Screen size
Classic C211.8"
GO 1Winner: 4.0"+55%
Quick verdict
GO 1 leads the measured specs 13-1.
Measured wins
Classic C21
1
spec wins
Ties
3
equal specs
GO 1
13
spec wins
Overall winner
Screen size
Technology
Classic C21
GSM
GO 1
GSM / HSPA
2G bands
Classic C21
GSM 850 / 900 / 1800 / 1900 - SIM 1, GSM 850 / 900 / 1800 / 1900 - SIM 2
GO 1
GSM 850 / 900 / 1800 / 1900
GPRS
Classic C21
Up to 48 kbps
GO 1
-
EDGE
Classic C21
No
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
SD card
equal specsStereo speakers
GO 1
-
3G bands
Classic C21
-
GO 1
HSDPA 850 / 900 / 1900 / 2100
Speed
Classic C21
-
GO 1
HSPA 21.1/5.76 Mbps
Announced
Classic C21
2014, March. Released 2014, April
GO 1
2020, February. Released 2020, July 28
Status
Classic C21
Discontinued
GO 1
Discontinued
Dimensions
Classic C21
106 x 45 x 14.5 mm (4.17 x 1.77 x 0.57 in)
GO 1
128.5 x 65.2 x 11 mm (5.06 x 2.57 x 0.43 in)
Weight
Classic C21
73 g without battery (2.57 oz)
GO 1
123 g (4.34 oz)
SIM
Classic C21
Dual SIM (Mini-SIM)
GO 1
Nano-SIM + Nano-SIM
Type
Classic C21
TFT, 65K colors
GO 1
TFT LCD
Size
Classic C21
1.8 inches, 10.2 cm2 (~21.4% screen-to-body ratio)
GO 1
4.0 inches, 45.5 cm2 (~54.4% screen-to-body ratio)
Resolution
Classic C21
128 x 160 pixels (~114 ppi density)
GO 1
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Card slot
Classic C21
microSDHC
GO 1
microSDXC (dedicated slot)
Phonebook
Classic C21
Yes
GO 1
-
Call records
Classic C21
Yes
GO 1
-
Internal
Classic C21
32Mb 32Mb RAM
GO 1
8GB 1GB RAM
Single
Classic C21
VGA
GO 1
5 MP
Video
Classic C21
No
GO 1
720p
Features
Classic C21
-
GO 1
LED flash, Panorama, HDR
Other
Classic C21
No
GO 1
-
Single
Classic C21
-
GO 1
2 MP
Video
Classic C21
-
GO 1
Loudspeaker
Classic C21
Yes
GO 1
Yes
3.5mm jack
Classic C21
No
GO 1
Yes
WLAN
Classic C21
No
GO 1
Wi-Fi 802.11 a/b/g/n
Bluetooth
Classic C21
2.1
GO 1
4.0, A2DP, LE
Positioning
Classic C21
No
GO 1
GPS
NFC
Classic C21
No
GO 1
No
Radio
Classic C21
Stereo FM radio
GO 1
FM radio
USB
Classic C21
microUSB
GO 1
microUSB 2.0
Sensors
Classic C21
GO 1
Accelerometer
Messaging
Classic C21
SMS
GO 1
-
Games
Classic C21
No
GO 1
-
Java
Classic C21
No
GO 1
-
Other
Classic C21
Video player Music player Organizer
GO 1
-
Type
Classic C21
Li-Ion 600 mAh, removable
GO 1
Li-Ion 1400 mAh, removable
Stand-by
Classic C21
Up to 150 h
GO 1
-
Talk time
Classic C21
Up to 4 h
GO 1
-
Colors
Classic C21
Red, Green, Blue, Purple, White, Gray, Black
GO 1
Black
OS
Classic C21
-
GO 1
Android 10 (Go edition)
Chipset
Classic C21
-
GO 1
Mediatek MT6580 (28 nm)
CPU
Classic C21
-
GO 1
Quad-core 1.3 GHz
GPU
Classic C21
-
GO 1
Mali-400