Screen size
equal specsEnergy S500E5.0"
U506S5.0"
Quick verdict
U506S leads the measured specs 4-3.
Measured wins
Energy S500E
3
spec wins
Ties
10
equal specs
U506S
4
spec wins
Overall winner
Screen size
equal specsTechnology
Energy S500E
GSM / HSPA
U506S
GSM / HSPA / LTE
2G bands
Energy S500E
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
U506S
GSM 850 / 900 / 1800 / 1900
3G bands
Energy S500E
HSDPA 900 / 2100
U506S
HSDPA 850 / 900 / 2100
Speed
Energy S500E
HSPA 21.1/5.76 Mbps
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
U506S
HSPA, LTE
4G bands
Energy S500E
-
U506S
1, 3, 4, 7, 8, 20, 28, 38, 40, 41
Announced
Energy S500E
2017, December. Released 2017, December
U506S
2023, November
Status
Energy S500E
Discontinued
U506S
Available. Released 2023, November
Dimensions
Energy S500E
145.5 x 74.8 x 8.9 mm (5.73 x 2.94 x 0.35 in)
U506S
144.8 x 72.4 x 11.6 mm (5.70 x 2.85 x 0.46 in)
Weight
Energy S500E
167 g (5.89 oz)
U506S
178 g (6.28 oz)
Build
Energy S500E
Glass front, plastic back, plastic frame
U506S
-
SIM
Energy S500E
Nano-SIM + Nano-SIM
U506S
Nano-SIM + Nano-SIM
Type
Energy S500E
TN TFT
U506S
IPS LCD
Size
Energy S500E
5.0 inches, 68.9 cm2 (~63.3% screen-to-body ratio)
U506S
5.0 inches, 68.9 cm2 (~65.7% screen-to-body ratio)
Resolution
Energy S500E
480 x 854 pixels, 16:9 ratio (~196 ppi density)
U506S
480 x 854 pixels, 16:9 ratio (~196 ppi density)
OS
Energy S500E
Android 6.0 (Marshmallow)
U506S
Android 13 (Go edition)
Chipset
Energy S500E
Mediatek MT6580 (28 nm)
U506S
-
CPU
Energy S500E
Quad-core 1.3 GHz Cortex-A7
U506S
Quad-core 1.5 GHz
GPU
Energy S500E
Mali-400MP2
U506S
-
Card slot
Energy S500E
microSDXC (uses shared SIM slot)
U506S
microSDHC
Internal
Energy S500E
8GB 1GB RAM
U506S
32GB 2GB RAM
Other
Energy S500E
-
U506S
eMMC 5.1
Single
Energy S500E
5 MP
U506S
-
Features
Energy S500E
LED flash
U506S
LED flash
Video
Energy S500E
480p@30fps
U506S
1080p@30fps
Dual
Energy S500E
-
U506S
5 MP Auxiliary lens
Single
Energy S500E
2 MP
U506S
2 MP
Video
Energy S500E
U506S
1080p@30fps
Loudspeaker
Energy S500E
Yes
U506S
Yes
3.5mm jack
Energy S500E
Yes
U506S
Yes
WLAN
Energy S500E
Wi-Fi 802.11 b/g/n
U506S
Wi-Fi 802.11 a/b/g/n
Bluetooth
Energy S500E
4.0, A2DP, LE
U506S
4.0, A2DP
Positioning
Energy S500E
GPS
U506S
GPS
NFC
Energy S500E
No
U506S
No
Radio
Energy S500E
FM radio
U506S
FM radio
USB
Energy S500E
microUSB 2.0
U506S
microUSB
Sensors
Energy S500E
Accelerometer
U506S
Accelerometer, proximity
Type
Energy S500E
Li-Ion 2000 mAh, removable
U506S
Li-Ion 3000 mAh battery, removable
Stand-by
Energy S500E
Up to 333 h (3G)
U506S
-
Talk time
Energy S500E
Up to 8 h (3G)
U506S
-
Colors
Energy S500E
Black
U506S
Black
SAR
Energy S500E
0.74 W/kg (head) 1.43 W/kg (body)
U506S
-
Price
Energy S500E
About 80 EUR
U506S
About 60 EUR