Screen size
Highway Signs4.7"
Y51Winner: 5.5"+14%
Quick verdict
Highway Signs leads the measured specs 7-3.
Measured wins
Highway Signs
7
spec wins
Overall winner
Ties
8
equal specs
Y51
3
spec wins
Screen size
Technology
Highway Signs
GSM / HSPA
Y51
GSM / HSPA
2G bands
Highway Signs
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Y51
GSM 850 / 900 / 1800 / 1900
3G bands
Highway Signs
HSDPA 900 / 1900 / 2100
Y51
HSDPA 850 / 900 / 1900 / 2100
Speed
Highway Signs
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Y51
HSPA 42.2/5.76 Mbps
Announced
Highway Signs
2014, September. Released 2014, October
Y51
2021, January 14
Status
Highway Signs
Discontinued
Y51
Available. Released 2021, January 14
Dimensions
Highway Signs
138 x 68 x 7.6 mm (5.43 x 2.68 x 0.30 in)
Y51
146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)
Weight
Highway Signs
124 g (4.37 oz)
Y51
175 g (6.17 oz)
SIM
Highway Signs
Nano-SIM + Micro-SIM
Y51
Nano-SIM + Micro-SIM
Type
Highway Signs
IPS LCD
Y51
TN LCD
Size
Highway Signs
4.7 inches, 60.9 cm2 (~64.9% screen-to-body ratio)
Y51
5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)
Resolution
Highway Signs
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Y51
480 x 960 pixels, 18:9 ratio (~197 ppi density)
Protection
Highway Signs
Corning Gorilla Glass 2
Y51
-
OS
Highway Signs
Android 4.4.2 (KitKat)
Y51
Android 10 (Go edition)
Chipset
Highway Signs
Mediatek MT6592M (28 nm)
Y51
-
CPU
Highway Signs
Octa-core 1.4 GHz Cortex-A7
Y51
Quad-core 1.3 GHz Cortex-A7
GPU
Highway Signs
Mali-450MP4
Y51
Mali-T820 MP1
Card slot
Highway Signs
microSDHC
Y51
microSDXC
Internal
Highway Signs
8GB 1GB RAM
Y51
8GB 1GB RAM, 16GB 1GB RAM
Single
Highway Signs
8 MP, AF
Y51
5 MP
Features
Highway Signs
LED flash, HDR, panorama
Y51
LED flash, HDR
Video
Highway Signs
720p@30fps
Y51
720p@30fps
Single
Highway Signs
5 MP
Y51
5 MP
Video
Highway Signs
Y51
Loudspeaker
Highway Signs
Yes, with stereo speakers
Y51
Yes
3.5mm jack
Highway Signs
Yes
Y51
Yes
WLAN
Highway Signs
Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
Y51
Wi-Fi 802.11 b/g/n
Bluetooth
Highway Signs
4.0, A2DP
Y51
4.2, A2DP
Positioning
Highway Signs
GPS
Y51
GPS
NFC
Highway Signs
No
Y51
No
Radio
Highway Signs
FM radio
Y51
FM Radio
USB
Highway Signs
microUSB 2.0, OTG
Y51
microUSB 2.0
Sensors
Highway Signs
Accelerometer, gyro, proximity, compass
Y51
Accelerometer, proximity
Type
Highway Signs
Li-Ion 2000 mAh, non-removable
Y51
Li-Ion 2500 mAh, removable
Stand-by
Highway Signs
Up to 230 h
Y51
-
Talk time
Highway Signs
Up to 14 h 15 min (2G) / Up to 8 h 30 min (3G)
Y51
-
Colors
Highway Signs
White, Coral, Grey , Electric blue, Purple
Y51
Deep Grey, Gold, Mint
SAR
Highway Signs
0.24 W/kg (head) 0.37 W/kg (body)
Y51
0.70 W/kg (head) 1.55 W/kg (body)
SAR EU
Highway Signs
0.24 W/kg (head) 0.37 W/kg (body)
Y51
-
Price
Highway Signs
About 200 EUR
Y51
About 70 EUR
Models
Highway Signs
-
Y51
W-K211-TH