Screen size
Lenny35.0"
Y51Winner: 5.5"+8.3%
Quick verdict
Y51 leads the measured specs 5-4.
Measured wins
Lenny3
4
spec wins
Ties
8
equal specs
Y51
5
spec wins
Overall winner
Screen size
Technology
Lenny3
GSM / HSPA
Y51
GSM / HSPA
2G bands
Lenny3
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Y51
GSM 850 / 900 / 1800 / 1900
3G bands
Lenny3
HSDPA 900 / 1900 / 2100
Y51
HSDPA 850 / 900 / 1900 / 2100
Speed
Lenny3
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
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
Lenny3
2016, February. Released 2016, May
Y51
2021, January 14
Status
Lenny3
Discontinued
Y51
Available. Released 2021, January 14
Dimensions
Lenny3
145 x 73.1 x 9.9 mm (5.71 x 2.88 x 0.39 in)
Y51
146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)
Weight
Lenny3
177 g (6.24 oz)
Y51
175 g (6.17 oz)
SIM
Lenny3
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
Y51
Nano-SIM + Micro-SIM
Type
Lenny3
IPS LCD
Y51
TN LCD
Size
Lenny3
5.0 inches, 68.9 cm2 (~65.0% screen-to-body ratio)
Y51
5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)
Resolution
Lenny3
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Y51
480 x 960 pixels, 18:9 ratio (~197 ppi density)
OS
Lenny3
Android 6.0.1 (Marshmallow)
Y51
Android 10 (Go edition)
Chipset
Lenny3
Mediatek MT6580M (28 nm)
Y51
-
CPU
Lenny3
Quad-core 1.3 GHz Cortex-A7
Y51
Quad-core 1.3 GHz Cortex-A7
GPU
Lenny3
Mali-400MP2
Y51
Mali-T820 MP1
Card slot
Lenny3
microSDXC
Y51
microSDXC
Internal
Lenny3
16GB 1GB RAM
Y51
8GB 1GB RAM, 16GB 1GB RAM
Single
Lenny3
8 MP, f/2.0, 1/4.0", 1.12µm
Y51
5 MP
Features
Lenny3
LED flash, panorama, HDR
Y51
LED flash, HDR
Video
Lenny3
1080p@25fps
Y51
720p@30fps
Single
Lenny3
5 MP, f/2.4, 1/5.0", 1.1µm
Y51
5 MP
Video
Lenny3
Y51
Loudspeaker
Lenny3
Yes
Y51
Yes
3.5mm jack
Lenny3
Yes
Y51
Yes
WLAN
Lenny3
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Y51
Wi-Fi 802.11 b/g/n
Bluetooth
Lenny3
4.0, A2DP
Y51
4.2, A2DP
Positioning
Lenny3
GPS
Y51
GPS
NFC
Lenny3
No
Y51
No
Radio
Lenny3
FM radio
Y51
FM Radio
USB
Lenny3
microUSB 2.0, OTG
Y51
microUSB 2.0
Sensors
Lenny3
Accelerometer, proximity
Y51
Accelerometer, proximity
Type
Lenny3
Li-Ion 2000 mAh battery
Y51
Li-Ion 2500 mAh, removable
Stand-by
Lenny3
Up to 450 h (2G) / Up to 450 h (3G)
Y51
-
Talk time
Lenny3
Up to 17 h (2G) / Up to 13 h (3G)
Y51
-
Colors
Lenny3
Space Grey, Bleen, Lime, Cinnabar, Gold, Rose Gold
Y51
Deep Grey, Gold, Mint
Models
Lenny3
LENNY3
Y51
W-K211-TH
SAR EU
Lenny3
0.36 W/kg (head) 0.29 W/kg (body)
Y51
-
SAR
Lenny3
-
Y51
0.70 W/kg (head) 1.55 W/kg (body)
Price
Lenny3
-
Y51
About 70 EUR