Screen size
GO 3Winner: 4.0"+40%
Z502.4"
Quick verdict
GO 3 leads the measured specs 15-0.
Measured wins
GO 3
15
spec wins
Overall winner
Ties
2
equal specs
Z50
0
spec wins
Screen size
Technology
GO 3
GSM / HSPA
Z50
GSM
2G bands
GO 3
GSM 850 / 900 / 1800 / 1900
Z50
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - ZM50003
3G bands
GO 3
HSDPA 850 / 900 / 1900 / 2100
Z50
-
Speed
GO 3
HSPA 21.1/5.76 Mbps
Z50
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
Stereo speakers
-
GPRS
GO 3
-
Z50
Yes
EDGE
GO 3
-
Z50
No
Announced
GO 3
2021, April. Released 2021, August
Z50
2014, November. Released 2015, January
Status
GO 3
Discontinued
Z50
Discontinued
Dimensions
GO 3
125.7 x 63.5 x 9 mm (4.95 x 2.5 x 0.35 in)
Z50
100.9 x 51.8 x 21.5 mm (3.97 x 2.04 x 0.85 in)
Weight
GO 3
84.5 g (3.00 oz)
Z50
120 g (4.23 oz)
SIM
GO 3
Nano-SIM + Nano-SIM
Z50
Dual SIM (Mini-SIM)
Type
GO 3
OLED
Z50
TFT, 256K colors
Size
GO 3
4.0 inches, 44.1 cm2 (~55.3% screen-to-body ratio)
Z50
2.4 inches, 17.8 cm2 (~34.1% screen-to-body ratio)
Resolution
GO 3
360 x 640 pixels, 16:9 ratio (~184 ppi density)
Z50
240 x 320 pixels, 4:3 ratio (~167 ppi density)
Protection
GO 3
AGC glass
Z50
-
OS
GO 3
Android 11 (Go edition)
Z50
-
Chipset
GO 3
Unisoc SC7731e
Z50
-
CPU
GO 3
Quad-core 1.3 GHz Cortex-A7
Z50
-
GPU
GO 3
Mali-400 MP2
Z50
-
Card slot
GO 3
microSDXC (dedicated slot)
Z50
No
Internal
GO 3
8GB 1GB RAM
Z50
8MB 8MB
Phonebook
GO 3
-
Z50
300 entries
Call records
GO 3
-
Z50
Yes
Single
GO 3
5 MP
Z50
2 MP
Features
GO 3
LED flash, Panorama, HDR
Z50
LED flash
Video
GO 3
720p@30fps
Z50
Yes
Single
GO 3
2 MP
Z50
-
Video
GO 3
Z50
-
Other
GO 3
-
Z50
No
Loudspeaker
GO 3
Yes
Z50
Yes
3.5mm jack
GO 3
Yes
Z50
No
WLAN
GO 3
Wi-Fi 802.11 b/g/n
Z50
No
Bluetooth
GO 3
4.2, A2DP, LE
Z50
2.1, EDR
Positioning
GO 3
GPS
Z50
No
NFC
GO 3
No
Z50
No
Radio
GO 3
FM radio
Z50
Stereo FM radio; built-in antenna
USB
GO 3
microUSB 2.0
Z50
microUSB
Sensors
GO 3
N/A
Z50
Messaging
GO 3
-
Z50
SMS
Games
GO 3
-
Z50
No
Java
GO 3
-
Z50
No
Other
GO 3
-
Z50
Video Player Music Player Organizer Voice memo Whatsapp
Type
GO 3
Li-Ion 1350 mAh, removable
Z50
Li-Ion 950 mAh, removable
Charging
GO 3
-
Z50
Charging dock
Stand-by
GO 3
-
Z50
Up to 190 h
Talk time
GO 3
-
Z50
Up to 7 h 30 min
Colors
GO 3
Black, Blue, Green
Z50
Black, White
Price
GO 3
About 50 EUR
Z50
-