Sony Xperia X Compact (F5321) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Side by side comparison between Sony Xperia X Compact vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?
,
4.6"
IPS
IPS
720x1280
23
MP
MP
5mp
3GB
RAM
RAM
Hexa-core
2700
mAh
mAh
(Non removable)
vs
6.5"
AMOLED
AMOLED
1080x2400
48
MP
MP
32mp
6GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A51 (SM-A515F/DSM 128GB)
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!
6 Advantages 
22 Advantages | 25 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| f/2.0 (aperture) |
| 4G LTE-A |
| Capacitive |
| +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 | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| Change model | ||
| Model | Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) |
| Other model names | Sony Xperia X Compact Single-Sim, Sony Kugo SS | Samsung Galaxy A51 SM-A515F/DSM |
| Country or region available |  (Global, International) |   Kazakhstan, Russia |
| Brand | Sony | Samsung |
| Release date | 9/25/2016 | 12/16/2019, Announced: 12/12/2019 |
| Depth | 9.5 millimeters (0.37 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 65 x 129 millimeters (2.56 x 5.08 in) | 73.6 x 158.5 millimeters (2.9 x 6.24 in) |
| Weight | 135 grams (4.73 ounces) | 172 grams (6.02 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 4.6" inches | 6.5" inches |
| Screen-to-body ratio | ~69.6% (screen-to-body ratio) | ~87.4% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 319 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 | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| System version | Android 6.0.1 Marshmallow | Android 10 |
| Firmware update | Android 7.0 Nougat | Android 13 |
| User Interface | feature not registered | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 650 MSM8956 (28nm) | 64bit: Samsung Exynos 9611 (10nm) |
| CPU | Hexa-core, 2 processors: 2x 1.8GHz ARM Cortex-A72 (Dual-core) 4x 1.4GHz ARM Cortex-A53 (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 510 600Mhz | ARM Mali-G72 MP3 (850MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| RAM memory | 3GB LPDDR3 | 6GB LPDDR4X |
| Internal storage | 32GB (22GB available) | 128GB (107GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| 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 | 300/50 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 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,12,17,19,20,26,28) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) | 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, LTE-A | 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 X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| Back camera (main camera) | 23 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 | 5536x4152 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 60 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 | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | 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 only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| Front camera (secondary) | 5 megapixels | 32 megapixels |
| Front camera resolution | 2592x1944 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 X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| 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 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| USB | USB 2.0 Type-C reversible connector | 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 | 4.2 + 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, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2700 mAh | 4000 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 14 hours | feature not registered |
| Standby | 750 hours (31.3 days) | feature not registered |
➕ Other features | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| 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, Mist Blue • USB OTG On-The-Go • Triluminos 2.5D curved display • Oleophobic coating • Fingerprint sensor • PDAF on back camera • Sony Exmor RS on back camera • Sony Exmor R on front camera • Fast battery charging • Quick Charge 3.0 • Sony ClearAudio+ • PS4 integration | • Colors: Prism, Crush Black, White, Blue, Pink |
☢️ Radiation rate | ||
| Sony Xperia X Compact (F5321) | Galaxy A51 (SM-A515F/DSM 128GB) | |
| 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) |