Screen size
equal specsSunny3 Plus5.5"
Y515.5"
Quick verdict
Y51 leads the measured specs 4-0.
Measured wins
Sunny3 Plus
0
spec wins
Ties
13
equal specs
Y51
4
spec wins
Overall winner
Screen size
equal specsTechnology
Sunny3 Plus
GSM / HSPA
Y51
GSM / HSPA
2G bands
Sunny3 Plus
GSM 850 / 900 / 1800 / 1900
Y51
GSM 850 / 900 / 1800 / 1900
3G bands
Sunny3 Plus
HSDPA 850 / 900 / 2100
Y51
HSDPA 850 / 900 / 1900 / 2100
Speed
Sunny3 Plus
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
equal specsRAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
equal specsThickness
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
Sunny3 Plus
2019. Released 2019
Y51
2021, January 14
Status
Sunny3 Plus
Discontinued
Y51
Available. Released 2021, January 14
Dimensions
Sunny3 Plus
148 x 72 x 9.3 mm (5.83 x 2.83 x 0.37 in)
Y51
146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)
Weight
Sunny3 Plus
175 g (6.17 oz)
Y51
175 g (6.17 oz)
SIM
Sunny3 Plus
Dual SIM (Micro-SIM, dual stand-by)
Y51
Nano-SIM + Micro-SIM
Type
Sunny3 Plus
TN TFT LCD
Y51
TN LCD
Size
Sunny3 Plus
5.45 inches, 76.7 cm2 (~71.9% screen-to-body ratio)
Y51
5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)
Resolution
Sunny3 Plus
480 x 960 pixels, 18:9 ratio (~197 ppi density)
Y51
480 x 960 pixels, 18:9 ratio (~197 ppi density)
OS
Sunny3 Plus
Android 8.0 Oreo (Go edition)
Y51
Android 10 (Go edition)
CPU
Sunny3 Plus
Quad-core 1.3 GHz Cortex-A7
Y51
Quad-core 1.3 GHz Cortex-A7
GPU
Sunny3 Plus
Mali-400 MP2
Y51
Mali-T820 MP1
Card slot
Sunny3 Plus
microSDXC
Y51
microSDXC
Internal
Sunny3 Plus
8GB 1GB RAM
Y51
8GB 1GB RAM, 16GB 1GB RAM
Single
Sunny3 Plus
5 MP
Y51
5 MP
Features
Sunny3 Plus
LED flash, HDR
Y51
LED flash, HDR
Video
Sunny3 Plus
1080p@30fps
Y51
720p@30fps
Single
Sunny3 Plus
2 MP
Y51
5 MP
Video
Sunny3 Plus
Y51
Loudspeaker
Sunny3 Plus
Yes
Y51
Yes
3.5mm jack
Sunny3 Plus
Yes
Y51
Yes
WLAN
Sunny3 Plus
Wi-Fi 802.11 b/g/n
Y51
Wi-Fi 802.11 b/g/n
Bluetooth
Sunny3 Plus
4.0, A2DP, LE
Y51
4.2, A2DP
Positioning
Sunny3 Plus
GPS
Y51
GPS
NFC
Sunny3 Plus
No
Y51
No
Radio
Sunny3 Plus
FM radio
Y51
FM Radio
USB
Sunny3 Plus
microUSB 2.0
Y51
microUSB 2.0
Sensors
Sunny3 Plus
Accelerometer, proximity
Y51
Accelerometer, proximity
Type
Sunny3 Plus
Li-Ion 2200 mAh
Y51
Li-Ion 2500 mAh, removable
Colors
Sunny3 Plus
Anthracite, Gold, Cherry Red, Grey
Y51
Deep Grey, Gold, Mint
Price
Sunny3 Plus
About 50 EUR
Y51
About 70 EUR
Models
Sunny3 Plus
-
Y51
W-K211-TH
SAR
Sunny3 Plus
-
Y51
0.70 W/kg (head) 1.55 W/kg (body)