NGM Explorer vs Motorola Primus (XT621)
Side by side comparison between NGM Explorer vs Motorola Primus phones, differences, pros, cons and full specifications. What's the better?
,
3.5"
TFT
TFT
320x480
5
MP
MP
0.3mp
512MB
RAM
RAM
Single-core
1780
mAh
mAh
(Removable)
vs
What's the better phone? Motorola Primus (XT621)
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!
7 Advantages 
12 Advantages | 22 Common items in both devices |
| Until 32GB microSD, microSDHC |
| TFT LCD |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| Android 2.3.6 Gingerbread |
| 3G HSUPA |
| +15 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 | ||
| NGM Explorer | Motorola Primus (XT621) | |
| Change model | ||
| Model | NGM Explorer | Primus (XT621) |
| Other model names | NGM Explorer Dual Sim, NGM WeMove Explorer | Nextel Motorola Primus XT621, Motorola XT621 Primus |
| Country or region available | feature not registered |   (Global, International), (Latin America) |
| Brand | NGM | Motorola |
| Release date | 7/1/2012 | 1/1/2013 |
| Depth | 18.2 millimeters (0.72 inches) | 12.3 millimeters (0.48 inches) |
| Size (width x height) | 65 x 126 millimeters (2.56 x 4.96 in) | 60 x 119 millimeters (2.36 x 4.69 in) |
| Weight | 212 grams (7.42 ounces) | 145 grams (5.08 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Waterproof (IP?) | Not supported |
📲 Display | ||
| NGM Explorer | Motorola Primus (XT621) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 3.5" inches | 4" inches |
| Screen-to-body ratio | ~44.5% (screen-to-body ratio) | ~63.8% (screen-to-body ratio) |
| Display resolution | 320x480 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 165 PPI | 233 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| NGM Explorer | Motorola Primus (XT621) | |
| System version | Android 2.3.6 Gingerbread | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| NGM Explorer | Motorola Primus (XT621) | |
| Chipset | 32bit: MediaTek MT6573T | 32bit: Qualcomm Snapdragon S2 MSM8255T (45nm) |
| CPU | Single-core, 1 processor: 1x 800MHz ARM11 (Single-core) | Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 205 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| NGM Explorer | Motorola Primus (XT621) | |
| RAM memory | 512MB | 1GB LPDDR2 |
| Internal storage | 512MB (256MB available) | 4GB (1GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| NGM Explorer | Motorola Primus (XT621) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 7.2 Mbps |
| Network technology | 2G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Tri-Band 900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | iDEN 800 UMTS 2100/1900/1700 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | iDEN, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | GSM 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 | ||
| NGM Explorer | Motorola Primus (XT621) | |
| 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 | Not supported |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | 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 | ||
| NGM Explorer | Motorola Primus (XT621) | |
| Front camera (secondary) | 0.3 megapixels | Not supported |
| Front camera resolution | 640x480 pixels | Not supported |
| 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 | ||
| NGM Explorer | Motorola Primus (XT621) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, AAC | MP3, WAV, AAC+ |
🔌 Connectivity | ||
| NGM Explorer | Motorola Primus (XT621) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| 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 [wifi3] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| NGM Explorer | Motorola Primus (XT621) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| NGM Explorer | Motorola Primus (XT621) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) BP7X |
| Battery capacity | 1780 mAh | 1860 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5 hours | feature not registered |
| Standby | 160 hours (6.7 days) | feature not registered |
➕ Other features | ||
| NGM Explorer | Motorola Primus (XT621) | |
| Call control | Voice recorder | Voice recorder |
| Messaging | SMS, 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 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Red on black, Yellow on black • 8GB microSD included • Swiftkey • WiFi hotspot • MIL-STD 810G certified • IP68 certified: dust proof and water resistant over 1m and 30min Java framework | • Colors: Black • Push-to-Talk (PTT) • WiFi hotspot Java framework |
☢️ Radiation rate | ||
| NGM Explorer | Motorola Primus (XT621) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.23W/kg (head), 0.42W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.489W/kg (body) | 0.73W/kg (head), 0.31W/kg (body) |