Apple iPad Air 2 (4G 64GB) vs Blu Star 4.5 Design Edition (S451U)
Side by side comparison between Apple iPad Air 2 vs Blu Star 4.5 Design Edition devices, differences, pros, cons and full specifications. What's the better?
,
9.7"
IPS
IPS
1536x2048
8
MP
MP
1.2mp
2GB
RAM
RAM
Triple-core
7340
mAh
mAh
(Non removable)
vs
4.5"
IPS
IPS
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Quad-core
1700
mAh
mAh
(Removable)
What's the better device? Apple iPad Air 2 (4G 64GB)
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!
22 Advantages 
8 Advantages | 14 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus |
| Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| Accelerometer |
| +7 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 | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| Model | iPad Air 2 (4G 64GB) | Star 4.5 Design Edition (S451U) |
| Other model names | iPad Air 2 A1567 Cellular (4G LTE), iPad 6 | Blu Star 4.5 S451u, Blu S451u |
| Country or region available |  (Global, International) |  USA |
| Brand | Apple | Blu |
| Release date | 10/24/2014, Announced: 10/16/2014 | 11/1/2014 |
| Depth | 6.1 millimeters (0.24 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 169.5 x 240 millimeters (6.67 x 9.45 in) | 64.3 x 127.7 millimeters (2.53 x 5.03 in) |
| Weight | 444 grams (15.54 ounces) | 133 grams (4.66 ounces) |
| Build, materials | Aluminum body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| Display type | TFT LED-Backlit IPS LCD | TFT IPS LCD |
| Screen size | 9.7" inches | 4.5" inches |
| Screen-to-body ratio | ~71.6% (screen-to-body ratio) | ~70.2% (screen-to-body ratio) |
| Display resolution | 1536x2048 pixels (4:3) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 264 PPI | 207 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| System version | iOS 8.0 | Android 4.4.2 KitKat |
| Firmware update | iPadOS 13 | Android 5.0.2 Lollipop |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| Chipset | 64bit: Apple A8X (20nm) | 32bit: MediaTek MT6582 |
| CPU | Triple-core, 1 processor: 3x 1.5GHz Typhoon (Triple-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | PowerVR GX6450 Rogue (8-core) | ARM Mali-400 |
| Performance (benchmark) | Basemark X: 29753 | feature not registered |
💽 Memory and storage | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| RAM memory | 2GB LPDDR3 | 512MB LPDDR2 |
| Internal storage | 64GB (54GB available) | 4GB (2GB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| iPad Air 2 (4G 64GB) | 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) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 100/50 Mbps | 21/5.76 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26, 28, 29) TD-LTE (Bands 38, 39, 40, 41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | 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 | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| Back camera (main camera) | 8 megapixels | 5 megapixels |
| Main camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | f/2.4 (aperture) | feature not registered |
| Focal length | 31mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video and HDR photo on front camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| Front camera (secondary) | 1.2 megapixels | 0.3 megapixels |
| Front camera resolution | 1280x960 pixels | 640x480 pixels |
| Video recording (secondary) | HD (1280x720) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 31mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, MOV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Proprietary TV-out | Not supported |
| Bluetooth | 4.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (front-mounted) Gyroscope | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Not supported | Supported |
🔋 Battery | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 7340 mAh | 1700 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 10 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| iPad Air 2 (4G 64GB) | Blu Star 4.5 Design Edition (S451U) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Space Gray, Silver, Gold • Retina display • Oleophobic coating • AirDrop file sharing • iCloud service • iCloud Keychain • FaceTime HD | • 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 | ||
| iPad Air 2 (4G 64GB) | 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 |