Screen size
s4002 Leo4.0"
s5021 Wave ProWinner: 5.0"+20%
Quick verdict
s5021 Wave Pro leads the measured specs 7-4.
Measured wins
s4002 Leo
4
spec wins
Ties
5
equal specs
s5021 Wave Pro
7
spec wins
Overall winner
Screen size
Technology
s4002 Leo
GSM
s5021 Wave Pro
GSM / HSPA
2G bands
s4002 Leo
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
s5021 Wave Pro
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GPRS
s4002 Leo
Yes
s5021 Wave Pro
-
EDGE
s4002 Leo
Yes
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
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
s5021 Wave Pro
-
3G bands
s4002 Leo
-
s5021 Wave Pro
HSDPA 850 / 1900
Speed
s4002 Leo
-
s5021 Wave Pro
HSPA 21.1/5.76 Mbps
Announced
s4002 Leo
2015, January. Released 2015, January
s5021 Wave Pro
2017, February. Released 2017, February
Status
s4002 Leo
Discontinued
s5021 Wave Pro
Discontinued
Dimensions
s4002 Leo
122 x 63 x 10.7 mm (4.80 x 2.48 x 0.42 in)
s5021 Wave Pro
145.8 x 73 x 9.7 mm (5.74 x 2.87 x 0.38 in)
Weight
s4002 Leo
112 g (3.95 oz)
s5021 Wave Pro
168 g (5.93 oz)
SIM
s4002 Leo
Dual SIM (Mini-SIM)
s5021 Wave Pro
Dual SIM (Micro-SIM, dual stand-by)
Type
s4002 Leo
TFT
s5021 Wave Pro
IPS LCD
Size
s4002 Leo
4.0 inches, 45.5 cm2 (~59.3% screen-to-body ratio)
s5021 Wave Pro
5.0 inches, 68.9 cm2 (~64.7% screen-to-body ratio)
Resolution
s4002 Leo
480 x 800 pixels, 5:3 ratio (~233 ppi density)
s5021 Wave Pro
480 x 854 pixels, 16:9 ratio (~196 ppi density)
OS
s4002 Leo
Android 4.4.2 (KitKat)
s5021 Wave Pro
Android 6.0 (Marshmallow)
Chipset
s4002 Leo
Mediatek MT6571E
s5021 Wave Pro
Spreadtrum SC7731C
CPU
s4002 Leo
Dual-core 1.3 GHz Cortex-A7
s5021 Wave Pro
Quad-core 1.2 GHz Cortex-A7
GPU
s4002 Leo
Mali-400
s5021 Wave Pro
Mali-400
Card slot
s4002 Leo
microSDHC
s5021 Wave Pro
microSDHC
Internal
s4002 Leo
512MB 256MB RAM
s5021 Wave Pro
4GB 512MB RAM
Single
s4002 Leo
5 MP
s5021 Wave Pro
8 MP, f/2.4
Features
s4002 Leo
LED flash
s5021 Wave Pro
LED flash, panorama
Video
s4002 Leo
720p@30fps
s5021 Wave Pro
720p@30fps
Single
s4002 Leo
1.3 MP
s5021 Wave Pro
5 MP, f/2.8
Video
s4002 Leo
s5021 Wave Pro
Loudspeaker
s4002 Leo
Yes
s5021 Wave Pro
Yes
3.5mm jack
s4002 Leo
Yes
s5021 Wave Pro
Yes
WLAN
s4002 Leo
Wi-Fi 802.11 b/g/n, hotspot
s5021 Wave Pro
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
s4002 Leo
4.0, LE
s5021 Wave Pro
2.1, A2DP
Positioning
s4002 Leo
GPS
s5021 Wave Pro
GPS
NFC
s4002 Leo
No
s5021 Wave Pro
No
Radio
s4002 Leo
FM radio
s5021 Wave Pro
Stereo FM radio
USB
s4002 Leo
microUSB 2.0
s5021 Wave Pro
microUSB 2.0
Sensors
s4002 Leo
Accelerometer
s5021 Wave Pro
Accelerometer
Type
s4002 Leo
Li-Ion 1450 mAh battery
s5021 Wave Pro
Li-Po 2000 mAh, removable
Stand-by
s4002 Leo
Up to 240 h (3G)
s5021 Wave Pro
Up to 240 h (3G)
Talk time
s4002 Leo
Up to 7 h (3G)
s5021 Wave Pro
Up to 8 h (3G)
Colors
s4002 Leo
Black, White, Yellow, Blue
s5021 Wave Pro
Black, White, Blue
SAR EU
s4002 Leo
0.49 W/kg (head) 0.74 W/kg (body)
s5021 Wave Pro
-
Price
s4002 Leo
About 50 EUR
s5021 Wave Pro
-
SAR
s4002 Leo
-
s5021 Wave Pro
0.73 W/kg (head) 0.87 W/kg (body)