Screen size
Sunny2 Plus5.0"
Y51Winner: 5.5"+8.3%
Quick verdict
Y51 leads the measured specs 7-1.
Measured wins
Sunny2 Plus
1
spec wins
Ties
9
equal specs
Y51
7
spec wins
Overall winner
Screen size
Technology
Sunny2 Plus
GSM / HSPA
Y51
GSM / HSPA
2G bands
Sunny2 Plus
GSM 850 / 900 / 1800 / 1900
Y51
GSM 850 / 900 / 1800 / 1900
3G bands
Sunny2 Plus
HSDPA 900 / 2100
Y51
HSDPA 850 / 900 / 1900 / 2100
Speed
Sunny2 Plus
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
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
Sunny2 Plus
2017. Released 2017
Y51
2021, January 14
Status
Sunny2 Plus
Discontinued
Y51
Available. Released 2021, January 14
Dimensions
Sunny2 Plus
146.3 x 73.7 x 9.8 mm (5.76 x 2.90 x 0.39 in)
Y51
146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)
Weight
Sunny2 Plus
165 g (5.82 oz)
Y51
175 g (6.17 oz)
SIM
Sunny2 Plus
Dual SIM (Micro-SIM/Mini-SIM, dual stand-by)
Y51
Nano-SIM + Micro-SIM
Type
Sunny2 Plus
TFT
Y51
TN LCD
Size
Sunny2 Plus
5.0 inches, 68.9 cm2 (~63.9% screen-to-body ratio)
Y51
5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)
Resolution
Sunny2 Plus
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Y51
480 x 960 pixels, 18:9 ratio (~197 ppi density)
OS
Sunny2 Plus
Android 7.0 (Nougat)
Y51
Android 10 (Go edition)
CPU
Sunny2 Plus
Quad-core 1.3 GHz Cortex-A7
Y51
Quad-core 1.3 GHz Cortex-A7
GPU
Sunny2 Plus
Mali-400
Y51
Mali-T820 MP1
Card slot
Sunny2 Plus
microSDXC
Y51
microSDXC
Internal
Sunny2 Plus
8GB 1GB RAM
Y51
8GB 1GB RAM, 16GB 1GB RAM
Single
Sunny2 Plus
5 MP
Y51
5 MP
Features
Sunny2 Plus
LED flash, panorama, HDR
Y51
LED flash, HDR
Video
Sunny2 Plus
720p@30fps
Y51
720p@30fps
Single
Sunny2 Plus
2 MP
Y51
5 MP
Video
Sunny2 Plus
Y51
Loudspeaker
Sunny2 Plus
Yes
Y51
Yes
3.5mm jack
Sunny2 Plus
Yes
Y51
Yes
WLAN
Sunny2 Plus
Wi-Fi 802.11 b/g/n
Y51
Wi-Fi 802.11 b/g/n
Bluetooth
Sunny2 Plus
4.0, A2DP
Y51
4.2, A2DP
Positioning
Sunny2 Plus
GPS
Y51
GPS
NFC
Sunny2 Plus
No
Y51
No
Radio
Sunny2 Plus
FM radio
Y51
FM Radio
USB
Sunny2 Plus
microUSB 2.0
Y51
microUSB 2.0
Sensors
Sunny2 Plus
Accelerometer
Y51
Accelerometer, proximity
Languages
Sunny2 Plus
Black, Gold, Bleen, Lime, Silver
Y51
-
Type
Sunny2 Plus
Li-Ion 2000 mAh, removable
Y51
Li-Ion 2500 mAh, removable
Colors
Sunny2 Plus
Y51
Deep Grey, Gold, Mint
Models
Sunny2 Plus
Sunny2 Plus
Y51
W-K211-TH
SAR
Sunny2 Plus
-
Y51
0.70 W/kg (head) 1.55 W/kg (body)
Price
Sunny2 Plus
-
Y51
About 70 EUR