Screen size
S337Winner: 5.0"+44%
X5182.8"
Quick verdict
S337 leads the measured specs 12-1.
Measured wins
S337
12
spec wins
Overall winner
Ties
3
equal specs
X518
1
spec wins
Screen size
Technology
S337
GSM / HSPA
X518
GSM
2G bands
S337
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
X518
GSM 900 / 1800 / 1900 - SIM 1, GSM 900 / 1800 / 1900 - SIM 2
3G bands
S337
HSDPA 900 / 2100
X518
-
Speed
S337
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
X518
-
GPRS
S337
-
X518
Class 12
EDGE
S337
-
X518
No
Announced
S337
2015, October. Released 2015, November
X518
2011, February. Released 2011, March
Status
S337
Discontinued
X518
Discontinued
Dimensions
S337
144.8 x 72.5 x 10.4 mm (5.70 x 2.85 x 0.41 in)
X518
104 x 57 x 14.3 mm (4.09 x 2.24 x 0.56 in)
Weight
S337
152 g (5.36 oz)
X518
108 g (3.81 oz)
SIM
S337
Dual SIM (Mini-SIM, dual stand-by)
X518
Dual SIM (Mini-SIM)
Type
S337
TFT, 256K colors
X518
TFT resistive touchscreen, 256K colors
Size
S337
5.0 inches, 68.9 cm2 (~65.6% screen-to-body ratio)
X518
2.8 inches, 24.3 cm2 (~41.0% screen-to-body ratio)
Resolution
S337
480 x 854 pixels, 16:9 ratio (~196 ppi density)
X518
240 x 320 pixels, 4:3 ratio (~143 ppi density)
Other
S337
-
X518
Handwriting recognition
OS
S337
Android 5.1 (Lollipop)
X518
-
CPU
S337
Quad-core 1.3 GHz
X518
-
Card slot
S337
microSDHC (dedicated slot)
X518
microSDHC (dedicated slot)
Internal
S337
8GB 1GB RAM
X518
1MB
Phonebook
S337
-
X518
Yes, Photocall
Call records
S337
-
X518
Yes
Single
S337
5 MP, AF
X518
2 MP
Features
S337
LED flash
X518
LED flash
Video
S337
Yes
X518
CIF@15fps
Single
S337
VGA
X518
-
Video
S337
X518
-
Other
S337
-
X518
No
Loudspeaker
S337
Yes
X518
Yes
3.5mm jack
S337
Yes
X518
No
WLAN
S337
Wi-Fi 802.11 b/g/n, hotspot
X518
No
Bluetooth
S337
4.0, A2DP
X518
2.0, A2DP
Positioning
S337
GPS
X518
No
NFC
S337
No
X518
-
Radio
S337
FM radio
X518
Stereo FM radio, RDS
USB
S337
microUSB 2.0
X518
miniUSB 2.0
Infrared port
S337
-
X518
Yes
Sensors
S337
Accelerometer, proximity
X518
Messaging
S337
-
X518
SMS, MMS, Email, IM
Browser
S337
-
X518
WAP 2.0/xHTML
Games
S337
-
X518
Yes + downloadable
Java
S337
-
X518
Yes, MIDP 2.0
Other
S337
-
X518
MP3/AAC+/WAV player MP4/H.263 player Organizer Voice memo Predictive text input
Type
S337
Li-Ion 2000 mAh, removable
X518
Removable Li-Ion 1530 mAh battery
Stand-by
S337
Up to 480 h (3G)
X518
Up to 1000 h
Talk time
S337
Up to 6 h 40 min (3G)
X518
Up to 12 h
Colors
S337
Black
X518
Black