Screen size
Lenny5.0"
Y51Winner: 5.5"+8.3%
Quick verdict
Y51 leads the measured specs 9-2.
Measured wins
Lenny
2
spec wins
Ties
7
equal specs
Y51
9
spec wins
Overall winner
Screen size
Technology
Lenny
GSM / HSPA
Y51
GSM / HSPA
2G bands
Lenny
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Y51
GSM 850 / 900 / 1800 / 1900
3G bands
Lenny
HSDPA 900 / 1900 / 2100
Y51
HSDPA 850 / 900 / 1900 / 2100
Speed
Lenny
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
Main 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
Lenny
2014, August. Released 2014, August
Y51
2021, January 14
Status
Lenny
Discontinued
Y51
Available. Released 2021, January 14
Dimensions
Lenny
143 x 73 x 9.6 mm (5.63 x 2.87 x 0.38 in)
Y51
146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)
Weight
Lenny
174 g (6.14 oz)
Y51
175 g (6.17 oz)
SIM
Lenny
Dual SIM (Mini-SIM)
Y51
Nano-SIM + Micro-SIM
Type
Lenny
TFT
Y51
TN LCD
Size
Lenny
5.0 inches, 68.9 cm2 (~66.0% screen-to-body ratio)
Y51
5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)
Resolution
Lenny
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Y51
480 x 960 pixels, 18:9 ratio (~197 ppi density)
OS
Lenny
Android 4.4.2 (KitKat)
Y51
Android 10 (Go edition)
Chipset
Lenny
Mediatek MT6572 (28 nm)
Y51
-
CPU
Lenny
Dual-core 1.3 GHz Cortex-A7
Y51
Quad-core 1.3 GHz Cortex-A7
GPU
Lenny
Mali-400
Y51
Mali-T820 MP1
Card slot
Lenny
microSDHC
Y51
microSDXC
Internal
Lenny
4GB 512MB RAM
Y51
8GB 1GB RAM, 16GB 1GB RAM
Single
Lenny
5 MP
Y51
5 MP
Features
Lenny
LED flash, panorama
Y51
LED flash, HDR
Video
Lenny
720p@30fps
Y51
720p@30fps
Single
Lenny
1.3 MP
Y51
5 MP
Video
Lenny
Y51
Loudspeaker
Lenny
Yes, with stereo speakers
Y51
Yes
3.5mm jack
Lenny
Yes
Y51
Yes
WLAN
Lenny
Wi-Fi 802.11 b/g/n, hotspot
Y51
Wi-Fi 802.11 b/g/n
Bluetooth
Lenny
4.0, A2DP
Y51
4.2, A2DP
Positioning
Lenny
GPS
Y51
GPS
NFC
Lenny
No
Y51
No
Radio
Lenny
FM radio
Y51
FM Radio
USB
Lenny
microUSB 2.0
Y51
microUSB 2.0
Sensors
Lenny
Accelerometer, proximity
Y51
Accelerometer, proximity
Type
Lenny
Li-Ion 1800 mAh, removable
Y51
Li-Ion 2500 mAh, removable
Stand-by
Lenny
Up to 336 h (2G) / Up to 336 h (3G)
Y51
-
Talk time
Lenny
Up to 16 h (2G) / Up to 8 h 30 min (3G)
Y51
-
Colors
Lenny
Black/Bleen, White/Silver, Bleen/Black, Violet/Coral, Yellow/Bleen
Y51
Deep Grey, Gold, Mint
SAR EU
Lenny
0.48 W/kg (head) 0.80 W/kg (body)
Y51
-
Price
Lenny
About 100 EUR
Y51
About 70 EUR
Models
Lenny
-
Y51
W-K211-TH
SAR
Lenny
-
Y51
0.70 W/kg (head) 1.55 W/kg (body)