Screen size
Lenny25.0"
Y51Winner: 5.5"+8.3%
Quick verdict
Y51 leads the measured specs 8-2.
Measured wins
Lenny2
2
spec wins
Ties
8
equal specs
Y51
8
spec wins
Overall winner
Screen size
Technology
Lenny2
GSM / HSPA
Y51
GSM / HSPA
2G bands
Lenny2
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Y51
GSM 850 / 900 / 1800 / 1900
3G bands
Lenny2
HSDPA 900 / 2100
Y51
HSDPA 850 / 900 / 1900 / 2100
Speed
Lenny2
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
equal specsIP 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
Lenny2
2015, September. Released 2015, September
Y51
2021, January 14
Status
Lenny2
Discontinued
Y51
Available. Released 2021, January 14
Dimensions
Lenny2
145.4 x 73.2 x 9 mm (5.72 x 2.88 x 0.35 in)
Y51
146.6 x 72.3 x 9 mm (5.77 x 2.85 x 0.35 in)
Weight
Lenny2
156 g (5.50 oz)
Y51
175 g (6.17 oz)
SIM
Lenny2
Dual SIM (Micro-SIM)
Y51
Nano-SIM + Micro-SIM
Type
Lenny2
IPS LCD
Y51
TN LCD
Size
Lenny2
5.0 inches, 68.9 cm2 (~64.7% screen-to-body ratio)
Y51
5.45 inches, 76.7 cm2 (~72.3% screen-to-body ratio)
Resolution
Lenny2
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Y51
480 x 960 pixels, 18:9 ratio (~197 ppi density)
OS
Lenny2
Android 5.1 (Lollipop)
Y51
Android 10 (Go edition)
Chipset
Lenny2
Mediatek MT6580M (28 nm)
Y51
-
CPU
Lenny2
Quad-core 1.3 GHz Cortex-A7
Y51
Quad-core 1.3 GHz Cortex-A7
GPU
Lenny2
Mali-400MP2
Y51
Mali-T820 MP1
Card slot
Lenny2
microSDXC
Y51
microSDXC
Internal
Lenny2
4GB 768MB RAM
Y51
8GB 1GB RAM, 16GB 1GB RAM
Single
Lenny2
5 MP
Y51
5 MP
Features
Lenny2
LED flash, panorama, HDR
Y51
LED flash, HDR
Video
Lenny2
1080p@30fps
Y51
720p@30fps
Single
Lenny2
2 MP
Y51
5 MP
Video
Lenny2
Y51
Loudspeaker
Lenny2
Yes, with stereo speakers
Y51
Yes
3.5mm jack
Lenny2
Yes
Y51
Yes
WLAN
Lenny2
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Y51
Wi-Fi 802.11 b/g/n
Bluetooth
Lenny2
4.0, A2DP
Y51
4.2, A2DP
Positioning
Lenny2
GPS
Y51
GPS
NFC
Lenny2
No
Y51
No
Radio
Lenny2
FM radio
Y51
FM Radio
USB
Lenny2
microUSB 2.0, OTG
Y51
microUSB 2.0
Sensors
Lenny2
Accelerometer, proximity
Y51
Accelerometer, proximity
Type
Lenny2
Li-Po 1800 mAh, removable
Y51
Li-Ion 2500 mAh, removable
Stand-by
Lenny2
Up to 240 h (2G) / Up to 240 h (3G)
Y51
-
Talk time
Lenny2
Up to 11 h 40 min (2G) / Up to 12 h 10 min (3G)
Y51
-
Colors
Lenny2
Black, White, Coral, Bleen, Blue
Y51
Deep Grey, Gold, Mint
Models
Lenny2
LENNY2
Y51
W-K211-TH
SAR EU
Lenny2
0.33 W/kg (head) 0.41 W/kg (body)
Y51
-
Price
Lenny2
About 120 EUR
Y51
About 70 EUR
SAR
Lenny2
-
Y51
0.70 W/kg (head) 1.55 W/kg (body)