Screen size
Hardcase H550SWinner: 5.5"+9.1%
U506S5.0"
Quick verdict
Hardcase H550S leads the measured specs 10-1.
Measured wins
Hardcase H550S
10
spec wins
Overall winner
Ties
6
equal specs
U506S
1
spec wins
Screen size
Technology
Hardcase H550S
GSM / HSPA / LTE
U506S
GSM / HSPA / LTE
2G bands
Hardcase H550S
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
U506S
GSM 850 / 900 / 1800 / 1900
3G bands
Hardcase H550S
HSDPA 900 / 2100
U506S
HSDPA 850 / 900 / 2100
4G bands
Hardcase H550S
1, 3, 7, 8, 20, 28
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
equal specsRAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
U506S
1, 3, 4, 7, 8, 20, 28, 38, 40, 41
Speed
Hardcase H550S
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/50 Mbps
U506S
HSPA, LTE
Announced
Hardcase H550S
2018, January. Released 2018, January
U506S
2023, November
Status
Hardcase H550S
Discontinued
U506S
Available. Released 2023, November
Dimensions
Hardcase H550S
158.8 x 80.7 x 11.1 mm (6.25 x 3.18 x 0.44 in)
U506S
144.8 x 72.4 x 11.6 mm (5.70 x 2.85 x 0.46 in)
Weight
Hardcase H550S
203 g (7.16 oz)
U506S
178 g (6.28 oz)
SIM
Hardcase H550S
Nano-SIM + Nano-SIM
U506S
Nano-SIM + Nano-SIM
Other
Hardcase H550S
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) MIL-STD-810G compliant
U506S
-
Type
Hardcase H550S
IPS LCD
U506S
IPS LCD
Size
Hardcase H550S
5.5 inches, 83.4 cm2 (~65.1% screen-to-body ratio)
U506S
5.0 inches, 68.9 cm2 (~65.7% screen-to-body ratio)
Resolution
Hardcase H550S
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
U506S
480 x 854 pixels, 16:9 ratio (~196 ppi density)
Protection
Hardcase H550S
Corning Gorilla Glass 3
U506S
-
OS
Hardcase H550S
Android 7.0 (Nougat)
U506S
Android 13 (Go edition)
Chipset
Hardcase H550S
Mediatek MT6750 (28 nm)
U506S
-
CPU
Hardcase H550S
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
U506S
Quad-core 1.5 GHz
GPU
Hardcase H550S
Mali-T860MP2
U506S
-
Card slot
Hardcase H550S
microSDHC (uses shared SIM slot)
U506S
microSDHC
Internal
Hardcase H550S
32GB 3GB RAM
U506S
32GB 2GB RAM
Other
Hardcase H550S
eMMC 5.1
U506S
eMMC 5.1
Single
Hardcase H550S
16 MP, PDAF
U506S
-
Features
Hardcase H550S
LED flash, HDR, panorama
U506S
LED flash
Video
Hardcase H550S
1080p@30fps
U506S
1080p@30fps
Dual
Hardcase H550S
-
U506S
5 MP Auxiliary lens
Single
Hardcase H550S
8 MP
U506S
2 MP
Video
Hardcase H550S
U506S
1080p@30fps
Loudspeaker
Hardcase H550S
Yes
U506S
Yes
3.5mm jack
Hardcase H550S
Yes
U506S
Yes
WLAN
Hardcase H550S
Wi-Fi 802.11 b/g/n
U506S
Wi-Fi 802.11 a/b/g/n
Bluetooth
Hardcase H550S
4.0, A2DP, LE
U506S
4.0, A2DP
Positioning
Hardcase H550S
GPS, GLONASS
U506S
GPS
NFC
Hardcase H550S
Yes
U506S
No
Radio
Hardcase H550S
FM radio
U506S
FM radio
USB
Hardcase H550S
USB Type-C
U506S
microUSB
Sensors
Hardcase H550S
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
U506S
Accelerometer, proximity
Type
Hardcase H550S
Li-Ion 4000 mAh, non-removable
U506S
Li-Ion 3000 mAh battery, removable
Stand-by
Hardcase H550S
Up to 400 h (3G)
U506S
-
Talk time
Hardcase H550S
Up to 10 h (3G)
U506S
-
Colors
Hardcase H550S
Black
U506S
Black
SAR
Hardcase H550S
0.24 W/kg (head) 1.79 W/kg (body)
U506S
-
Price
Hardcase H550S
About 450 EUR
U506S
About 60 EUR