Screen size
KF3902.0"
Ultra TabWinner: 10.4"+81%
Quick verdict
Ultra Tab leads the measured specs 15-2.
Measured wins
KF390
2
spec wins
Ties
2
equal specs
Ultra Tab
15
spec wins
Overall winner
Screen size
Technology
KF390
GSM / HSPA
Ultra Tab
No cellular connectivity
2G bands
KF390
GSM 900 / 1800 / 1900 , GSM 850 / 900 / 1800 / 1900 for Brazil
Ultra Tab
N/A
3G bands
KF390
HSDPA 850 / 2100
Ultra Tab
N/A
Speed
KF390
HSPA 7.2/0.384 Mbps
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
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
Ultra Tab
-
4G bands
KF390
-
Ultra Tab
N/A
GPRS
KF390
-
Ultra Tab
No
EDGE
KF390
-
Ultra Tab
No
Announced
KF390
2008, July. Released 2009, Q1
Ultra Tab
2022, August 05
Status
KF390
Discontinued
Ultra Tab
Available. Released 2022, August 05
Dimensions
KF390
99 x 48 x 17.4 mm (3.90 x 1.89 x 0.69 in)
Ultra Tab
247.6 x 157.3 x 7.1 mm (9.75 x 6.19 x 0.28 in)
Weight
KF390
110 g (3.88 oz)
Ultra Tab
458 g (1.01 lb)
SIM
KF390
Mini-SIM
Ultra Tab
No
Other
KF390
-
Ultra Tab
MIL-STD-810G compliant Stylus support
Type
KF390
TFT, 256K colors
Ultra Tab
IPS LCD
Size
KF390
2.0 inches, 12.6 cm2 (~26.5% screen-to-body ratio)
Ultra Tab
10.35 inches, 304.9 cm2 (~78.3% screen-to-body ratio)
Resolution
KF390
176 x 220 pixels (~141 ppi density)
Ultra Tab
1200 x 2000 pixels, 5:3 ratio (~225 ppi density)
Card slot
KF390
microSDHC (dedicated slot)
Ultra Tab
microSDXC (dedicated slot)
Phonebook
KF390
500 entries
Ultra Tab
-
Call records
KF390
40 dialed, 40 received, 40 missed calls
Ultra Tab
-
Internal
KF390
50MB
Ultra Tab
64GB 4GB RAM
Other
KF390
-
Ultra Tab
UFS
Single
KF390
2 MP
Ultra Tab
8 MP, AF
Video
KF390
Yes
Ultra Tab
Single
KF390
Videocall camera
Ultra Tab
5 MP
Video
KF390
Ultra Tab
Loudspeaker
KF390
Yes
Ultra Tab
Yes, with stereo speakers (4 speakers)
Alert types
KF390
Vibration; Downloadable polyphonic, MP3 ringtones
Ultra Tab
-
3.5mm jack
KF390
No
Ultra Tab
Yes
WLAN
KF390
No
Ultra Tab
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
KF390
1.2
Ultra Tab
5.1, A2DP
Positioning
KF390
No
Ultra Tab
No
Radio
KF390
FM radio
Ultra Tab
No
USB
KF390
2.0
Ultra Tab
USB Type-C
NFC
KF390
-
Ultra Tab
No
Sensors
KF390
Ultra Tab
Accelerometer
Messaging
KF390
SMS, MMS, Email
Ultra Tab
-
Browser
KF390
WAP 2.0/xHTML, HTML
Ultra Tab
-
Games
KF390
Yes
Ultra Tab
-
Java
KF390
Yes, MIDP 2.0
Ultra Tab
-
Other
KF390
MP3/WAV/eAAC+ player H263/3GP player Predictive text input Voice memo
Ultra Tab
-
Type
KF390
Removable Li-Ion battery
Ultra Tab
Li-Ion 7040 mAh
Stand-by
KF390
Up to 250 h
Ultra Tab
-
Talk time
KF390
Up to 3 h
Ultra Tab
-
Charging
KF390
-
Ultra Tab
16W wired, QC3
Colors
KF390
Black
Ultra Tab
Charcoal Gray
Price
KF390
About 60 EUR
Ultra Tab
About 320 EUR
Models
KF390
-
Ultra Tab
10A30Q
OS
KF390
-
Ultra Tab
Android 12
Chipset
KF390
-
Ultra Tab
Qualcomm SM6225 Snapdragon 680 4G (6 nm)
CPU
KF390
-
Ultra Tab
Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
GPU
KF390
-
Ultra Tab
Adreno 610