Screen size
S337Winner: 5.0"+36%
X8153.2"
Quick verdict
S337 leads the measured specs 10-1.
Measured wins
S337
10
spec wins
Overall winner
Ties
5
equal specs
X815
1
spec wins
Screen size
Technology
S337
GSM / HSPA
X815
GSM
2G bands
S337
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
X815
GSM 900 / 1800 / 1900 - SIM 1, GSM 900 / 1800 / 1900 - SIM 2
3G bands
S337
HSDPA 900 / 2100
X815
-
Speed
S337
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
X815
-
GPRS
S337
-
X815
Yes
EDGE
S337
-
X815
Yes
Announced
S337
2015, October. Released 2015, November
X815
2011, February. Released 2011, March
Status
S337
Discontinued
X815
Discontinued
Dimensions
S337
144.8 x 72.5 x 10.4 mm (5.70 x 2.85 x 0.41 in)
X815
113.3 x 55.6 x 14.6 mm (4.46 x 2.19 x 0.57 in)
Weight
S337
152 g (5.36 oz)
X815
139 g (4.90 oz)
SIM
S337
Dual SIM (Mini-SIM, dual stand-by)
X815
Dual SIM (Mini-SIM)
Type
S337
TFT, 256K colors
X815
TFT resistive touchscreen, 256K colors
Size
S337
5.0 inches, 68.9 cm2 (~65.6% screen-to-body ratio)
X815
3.2 inches, 29.1 cm2 (~46.3% screen-to-body ratio)
Resolution
S337
480 x 854 pixels, 16:9 ratio (~196 ppi density)
X815
240 x 400 pixels, 5:3 ratio (~146 ppi density)
Other
S337
-
X815
Handwriting recognition
OS
S337
Android 5.1 (Lollipop)
X815
-
CPU
S337
Quad-core 1.3 GHz
X815
-
Card slot
S337
microSDHC (dedicated slot)
X815
microSDHC (dedicated slot)
Internal
S337
8GB 1GB RAM
X815
47MB
Phonebook
S337
-
X815
Yes, Photocall
Call records
S337
-
X815
Yes
Single
S337
5 MP, AF
X815
5 MP, AF
Features
S337
LED flash
X815
LED flash
Video
S337
Yes
X815
480p@15fps
Single
S337
VGA
X815
-
Video
S337
X815
-
Other
S337
-
X815
No
Loudspeaker
S337
Yes
X815
Yes
3.5mm jack
S337
Yes
X815
Yes
WLAN
S337
Wi-Fi 802.11 b/g/n, hotspot
X815
No
Bluetooth
S337
4.0, A2DP
X815
2.0, A2DP, EDR
Positioning
S337
GPS
X815
GPS, A-GPS
NFC
S337
No
X815
-
Radio
S337
FM radio
X815
FM radio
USB
S337
microUSB 2.0
X815
miniUSB 2.0
Sensors
S337
Accelerometer, proximity
X815
Accelerometer
Messaging
S337
-
X815
SMS, MMS, Email, IM
Browser
S337
-
X815
WAP 2.0/xHTML
Games
S337
-
X815
Yes + downloadable
Java
S337
-
X815
Yes, MIDP 2.0
Other
S337
-
X815
MP3/AAC+/WAV player MP4/H.263 player Organizer Voice memo Predictive text input
Type
S337
Li-Ion 2000 mAh, removable
X815
Removable Li-Ion 1530 mAh battery
Stand-by
S337
Up to 480 h (3G)
X815
Up to 720 h
Talk time
S337
Up to 6 h 40 min (3G)
X815
Up to 12 h
Colors
S337
Black
X815
Black
Price
S337
-
X815
About 350 EUR