Screen size
GO 1Winner: 4.0"+55%
Ritmo YZ4001.8"
Quick verdict
GO 1 leads the measured specs 13-1.
Measured wins
GO 1
13
spec wins
Overall winner
Ties
3
equal specs
Ritmo YZ400
1
spec wins
Screen size
Technology
GO 1
GSM / HSPA
Ritmo YZ400
GSM
2G bands
GO 1
GSM 850 / 900 / 1800 / 1900
Ritmo YZ400
GSM 850 / 900 / 1800 / 1900 - SIM 1, GSM 850 / 900 / 1800 / 1900 - SIM 2
3G bands
GO 1
HSDPA 850 / 900 / 1900 / 2100
Ritmo YZ400
-
Speed
GO 1
HSPA 21.1/5.76 Mbps
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
3.5mm jack
equal specsSD card
equal specsStereo speakers
Ritmo YZ400
-
GPRS
GO 1
-
Ritmo YZ400
Up to 48 kbps
EDGE
GO 1
-
Ritmo YZ400
No
Announced
GO 1
2020, February. Released 2020, July 28
Ritmo YZ400
2011, November. Released 2011, November
Status
GO 1
Discontinued
Ritmo YZ400
Discontinued
Dimensions
GO 1
128.5 x 65.2 x 11 mm (5.06 x 2.57 x 0.43 in)
Ritmo YZ400
106.7 x 45.1 x 13.5 mm (4.20 x 1.78 x 0.53 in)
Weight
GO 1
123 g (4.34 oz)
Ritmo YZ400
55 g without battery (1.94 oz)
SIM
GO 1
Nano-SIM + Nano-SIM
Ritmo YZ400
Dual SIM (Mini-SIM)
Type
GO 1
TFT LCD
Ritmo YZ400
TFT, 65K colors
Size
GO 1
4.0 inches, 45.5 cm2 (~54.4% screen-to-body ratio)
Ritmo YZ400
1.8 inches, 10.0 cm2 (~20.9% screen-to-body ratio)
Resolution
GO 1
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Ritmo YZ400
120 x 160 pixels, 4:3 ratio (~111 ppi density)
OS
GO 1
Android 10 (Go edition)
Ritmo YZ400
-
Chipset
GO 1
Mediatek MT6580 (28 nm)
Ritmo YZ400
-
CPU
GO 1
Quad-core 1.3 GHz
Ritmo YZ400
-
GPU
GO 1
Mali-400
Ritmo YZ400
-
Card slot
GO 1
microSDXC (dedicated slot)
Ritmo YZ400
microSDHC (dedicated slot)
Internal
GO 1
8GB 1GB RAM
Ritmo YZ400
64MB 32MB
Phonebook
GO 1
-
Ritmo YZ400
Yes
Call records
GO 1
-
Ritmo YZ400
Yes
Single
GO 1
5 MP
Ritmo YZ400
1.3 MP
Features
GO 1
LED flash, Panorama, HDR
Ritmo YZ400
-
Video
GO 1
720p
Ritmo YZ400
Yes
Single
GO 1
2 MP
Ritmo YZ400
-
Video
GO 1
Ritmo YZ400
-
Other
GO 1
-
Ritmo YZ400
No
Loudspeaker
GO 1
Yes
Ritmo YZ400
Yes
3.5mm jack
GO 1
Yes
Ritmo YZ400
Yes
WLAN
GO 1
Wi-Fi 802.11 a/b/g/n
Ritmo YZ400
No
Bluetooth
GO 1
4.0, A2DP, LE
Ritmo YZ400
2.0
Positioning
GO 1
GPS
Ritmo YZ400
No
NFC
GO 1
No
Ritmo YZ400
-
Radio
GO 1
FM radio
Ritmo YZ400
Stereo FM radio, recording
USB
GO 1
microUSB 2.0
Ritmo YZ400
microUSB
Sensors
GO 1
Accelerometer
Ritmo YZ400
Messaging
GO 1
-
Ritmo YZ400
SMS, MMS, IM
Games
GO 1
-
Ritmo YZ400
Yes
Java
GO 1
-
Ritmo YZ400
No
Other
GO 1
-
Ritmo YZ400
Facebook, MSN, Twitter, Yahoo Video Player Music Player Organizer Predictive text input
Type
GO 1
Li-Ion 1400 mAh, removable
Ritmo YZ400
Removable Li-Ion 800 mAh battery
Stand-by
GO 1
-
Ritmo YZ400
Up to 144 h
Talk time
GO 1
-
Ritmo YZ400
Up to 3 h
Colors
GO 1
Black
Ritmo YZ400
Blue, Gray, Pink, Red, Violet
SAR
GO 1
-
Ritmo YZ400
1.02 W/kg (head) 0.58 W/kg (body)