1/2.6" inches | 1/2" inches |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| Front camera (secondary) | 5 megapixels | 32 megapixels |
| Front camera resolution | 2592x1944 pixels | 6528x4896 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.9 (aperture) | f/2.2 (aperture) |
| Focal length | 22mm lens | 26mm lens |
| Sensor size | 1/4.1" inches | 1/2.8" inches |
| Pixel size | 1.34µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, DivX, XviD, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 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 | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Heart rate Proximity sensor SpO2 | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2550 mAh | 4500 mAh |
| Charger, watts | 15W Wired fast charging | 15W Wired fast charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | Not supported |
| Talk time autonomy | 17 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Black, White, Gold • Gorilla Glass 4 back panel • Samsung Pay (Visa, MasterCard certified) • S-Voice natural language • OneDrive 115GB • ANT+ | • Colors: Prism Cube Black, Prism Cube White, Prism Cube Pink |
☢️ Radiation rate | ||
| Galaxy S6 (SM-G920F 64GB) | Galaxy A51 5G (SM-A516U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.15W/kg (head), 1.16W/kg (body) | 1.18W/kg (head), 1.2W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.382W/kg (head), 0.499W/kg (body) | feature not registered |