Creo yo que no existe comparación, aquí dejo las características del W960 para compararlos.

Technical Specifications

Phone Models:
W960i Dual mode UMTS for selected markets

Networks:
W960i Dual mode UMTS (2100MHz), GPRS 900/1800/1900

Screen Display:
240x320 pixels QVGA
262 k TFT color

Memory:
RAM Memory: 128MB
Flash Memory: 256MB
Shared memory for storage: Up to 160MB + 8GB (for user storage)
Max JAR Size: Unlimited (but depending on available storage)
Max SIS Size: Unlimited (but depending on available storage)

Symbian OS Technology:
Symbian OS v9.1
UIQ 3.0
Native hardware accelerated 3D graphics with Open GL ES support

Java Technology:
Java ME CLDC 1.1:
  • JTWI 1.0 (JSR 185) consisting of Connected Limited Device Configuration (CLDC) 1.1 HI (JSR 139), MIDP 2.0 (JSR 118), WMA 1.1 (JSR 120)
  • PDA Optional Packages, supporting the File and PIM APIs (JSR 75)
  • Bluetooth™ API (JSR 82)
  • Wireless Messaging API 2.0 (JSR 205)
  • Web Services API (JSR 172)
  • Mobile Media API (JSR 135) Mobile 3D Graphics (JSR 184) with hardware acceleration
  • Scalable 2D Vector Graphics API for J2ME (JSR 226)
  • Nokia UI API 1.1
Browser:
Opera version 8: HTML 4.01, xHTML 1.0, CSS, Javascript (ECMAScript), RSS
TLS/SSL security
WAP 2.0

Messaging:
SMS, MMS, EMS
POP3, IMAP, SMTP and MIME
Push e-mail

Digital Rights Mgmt.:
OMA DRM v1.0

Multimedia Support:
Audio: MP3, AAC, eAAC+, AAC+, AU, iMelody, AMR, RMF, DLS, RealAudio, G-MIDI level 1, WAV, WMA, XMF
Video: MP4 (MPEG4 and AAC-LC), 3GP (H.263 SMR NB and AAC), Real Audio Video, WMV 9
Image: BMP, GIF, JPEG, MBM, PNG, WBMP, SVG Tiny 1.1
Animations: GIF
Streaming: RTSP according to 3GPP™

Local Connectivity:
Bluetooth 2.0
USB 2.0
WiFi (802.11b) (UMTS version only)
VoIP support
PC software

Extra features:
Walkman player
3.2 Megapixel camera x3 digital zoom, autofocus and business card scanner
Sony Ericsson Media Manager, music management software
TrackID™
PlayNow™
FM RDS radio
MusicDJ™
Streaming audio/video
WiFi connectivity
Enabled for VoIP third-party clients
Latin and Chinese character handwriting recognition
Chinese keypad, Pinyin and Stokes input
Transreflective display for bright light conditions
Jog dial
RSS feeds
Podcasting support
Flight mode

NOTA: yo tengo un iPod de 80 GB, pero creo que no por eso debo de tener un iPhone, Apple = iPod, SE = K790, yo prefiero a Sony Ericsson.