Blu Star 4.5 Design Edition (S451U) vs LG Logos (US550)
Side by side comparison between Blu Star 4.5 Design Edition vs LG Logos phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
IPS
IPS
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Quad-core
1700
mAh
mAh
(Removable)
vs
4.7"
IPS
IPS
720x1280
5
MP
MP
1mp
1GB
RAM
RAM
Quad-core
2100
mAh
mAh
(Removable)
What's the better phone? LG Logos (US550)
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 IPS LCD |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| Autofocus |
| Full HD (1920x1080) |
| +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 | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| Model | Star 4.5 Design Edition (S451U) | Logos (US550) |
| Other model names | Blu Star 4.5 S451u, Blu S451u | US Cellular LG Logos LTE, U.S. Cellular LG US550, LG C70 |
| Country or region available |  USA | USA |
| Brand | Blu | LG |
| Release date | 11/1/2014 | 5/1/2015 |
| Depth | 9.1 millimeters (0.36 inches) | 9.9 millimeters (0.39 inches) |
| Size (width x height) | 64.3 x 127.7 millimeters (2.53 x 5.03 in) | 66.04 x 133.1 millimeters (2.6 x 5.24 in) |
| Weight | 133 grams (4.66 ounces) | 118 grams (4.13 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 4.5" inches | 4.7" inches |
| Screen-to-body ratio | ~70.2% (screen-to-body ratio) | ~69.3% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 207 PPI | 312 PPI |
| Colors | 16 million | 260 thousand |
| 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 | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| System version | Android 4.4.2 KitKat | Android 5.0.1 Lollipop |
| Firmware update | Android 5.0.2 Lollipop | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| Chipset | 32bit: MediaTek MT6582 | 64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-400 | Qualcomm Adreno 306 (450MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| RAM memory | 512MB LPDDR2 | 1GB |
| Internal storage | 4GB (2GB available) | 8GB (4GB available) eMMC 4.5 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900 |
| Primary 3G network | UMTS 850/1700/1900 | CDMA2000 1xEV-DO |
| Primary 4G network | Not supported | LTE Cat4 700/850 (Bands 5,12) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | CDMA2000 EV-DO Rev A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2592x1944 pixels | 2560x1920 pixels |
| Video recording (primary) | Full HD (1920x1080) 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 | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| Front camera (secondary) | 0.3 megapixels | 1 megapixels |
| Front camera resolution | 640x480 pixels | 1280x720 pixels |
| Video recording (secondary) | VGA (640x480) | HD (1280x720) |
| 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 | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| Loudspeaker | Supported | Supported |
| 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.264, H.263 |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| 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 | 4.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1700 mAh | 2100 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 14 hours |
| Standby | feature not registered | 456 hours (19 days) |
➕ Other features | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| Call control | Voice dialing, 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 | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Blue, Pink, Grey, Gold, Purple, Yellow • Leather in the back • Screen protector included • Silicon Case included • BLU Infinite View technology | • Colors: Black • LG UX • Knock Code, QuickMemo • WiFi hotspot |
☢️ Radiation rate | ||
| Blu Star 4.5 Design Edition (S451U) | LG Logos (US550) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |