Sony Xperia Z2 (4G LTE) vs Samsung Galaxy A51 (SM-A515F/DSM 64GB)
Side by side comparison between Sony Xperia Z2 vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?
,
5.2"
IPS
IPS
1080x1920
20.7
MP
MP
2.1mp
3GB
RAM
RAM
Quad-core
3200
mAh
mAh
(Non removable)
vs
6.5"
AMOLED
AMOLED
1080x2400
48
MP
MP
32mp
4GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A51 (SM-A515F/DSM 64GB)
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 
22 Advantages | 22 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection 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 | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Model | Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) |
| Other model names | Sony Xperia Z2 D6503 LTE, Sony D6503, Sony Sirius Viv | Samsung Galaxy A51 SM-A515F/DSM |
| Country or region available | feature not registered |   Kazakhstan, Russia |
| Brand | Sony | Samsung |
| Release date | 3/1/2014 | 12/16/2019, Announced: 12/12/2019 |
| Depth | 8.2 millimeters (0.32 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 73.3 x 146.8 millimeters (2.89 x 5.78 in) | 73.6 x 158.5 millimeters (2.9 x 6.24 in) |
| Weight | 163 grams (5.71 ounces) | 172 grams (6.02 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Waterproof (IP?) | Not supported |
📲 Display | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5.2" inches | 6.5" inches |
| Screen-to-body ratio | ~69.3% (screen-to-body ratio) | ~87.4% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 405 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Always-On Display |
🤖 Operating System | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| System version | Android 4.4.2 KitKat | Android 10 |
| Firmware update | Android 6.0.1 Marshmallow | Android 13 |
| User Interface | feature not registered | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 801 MSM8974-AB (28nm) | 64bit: Samsung Exynos 9611 (10nm) |
| CPU | Quad-core, 1 processor: 4x 2.3GHz Krait 400 (Quad-core) | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 330 578Mhz | ARM Mali-G72 MP3 (850MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 113051 (v7), 175363 (v8) Geekbench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| RAM memory | 3GB LPDDR3 | 4GB LPDDR4X |
| Internal storage | 16GB (12GB available) | 64GB (48GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 600/150 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 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,13,17,20) | 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 | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Back camera (main camera) | 20.7 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 | 5248x3936 pixels | 8000x6000 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 | feature not registered | 26mm lens |
| Sensor size | 1/2.3" inches | 1/2" inches |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
| Autofocus | 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/video only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Front camera (secondary) | 2.1 megapixels | 32 megapixels |
| Front camera resolution | 1920x1080 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| 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, XviD, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL-2 | Not supported |
| Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) 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 | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3200 mAh | 4000 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 19 hours | feature not registered |
| Standby | 740 hours (30.8 days) | feature not registered |
➕ Other features | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 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: 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 | • Colors: Prism, Crush Black, White, Blue, Pink |
☢️ Radiation rate | ||
| Sony Xperia Z2 (4G LTE) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.369W/kg (head), 1.59W/kg (body) |