Screen size
s4004.0"
s5021 Wave ProWinner: 5.0"+20%
Quick verdict
s5021 Wave Pro leads the measured specs 6-3.
Measured wins
s400
3
spec wins
Ties
7
equal specs
s5021 Wave Pro
6
spec wins
Overall winner
Screen size
Technology
s400
GSM / HSPA
s5021 Wave Pro
GSM / HSPA
2G bands
s400
GSM 850 / 900 / 1800 / 1900 - SIM1 & SIM 2 (optional)
s5021 Wave Pro
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
s400
HSDPA 850 / 1900 / 2100
s5021 Wave Pro
HSDPA 850 / 1900
Speed
s400
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
s5021 Wave Pro
HSPA 21.1/5.76 Mbps
Announced
s400
2013, September. Released 2013, September
s5021 Wave Pro
2017, February. Released 2017, February
Status
s400
Discontinued
s5021 Wave Pro
Discontinued
Dimensions
s400
119 x 65 x 12 mm (4.69 x 2.56 x 0.47 in)
s5021 Wave Pro
145.8 x 73 x 9.7 mm (5.74 x 2.87 x 0.38 in)
Weight
s400
120 g (4.23 oz)
s5021 Wave Pro
168 g (5.93 oz)
SIM
s400
Single SIM (Mini-SIM) or Dual SIM (Mini-SIM, dual stand-by)
s5021 Wave Pro
Dual SIM (Micro-SIM, dual stand-by)
Type
s400
TFT
s5021 Wave Pro
IPS LCD
Size
s400
4.0 inches, 45.5 cm2 (~58.9% screen-to-body ratio)
s5021 Wave Pro
5.0 inches, 68.9 cm2 (~64.7% screen-to-body ratio)
Resolution
s400
480 x 800 pixels, 5:3 ratio (~233 ppi density)
s5021 Wave Pro
480 x 854 pixels, 16:9 ratio (~196 ppi density)
OS
s400
Android 4.2.1 (Jelly Bean)
s5021 Wave Pro
Android 6.0 (Marshmallow)
Chipset
s400
Mediatek MT6589 (28 nm)
s5021 Wave Pro
Spreadtrum SC7731C
CPU
s400
Quad-core 1.2 GHz Cortex-A7
s5021 Wave Pro
Quad-core 1.2 GHz Cortex-A7
GPU
s400
PowerVR SGX544
s5021 Wave Pro
Mali-400
Card slot
s400
microSDHC (dedicated slot)
s5021 Wave Pro
microSDHC
Internal
s400
4GB
s5021 Wave Pro
4GB 512MB RAM
Single
s400
5 MP
s5021 Wave Pro
8 MP, f/2.4
Video
s400
Yes
s5021 Wave Pro
720p@30fps
Features
s400
-
s5021 Wave Pro
LED flash, panorama
Single
s400
VGA
s5021 Wave Pro
5 MP, f/2.8
Video
s400
s5021 Wave Pro
Loudspeaker
s400
Yes
s5021 Wave Pro
Yes
3.5mm jack
s400
Yes
s5021 Wave Pro
Yes
WLAN
s400
Wi-Fi 802.11 b/g, hotspot
s5021 Wave Pro
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
s400
3.0, A2DP
s5021 Wave Pro
2.1, A2DP
Positioning
s400
GPS
s5021 Wave Pro
GPS
NFC
s400
No
s5021 Wave Pro
No
Radio
s400
FM radio
s5021 Wave Pro
Stereo FM radio
USB
s400
microUSB 2.0
s5021 Wave Pro
microUSB 2.0
Sensors
s400
Accelerometer, proximity
s5021 Wave Pro
Accelerometer
Type
s400
Li-Ion 1400 mAh, removable
s5021 Wave Pro
Li-Po 2000 mAh, removable
Stand-by
s400
Up to 240 h (3G)
s5021 Wave Pro
Up to 240 h (3G)
Talk time
s400
Up to 6 h (3G)
s5021 Wave Pro
Up to 8 h (3G)
Colors
s400
Black, White, Pink, Blue
s5021 Wave Pro
Black, White, Blue
SAR
s400
-
s5021 Wave Pro
0.73 W/kg (head) 0.87 W/kg (body)