Screen size
S337Winner: 5.0"+56%
X3122.2"
Quick verdict
S337 leads the measured specs 13-1.
Measured wins
S337
13
spec wins
Overall winner
Ties
2
equal specs
X312
1
spec wins
Screen size
Technology
S337
GSM / HSPA
X312
GSM
2G bands
S337
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
X312
GSM 900 / 1800 / 1900
3G bands
S337
HSDPA 900 / 2100
X312
-
Speed
S337
HSPA 21.1/5.76 Mbps
X312
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
-
GPRS
S337
-
X312
Class 12
EDGE
S337
-
X312
No
Announced
S337
2015, October. Released 2015, November
X312
2010, April. Released 2010, April
Status
S337
Discontinued
X312
Discontinued
Dimensions
S337
144.8 x 72.5 x 10.4 mm (5.70 x 2.85 x 0.41 in)
X312
111 x 46.6 x 14.2 mm (4.37 x 1.83 x 0.56 in)
Weight
S337
152 g (5.36 oz)
X312
101 g (3.56 oz)
SIM
S337
Dual SIM (Mini-SIM, dual stand-by)
X312
Mini-SIM
Type
S337
TFT, 256K colors
X312
TFT, 256K colors
Size
S337
5.0 inches, 68.9 cm2 (~65.6% screen-to-body ratio)
X312
2.2 inches, 15.0 cm2 (~29.0% screen-to-body ratio)
Resolution
S337
480 x 854 pixels, 16:9 ratio (~196 ppi density)
X312
240 x 320 pixels, 4:3 ratio (~182 ppi density)
OS
S337
Android 5.1 (Lollipop)
X312
-
CPU
S337
Quad-core 1.3 GHz
X312
-
Card slot
S337
microSDHC (dedicated slot)
X312
microSD (dedicated slot)
Internal
S337
8GB 1GB RAM
X312
5MB
Phonebook
S337
-
X312
1000 entries, Photocall
Call records
S337
-
X312
Yes
Single
S337
5 MP, AF
X312
2 MP
Features
S337
LED flash
X312
-
Video
S337
Yes
X312
176x144@15fps
Single
S337
VGA
X312
-
Video
S337
X312
-
Other
S337
-
X312
No
Loudspeaker
S337
Yes
X312
Yes
3.5mm jack
S337
Yes
X312
No
WLAN
S337
Wi-Fi 802.11 b/g/n, hotspot
X312
No
Bluetooth
S337
4.0, A2DP
X312
2.0, A2DP
Positioning
S337
GPS
X312
No
NFC
S337
No
X312
-
Radio
S337
FM radio
X312
FM radio, RDS
USB
S337
microUSB 2.0
X312
miniUSB 1.1
Sensors
S337
Accelerometer, proximity
X312
Messaging
S337
-
X312
SMS(threaded view), MMS, Email
Browser
S337
-
X312
WAP 2.0/xHTML
Games
S337
-
X312
Yes + downloadable
Java
S337
-
X312
Yes, MIDP 2.0
Other
S337
-
X312
MP3/WAV/AAC+ player MP4/H.263 player Organizer Voice memo Predictive text input
Type
S337
Li-Ion 2000 mAh, removable
X312
Removable Li-Ion 1050 mAh battery
Stand-by
S337
Up to 480 h (3G)
X312
Up to 744 h
Talk time
S337
Up to 6 h 40 min (3G)
X312
Up to 8 h 30 min
Colors
S337
Black
X312
Grey