Screen size
AspenWinner: 2.4"+8.3%
Z7502.2"
Quick verdict
Aspen leads the measured specs 6-2.
Measured wins
Aspen
6
spec wins
Overall winner
Ties
4
equal specs
Z750
2
spec wins
Screen size
Technology
Aspen
GSM / HSPA
Z750
GSM / HSPA
2G bands
Aspen
GSM 850 / 900 / 1800 / 1900
Z750
GSM 850 / 900 / 1800 / 1900
3G bands
Aspen
HSDPA 900 / 2100 , HSDPA 850 / 900 / 2100
Z750
HSDPA 850 / 1900 / 2100
Speed
Aspen
HSPA 7.2/2 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
Z750
HSPA 1.8 Mbps
Announced
Aspen
2010, February. Released 2010, July
Z750
2007, March
Status
Aspen
Discontinued
Z750
Discontinued
Dimensions
Aspen
117 x 60 x 12.5 mm (4.61 x 2.36 x 0.49 in)
Z750
97.4 x 49 x 20 mm (3.83 x 1.93 x 0.79 in)
Weight
Aspen
130 g (4.59 oz)
Z750
110 g (3.88 oz)
Keyboard
Aspen
QWERTY
Z750
-
SIM
Aspen
Mini-SIM
Z750
Mini-SIM
Type
Aspen
TFT resistive touchscreen, 65K colors
Z750
TFT, 256K colors
Size
Aspen
2.4 inches, 17.8 cm2 (~25.4% screen-to-body ratio)
Z750
2.2 inches, 15.0 cm2 (~31.4% screen-to-body ratio)
Resolution
Aspen
320 x 240 pixels, 4:3 ratio (~167 ppi density)
Z750
240 x 320 pixels, 4:3 ratio (~182 ppi density)
Other
Aspen
XPERIA Panels
Z750
Second external OLED display (36 x 128 pixels) Wallpapers, screensavers
OS
Aspen
Microsoft Windows Mobile 6.5.3 Professional
Z750
-
Chipset
Aspen
Qualcomm MSM7227 Snapdragon S1
Z750
-
CPU
Aspen
600 MHz ARM 11
Z750
-
GPU
Aspen
Adreno 200
Z750
-
Card slot
Aspen
microSDHC (dedicated slot), 4 GB included
Z750
Memory Stick Micro (M2), up to 2 GB
Internal
Aspen
256MB RAM, 256MB ROM, 100MB
Z750
32MB
Phonebook
Aspen
-
Z750
Yes, Photo call
Call records
Aspen
-
Z750
20 dialed, 20 received, 20 missed calls
Single
Aspen
3.15 MP
Z750
2 MP
Video
Aspen
480p@15fps
Z750
320p@15fps
Other
Aspen
No
Z750
-
Single
Aspen
-
Z750
Videocall camera
Video
Aspen
-
Z750
Loudspeaker
Aspen
Yes
Z750
Yes
3.5mm jack
Aspen
Yes
Z750
No
Alert types
Aspen
-
Z750
Vibration; Downloadable polyphonic, MP3 ringtones, composer
WLAN
Aspen
Wi-Fi 802.11 b/g
Z750
No
Bluetooth
Aspen
2.1, A2DP
Z750
2.0, A2DP
Positioning
Aspen
GPS, A-GPS
Z750
No
Radio
Aspen
Stereo FM radio, RDS
Z750
Stereo FM radio, RDS
USB
Aspen
microUSB 2.0
Z750
2.0
Sensors
Aspen
Z750
Browser
Aspen
WAP 2.0/HTML (IE), RSS feeds
Z750
WAP 2.0/HTML (NetFront), RSS reader
Other
Aspen
MP3/eAAC+/WAV/WMA player MP4/H.264/WMV player Pocket Office Organizer Eco friendly materials Voice memo/dial Predictive text input
Z750
MP3/AAC/AAC+/eAAC+ player TrackID music recognition Predictive text input Photo editor Organizer Voice memo
Messaging
Aspen
-
Z750
SMS, EMS, MMS, Email
Games
Aspen
-
Z750
Yes
Java
Aspen
-
Z750
Yes, MIDP 2.0
Type
Aspen
Removable Li-Po 1500 mAh battery
Z750
Removable Li-Po 930 mAh battery (BST-33)
Stand-by
Aspen
Up to 560 h (2G) / Up to 500 h (3G)
Z750
Up to 400 h (2G) / Up to 350 h (3G)
Talk time
Aspen
Up to 6 h 30 min (2G) / Up to 7 h 30 min (3G)
Z750
Up to 9 h (2G) / Up to 3 h 30 min (3G)
Music play
Aspen
Up to 12 h
Z750
-
Colors
Aspen
Iconic Black, White Silver
Z750
Phantom Grey, Rose Pink, Mysterious Purple, Platinum Silver
SAR EU
Aspen
1.05 W/kg (head)
Z750
1.04 W/kg (head)
Price
Aspen
About 70 EUR
Z750
About 110 EUR
SAR
Aspen
-
Z750
1.48 W/kg (head) 1.09 W/kg (body)