Samsung Galaxy A51 5G (SM-A516U) vs Sony Xperia Z2 (3G)
Side by side comparison between Samsung Galaxy A51 5G vs Sony Xperia Z2 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
5.2"
IPS
IPS
1080x1920
20.7
MP
MP
2.1mp
3GB
RAM
RAM
Quad-core
3200
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!
21 Advantages 
7 Advantages | 22 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| f/2.0 (aperture) |
| 4K UHD (3840x2160) |
| +15 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-A516U) | Sony Xperia Z2 (3G) | |
| Model | Galaxy A51 5G (SM-A516U) | Xperia Z2 (3G) |
| Other model names | Galaxy A51 SM-A516UZKAXAA (Unlocked) | Sony Xperia Z2 D6502 L50w, Sony Xperia Z2 HSPA, Sony Sirius |
| Country or region available |  USA | feature not registered |
| Brand | Samsung | Sony |
| Release date | 4/29/2020, Announced: 4/8/2020 | 3/1/2014 |
| Depth | 8.7 millimeters (0.34 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 73.6 x 158.9 millimeters (2.9 x 6.26 in) | 73.3 x 146.8 millimeters (2.89 x 5.78 in) |
| Weight | 187 grams (6.55 ounces) | 163 grams (5.71 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | feature not registered |
| Protection against water and others | Not supported | Waterproof (IP?) |
📲 Display | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6.5" inches | 5.2" inches |
| Screen-to-body ratio | ~87.2% (screen-to-body ratio) | ~69.3% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 405 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Scratch-resistant glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Always-On Display | feature not registered |
🤖 Operating System | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| System version | Android 10 | Android 4.4.2 KitKat |
| Firmware update | Android 13 | Android 6.0.1 Marshmallow |
| User Interface | One UI 2.5 / 3.1 / 4.1 / 5.0 | feature not registered |
⚙️ Processor | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| Chipset | 64bit: Samsung Exynos 980 (8nm) | 32bit: Qualcomm Snapdragon 801 MSM8974-AB (28nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A77 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Quad-core, 1 processor: 4x 2.3GHz Krait 400 (Quad-core) |
| GPU graphical controller | ARM Mali-G76 MP5 (728MHz) | Qualcomm Adreno 330 578Mhz |
| 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-A516U) | Sony Xperia Z2 (3G) | |
| RAM memory | 6GB LPDDR4X | 3GB LPDDR3 |
| Internal storage | 128GB (105GB available) UFS 2.1 | 16GB (12GB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 2000/200 Mbps | 42/5.76 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 850/900/1700/1900/2100 | UMTS 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 | Not supported |
| Primary 5G network | SA/NSA/Sub6 (41, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| 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 | 20.7 megapixels |
| Main camera resolution | 8000x6000 pixels | 5248x3936 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2" inches | 1/2.3" inches |
| Pixel size | 0.8µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus | 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/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| Front camera (secondary) | 32 megapixels | 2.1 megapixels |
| Front camera resolution | 6528x4896 pixels | 1920x1080 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, XviD, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL-2 |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| 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) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4500 mAh | 3200 mAh |
| Charger, watts | 15W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 19 hours |
| Standby | feature not registered | 740 hours (30.8 days) |
➕ Other features | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| 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 Cube Black, Prism Cube White, Prism Cube Pink | • Colors: Black, White, Purple • USB OTG On-The-Go • Sony Mobile BRAVIA Engine 3 X-Reality • Sony TRILUMINOS display • 3D Surround Sound • Sony Clear Audio+ • HD Voice • Miracast • ANT+ support • IP58 certified: dust proof and water resistant over 1m and 30min • Java framework |
☢️ Radiation rate | ||
| Galaxy A51 5G (SM-A516U) | Sony Xperia Z2 (3G) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.18W/kg (head), 1.2W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |