Motorola Primus (XT621) vs Samsung Galaxy S3 Slim Duos (SM-G3812B)
Side by side comparison between Motorola Primus vs Samsung Galaxy S3 Slim phones, differences, pros, cons and full specifications. What's the better?
,
vs
4.5"
TFT
TFT
540x960
5
MP
MP
0.3mp
1GB
RAM
RAM
Quad-core
2100
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy S3 Slim Duos (SM-G3812B)
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!
1 Advantage 
22 Advantages | 20 Common items in both devices |
| 1GB LPDDR2 |
| Until 32GB microSD, microSDHC |
| TFT LCD |
| 16 million |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| +13 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 | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Change model | ||
| Model | Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) |
| Other model names | Nextel Motorola Primus XT621, Motorola XT621 Primus | Galaxy S3 Slim G3812B, Samsung Galaxy Win Pro |
| Country or region available |   (Global, International), (Latin America) |  Brazil |
| Brand | Motorola | Samsung |
| Release date | 1/1/2013 | 3/1/2014 |
| Depth | 12.3 millimeters (0.48 inches) | 9.7 millimeters (0.38 inches) |
| Size (width x height) | 60 x 119 millimeters (2.36 x 4.69 in) | 66 x 133 millimeters (2.6 x 5.24 in) |
| Weight | 145 grams (5.08 ounces) | 139 grams (4.87 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 4" inches | 4.5" inches |
| Screen-to-body ratio | ~63.8% (screen-to-body ratio) | ~63.6% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 540x960 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 245 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| System version | Android 2.3.6 Gingerbread | Android 4.2.2 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | TouchWiz UX |
⚙️ Processor | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Chipset | 32bit: Qualcomm Snapdragon S2 MSM8255T (45nm) | 32bit: Qualcomm Snapdragon 200 (MSM8225Q) (45nm) |
| CPU | Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A5 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 205 | Qualcomm Adreno 203 (400MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| RAM memory | 1GB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 4GB (1GB available) | 8GB (5GB available) eMMC 4.5 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 7.2 Mbps | 21/5.76 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 | iDEN 800 UMTS 2100/1900/1700 | UMTS 850/1900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | iDEN, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 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 | Not supported | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | Not supported | 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 | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Front camera (secondary) | Not supported | 0.3 megapixels |
| Front camera resolution | Not supported | 640x480 pixels |
| Video recording (secondary) | Not supported | 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 | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | Not supported | 1 microphone |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, AAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Battery type | Li-Ion: lithium-ion (Removable) BP7X | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1860 mAh | 2100 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| Call control | 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 | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Push-to-Talk (PTT) • WiFi hotspot • Java framework | • Colors: Black, White • Java framework |
☢️ Radiation rate | ||
| Motorola Primus (XT621) | Galaxy S3 Slim Duos (SM-G3812B) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.23W/kg (head), 0.42W/kg (body) | 0.61W/kg (head), 1.13W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.73W/kg (head), 0.31W/kg (body) | 0.553W/kg (head), 0.395W/kg (body) |