CAT B15 vs Blu Studio X Plus (D770U)
Side by side comparison between CAT B15 vs Blu Studio X Plus phones, differences, pros, cons and full specifications. What's the better?
,
4"
TFT
TFT
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
2000
mAh
mAh
(Removable)
vs
5.5"
IPS
IPS
720x1280
8
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2600
mAh
mAh
(Removable)
What's the better phone? Blu Studio X Plus (D770U)
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 
22 Advantages | 19 Common items in both devices |
| 170 grams (5.95 ounces) |
| 16 million |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| Capacitive |
| Multitouch |
| +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 | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| Change model | ||
| Model | CAT B15 | Studio X Plus (D770U) |
| Other model names | Caterpillar B15 Dual-sim | BLU Studio X Plus D770U, BLU D770U |
| Country or region available |  (Global, International) |  USA |
| Brand | CAT | Blu |
| Release date | 3/1/2013 | 1/1/2015 |
| Depth | 15 millimeters (0.59 inches) | 10.6 millimeters (0.42 inches) |
| Size (width x height) | 69.5 x 125 millimeters (2.74 x 4.92 in) | 76.6 x 155.5 millimeters (3.02 x 6.12 in) |
| Weight | 170 grams (5.95 ounces) | 170 grams (5.95 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | IP67 certified: dust proof and waterproof over 1 meter and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 4" inches | 5.5" inches |
| Screen-to-body ratio | ~52.4% (screen-to-body ratio) | ~70% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch 2-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| System version | Android 4.1.2 Jelly Bean | Android 4.4.2 KitKat |
| Firmware update | feature not registered | Android 5.0 Lollipop |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| Chipset | 32bit: MediaTek MT6577 | 32bit: MediaTek MT6582M |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | PowerVR SGX531T | ARM Mali-400 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| RAM memory | 512MB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 4GB (2.49GB available) | 8GB (4GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) micro-SIM (3FF) and standard SIM (2FF) |
| Maximum Download / Upload | 7.2/5.76 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 | Latin America model: UMTS 850/1900 Europe/Africa model: UMTS 900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| Back camera (main camera) | 5 megapixels | 8 megapixels |
| Main camera resolution | 2592x1944 pixels | 3264x2448 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Not supported | 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 | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| Front camera (secondary) | 0.3 megapixels | 2 megapixels |
| Front camera resolution | 640x480 pixels | 1600x1200 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 | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| 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 | MP4, H.264, H.263, DivX, XviD |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | 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 | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2000 mAh | 2600 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 16 hours | 16 hours |
| Standby | 456 hours (19 days) | 775 hours (32.3 days) |
➕ Other features | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| 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 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • WiFi hotspot • Drop to concrete resistance from up to 1.8m • IP67 certified: dust and waterproof up to 1m for 30min • MIL-STD-810G certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant • Java framework | • Colors: Black, White, Blue, Gold, Pink |
☢️ Radiation rate | ||
| CAT B15 | Blu Studio X Plus (D770U) | |
| 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 |