Screen size
Classic C21A1.8"
GO 1Winner: 4.0"+55%
Quick verdict
GO 1 leads the measured specs 13-1.
Measured wins
Classic C21A
1
spec wins
Ties
3
equal specs
GO 1
13
spec wins
Overall winner
Screen size
Technology
Classic C21A
GSM
GO 1
GSM / HSPA
2G bands
Classic C21A
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - CM21A003
GO 1
GSM 850 / 900 / 1800 / 1900
GPRS
Classic C21A
Up to 48 kbps
GO 1
-
EDGE
Classic C21A
No
GO 1
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
-
3G bands
Classic C21A
-
GO 1
HSDPA 850 / 900 / 1900 / 2100
Speed
Classic C21A
-
GO 1
HSPA 21.1/5.76 Mbps
Announced
Classic C21A
2013, March. Released 2013, April
GO 1
2020, February. Released 2020, July 28
Status
Classic C21A
Discontinued
GO 1
Discontinued
Dimensions
Classic C21A
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 C21A
73 g without battery (2.57 oz)
GO 1
123 g (4.34 oz)
SIM
Classic C21A
Dual SIM (Mini-SIM)
GO 1
Nano-SIM + Nano-SIM
Type
Classic C21A
TFT, 256K colors
GO 1
TFT LCD
Size
Classic C21A
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 C21A
128 x 160 pixels (~114 ppi density)
GO 1
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Card slot
Classic C21A
microSDHC
GO 1
microSDXC (dedicated slot)
Phonebook
Classic C21A
Yes
GO 1
-
Call records
Classic C21A
Yes
GO 1
-
Internal
Classic C21A
32Mb 32Mb RAM
GO 1
8GB 1GB RAM
Single
Classic C21A
VGA
GO 1
5 MP
Video
Classic C21A
No
GO 1
720p
Features
Classic C21A
-
GO 1
LED flash, Panorama, HDR
Other
Classic C21A
No
GO 1
-
Single
Classic C21A
-
GO 1
2 MP
Video
Classic C21A
-
GO 1
Loudspeaker
Classic C21A
Yes
GO 1
Yes
3.5mm jack
Classic C21A
No
GO 1
Yes
WLAN
Classic C21A
No
GO 1
Wi-Fi 802.11 a/b/g/n
Bluetooth
Classic C21A
2.0
GO 1
4.0, A2DP, LE
Positioning
Classic C21A
No
GO 1
GPS
NFC
Classic C21A
No
GO 1
No
Radio
Classic C21A
Stereo FM radio
GO 1
FM radio
USB
Classic C21A
microUSB
GO 1
microUSB 2.0
Sensors
Classic C21A
GO 1
Accelerometer
Messaging
Classic C21A
SMS, IM
GO 1
-
Games
Classic C21A
No
GO 1
-
Java
Classic C21A
No
GO 1
-
Other
Classic C21A
Video Player Music Player Organizer Whatsapp
GO 1
-
Type
Classic C21A
Li-Ion 600 mAh, removable
GO 1
Li-Ion 1400 mAh, removable
Stand-by
Classic C21A
Up to 200 h
GO 1
-
Talk time
Classic C21A
Up to 4 h
GO 1
-
Colors
Classic C21A
Black, White, Blue, Green, Purple, Red, Fuchsia
GO 1
Black
OS
Classic C21A
-
GO 1
Android 10 (Go edition)
Chipset
Classic C21A
-
GO 1
Mediatek MT6580 (28 nm)
CPU
Classic C21A
-
GO 1
Quad-core 1.3 GHz
GPU
Classic C21A
-
GO 1
Mali-400