Motorola Primus (XT621) vs Sony Xperia Miro (ST23i)
Side by side comparison between Motorola Primus vs Sony Xperia miro phones, differences, pros, cons and full specifications. What's the better?
,
vs
3.5"
LED
LED
320x480
5
MP
MP
0.3mp
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Non removable)
What's the better phone? Sony Xperia Miro (ST23i)
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!
8 Advantages 
12 Advantages | 21 Common items in both devices |
| Until 32GB microSD, microSDHC |
| 16 million |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| 3G HSUPA |
| 7.2 Mbps |
| +14 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) | Sony Xperia Miro (ST23i) | |
| Change model | ||
| Model | Primus (XT621) | Xperia Miro (ST23i) |
| Other model names | Nextel Motorola Primus XT621, Motorola XT621 Primus | Xperia miro ST23, ST23i, Sony Mesona |
| Country or region available |   (Global, International), (Latin America) | (Global, International) |
| Brand | Motorola | Sony |
| Release date | 1/1/2013 | 9/1/2012, Announced: 6/29/2012 |
| Depth | 12.3 millimeters (0.48 inches) | 9.9 millimeters (0.39 inches) |
| Size (width x height) | 60 x 119 millimeters (2.36 x 4.69 in) | 59.4 x 113 millimeters (2.34 x 4.45 in) |
| Weight | 145 grams (5.08 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 | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| Display type | TFT LCD | TFT LED-Backlit LCD |
| Screen size | 4" inches | 3.5" inches |
| Screen-to-body ratio | ~63.8% (screen-to-body ratio) | ~54.3% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 320x480 pixels (3:2) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 2-points |
| Pixel density (dot pitch) | 233 PPI | 165 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Scratch-resistant glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Anti-reflective coating screen |
🤖 Operating System | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| System version | Android 2.3.6 Gingerbread | Android 4.0.3 Ice Cream Sandwich ICS |
| Firmware update | feature not registered | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| Chipset | 32bit: Qualcomm Snapdragon S2 MSM8255T (45nm) | 32bit: Qualcomm Snapdragon S1 MSM7225A |
| CPU | Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core) | Single-core, 1 processor: 1x 800MHz ARM Cortex-A5 (Single-core) |
| GPU graphical controller | Qualcomm Adreno 205 | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| RAM memory | 1GB LPDDR2 | 512MB LPDDR |
| Internal storage | 4GB (1GB available) | 4GB (2.2GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2 Mbps | 7.2/5.76 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 900/2100 |
| 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 |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | VGA (640x480) 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 | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| Front camera (secondary) | Not supported | 0.3 megapixels |
| Front camera resolution | Not supported | 640x480 pixels |
| Video recording (secondary) | Not supported | Not supported |
| 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) | Sony Xperia Miro (ST23i) | |
| Loudspeaker | Supported | Mono sound (not stereo) Sony xLOUD |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.263, H.264 |
| Audio formats | MP3, WAV, AAC+ | MP3, eAAC+, WAV |
🔌 Connectivity | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| 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 | 2.1 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi 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) | Sony Xperia Miro (ST23i) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| Battery type | Li-Ion: lithium-ion (Removable) BP7X | Li-Ion: lithium-ion (Non removable) BA700 |
| Battery capacity | 1860 mAh | 1500 mAh |
| Charger, watts | Wired charging | 5W Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 6 hours |
| Standby | feature not registered | 545 hours (22.7 days) |
➕ Other features | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| Call control | 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 | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML, HTML5, Flash player |
| 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, Pink, White with silver, White with gold Java framework |
☢️ Radiation rate | ||
| Motorola Primus (XT621) | Sony Xperia Miro (ST23i) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.23W/kg (head), 0.42W/kg (body) | 1.25W/kg (head), 0.91W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.73W/kg (head), 0.31W/kg (body) | 0.87W/kg (head) |