BBK i528 vs Acer beTouch E400
| Vormgeving | Bar-telefoon | Touchscreen |
| Afmetingen | - | 115.00 x 59.30 x 12.00 mm |
| Gewicht | 80.00 g | 124.40 g |
| Schermgrootte | 1.77" | 3.20" |
| Scherm | Kleurrijk / TFT 64k kleuren 176 x 220 px (1.77") 159 ppi | Kleurrijk / TFT 256k kleuren 320 x 480 px (3.20") 180 ppi |
| Bescherming scherm |   | |
| Extra scherm | | |
| Secundaire bescherming scherm | | |
| Max. gesprekstijd | 2G: 180 min. (3.0 h) | 2G: 300 min. (5.0 h) |
| Max. standbytijd | 2G: 240 uur (10.0 dagen) | 2G: 400 uur (16.7 dagen) |
| Standaard batterij | Li-Ion 700 mAhBuy powerbank | Li-Po 1100 mAhBuy powerbank |
| Snel opladen van de batterij | | |
| Draadloos opladen van de batterij | | |
| Intern geheugen | 128 MB | 512 MB |
| RAM-geheugen |  | 256 MB |
| Geheugen kaarten |  microSD tot 2 GBBuy memory card | microSD, microSDHC |
| Besturingssysteem | - | Android 2.1 Eclair |
| Processor | - | Qualcomm MSM7227 |
| CPU-klok | - | 600 MHz |
| GPU | - | Adreno 200 |
| Touchscreen | | |
| Dual SIM | | |
| Introductiedatum | III. kwartaal 2007 | II. kwartaal 2010 |
| Andere namen van deze telefoon | - | - |
| GSM standaard | 900 1800 | 850 900 1800 1900 |
| UMTS standaard (3G) | | 900 2100 |
| LTE-standaard | | |
| CDMA standaard | | |
| TD-SCDMA-standaard | | |
| UMA standaard | | |
CAMERA'S - TERUG
| Eerste camera | | |
| Matrix | 0.3 Mpx | 3.2 Mpx |
| Schermresolutie | 640x480 px | 2048x1536 px |
| Optische zoom | | |
| Flitser | | |
| Dual-color LED-flitser | | |
| Videoformaten | | H.263, MPEG4 |
| Extra | - | - |
CAMERA'S - VOORKANT
SENSORS
| Accelerometer | | |
| Nabijheid | | |
| Licht sensor | | |
| Magnetometer | | |
| Gyroscoop | | |
| Barometer | | |
| Altimeter | | |
| Gravity sensor | | |
| Hall-effect sensor | | |
| Iris scanner | | |
| Vingerafdrukscanner | | |
| Thermometer | | |
| Hygrometer | | |
Gegevens transmissie
| xHTML | | |
| WAP | | v2.0 |
| HSCSD | | |
| HSDPA | | 3.60 Mbit/s |
| HSUPA | | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | | |
| LTE UP | | |
| WIMAX+ | | |
| GPRS | | classe 10 |
| EDGE | | classe 10 |
| Bluetooth | | v2.0 |
| Perfil A2DP | | |
| HDMI | | |
| WiFi | | v802.11 b/g |
| WiFi frequenties | | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi-hotspot | | |
| IrDA | | |
| USB | | v2.0 |
| GPS | | |
| Beidou | | |
| NFC | | |
COMMUNICATIE EN BERICHTEN
| Call waiting | | |
| Video conferentie verbinding | | |
| Redirect | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | 400 contacten | |
| EMS | | |
| MMS | v1.2 | |
| Predictive text | | |
| Swype | | |
| E-mailclient | | POP3, IMAP4, SMTP |
| QWERTY toetsenbord | | |
| RSS reader | | |
Multimedia
| Radio | | |
| MP3 bediening | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Geluidsformaten | AAC, AMR, WAV | AAC, AAC+, AMR, WAV, WMA, eAAC+ |
| Ringtone polyfoon | | |
| Video beltonen | | |
| Beltoon componist | | |
| Spelletjes | | |
| Java | | Dalvik |
| Videoverbinding | | |
| DVB-H televisie | | |
| TV aansluiting | | |
PIM EN EXTRA FUNCTIES
| Klok | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Valuta Converter | | |
| Organizer | | |
| Agenda | | |
| Vliegtuigstand | | |
| SyncML | | |
| Data en fax | | |
| Schermbeveiliging | | |
| Thema's | | |
| Verwisselbare cover | | |
| Voice picking | | |
| Speaker | | |
| Memorecorder | | |
| Trilalarm | | |