Screen size
Quick verdict
U683S leads the measured specs 11-1.
Measured wins
U506S
1
spec wins
Ties
5
equal specs
U683S
11
spec wins
Overall winner
Screen size
Technology
U506S
GSM / HSPA / LTE
U683S
GSM / HSPA / LTE
2G bands
U506S
GSM 850 / 900 / 1800 / 1900
U683S
GSM 850 / 900 / 1800 / 1900
3G bands
U506S
HSDPA 850 / 900 / 2100
U683S
HSDPA 850 / 900 / 2100
4G bands
U506S
1, 3, 4, 7, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
U683S
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41, 66
Speed
U506S
HSPA, LTE
U683S
HSPA, LTE
Announced
U506S
2023, November
U683S
2024, January
Status
U506S
Available. Released 2023, November
U683S
Available. Released 2024, February
Dimensions
U506S
144.8 x 72.4 x 11.6 mm (5.70 x 2.85 x 0.46 in)
U683S
172.8 x 78.5 x 9.7 mm (6.80 x 3.09 x 0.38 in)
Weight
U506S
178 g (6.28 oz)
U683S
210 g (7.41 oz)
SIM
U506S
Nano-SIM + Nano-SIM
U683S
Nano-SIM + Nano-SIM
Type
U506S
IPS LCD
U683S
IPS LCD
Size
U506S
5.0 inches, 68.9 cm2 (~65.7% screen-to-body ratio)
U683S
6.82 inches, 110.5 cm2 (~81.4% screen-to-body ratio)
Resolution
U506S
480 x 854 pixels, 16:9 ratio (~196 ppi density)
U683S
720 x 1640 pixels (~263 ppi density)
OS
U506S
Android 13 (Go edition)
U683S
Android 13 (Go edition)
CPU
U506S
Quad-core 1.5 GHz
U683S
Octa-core 2.0 GHz
Chipset
U506S
-
U683S
Mediatek MT6762CB
GPU
U506S
-
U683S
PowerVR GE8320
Card slot
U506S
microSDHC
U683S
microSDXC
Internal
U506S
32GB 2GB RAM
U683S
64GB 2GB RAM
Other
U506S
eMMC 5.1
U683S
eMMC 5.1
Dual
U506S
5 MP Auxiliary lens
U683S
-
Features
U506S
LED flash
U683S
LED flash
Video
U506S
1080p@30fps
U683S
1080p@30fps
Triple
U506S
-
U683S
8 MP, (wide), AF 0.08 MP (macro) Auxiliary lens
Single
U506S
2 MP
U683S
5 MP, (wide)
Video
U506S
1080p@30fps
U683S
1080p@30fps
Loudspeaker
U506S
Yes
U683S
Yes
3.5mm jack
U506S
Yes
U683S
Yes
WLAN
U506S
Wi-Fi 802.11 a/b/g/n
U683S
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
U506S
4.0, A2DP
U683S
5.0, A2DP, LE
Positioning
U506S
GPS
U683S
GPS
NFC
U506S
No
U683S
No
Radio
U506S
FM radio
U683S
No
USB
U506S
microUSB
U683S
USB Type-C 2.0
Sensors
U506S
Accelerometer, proximity
U683S
Fingerprint (rear-mounted), accelerometer, proximity
Type
U506S
Li-Ion 3000 mAh battery, removable
U683S
Li-Po 4900 mAh
Colors
U506S
Black
U683S
Black, Gold, Pink
Price
U506S
About 60 EUR
U683S
About 80 EUR