Screen size
equal specsM3151.5"
Z21.5"
Quick verdict
M315 and Z2 are close on the measured specs.
Measured wins
M315
3
spec wins
Ties
5
equal specs
Z2
3
spec wins
Screen size
equal specsTechnology
M315
GSM
Z2
GSM
2G bands
M315
GSM 900 / 1800 / 1900
Z2
GSM 900 / 1800 / 1900
GPRS
M315
Class 10
Z2
Class 10
EDGE
M315
No
Z2
No
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
Stereo speakers
Announced
M315
2005, Q1
Z2
2005, Q1
Status
M315
Discontinued
Z2
Discontinued
Dimensions
M315
102 x 44 x 18 mm (4.02 x 1.73 x 0.71 in)
Z2
66 x 66 x 20 mm (2.60 x 2.60 x 0.79 in)
Weight
M315
86 g (3.03 oz)
Z2
106 g (3.74 oz)
SIM
M315
Mini-SIM
Z2
Mini-SIM
Type
M315
CSTN, 65K colors
Z2
TFT, 256K colors
Size
M315
1.5 inches, 27 x 27 mm, 7.3 cm2 (~16.2% screen-to-body ratio)
Z2
1.5 inches, 27 x 27 mm, 7.3 cm2 (~16.7% screen-to-body ratio)
Resolution
M315
128 x 128 pixels, 1:1 ratio (~121 ppi density)
Z2
128 x 128 pixels, 1:1 ratio (~121 ppi density)
Other
M315
Wallpapers
Z2
Wallpapers Downloadable pictures
Card slot
M315
No
Z2
miniSD
Phonebook
M315
500 entries
Z2
500 entries
Call records
M315
10 dialed, 10 received, 10 missed calls
Z2
10 dialed, 10 received, 10 missed calls
Other
M315
300 SMS messages 20 CIF(352 x 288) photos
Z2
-
Internal
M315
-
Z2
60MB
Single
M315
CIF
Z2
1.3 MP
Video
M315
No
Z2
No
Features
M315
-
Z2
LED flash
Other
M315
No
Z2
No
Loudspeaker
M315
No
Z2
Yes
Alert types
M315
Polyphonic(16) - SMAF, iMelody, Midi ringtones
Z2
Vibration; Downloadable polyphonic, MP3 ringtones, composer
3.5mm jack
M315
No
Z2
No
Other
M315
-
Z2
3D surround sound
WLAN
M315
No
Z2
No
Bluetooth
M315
1.1
Z2
No
Positioning
M315
No
Z2
No
Radio
M315
No
Z2
FM radio
USB
M315
Proprietary
Z2
Proprietary
Sensors
M315
Z2
Messaging
M315
SMS, MMS
Z2
SMS, EMS, MMS
Browser
M315
WAP 2.0/xHTML
Z2
WAP 2.0/xHTML
Games
M315
Eda Mouse, Cherry Boy
Z2
Yes
Java
M315
No
Z2
Yes
Other
M315
iTap Stopwatch Organizer
Z2
MP3 player Changeable front and back covers iTap Voice memo Organizer
Type
M315
Removable Li-Ion 760 mAh battery
Z2
Removable Li-Ion 1000 mAh battery
Stand-by
M315
Up to 140 h
Z2
Up to 150 h
Talk time
M315
Up to 5 h
Z2
Up to 5 h
Colors
M315
Express Silver
Z2
Vanilla White, Berry Blue, Wasabi Green, Bubblegum Pink