| Photo |  |  |  |
| Product | palm pixi [plus] | palm pre [plus] | iPhone 3GS |
| Carrier | Sprint [Verizon , at & t] | Sprint [Verizon , at & t] | At & t |
| Colors | Black | Black | Black , White |
| Operating system | Palm webOS platform | Palm webOS platform | iPhoneOS 3.x |
| CPU | 600 Mhz
Qualcomm MSM7627
(600 MHz ARM applications core and 400 MHz ARM modem core) | 600 MHz (underclocked to 500 MHz)
Texas Instruments OMAP 3430
(ARM Cortex A8 + PowerVR SGX) | 600MHz（L1 32kb Cache、L2 256kb Cache）
Samsung S5PC100
(ARM Cortex A8 + PowerVR SGX) |
| Memory | 256MB | 256MB [512MB] | 256MB |
| Network specs | Dual-band CDMA2000 3G: EvDO Rev A[Verizon WirelessDual-band CDMA2000 3G: EvDO Rev A
AT&T UMTS bands/HSDPA 3.6: 850/1900Quad-band
GSM/EDGE: 850/900/1800/1900GSM/GPRS/EDGE Class 10] | Dual-band CDMA2000
3G: EvDO Rev A[Verizon WirelessDual-band CDMA2000 3G: EvDO Rev A
AT&T Dual-band UMTS/HSDPA (850/1900 Mhz)
Quad-band GSM/GPRS/EDGE (850/900/1800/1900 Mhz)] | UMTS/HSDPA（850、1900、2100 Mhz）
GSM/EDGE（850、900、1800、1900 MHz） |
| Display | 2.63-inch multitouch screen with a vibrant 18-bit color,
320x400 resolution Sub-HVGA display | 3.1-inch multitouch screen with a vibrant 24-bit color,
320x480 resolution HVGA display | 3.5-inch multitouch screen with a vibrant 24-bit color,
320x480 resolution HVGA display |
| Keyboard | Physical QWERTY keyboard | Slide-out physical QWERTY keyboard | none |
| Email | Microsoft Exchange email with Microsoft
Direct Push Technology
POP3/IMAP (Yahoo! Mail, Gmail, AOL, Hotmail, etc.) | Microsoft Exchange email with Microsoft
Direct Push Technology
POP3/IMAP (Yahoo! Mail, Gmail, AOL, Hotmail, etc.) | Microsoft Exchange email with Microsoft
POP3/IMAP (Yahoo! Mail, Gmail, AOL, Hotmail, etc.) |
| Messaging | Integrated IM, SMS, and MMS | Integrated IM, SMS, and MMS | Integrated IM, SMS, and MMS |
| GPS | Built-in GPS | Built-in GPS | Built-in GPS |
| Digital camera | 2-megapixel camera with LED flash, geotagging, and video capture | 3-megapixel camera with LED flash, extended depth of field,
Geotagging, and video capture | 3-megapixel camera, extended depth of field,
Geotagging, and video capture |
| Sensors | Accelerometer, ambient light, and proximity | Ambient light, accelerometer, and proximity |
|
Media formats
Supported | Audio formats: MP3, AAC, AAC+, eAAC+, AMR, QCELP, WAV
Video formats: MPEG-4, H.263, H.264 | Audio formats: MP3, AAC, AAC+, eAAC+, AMR, QCELP, WAV
Video formats: MPEG-4, H.263, H.264 | Audio formats：MP3, AAC,AAC,HE-AAC, Audible,
Apple Lossless, AIFF,WAV
Video formats: H.264, .m4v,.mp4, .mov, MPEG-4 |
Wireless
Connectivity | Bluetooth wireless technology 2.1 + EDR with A2DP stereo
[Wi-Fi 802.11b/g with WPA, WPA2, WEP, 802.1X authentication; ] | Wi-Fi 802.11b/g with WPA, WPA2, WEP, 802.1X authentication;
Bluetooth wireless technology 2.1 + EDR with A2DP stereo | Wi-Fi（802.11b/g）
Bluetooth 2.0 + EDR |
| Memory | 8GB (~7GB user available)[USB mass storage support] | 8GB (~7GB user available)
USB mass storage support | 16GB or 32GB |
| Battery life | Up to 5 hours talk time and 350 hours standby time[Verizon Wireless Up to 5.2 hours talk time and 350 hours standby time
AT&T Up to 5.5 hours talk time and 350 hours standby time] | Up to 5 hours talk time and 300 hours standby time[(CDMA)Up to 5.5 hours talk time and 350 hours standby time
(UMTS)Up to 5 hours talk time and 350 hours standby time] | （UMTS）Up to 5hours talk time and 300 hours standby time
（GSM）Up to 12hours talk time and 300 hours standby time |
| Connector | Charger/microUSB connector with USB 2.0 Hi-Speed | Charger/microUSB connector with USB 2.0 Hi-Speed | 30pin Dock connector with USB 2.0 Hi-Speed |
| Headphone jack | 3.5mm stereo | 3.5mm stereo | 3.5mm stereo |
Palm Touchstone
Charging Dock | Compatible | Compatible[Palm Touchstone Back Cover included] | none |
| Dimensions | Width: 55.0mm
Height: 111.0mm
Thickness: 10.85mm | Width: 59.5mm
Height: 100.5mm
Thickness: 16.95mm | Width: 62.1 mm：
Height：115.5 mm
Tickness:12.3 mm |
| Weight | 92.5 g | 135 g | 135g |
