Samsung Galaxy Core 2 Duos (SM-G355M/DS) vs Sony Xperia U (ST25a)
Side by side comparison between Samsung Galaxy Core 2 vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
TFT
TFT
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Quad-core
2000
mAh
mAh
(Removable)
vs
3.5"
LED
LED
480x854
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1320
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy Core 2 Duos (SM-G355M/DS)
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!
19 Common items in both devices |
512MB LPDDR2 |
(back) 5MP |
LED flash |
Only digital zoom |
Autofocus |
(front) 0.3MP |
(front) VGA (640x480) |
+12 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 Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
Model | Galaxy Core 2 Duos (SM-G355M/DS) | Xperia U (ST25a) |
Other model names | Samsung Galaxy Core II SM-G355M/Dual-Sim | Sony Xperia U ST25, Sony Kumquat |
Country or region available | feature not registered | (Latin America), Brazil, Canada, USA |
Brand | Samsung | Sony |
Release date | 5/20/2014 | 5/7/2012 |
Depth | 9.8 millimeters (0.39 inches) | 12 millimeters (0.47 inches) |
Size (width x height) | 68 x 130.3 millimeters (2.68 x 5.13 in) | 54 x 112 millimeters (2.13 x 4.41 in) |
Weight | 138 grams (4.83 ounces) | 110 grams (3.85 ounces) |
Build, materials | feature not registered | Plastic body, glass front |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
Display type | TFT LCD | TFT LED-Backlit LCD |
Screen size | 4.5" inches | 3.5" inches |
Screen-to-body ratio | ~65.1% (screen-to-body ratio) | ~55.8% (screen-to-body ratio) |
Display resolution | 480x800 pixels | 480x854 pixels (16:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch 4-points |
Pixel density (dot pitch) | 207 PPI | 280 PPI |
Colors | 260 thousand | 16 million |
Scratch-resistant glass | Not supported | Scratch-resistant glass |
Refresh rate | feature not registered | 60Hz |
Display features | feature not registered | Not supported |
🤖 Operating System | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
System version | Android 4.4.2 KitKat | Android 2.3.7 Gingerbread |
Firmware update | feature not registered | Android 4.0.4 Ice Cream Sandwich ICS |
User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
Chipset | 32bit | 32bit: ST-Ericsson NovaThor U8500 (45nm) |
CPU | Quad-core, 1 processor: 4x 1.2GHz | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
GPU graphical controller | feature not registered | ARM Mali-400 MP1 |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
RAM memory | 512MB LPDDR2 | 512MB LPDDR2 |
Internal storage | 4GB (2GB available) | 8GB (4GB available) |
External storage | Until 64GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
Maximum Download / Upload | 21/5.76 Mbps | 14.4/5.76 Mbps |
Network technology | 2G, 3G | 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 850/2100 | UMTS 850/1900/2100 |
Primary 4G network | Not supported | Not supported |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA |
Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
Secondary 3G network | Not supported | Not supported |
Secondary 4G network | Not supported | Not supported |
Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
Back camera (main camera) | 5 megapixels | 5 megapixels |
Main camera resolution | 2592x1944 pixels | 2592x1944 pixels |
Video recording (primary) | VGA (720x480) 30 fps | HD (1280x720) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | feature not registered | 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 |
Autofocus | Autofocus | 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 | Not supported | Not supported |
HDR | HDR photo only main camera | Not supported |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
Front camera (secondary) | 0.3 megapixels | 0.3 megapixels |
Front camera resolution | 640x480 pixels | 640x480 pixels |
Video recording (secondary) | VGA (640x480) | VGA (640x480) |
Front flash | Not supported | Not supported |
Focal aperture | feature not registered | 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 Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
Loudspeaker | Supported | Supported |
Active noise cancellation | Not supported | 2 microphones or more |
Radio | FM (RDS) | FM (RDS) |
TV | Not supported | Not supported |
Video formats | MP4, H.264, H.263, WMV | MP4, H.263, H.264, WMV |
Audio formats | MP3, WAV, eAAC+, FLAC | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
Audio output | 3.5mm jack | 3.5mm jack |
TV output | Not supported | Not supported |
Bluetooth | 4.0 + A2DP | 2.1 + A2DP |
WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
DLNA | Not supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
NFC | Not supported | Not supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) BA600 |
Battery capacity | 2000 mAh | 1320 mAh |
Charger, watts | Wired charging | Wired charging |
Inductive / wireless charging | feature not registered | Not supported |
Talk time autonomy | feature not registered | 5.6 hours |
Standby | feature not registered | 472 hours (19.7 days) |
➕ Other features | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
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, Flash player |
Antenna | Internal antenna | Internal antenna |
Qwerty physical keyboard | Not supported | Not supported |
Miscellaneous | • Colors: Black, White • Samsung TouchWiz UI • Nature UX 2.0 • Java framework | • Colors: Black, White • Exchangeable bottom caps: White, Black, Pink, Yellow • Sony Reality Display • Sony Mobile BRAVIA Engine • xLoud • 3D surround sound • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
Galaxy Core 2 Duos (SM-G355M/DS) | Sony Xperia U (ST25a) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.293W/kg (head), 0.98W/kg (body) | 1.09W/kg (head), 0.93W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.425W/kg (head), 0.451W/kg (body) | 1.62W/kg (head) |