Screen size
S337Winner: 5.0"+40%
X5253.0"
Quick verdict
S337 leads the measured specs 10-2.
Measured wins
S337
10
spec wins
Overall winner
Ties
4
equal specs
X525
2
spec wins
Screen size
Technology
S337
GSM / HSPA
X525
GSM
2G bands
S337
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
X525
GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
S337
HSDPA 900 / 2100
X525
-
Speed
S337
HSPA 21.1/5.76 Mbps
X525
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
equal specsSD card
equal specsStereo speakers
-
GPRS
S337
-
X525
Class 12
EDGE
S337
-
X525
Yes
Announced
S337
2015, October. Released 2015, November
X525
2011, Q3
Status
S337
Discontinued
X525
Discontinued
Dimensions
S337
144.8 x 72.5 x 10.4 mm (5.70 x 2.85 x 0.41 in)
X525
160 x 51 x 14.4 mm (6.30 x 2.01 x 0.57 in)
Weight
S337
152 g (5.36 oz)
X525
108 g (3.81 oz)
SIM
S337
Dual SIM (Mini-SIM, dual stand-by)
X525
Dual SIM (Mini-SIM, dual stand-by)
Type
S337
TFT, 256K colors
X525
TFT resistive touchscreen, 256K colors
Size
S337
5.0 inches, 68.9 cm2 (~65.6% screen-to-body ratio)
X525
3.0 inches, 25.6 cm2 (~31.4% screen-to-body ratio)
Resolution
S337
480 x 854 pixels, 16:9 ratio (~196 ppi density)
X525
240 x 400 pixels, 5:3 ratio (~155 ppi density)
OS
S337
Android 5.1 (Lollipop)
X525
-
CPU
S337
Quad-core 1.3 GHz
X525
-
Card slot
S337
microSDHC (dedicated slot)
X525
microSDHC (dedicated slot)
Internal
S337
8GB 1GB RAM
X525
44MB
Phonebook
S337
-
X525
Yes, Photocall
Call records
S337
-
X525
Yes
Single
S337
5 MP, AF
X525
3.15 MP
Features
S337
LED flash
X525
LED flash
Video
S337
Yes
X525
QCIF
Single
S337
VGA
X525
-
Video
S337
X525
-
Other
S337
-
X525
No
Loudspeaker
S337
Yes
X525
Yes
3.5mm jack
S337
Yes
X525
Yes
WLAN
S337
Wi-Fi 802.11 b/g/n, hotspot
X525
No
Bluetooth
S337
4.0, A2DP
X525
2.1, A2DP
Positioning
S337
GPS
X525
No
NFC
S337
No
X525
-
Radio
S337
FM radio
X525
Stereo FM radio, RDS
USB
S337
microUSB 2.0
X525
miniUSB 2.0
Sensors
S337
Accelerometer, proximity
X525
Messaging
S337
-
X525
SMS(threaded view), MMS, Email
Games
S337
-
X525
Yes
Java
S337
-
X525
Yes
Other
S337
-
X525
MP3/WAV/WMA/AAC+ player MP4/H.263 player Organizer Voice memo Predictive text input
Type
S337
Li-Ion 2000 mAh, removable
X525
Removable Li-Ion 1530 mAh battery
Stand-by
S337
Up to 480 h (3G)
X525
Up to 1080 h
Talk time
S337
Up to 6 h 40 min (3G)
X525
Up to 14 h
Colors
S337
Black
X525
Silver