| Nokia 6021 | GSM 1800
GSM 1900
GSM 900 | 3.1 (oz) | 106 (mm) | 44 (mm) | 20.1 (mm) | Bar | 3 (hours) | 320 (hours) | LCD (Color TFT/TFD) | 128 x 128 pixels | proprietary | 3.3 (MB) | Yes | Yes | Supported Profiles: HSP, HFP, DUN, OPP, FTP, SAP version 1.2 | Yes | Yes | Yes | Yes | by groups only | Yes | supports AMR (real music) format | Yes | Yes | EDGE class 6 / plus class 10 GPRS | supports WAP 2.0, xHTML over TCP/IP, file upload | Technology: T9 | up/down keys on left / PTT key on right | Yes | SMTP, POP3, IMAP4 | 2-Way: Yes supports long (concatenated) SMS / plus IM with presence | Nokia AV connector | MP3, AAC, AAC+, eAAC+, WMA supports Windows DRM / 5-band graphical equalizer, stereo widening, loudness, balance controls | Resolution: VGA (640 x 480) | RealOne, 3GPP | via Nokia 2.5mm AV connector | Yes | Yes | Yes | Yes |  | 900 mAh LiIon | Yes | Yes | via Pop-Port | supports multiplayer games via Bluetooth | LED | 1000 | Yes | 2.5mm and Nokia Pop-Port | plus voice command | Yes | Some versions only | 65,536 (16-bit) | Chords: 16 | Nokia Picture Messaging | Yes | Yes | Type: PoC dedicated button | Version: MIDP 2.0, CLDC 1.1 supported JSRs: 120, 135, 185 | Yes | Yes | version 1.0 / supports SMIL, video & voice clips | Max. Length: 50 seconds 3GPP format (H.263) | Yes | Card Type: microSD (TransFlash) up to 2GB / hot-swappable | Yes | Yes | 96 MHz ARM 7 | Yes | supports a wi-fi card | OS: Custom (Windows CE 4.1) 16 MB memory / includes 64 MB SD card | Layout: Split QWERTY | supports timed profiles | Stereo: Yes | over WiFi 802.11b,g | Rating: M3 (mostly compatible) | Yes | Yes | Yes | Yes | Yes | Yes | Technology: MediaFLO | Yes |