BlackBerry Bold Touch 9900 4G vs Blu Star 4.5 Design Edition (S451U)
Side by side comparison between BlackBerry Bold Touch 9900 4G vs Blu Star 4.5 Design Edition phones, differences, pros, cons and full specifications. What's the better?
,
vs
4.5"
IPS
IPS
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Quad-core
1700
mAh
mAh
(Removable)
What's the better phone? Blu Star 4.5 Design Edition (S451U)
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!
5 Advantages 
15 Advantages | 19 Common items in both devices |
| Until 32GB microSD, microSDHC |
| 16 million |
| (back) 5MP |
| LED flash |
| Only digital zoom |
| 3G+ HSPA+ |
| Capacitive |
| +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 | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| Change model | ||
| Model | Bold Touch 9900 4G | Star 4.5 Design Edition (S451U) |
| Other model names | T-Mobile BlackBerry Bold Touch 9900 4G | Blu Star 4.5 S451u, Blu S451u |
| Country or region available | feature not registered |  USA |
| Brand | BlackBerry | Blu |
| Release date | 9/1/2011 | 11/1/2014 |
| Depth | 10.5 millimeters (0.41 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 66 x 115 millimeters (2.6 x 4.53 in) | 64.3 x 127.7 millimeters (2.53 x 5.03 in) |
| Weight | 130 grams (4.55 ounces) | 133 grams (4.66 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 2.8" inches | 4.5" inches |
| Screen-to-body ratio | ~32% (screen-to-body ratio) | ~70.2% (screen-to-body ratio) |
| Display resolution | 640x480 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 286 PPI | 207 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 | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| System version | BlackBerry OS 7.0 | Android 4.4.2 KitKat |
| Firmware update | BlackBerry OS 7.1 | Android 5.0.2 Lollipop |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| Chipset | 32bit: Qualcomm Snapdragon MSM8255T | 32bit: MediaTek MT6582 |
| CPU | Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 205 | ARM Mali-400 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| RAM memory | 768MB LPDDR2 | 512MB LPDDR2 |
| Internal storage | 8GB (6.54GB available) | 4GB (2GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| 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 | 14.4/5.76 Mbps | 21/5.76 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 | UMTS 900/1700/2100 | UMTS 850/1700/1900 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| Back camera (main camera) | 5 megapixels | 5 megapixels |
| Main camera resolution | 2560x1920 pixels | 2592x1944 pixels |
| Video recording (primary) | HD (1280x720) 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 | Not supported | Autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| Front camera (secondary) | Not supported | 0.3 megapixels |
| Front camera resolution | Not supported | 640x480 pixels |
| Video recording (secondary) | Not supported | VGA (640x480) |
| 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 | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV, H.263, H.264 | MP4, H.264, H.263 |
| Audio formats | MP3, eAAC+, WMA | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + 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 | feature not registered | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1230 mAh | 1700 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5.9 hours | feature not registered |
| Standby | 307 hours (12.8 days) | feature not registered |
➕ Other features | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| 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 | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | feature not registered | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black, White • Optical trackpad • OpenGL 2.0 • Wi-Fi Mobile Hotspot • LBS • UMA • Java framework | • Colors: Black, White, Blue, Pink, Grey, Gold, Purple, Yellow • Leather in the back • Screen protector included • Silicon Case included • BLU Infinite View technology |
☢️ Radiation rate | ||
| BlackBerry Bold Touch 9900 4G | Blu Star 4.5 Design Edition (S451U) | |
| 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 |