Screen size
Quick verdict
Ultimate U652S leads the measured specs 9-2.
Measured wins
Energy E520 LTE
2
spec wins
Ties
7
equal specs
Ultimate U652S
9
spec wins
Overall winner
Screen size
Technology
Energy E520 LTE
GSM / HSPA / LTE
Ultimate U652S
GSM / HSPA / LTE
2G bands
Energy E520 LTE
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Ultimate U652S
GSM 850 / 900 / 1800 / 1900
3G bands
Energy E520 LTE
HSDPA 900 / 2100
Ultimate U652S
HSDPA 850 / 900 / 2100
4G bands
Energy E520 LTE
1, 3, 7, 8, 20
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
equal specsWired 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 E520 LTE
HSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
Ultimate U652S
HSPA, LTE
Announced
Energy E520 LTE
2017, September. Released 2017, September
Ultimate U652S
2024, February
Status
Energy E520 LTE
Discontinued
Ultimate U652S
Available. Released 2024, July
Dimensions
Energy E520 LTE
150.8 x 76.2 x 11.1 mm (5.94 x 3.00 x 0.44 in)
Ultimate U652S
164.3 x 76.1 x 9.1 mm (6.47 x 3.00 x 0.36 in)
Weight
Energy E520 LTE
206 g (7.27 oz)
Ultimate U652S
190 g (6.70 oz)
SIM
Energy E520 LTE
Nano-SIM + Nano-SIM
Ultimate U652S
Nano-SIM + Nano-SIM
Other
Energy E520 LTE
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) MIL-STD-810G compliant
Ultimate U652S
-
Type
Energy E520 LTE
IPS LCD
Ultimate U652S
IPS LCD
Size
Energy E520 LTE
5.2 inches, 74.5 cm2 (~64.9% screen-to-body ratio)
Ultimate U652S
6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio)
Resolution
Energy E520 LTE
720 x 1280 pixels, 16:9 ratio (~282 ppi density)
Ultimate U652S
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Protection
Energy E520 LTE
Corning Gorilla Glass 3
Ultimate U652S
-
OS
Energy E520 LTE
Android 6.0 (Marshmallow)
Ultimate U652S
Android 13 (Go edition)
Chipset
Energy E520 LTE
Mediatek MT6737 (28 nm)
Ultimate U652S
Mediatek MT6739WW (28 nm)
CPU
Energy E520 LTE
Quad-core 1.3 GHz Cortex-A53
Ultimate U652S
Quad-core 1.5 GHz
GPU
Energy E520 LTE
Mali-T720
Ultimate U652S
IMG 8XE1PPC
Card slot
Energy E520 LTE
microSDHC (uses shared SIM slot)
Ultimate U652S
microSDXC
Internal
Energy E520 LTE
16GB 2GB RAM
Ultimate U652S
64GB 2GB RAM
Other
Energy E520 LTE
eMMC 5.0
Ultimate U652S
eMMC 5.1
Single
Energy E520 LTE
13 MP, AF
Ultimate U652S
-
Features
Energy E520 LTE
LED flash, HDR, panorama
Ultimate U652S
LED flash
Video
Energy E520 LTE
1080p@30fps
Ultimate U652S
1080p@30fps
Triple
Energy E520 LTE
-
Ultimate U652S
18 MP (wide), AF Auxiliary lenses
Single
Energy E520 LTE
5 MP
Ultimate U652S
13 MP, (wide)
Video
Energy E520 LTE
Ultimate U652S
Yes
Loudspeaker
Energy E520 LTE
Yes
Ultimate U652S
Yes
3.5mm jack
Energy E520 LTE
Yes
Ultimate U652S
Yes
WLAN
Energy E520 LTE
Wi-Fi 802.11 b/g/n
Ultimate U652S
Wi-Fi 802.11 a/b/g/n
Bluetooth
Energy E520 LTE
4.0, A2DP, LE
Ultimate U652S
4.2, A2DP
Positioning
Energy E520 LTE
GPS, GLONASS
Ultimate U652S
GPS
NFC
Energy E520 LTE
No
Ultimate U652S
No
Radio
Energy E520 LTE
FM radio
Ultimate U652S
FM radio
USB
Energy E520 LTE
microUSB 2.0
Ultimate U652S
USB Type-C 2.0
Sensors
Energy E520 LTE
Fingerprint (rear-mounted), accelerometer, proximity, compass
Ultimate U652S
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
Energy E520 LTE
Li-Ion 4000 mAh, non-removable
Ultimate U652S
Li-Ion 4000 mAh
Stand-by
Energy E520 LTE
Up to 220 h (3G)
Ultimate U652S
-
Talk time
Energy E520 LTE
Up to 15 h (3G)
Ultimate U652S
-
Colors
Energy E520 LTE
Black
Ultimate U652S
Black
SAR
Energy E520 LTE
0.26 W/kg (head) 0.60 W/kg (body)
Ultimate U652S
-
Price
Energy E520 LTE
About 330 EUR
Ultimate U652S
About 70 EUR