Samsung Galaxy J7 2018 (SM-J737A) vs Motorola Primus (XT621)
Side by side comparison between Samsung Galaxy J7 (2018) vs Motorola Primus phones, differences, pros, cons and full specifications. What's the better?
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5.5"
TFT
TFT
720x1280
13
MP
MP
13mp
2GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
What's the better phone? Samsung Galaxy J7 2018 (SM-J737A)
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!
27 Advantages 
3 Advantages | 15 Common items in both devices |
| TFT LCD |
| 16 million |
| LED flash |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| +8 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 J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| Model | Galaxy J7 2018 (SM-J737A) | Primus (XT621) |
| Other model names | Galaxy J7 (AT&T) SM-J737AZKAATT | Nextel Motorola Primus XT621, Motorola XT621 Primus |
| Country or region available |  USA |   (Global, International), (Latin America) |
| Brand | Samsung | Motorola |
| Release date | 7/1/2018, Announced: 6/25/2018 | 1/1/2013 |
| Depth | 8.6 millimeters (0.34 inches) | 12.3 millimeters (0.48 inches) |
| Size (width x height) | 76.2 x 153.2 millimeters (3 x 6.03 in) | 60 x 119 millimeters (2.36 x 4.69 in) |
| Weight | 181 grams (6.34 ounces) | 145 grams (5.08 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 5.5" inches | 4" inches |
| Screen-to-body ratio | ~71.4% (screen-to-body ratio) | ~63.8% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| System version | Android 8.0 Oreo | Android 2.3.6 Gingerbread |
| Firmware update | Android 9.0 Pie | feature not registered |
| User Interface | One UI | feature not registered |
⚙️ Processor | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| Chipset | 64bit: Samsung Exynos 7870 (14nm) | 32bit: Qualcomm Snapdragon S2 MSM8255T (45nm) |
| CPU | Octa-core, 1 processor: 8x 1.6GHz ARM Cortex-A53 (Octa-core) | Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core) |
| GPU graphical controller | ARM Mali-T830 MP1 (700MHz) | Qualcomm Adreno 205 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| RAM memory | 2GB LPDDR3 | 1GB LPDDR2 |
| Internal storage | 16GB (10GB available) eMMC 5.1 | 4GB (1GB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/50 Mbps | 7.2 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/1900/2100 | iDEN 800 UMTS 2100/1900/1700 |
| Primary 4G network | LTE Cat6 (2, 3, 4, 5, 7, 12, 14) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | iDEN, 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 | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| Back camera (main camera) | 13 megapixels | 5 megapixels |
| Main camera resolution | 4128x3096 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (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 |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | Not supported |
| 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 on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| Front camera (secondary) | 13 megapixels | Not supported |
| Front camera resolution | 4128x3096 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (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 J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, AAC+ |
🔌 Connectivity | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Gyroscope Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) BP7X |
| Battery capacity | 3300 mAh | 1860 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 31 hours (1.3 days) | feature not registered |
| Standby | 768 hours (32 days) | feature not registered |
➕ Other features | ||
| Galaxy J7 2018 (SM-J737A) | Motorola Primus (XT621) | |
| 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: Black, Blue, Gold | • Colors: Black • Push-to-Talk (PTT) • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Galaxy J7 2018 (SM-J737A) | 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.) | feature not registered | 0.73W/kg (head), 0.31W/kg (body) |