Screen size
C32Winner: 1.8"+27%
Classic Z511.3"
Quick verdict
C32 leads the measured specs 7-3.
Measured wins
C32
7
spec wins
Overall winner
Ties
4
equal specs
Classic Z51
3
spec wins
Screen size
Technology
C32
GSM / HSPA / LTE
Classic Z51
GSM
2G bands
C32
GSM 850 / 900 / 1800 / 1900
Classic Z51
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - ZM51003
3G bands
C32
HSDPA 850 / 900 / 2100
Classic Z51
-
4G bands
C32
2, 3, 4, 7, 28
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Classic Z51
-
Speed
C32
HSPA, LTE
Classic Z51
-
GPRS
C32
-
Classic Z51
Yes
EDGE
C32
-
Classic Z51
No
Announced
C32
2022, August
Classic Z51
2015, July. Released 2015, September
Status
C32
Available. Released 2022, August
Classic Z51
Discontinued
Dimensions
C32
121 x 50 x 12.8 mm (4.76 x 1.97 x 0.50 in)
Classic Z51
100.5 x 50.5 x 17.8 mm (3.96 x 1.99 x 0.70 in)
Weight
C32
-
Classic Z51
86 g (3.03 oz)
SIM
C32
Nano-SIM + Nano-SIM
Classic Z51
Dual SIM (Mini-SIM)
Other
C32
-
Classic Z51
Flashlight SOS button
Type
C32
TFT, 256K colors
Classic Z51
TFT, 65K colors
Size
C32
1.77 inches, 9.9 cm2 (~16.3% screen-to-body ratio)
Classic Z51
1.3 inches, 5.2 cm2 (~10.3% screen-to-body ratio)
Resolution
C32
128 x 160 pixels (~116 ppi density)
Classic Z51
240 x 320 pixels, 4:3 ratio (~308 ppi density)
Chipset
C32
Unisoc T107 (22 nm)
Classic Z51
-
CPU
C32
1.0 GHz Cortex-A7
Classic Z51
-
Card slot
C32
microSDHC (dedicated slot)
Classic Z51
microSDHC
Phonebook
C32
Yes
Classic Z51
300 entries
Call records
C32
Yes
Classic Z51
Yes
Internal
C32
128MB 48MB RAM
Classic Z51
8MB 8MB
Single
C32
0.08 MP
Classic Z51
1.3 MP
Video
C32
QVGA
Classic Z51
Yes
Features
C32
-
Classic Z51
LED flash
Other
C32
No
Classic Z51
No
Loudspeaker
C32
Yes
Classic Z51
Yes
3.5mm jack
C32
Yes
Classic Z51
Yes
WLAN
C32
No
Classic Z51
No
Bluetooth
C32
5.1, A2DP
Classic Z51
3.0, EDR
Positioning
C32
No
Classic Z51
No
NFC
C32
No
Classic Z51
No
Radio
C32
Stereo FM radio
Classic Z51
Stereo FM radio; built in antenna
USB
C32
microUSB 2.0
Classic Z51
microUSB
Sensors
C32
Classic Z51
Messaging
C32
SMS
Classic Z51
SMS
Games
C32
No
Classic Z51
No
Java
C32
No
Classic Z51
No
Other
C32
-
Classic Z51
Music/Video player Organizer Calendar Calculator Voice memo
Type
C32
Li-Ion 1000 mAh, removable
Classic Z51
Li-Ion 800 mAh, removable
Charging
C32
-
Classic Z51
Charging dock
Stand-by
C32
-
Classic Z51
Up to 130 h
Talk time
C32
-
Classic Z51
Up to 5 h
Colors
C32
Black, Green, Red, Blue
Classic Z51
Black, White