Screen size
equal specsMIO 83902.2"
MIO 88702.2"
Quick verdict
MIO 8870 leads the measured specs 2-0.
Measured wins
MIO 8390
0
spec wins
Ties
7
equal specs
MIO 8870
2
spec wins
Overall winner
Screen size
equal specsTechnology
MIO 8390
GSM
MIO 8870
GSM
2G bands
MIO 8390
GSM 900 / 1800 / 1900
MIO 8870
GSM 900 / 1800 / 1900
GPRS
MIO 8390
Yes
MIO 8870
Class 10
EDGE
MIO 8390
No
MIO 8870
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
No
Announced
MIO 8390
2003, Q3
MIO 8870
2004, Q4
Status
MIO 8390
Discontinued
MIO 8870
Discontinued
Dimensions
MIO 8390
99 x 51 x 24 mm (3.90 x 2.01 x 0.94 in)
MIO 8870
110 x 49 x 21 mm, 110 cc (4.33 x 1.93 x 0.83 in)
Weight
MIO 8390
125 g (4.41 oz)
MIO 8870
120 g (4.23 oz)
SIM
MIO 8390
Mini-SIM
MIO 8870
Mini-SIM
Type
MIO 8390
TFT, 256K colors (65K effective)
MIO 8870
TFT, 65K colors
Size
MIO 8390
2.2 inches, 35 x 44 mm, 15.2 cm2 (~30.2% screen-to-body ratio)
MIO 8870
2.2 inches, 35 x 44 mm, 15.2 cm2 (~28.3% screen-to-body ratio)
Resolution
MIO 8390
176 x 220 pixels, 8 lines (~128 ppi density)
MIO 8870
176 x 220 pixels (~128 ppi density)
Other
MIO 8390
Second LCD display (48 x 64 pixels)
MIO 8870
Animated screensavers Color backgrounds
OS
MIO 8390
Microsoft Smartphone 2003
MIO 8870
Microsoft Windows Mobile 2003 SE Smartphone
CPU
MIO 8390
Intel PXA262 200 MHz
MIO 8870
Intel PXA262 200 MHz
Card slot
MIO 8390
MMC/SD
MIO 8870
MMC/SD, up to 1 GB
Internal
MIO 8390
16MB RAM, 32MB ROM
MIO 8870
32MB
Single
MIO 8390
VGA
MIO 8870
VGA
Video
MIO 8390
No
MIO 8870
Yes
Other
MIO 8390
No
MIO 8870
No
Loudspeaker
MIO 8390
No
MIO 8870
Yes
Alert types
MIO 8390
Vibration; Polyphonic(40), MP3 ringtones, composer
MIO 8870
Vibration; Downloadable polyphonic, MP3, Hi-Fi ringtones
3.5mm jack
MIO 8390
No
MIO 8870
No
WLAN
MIO 8390
No
MIO 8870
No
Bluetooth
MIO 8390
No
MIO 8870
No
Positioning
MIO 8390
No
MIO 8870
No
Infrared port
MIO 8390
Yes
MIO 8870
Yes
Radio
MIO 8390
No
MIO 8870
No
USB
MIO 8390
MIO 8870
Proprietary
Sensors
MIO 8390
MIO 8870
Browser
MIO 8390
WAP 2.0/xHTML
MIO 8870
WAP 2.0/xHTML
Other
MIO 8390
MP3/AAC/AAC+/WMA/OGG/AMR player WMV/MP4 player Predictive text input Sync ML MP4 encoder/decoder Voice memo
MIO 8870
MP3/MP4 player Predictive text input Organizer Voice memo
Type
MIO 8390
Removable Li-Po 1050 mAh battery
MIO 8870
Removable Li-Ion 1050 mAh battery
Stand-by
MIO 8390
Up to 100 h
MIO 8870
Up to 100 h
Talk time
MIO 8390
Up to 3 h
MIO 8870
Up to 4 h
Colors
MIO 8390
Dazzling silver, opulent red
MIO 8870