Screen size
Lenny45.0"
Y51Winner: 5.5"+8.3%
Quick verdict
Lenny4 leads the measured specs 5-3.
Measured wins
Lenny4
5
spec wins
Overall winner
Ties
9
equal specs
Y51
3
spec wins
Screen size
Technology
Lenny4
GSM / HSPA
Y51
GSM / HSPA
2G bands
Lenny4
GSM 850 / 900 / 1800 / 1900
Y51
GSM 850 / 900 / 1800 / 1900
3G bands
Lenny4
HSDPA 900 / 1900 / 2100
Y51
HSDPA 850 / 900 / 1900 / 2100
Speed
Lenny4
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
equal specsStorage
Main camera
Front camera
equal specsBattery
equal specsWired 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
Lenny4
2017. Released 2017
Y51
2021, January 14
Status
Lenny4
Discontinued
Y51
Available. Released 2021, January 14
Dimensions
Lenny4
145 x 72.5 x 10.6 mm (5.71 x 2.85 x 0.42 in)
Y51
146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)
Weight
Lenny4
170.2 g (6.00 oz)
Y51
175 g (6.17 oz)
SIM
Lenny4
Dual SIM (Micro-SIM, dual stand-by)
Y51
Nano-SIM + Micro-SIM
Type
Lenny4
IPS LCD
Y51
TN LCD
Size
Lenny4
5.0 inches, 68.9 cm2 (~65.6% screen-to-body ratio)
Y51
5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)
Resolution
Lenny4
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Y51
480 x 960 pixels, 18:9 ratio (~197 ppi density)
OS
Lenny4
Android 7.0 (Nougat)
Y51
Android 10 (Go edition)
CPU
Lenny4
Quad-core 1.3 GHz Cortex-A7
Y51
Quad-core 1.3 GHz Cortex-A7
GPU
Lenny4
Mali-400 MP2
Y51
Mali-T820 MP1
Card slot
Lenny4
microSDXC
Y51
microSDXC
Internal
Lenny4
16GB 1GB RAM
Y51
8GB 1GB RAM, 16GB 1GB RAM
Single
Lenny4
8 MP, AF
Y51
5 MP
Features
Lenny4
LED flash, panorama, HDR
Y51
LED flash, HDR
Video
Lenny4
1080p@30fps
Y51
720p@30fps
Single
Lenny4
5 MP
Y51
5 MP
Video
Lenny4
Y51
Loudspeaker
Lenny4
Yes
Y51
Yes
3.5mm jack
Lenny4
Yes
Y51
Yes
WLAN
Lenny4
Wi-Fi 802.11 b/g/n
Y51
Wi-Fi 802.11 b/g/n
Bluetooth
Lenny4
4.0, A2DP
Y51
4.2, A2DP
Positioning
Lenny4
GPS
Y51
GPS
NFC
Lenny4
No
Y51
No
Radio
Lenny4
FM radio
Y51
FM Radio
USB
Lenny4
microUSB 2.0
Y51
microUSB 2.0
Sensors
Lenny4
Accelerometer, proximity
Y51
Accelerometer, proximity
Type
Lenny4
Li-Ion 2500 mAh, removable
Y51
Li-Ion 2500 mAh, removable
Colors
Lenny4
Black, Gold, Bleen, Lime, Rose Gold
Y51
Deep Grey, Gold, Mint
Models
Lenny4
-
Y51
W-K211-TH
SAR
Lenny4
-
Y51
0.70 W/kg (head) 1.55 W/kg (body)
Price
Lenny4
-
Y51
About 70 EUR