Screen size
Energy S5505.5"
Ultimate U652SWinner: 6.5"+16%
Quick verdict
Ultimate U652S leads the measured specs 10-2.
Measured wins
Energy S550
2
spec wins
Ties
5
equal specs
Ultimate U652S
10
spec wins
Overall winner
Screen size
Technology
Energy S550
GSM / HSPA / LTE
Ultimate U652S
GSM / HSPA / LTE
2G bands
Energy S550
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Ultimate U652S
GSM 850 / 900 / 1800 / 1900
3G bands
Energy S550
HSDPA 900 / 2100
Ultimate U652S
HSDPA 850 / 900 / 2100
4G bands
Energy S550
1, 3, 7, 20
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
Ultimate U652S
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
Speed
Energy S550
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Ultimate U652S
HSPA, LTE
Announced
Energy S550
2017, December. Released 2017, December
Ultimate U652S
2024, February
Status
Energy S550
Discontinued
Ultimate U652S
Available. Released 2024, July
Dimensions
Energy S550
154.8 x 78.2 x 8.8 mm (6.09 x 3.08 x 0.35 in)
Ultimate U652S
164.3 x 76.1 x 9.1 mm (6.47 x 3.00 x 0.36 in)
Weight
Energy S550
180 g (6.35 oz)
Ultimate U652S
190 g (6.70 oz)
SIM
Energy S550
Nano-SIM + Micro-SIM
Ultimate U652S
Nano-SIM + Nano-SIM
Type
Energy S550
IPS LCD
Ultimate U652S
IPS LCD
Size
Energy S550
5.5 inches, 83.4 cm2 (~68.9% screen-to-body ratio)
Ultimate U652S
6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio)
Resolution
Energy S550
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Ultimate U652S
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
OS
Energy S550
Android 6.0 (Marshmallow)
Ultimate U652S
Android 13 (Go edition)
Chipset
Energy S550
Mediatek MT6737 (28 nm)
Ultimate U652S
Mediatek MT6739WW (28 nm)
CPU
Energy S550
Quad-core 1.3 GHz Cortex-A53
Ultimate U652S
Quad-core 1.5 GHz
GPU
Energy S550
Mali-T720
Ultimate U652S
IMG 8XE1PPC
Card slot
Energy S550
microSDXC (uses shared SIM slot)
Ultimate U652S
microSDXC
Internal
Energy S550
8GB 1GB RAM
Ultimate U652S
64GB 2GB RAM
Other
Energy S550
eMMC 5.0
Ultimate U652S
eMMC 5.1
Single
Energy S550
13 MP, AF
Ultimate U652S
-
Features
Energy S550
LED flash
Ultimate U652S
LED flash
Video
Energy S550
720p@30fps
Ultimate U652S
1080p@30fps
Triple
Energy S550
-
Ultimate U652S
18 MP (wide), AF Auxiliary lenses
Single
Energy S550
5 MP
Ultimate U652S
13 MP, (wide)
Video
Energy S550
Ultimate U652S
Yes
Loudspeaker
Energy S550
Yes
Ultimate U652S
Yes
3.5mm jack
Energy S550
Yes
Ultimate U652S
Yes
WLAN
Energy S550
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Ultimate U652S
Wi-Fi 802.11 a/b/g/n
Bluetooth
Energy S550
4.0, A2DP, LE
Ultimate U652S
4.2, A2DP
Positioning
Energy S550
GPS
Ultimate U652S
GPS
NFC
Energy S550
No
Ultimate U652S
No
Radio
Energy S550
FM radio
Ultimate U652S
FM radio
USB
Energy S550
microUSB 2.0
Ultimate U652S
USB Type-C 2.0
Sensors
Energy S550
Accelerometer, proximity
Ultimate U652S
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
Energy S550
Li-Ion 3000 mAh, non-removable
Ultimate U652S
Li-Ion 4000 mAh
Stand-by
Energy S550
Up to 400 h (3G)
Ultimate U652S
-
Talk time
Energy S550
Up to 10 h (3G)
Ultimate U652S
-
Colors
Energy S550
Black
Ultimate U652S
Black
SAR
Energy S550
0.28 W/kg (head) 1.23 W/kg (body)
Ultimate U652S
-
Price
Energy S550
About 120 EUR
Ultimate U652S
About 70 EUR