Screen size
S337Winner: 5.0"+36%
W8203.2"
Quick verdict
S337 leads the measured specs 9-2.
Measured wins
S337
9
spec wins
Overall winner
Ties
5
equal specs
W820
2
spec wins
Screen size
Technology
S337
GSM / HSPA
W820
GSM / HSPA
2G bands
S337
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
W820
GSM 900 / 1800 / 1900
3G bands
S337
HSDPA 900 / 2100
W820
HSDPA 2100
Speed
S337
HSPA 21.1/5.76 Mbps
W820
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
HSPA 7.2/0.384 Mbps
Announced
S337
2015, October. Released 2015, November
W820
2012, March
Status
S337
Discontinued
W820
Discontinued
Dimensions
S337
144.8 x 72.5 x 10.4 mm (5.70 x 2.85 x 0.41 in)
W820
114.6 x 57.7 x 14.8 mm (4.51 x 2.27 x 0.58 in)
Weight
S337
152 g (5.36 oz)
W820
143 g (5.04 oz)
SIM
S337
Dual SIM (Mini-SIM, dual stand-by)
W820
Mini-SIM
Type
S337
TFT, 256K colors
W820
TFT
Size
S337
5.0 inches, 68.9 cm2 (~65.6% screen-to-body ratio)
W820
3.2 inches, 30.5 cm2 (~46.1% screen-to-body ratio)
Resolution
S337
480 x 854 pixels, 16:9 ratio (~196 ppi density)
W820
320 x 480 pixels, 3:2 ratio (~180 ppi density)
OS
S337
Android 5.1 (Lollipop)
W820
Android 2.3 (Gingerbread)
CPU
S337
Quad-core 1.3 GHz
W820
-
Card slot
S337
microSDHC (dedicated slot)
W820
microSDHC (dedicated slot)
Internal
S337
8GB 1GB RAM
W820
512MB
Single
S337
5 MP, AF
W820
5 MP, AF
Features
S337
LED flash
W820
LED flash
Video
S337
Yes
W820
176x144@15fps
Single
S337
VGA
W820
Yes
Video
S337
W820
Loudspeaker
S337
Yes
W820
Yes
3.5mm jack
S337
Yes
W820
Yes
WLAN
S337
Wi-Fi 802.11 b/g/n, hotspot
W820
Wi-Fi 802.11 b/g, hotspot
Bluetooth
S337
4.0, A2DP
W820
2.0
Positioning
S337
GPS
W820
GPS, A-GPS
NFC
S337
No
W820
-
Radio
S337
FM radio
W820
FM radio
USB
S337
microUSB 2.0
W820
2.0
Sensors
S337
Accelerometer, proximity
W820
Accelerometer, proximity, compass
Other
S337
-
W820
MP3/WAV/WMA/AAC+ player MP4/H.263 player Document viewer Photo viewer/editor Organizer Voice memo/dial Predictive text input
Type
S337
Li-Ion 2000 mAh, removable
W820
Removable Li-Ion 2100 mAh battery
Stand-by
S337
Up to 480 h (3G)
W820
Up to 600 h
Talk time
S337
Up to 6 h 40 min (3G)
W820
Up to 8 h
Colors
S337
Black
W820
Black