Screen size
equal specsEnergy E500S5.0"
U506S5.0"
Quick verdict
Energy E500S leads the measured specs 5-4.
Measured wins
Energy E500S
5
spec wins
Overall winner
Ties
8
equal specs
U506S
4
spec wins
Screen size
equal specsTechnology
Energy E500S
GSM / HSPA / LTE
U506S
GSM / HSPA / LTE
2G bands
Energy E500S
GSM 850 / 900 / 1800 / 1900
U506S
GSM 850 / 900 / 1800 / 1900
3G bands
Energy E500S
HSDPA 850 / 900 / 1900 / 2100
U506S
HSDPA 850 / 900 / 2100
4G bands
Energy E500S
1, 3, 7, 8, 20, 28
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
Front camera
Battery
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
1, 3, 4, 7, 8, 20, 28, 38, 40, 41
Speed
Energy E500S
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
U506S
HSPA, LTE
Announced
Energy E500S
2018, August. Released 2018, August
U506S
2023, November
Status
Energy E500S
Discontinued
U506S
Available. Released 2023, November
Dimensions
Energy E500S
139.8 x 71.5 x 8.6 mm (5.50 x 2.81 x 0.34 in)
U506S
144.8 x 72.4 x 11.6 mm (5.70 x 2.85 x 0.46 in)
Weight
Energy E500S
127 g (4.48 oz)
U506S
178 g (6.28 oz)
SIM
Energy E500S
Nano-SIM + Micro-SIM
U506S
Nano-SIM + Nano-SIM
Type
Energy E500S
TFT
U506S
IPS LCD
Size
Energy E500S
5.0 inches, 68.9 cm2 (~68.9% screen-to-body ratio)
U506S
5.0 inches, 68.9 cm2 (~65.7% screen-to-body ratio)
Resolution
Energy E500S
480 x 854 pixels, 16:9 ratio (~196 ppi density)
U506S
480 x 854 pixels, 16:9 ratio (~196 ppi density)
OS
Energy E500S
Android 8.0 (Oreo)
U506S
Android 13 (Go edition)
Chipset
Energy E500S
Mediatek MT6737M (28 nm)
U506S
-
CPU
Energy E500S
Quad-core 1.1 GHz Cortex-A53
U506S
Quad-core 1.5 GHz
GPU
Energy E500S
Mali-T720MP2
U506S
-
Card slot
Energy E500S
microSDXC (uses shared SIM slot)
U506S
microSDHC
Internal
Energy E500S
8GB 1GB RAM
U506S
32GB 2GB RAM
Other
Energy E500S
eMMC 5.0
U506S
eMMC 5.1
Single
Energy E500S
8 MP
U506S
-
Features
Energy E500S
LED flash
U506S
LED flash
Video
Energy E500S
720p@30fps
U506S
1080p@30fps
Dual
Energy E500S
-
U506S
5 MP Auxiliary lens
Single
Energy E500S
5 MP
U506S
2 MP
Video
Energy E500S
U506S
1080p@30fps
Loudspeaker
Energy E500S
Yes
U506S
Yes
3.5mm jack
Energy E500S
Yes
U506S
Yes
WLAN
Energy E500S
Wi-Fi 802.11 b/g/n
U506S
Wi-Fi 802.11 a/b/g/n
Bluetooth
Energy E500S
4.0, A2DP, LE
U506S
4.0, A2DP
Positioning
Energy E500S
GPS
U506S
GPS
NFC
Energy E500S
No
U506S
No
Radio
Energy E500S
FM radio
U506S
FM radio
USB
Energy E500S
microUSB 2.0
U506S
microUSB
Sensors
Energy E500S
Accelerometer
U506S
Accelerometer, proximity
Type
Energy E500S
Li-Ion 2000 mAh, removable
U506S
Li-Ion 3000 mAh battery, removable
Stand-by
Energy E500S
Up to 200 h (3G)
U506S
-
Talk time
Energy E500S
Up to 12 h (3G)
U506S
-
Colors
Energy E500S
Black
U506S
Black
Price
Energy E500S
About 100 EUR
U506S
About 60 EUR