CAT B15 vs Sony Ericsson Xperia X8 (E15i)
Side by side comparison between CAT B15 vs Sony Ericsson Xperia X8 phones, differences, pros, cons and full specifications. What's the better?
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4"
TFT
TFT
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
2000
mAh
mAh
(Removable)
vs
What's the better phone? CAT B15
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 
4 Advantages | 17 Common items in both devices |
| 15 millimeters (0.59 inches) |
| TFT LCD |
| 16 million |
| Only digital zoom |
| 3G HSUPA |
| 7.2 Mbps |
| Capacitive |
| +10 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 | Sony Ericsson Xperia X8 (E15i) | |
| Change model | ||
| Model | CAT B15 | Xperia X8 (E15i) |
| Other model names | Caterpillar B15 Dual-sim | Sony Ericsson Xperia X8 E15, SE Shakira |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | CAT | Sony Ericsson |
| Release date | 3/1/2013 | 9/29/2010 |
| Depth | 15 millimeters (0.59 inches) | 15 millimeters (0.59 inches) |
| Size (width x height) | 69.5 x 125 millimeters (2.74 x 4.92 in) | 54 x 99 millimeters (2.13 x 3.9 in) |
| Weight | 170 grams (5.95 ounces) | 104 grams (3.64 ounces) |
| Build, materials | feature not registered | Plastic body |
| 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 | Sony Ericsson Xperia X8 (E15i) | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 4" inches | 3" inches |
| Screen-to-body ratio | ~52.4% (screen-to-body ratio) | ~50.1% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 320x480 pixels |
| Touchscreen | Capacitive Multitouch 2-points | Capacitive Single touch 1-point |
| Pixel density (dot pitch) | 233 PPI | 192 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Scratch-resistant glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| CAT B15 | Sony Ericsson Xperia X8 (E15i) | |
| System version | Android 4.1.2 Jelly Bean | Android 1.6 Donut |
| Firmware update | feature not registered | Android 2.1 Eclair |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| CAT B15 | Sony Ericsson Xperia X8 (E15i) | |
| Chipset | 32bit: MediaTek MT6577 | 32bit: Qualcomm Snapdragon S1 MSM7227 (65nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | PowerVR SGX531T | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| CAT B15 | Sony Ericsson Xperia X8 (E15i) | |
| RAM memory | 512MB LPDDR2 | 256MB |
| Internal storage | 4GB (2.49GB available) | 256MB (128MB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 16GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| CAT B15 | Sony Ericsson Xperia X8 (E15i) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 7.2/2 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 900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 | ||
| CAT B15 | Sony Ericsson Xperia X8 (E15i) | |
| Back camera (main camera) | 5 megapixels | 3.1 megapixels |
| Main camera resolution | 2592x1944 pixels | 2048x1536 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | VGA (640x480) 30 fps |
| 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 |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | Not supported |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| CAT B15 | Sony Ericsson Xperia X8 (E15i) | |
| Front camera (secondary) | 0.3 megapixels | Not supported |
| Front camera resolution | 640x480 pixels | Not supported |
| Video recording (secondary) | VGA (640x480) | Not supported |
| 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 | Sony Ericsson Xperia X8 (E15i) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| CAT B15 | Sony Ericsson Xperia X8 (E15i) | |
| 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 | 2.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g [wifi3] (2.4GHz) |
| 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 | Sony Ericsson Xperia X8 (E15i) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer ANT+ Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| CAT B15 | Sony Ericsson Xperia X8 (E15i) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Removable) |
| Battery capacity | 2000 mAh | 1200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 16 hours | 5.7 hours |
| Standby | 456 hours (19 days) | 476 hours (19.8 days) |
➕ Other features | ||
| CAT B15 | Sony Ericsson Xperia X8 (E15i) | |
| Call control | Voice dialing, Voice recorder | 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 | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML |
| 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: Pink, Blue, White, Gray • 2GB microSD included • Wisepilot navigation • PlayNow • Sony Ericsson Timescape • Sony Ericsson UX platform • Java framework |
☢️ Radiation rate | ||
| CAT B15 | Sony Ericsson Xperia X8 (E15i) | |
| 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 |