Screen size
A668—
Signature 27Winner: 6.8"
Quick verdict
Signature 27 leads the measured specs 18-2.
Measured wins
A668
2
spec wins
Ties
2
equal specs
Signature 27
18
spec wins
Overall winner
Screen size
Technology
A668
GSM
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GSM / HSPA / LTE / 5G
2G bands
A668
GSM 900 / 1800 / 1900
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GSM 850 / 900 / 1800 / 1900
GPRS
A668
Yes
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-
EDGE
A668
No
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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
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
-
3G bands
A668
-
Signature 27
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
A668
-
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LTE
5G bands
A668
-
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SA/NSA/Sub6
Speed
A668
-
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HSPA, LTE, 5G
Announced
A668
2004, Q4
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2026, September 22
Status
A668
Discontinued
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Coming soon. Exp. release 2026, Oct-Nov
Dimensions
A668
92 x 44 x 23 mm (3.62 x 1.73 x 0.91 in)
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-
Weight
A668
90 g (3.17 oz)
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-
SIM
A668
Mini-SIM
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Nano-SIM + Nano-SIM
Build
A668
-
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Glass front (Gorilla Glass Victus 2), aluminum frame
Other
A668
-
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IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.2m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Type
A668
TFT resistive touchscreen, 256K colors
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LTPO AMOLED, 1B colors, 165Hz, Dolby Vision, HDR10+
Size
A668
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6.8 inches, 112.4 cm2
Resolution
A668
128 x 160 pixels
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1264 x 2780 pixels (~449 ppi density)
Other
A668
Second external display 96 x 64 pixels Fingerwriting recognition Downloadable screensavers, wallpapers
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-
Protection
A668
-
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Corning Gorilla Glass Victus 2
Card slot
A668
No
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No
Phonebook
A668
400 entries, Photo call
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-
Call records
A668
10 dialed, 10 received, 10 missed calls
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-
Internal
A668
-
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256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Other
A668
-
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UFS 4.1
Single
A668
1.3 MP
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-
Features
A668
LED flash
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Dual-LED flash, HDR, panorama
Video
A668
Yes
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8K@30fps (Dolby Vision), 4K@30/60fps (Dolby Vision), 4K@120fps, 1080p@30/60/120/240fps, 10-bit HDR10+, gyro-EIS
Triple
A668
-
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50 MP, (wide), 1/1.28", 1.22µm, PDAF, OIS 200 MP, (periscope telephoto), PDAF, OIS, 5x optical zoom 50 MP, f/2.0, 12mm, 122˚ (ultrawide), 1/2.76", 0.64µm, PDAF
Other
A668
No
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-
Single
A668
-
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50 MP, f/2.0, 21mm (wide), 1/2.93", 0.6µm, dual-pixel PDAF
Features
A668
-
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HDR
Video
A668
-
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4K@30/60fps, 1080p@30/60/120/240fps, HDR
Loudspeaker
A668
No
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Yes, with stereo speakers (with Dolby Atmos)
Alert types
A668
Vibration; Downloadable polyphonic ringtones, composer
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-
3.5mm jack
A668
No
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No
Other
A668
-
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24-bit/192kHz Hi-Res & Hi-Res Wireless audio Sound by Bang & Olufsen
WLAN
A668
No
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Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
A668
No
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6.0, A2DP, LE
Positioning
A668
No
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GPS, GLONASS, GALILEO, BDS, NavIC
Radio
A668
No
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No
USB
A668
Proprietary
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USB Type-C 3.1 Gen2, OTG, DisplayPort 1.4
NFC
A668
-
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Yes
Sensors
A668
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Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Messaging
A668
SMS, MMS, EMail, Instant Messaging
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-
Browser
A668
WAP 2.0/xHTML
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-
Games
A668
Yes
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-
Java
A668
Yes, MIDP 2.0
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-
Other
A668
Organizer Stopwatch Photo editor Predictive text input Voice dial/memo
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Smart Connect (Ready For) support Ultra Wideband (UWB) support
Type
A668
Removable Li-Ion 810 mAh battery
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Si/C Li-Ion 7000 mAh
Stand-by
A668
Up to 230 h
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-
Talk time
A668
Up to 2h 30 min
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-
Charging
A668
-
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90W wired 50W wireless 10W reverse wireless 5W reverse wired
Colors
A668
Silver, Black
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Pantone: Coal Smoke, Capulet Olive
OS
A668
-
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Android 17, up to 7 major OS updates
Chipset
A668
-
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Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 (2 nm)
CPU
A668
-
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Octa-core (2x5.01 GHz Prime + 3x4.03 GHz Performance + 3x3.74 GHz Performance)
GPU
A668
-
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Adreno 850