Screen size
equal specsEnergy 5005.0"
U506S5.0"
Quick verdict
Energy 500 leads the measured specs 6-5.
Measured wins
Energy 500
6
spec wins
Overall winner
Ties
7
equal specs
U506S
5
spec wins
Screen size
equal specsTechnology
Energy 500
GSM / HSPA
U506S
GSM / HSPA / LTE
2G bands
Energy 500
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
U506S
GSM 850 / 900 / 1800 / 1900
3G bands
Energy 500
HSDPA 850 / 1900 - EM5EL043, HSDPA 900 / 2100 - EM5EL047
U506S
HSDPA 850 / 900 / 2100
Speed
Energy 500
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
equal specsWired 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 500
-
U506S
1, 3, 4, 7, 8, 20, 28, 38, 40, 41
Announced
Energy 500
2015, January. Released 2015, June
U506S
2023, November
Status
Energy 500
Discontinued
U506S
Available. Released 2023, November
Dimensions
Energy 500
152.3 x 80.6 x 18.8 mm (6.00 x 3.17 x 0.74 in)
U506S
144.8 x 72.4 x 11.6 mm (5.70 x 2.85 x 0.46 in)
Weight
Energy 500
284 g (10.02 oz)
U506S
178 g (6.28 oz)
SIM
Energy 500
Dual SIM (Mini-SIM/ Micro-SIM, dual stand-by)
U506S
Nano-SIM + Nano-SIM
Other
Energy 500
IP68 dust tight and water resistant (immersible up to 1.8m for 30 min)
U506S
-
Type
Energy 500
IPS LCD
U506S
IPS LCD
Size
Energy 500
5.0 inches, 68.9 cm2 (~56.1% screen-to-body ratio)
U506S
5.0 inches, 68.9 cm2 (~65.7% screen-to-body ratio)
Resolution
Energy 500
720 x 1280 pixels, 16:9 ratio (~294 ppi density)
U506S
480 x 854 pixels, 16:9 ratio (~196 ppi density)
OS
Energy 500
Android 4.4 (KitKat)
U506S
Android 13 (Go edition)
Chipset
Energy 500
Mediatek MT6582 (28 nm)
U506S
-
CPU
Energy 500
Quad-core 1.3 GHz Cortex-A7
U506S
Quad-core 1.5 GHz
GPU
Energy 500
Mali-400MP2
U506S
-
Card slot
Energy 500
microSDXC
U506S
microSDHC
Internal
Energy 500
8GB 1GB RAM
U506S
32GB 2GB RAM
Other
Energy 500
-
U506S
eMMC 5.1
Single
Energy 500
13 MP, AF
U506S
-
Features
Energy 500
LED flash, HDR
U506S
LED flash
Video
Energy 500
720p@30fps
U506S
1080p@30fps
Dual
Energy 500
-
U506S
5 MP Auxiliary lens
Single
Energy 500
5 MP
U506S
2 MP
Video
Energy 500
U506S
1080p@30fps
Loudspeaker
Energy 500
Yes
U506S
Yes
3.5mm jack
Energy 500
Yes
U506S
Yes
WLAN
Energy 500
Wi-Fi 802.11 a/b/g/n, hotspot
U506S
Wi-Fi 802.11 a/b/g/n
Bluetooth
Energy 500
4.0, A2DP, LE
U506S
4.0, A2DP
Positioning
Energy 500
GPS
U506S
GPS
NFC
Energy 500
No
U506S
No
Radio
Energy 500
Stereo FM radio
U506S
FM radio
USB
Energy 500
microUSB 2.0
U506S
microUSB
Sensors
Energy 500
Accelerometer, gyro, proximity, compass, barometer
U506S
Accelerometer, proximity
Type
Energy 500
Li-Ion 3000 mAh, removable
U506S
Li-Ion 3000 mAh battery, removable
Stand-by
Energy 500
Up to 500 h
U506S
-
Talk time
Energy 500
Up to 18 h 40 min
U506S
-
Colors
Energy 500
Gray
U506S
Black
Price
Energy 500
-
U506S
About 60 EUR