BlackBerry Curve 8520 vs CAT B15
Side by side comparison between BlackBerry Curve 8520 vs CAT B15 phones, differences, pros, cons and full specifications. What's the better?
,
2.46"
TFT
TFT
320x240
2
MP
MP
128MB
RAM
RAM
Single-core
1150
mAh
mAh
(Removable)
vs
4"
TFT
TFT
480x800
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
2000
mAh
mAh
(Removable)
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!
2 Advantages 
24 Advantages | 9 Common items in both devices |
| Until 32GB microSD, microSDHC |
| TFT LCD |
| Only digital zoom |
| Li-Ion: lithium-ion (Removable) |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| +2 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 Curve 8520 | CAT B15 | |
| Change model | ||
| Model | Curve 8520 | CAT B15 |
| Other model names | RIM BlackBerry Curve 8520, RIM Gemini | Caterpillar B15 Dual-sim |
| Country or region available | feature not registered |  (Global, International) |
| Brand | BlackBerry | CAT |
| Release date | 8/3/2009 | 3/1/2013 |
| Depth | 13.9 millimeters (0.55 inches) | 15 millimeters (0.59 inches) |
| Size (width x height) | 60 x 109 millimeters (2.36 x 4.29 in) | 69.5 x 125 millimeters (2.74 x 4.92 in) |
| Weight | 106 grams (3.71 ounces) | 170 grams (5.95 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | 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. |
📲 Display | ||
| BlackBerry Curve 8520 | CAT B15 | |
| Display type | TFT LCD | TFT LCD |
| Screen size | 2.46" inches | 4" inches |
| Screen-to-body ratio | ~28.7% (screen-to-body ratio) | ~52.4% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 480x800 pixels |
| Touchscreen | Not supported | Capacitive Multitouch 2-points |
| Pixel density (dot pitch) | 163 PPI | 233 PPI |
| Colors | 65 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| BlackBerry Curve 8520 | CAT B15 | |
| System version | BlackBerry OS 4.6 | Android 4.1.2 Jelly Bean |
| Firmware update | BlackBerry OS 5.0 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| BlackBerry Curve 8520 | CAT B15 | |
| Chipset | 32bit: Freescale MXC275-30 | 32bit: MediaTek MT6577 |
| CPU | Single-core, 1 processor: 1x 512MHz ARM1136JF-S (Single-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | feature not registered | PowerVR SGX531T |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| BlackBerry Curve 8520 | CAT B15 | |
| RAM memory | 128MB SDRAM | 512MB LPDDR2 |
| Internal storage | 256MB | 4GB (2.49GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| BlackBerry Curve 8520 | CAT B15 | |
| 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) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 0.236 Mbps | 7.2/5.76 Mbps |
| Network technology | 2G | 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 | Not supported | Latin America model: UMTS 850/1900 Europe/Africa model: UMTS 900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 Curve 8520 | CAT B15 | |
| Back camera (main camera) | 2 megapixels | 5 megapixels |
| Main camera resolution | 1600x1200 pixels | 2592x1944 pixels |
| Video recording (primary) | QVGA (320x240) | HD (1280x720) 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 | Not supported | Autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | 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 Curve 8520 | CAT B15 | |
| 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 Curve 8520 | CAT B15 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| BlackBerry Curve 8520 | CAT B15 | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 3.0 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| BlackBerry Curve 8520 | CAT B15 | |
| Sensors | Not supported | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| BlackBerry Curve 8520 | CAT B15 | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1150 mAh | 2000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 4.5 hours | 16 hours |
| Standby | 408 hours (17 days) | 456 hours (19 days) |
➕ Other features | ||
| BlackBerry Curve 8520 | CAT B15 | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-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 | WAP, HTML | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black • 1GB microSD included • Touch-sensitive optical trackpad • UMA • GMA • Java framework | • 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 |
☢️ Radiation rate | ||
| BlackBerry Curve 8520 | CAT B15 | |
| 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 |