Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB) vs Sony Ericsson Xperia mini (ST15a)
Side by side comparison between Samsung Galaxy M55 vs Sony Ericsson Xperia mini phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1080x2400
50
MP
MP
50mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
What's the better phone? Samsung Galaxy M55 (SM-M556B/DS 256GB/8GB)
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!
29 Advantages 
6 Advantages | 14 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| +7 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 M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| Model | Galaxy M55 (SM-M556B/DS 256GB/8GB) | Xperia mini (ST15a) |
| Other model names | Galaxy M55 5G SM-M556B/Dual-SIM | Sony Xperia mini ST15, Sony Ericsson Smultron |
| Country or region available |     (Global, International), Brazil, Colombia, Mexico |    (Latin America), Brazil, Canada, USA |
| Brand | Samsung | Sony Ericsson |
| Release date | 3/28/2024 | 8/1/2011 |
| Depth | 7.8 millimeters (0.31 inches) | 16 millimeters (0.63 inches) |
| Size (width x height) | 76.5 x 163.9 millimeters (3.01 x 6.45 in) | 52 x 88 millimeters (2.05 x 3.46 in) |
| Weight | 180 grams (6.3 ounces) | 99 grams (3.47 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| Display type | Super AMOLED | TFT LED-Backlit LCD |
| Screen size | 6.7" inches | 3" inches |
| Screen-to-body ratio | ~86.4% (screen-to-body ratio) | ~58.6% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 320x480 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 393 PPI | 192 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Scratch-resistant glass |
| Refresh rate | 120Hz | feature not registered |
| Display features | Always-On Display | feature not registered |
🤖 Operating System | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| System version | Android 14 | Android 2.3.3 Gingerbread |
| Firmware update | Android 15 | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | One UI 6.1 / 7.0 | feature not registered |
⚙️ Processor | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| Chipset | 64bit: Qualcomm Snapdragon 7 Gen 1 (SM7450-AB) (4nm) | 32bit: Qualcomm Snapdragon S2 MSM8255 |
| CPU | Octa-core, 3 processors: 1x 2.4GHz ARM Cortex-A710 (Single-core) 3x 2.36GHz ARM Cortex-A710 (Triple-core) 4x 1.8GHz ARM Cortex-A510 (Quad-core) | Single-core, 1 processor: 1x 1GHz Scorpion (Single-core) |
| GPU graphical controller | Qualcomm Adreno 644 (443MHz) | Qualcomm Adreno 205 |
| Performance (benchmark) | AnTuTu: 582102 (v10) | feature not registered |
💽 Memory and storage | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| RAM memory | 8GB LPDDR4X | 512MB LPDDR |
| Internal storage | 256GB (233GB available) UFS 2.2 | 1GB (320MB available) |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 7.2/5.76 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 850/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | Not supported |
📷 Camera | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| Back camera (main camera) | (triple camera) 50 megapixels 8MP ultrawide f/2.2123° 2MP macro f/2.4 | 5 megapixels |
| Main camera resolution | 8160x6120 pixels | 2592x1944 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | HD (1280x720) |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/1.56" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| 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 on both cameras | Not supported |
| Camera extras | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) | feature not registered |
📸 Front camera | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| Front camera (secondary) | 50 megapixels | Not supported |
| Front camera resolution | 8160x6120 pixels | Not supported |
| Video recording (secondary) | 4K UHD (3840x2160) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| Loudspeaker | Stereo sound | Supported |
| Active noise cancellation | 2 microphones | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Removable) EP500 |
| Battery capacity | 5000 mAh | 1200 mAh |
| Charger, watts | 45W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 4.5 hours |
| Standby | feature not registered | 320 hours (13.3 days) |
➕ Other features | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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 | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Dark Blue, Light Green | • Colors: Black, Pink, Blue, White • 2GB microSD included • Sony Ericsson UX platform • Sony Ericsson Timescape • Sony Ericsson PlayNow • Wi-Fi hotspot • Java framework |
☢️ Radiation rate | ||
| Galaxy M55 (SM-M556B/DS 256GB/8GB) | Sony Ericsson Xperia mini (ST15a) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.79W/kg (head), 1.09W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.96W/kg (head), 0.98W/kg (body) | 0.78W/kg (head) |