Samsung Galaxy S Lightray 4G (SCH-R940) vs Blu Studio J8M (S0430WW)
Side by side comparison between Samsung Galaxy S Lightray vs Blu Studio J8M phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
AMOLED
AMOLED
480x800
8
MP
MP
1.3mp
512MB
RAM
RAM
Single-core
1600
mAh
mAh
(Removable)
vs
5"
IPS
IPS
720x1280
8
MP
MP
5mp
2GB
RAM
RAM
Quad-core
2000
mAh
mAh
(Non removable)
What's the better phone? Blu Studio J8M (S0430WW)
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!
2 Advantages 
21 Advantages | 19 Common items in both devices |
| 16 million |
| (back) 8MP |
| Only digital zoom |
| Autofocus |
| EIS: Digital stabilization |
| HD (1280x720) |
| 4G LTE |
| +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 S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| Change model | ||
| Model | Galaxy S Lightray 4G (SCH-R940) | Studio J8M (S0430WW) |
| Other model names | MetroPCS Samsung Galaxy S Lightray 4G R940, Samsung Stealth | Blu Studio J8M LTE S0430WW, S0450WW |
| Country or region available |  USA |  (Global, International) |
| Brand | Samsung | Blu |
| Release date | 8/3/2012 | 2/1/2018 |
| Depth | 11.7 millimeters (0.46 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 68 x 130 millimeters (2.68 x 5.12 in) | 72 x 145 millimeters (2.83 x 5.71 in) |
| Weight | 142 grams (4.97 ounces) | 140 grams (4.9 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| Display type | Super AMOLED Plus | TFT IPS LCD |
| Screen size | 4.3" inches | 5" inches |
| Screen-to-body ratio | ~59.5% (screen-to-body ratio) | ~66% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 217 PPI | 294 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| System version | Android 2.3.7 Gingerbread | Android 7.0 Nougat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| Chipset | 32bit: Samsung Exynos 3210 | 64bit: MediaTek MT6737 (28nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR SGX540 | ARM Mali-T720 MP2 550Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| RAM memory | 512MB LPDDR2 | 2GB LPDDR3 |
| Internal storage | 2GB (1.39GB available) | 16GB (9GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| 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 | 75/25 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1700/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO | UMTS 850/1700/1900/2100 |
| Primary 4G network | LTE Cat2 (Bands 2, 4) | LTE Cat4 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,12,17,28) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| Back camera (main camera) | 8 megapixels | 8 megapixels |
| Main camera resolution | 3264x2448 pixels | 3264x2448 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| 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 | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face 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 | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| Front camera (secondary) | 1.3 megapixels | 5 megapixels |
| Front camera resolution | 1280x1024 pixels | 2560x1920 pixels |
| Video recording (secondary) | VGA (640x480) | HD (1280x720) |
| Front flash | Not supported | LED |
| 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 S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro HDMI Type D | Not supported |
| Bluetooth | 3.0 + 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 | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Fingerprint sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1600 mAh | 2000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 3.5 hours | 14 hours |
| Standby | 200 hours (8.3 days) | 500 hours (20.8 days) |
➕ Other features | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (Swype), 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • 16GB microSD included • Samsung TouchWiz 4.0 UI • HDMI 1.4 • HAC M4/T4 • WiFi hotspot Java framework | • Colors: Black, Gold • Screen protector included • Silicon case included |
☢️ Radiation rate | ||
| Galaxy S Lightray 4G (SCH-R940) | Blu Studio J8M (S0430WW) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.95W/kg (head), 0.82W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |