Screen size
Sunny24.0"
Y51Winner: 5.5"+27%
Quick verdict
Y51 leads the measured specs 8-2.
Measured wins
Sunny2
2
spec wins
Ties
7
equal specs
Y51
8
spec wins
Overall winner
Screen size
Technology
Sunny2
GSM / HSPA
Y51
GSM / HSPA
2G bands
Sunny2
GSM 850 / 900 / 1800 / 1900
Y51
GSM 850 / 900 / 1800 / 1900
3G bands
Sunny2
HSDPA 900 / 2100
Y51
HSDPA 850 / 900 / 1900 / 2100
Speed
Sunny2
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
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
2017. Released 2017
Y51
2021, January 14
Status
Sunny2
Discontinued
Y51
Available. Released 2021, January 14
Dimensions
Sunny2
126.6 x 66.3 x 11.4 mm (4.98 x 2.61 x 0.45 in)
Y51
146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)
Weight
Sunny2
125 g (4.41 oz)
Y51
175 g (6.17 oz)
SIM
Sunny2
Dual SIM (Micro-SIM, dual stand-by)
Y51
Nano-SIM + Micro-SIM
Type
Sunny2
TFT
Y51
TN LCD
Size
Sunny2
4.0 inches, 45.5 cm2 (~54.3% screen-to-body ratio)
Y51
5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)
Resolution
Sunny2
480 x 800 pixels, 5:3 ratio (~233 ppi density)
Y51
480 x 960 pixels, 18:9 ratio (~197 ppi density)
OS
Sunny2
Android 6.0 (Marshmallow)
Y51
Android 10 (Go edition)
CPU
Sunny2
Quad-core 1.2 GHz Cortex-A7
Y51
Quad-core 1.3 GHz Cortex-A7
GPU
Sunny2
Mali-400
Y51
Mali-T820 MP1
Card slot
Sunny2
microSDHC
Y51
microSDXC
Internal
Sunny2
8GB 512MB RAM
Y51
8GB 1GB RAM, 16GB 1GB RAM
Single
Sunny2
5 MP
Y51
5 MP
Features
Sunny2
LED flash, panorama
Y51
LED flash, HDR
Video
Sunny2
720p@30fps
Y51
720p@30fps
Single
Sunny2
2 MP
Y51
5 MP
Video
Sunny2
Y51
Loudspeaker
Sunny2
Yes
Y51
Yes
3.5mm jack
Sunny2
Yes
Y51
Yes
WLAN
Sunny2
Wi-Fi 802.11 b/g/n
Y51
Wi-Fi 802.11 b/g/n
Bluetooth
Sunny2
2.1, A2DP, EDR
Y51
4.2, A2DP
Positioning
Sunny2
GPS
Y51
GPS
NFC
Sunny2
No
Y51
No
Radio
Sunny2
FM radio
Y51
FM Radio
USB
Sunny2
microUSB 2.0
Y51
microUSB 2.0
Sensors
Sunny2
Accelerometer, proximity, compass
Y51
Accelerometer, proximity
Languages
Sunny2
Space Grey, Gold, Lime, Silver, Bleen
Y51
-
Type
Sunny2
Li-Ion 1300 mAh, removable
Y51
Li-Ion 2500 mAh, removable
Colors
Sunny2
Y51
Deep Grey, Gold, Mint
Models
Sunny2
-
Y51
W-K211-TH
SAR
Sunny2
-
Y51
0.70 W/kg (head) 1.55 W/kg (body)
Price
Sunny2
-
Y51
About 70 EUR