Screen size
Centro2.3"
Treo 750Winner: 2.5"+10%
Quick verdict
Centro leads the measured specs 4-2.
Measured wins
Centro
4
spec wins
Overall winner
Ties
5
equal specs
Treo 750
2
spec wins
Screen size
Technology
Centro
GSM
Treo 750
GSM / HSPA
2G bands
Centro
GSM 850 / 900 / 1800 / 1900
Treo 750
GSM 850 / 900 / 1800 / 1900
GPRS
Centro
Class 10
Treo 750
-
EDGE
Centro
Class 10
Treo 750
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
-
3G bands
Centro
-
Treo 750
HSDPA 850 / 1900 / 2100
Speed
Centro
-
Treo 750
Yes, 384 kbps
Announced
Centro
2008, February. Released 2008, March
Treo 750
2007, February
Status
Centro
Discontinued
Treo 750
Discontinued
Dimensions
Centro
107.2 x 53.5 x 18.6 mm (4.22 x 2.11 x 0.73 in)
Treo 750
111 x 58 x 22 mm (4.37 x 2.28 x 0.87 in)
Weight
Centro
124 g (4.37 oz)
Treo 750
154 g (5.43 oz)
Keyboard
Centro
QWERTY
Treo 750
QWERTY
SIM
Centro
Mini-SIM
Treo 750
Mini-SIM
Type
Centro
TFT resistive touchscreen, 65K colors
Treo 750
TFT resistive touchscreen, 65K colors
Size
Centro
2.25 inches, 16.3 cm2 (~28.5% screen-to-body ratio)
Treo 750
2.5 inches, 20.2 cm2 (~31.3% screen-to-body ratio)
Resolution
Centro
320 x 320 pixels, 1:1 ratio (~201 ppi density)
Treo 750
240 x 240 pixels, 1:1 ratio (~136 ppi density)
Other
Centro
5-way navigation button
Treo 750
5-way navigation button
OS
Centro
Palm OS 5.4.9
Treo 750
Microsoft Windows Mobile 5.0 PocketPC
CPU
Centro
32-bit Intel XScale PXA270 312 MHz
Treo 750
300 MHz Samsung
Card slot
Centro
microSDHC (dedicated slot)
Treo 750
miniSD, up to 2 GB
Internal
Centro
64MB
Treo 750
60MB
Single
Centro
1.3 MP
Treo 750
1.3 MP
Video
Centro
Yes
Treo 750
Yes
Other
Centro
No
Treo 750
No
Loudspeaker
Centro
Yes
Treo 750
Yes
Alert types
Centro
Vibration; Downloadable polyphonic ringtones
Treo 750
Vibration; Downloadable polyphonic, MP3 ringtones
3.5mm jack
Centro
No
Treo 750
No
WLAN
Centro
No
Treo 750
No
Bluetooth
Centro
1.2, A2DP
Treo 750
1.2, A2DP
Positioning
Centro
No
Treo 750
No
Infrared port
Centro
Yes
Treo 750
Yes
Radio
Centro
No
Treo 750
No
USB
Centro
Proprietary
Treo 750
Proprietary
Sensors
Centro
Treo 750
Browser
Centro
WAP 2.0 / HTML (Blazer 4.5)
Treo 750
WAP 2.0 / HTML (PocketIE)
Other
Centro
Document editor (Word, Excel, Powerpoint, PDF) MP3 player Organizer Voice memo
Treo 750
MP3/AAC/AAC+/WMA/OGG/AMR player WMV/MP4 player Organizer Pocket Office Voice memo
Type
Centro
Removable Li-Ion 1150 mAh battery
Treo 750
Removable Li-Ion 1200 mAh battery
Stand-by
Centro
Up to 300 h
Treo 750
Up to 200 h
Talk time
Centro
Up to 4 h
Treo 750
Up to 4 h 30 min
Colors
Centro
Obsidian, Glacier, Midnight, Cobalt, Onyx, Electric Blue, Rose, Olive
Treo 750
Black
SAR
Centro
0.27 W/kg (head) 0.22 W/kg (body)
Treo 750
0.59 W/kg (head) 0.15 W/kg (body)
Price
Centro
About 70 EUR
Treo 750
About 80 EUR