Screen size
M3688—
Signature 27Winner: 6.8"
Quick verdict
Signature 27 leads the measured specs 18-2.
Measured wins
M3688
2
spec wins
Ties
2
equal specs
Signature 27
18
spec wins
Overall winner
Screen size
Technology
M3688
GSM
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GSM / HSPA / LTE / 5G
2G bands
M3688
GSM 900 / 1800
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GSM 850 / 900 / 1800 / 1900
GPRS
M3688
No
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-
EDGE
M3688
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
M3688
-
Signature 27
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
M3688
-
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LTE
5G bands
M3688
-
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SA/NSA/Sub6
Speed
M3688
-
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HSPA, LTE, 5G
Announced
M3688
1999
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2026, September 22
Status
M3688
Discontinued
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Coming soon. Exp. release 2026, Oct-Nov
Dimensions
M3688
140 x 50 x 25 mm, 150 cc (5.51 x 1.97 x 0.98 in)
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-
Weight
M3688
170 g (6.00 oz)
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-
SIM
M3688
Mini-SIM
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Nano-SIM + Nano-SIM
Build
M3688
-
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Glass front (Gorilla Glass Victus 2), aluminum frame
Other
M3688
-
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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
M3688
Monochrome graphic, Optimax
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LTPO AMOLED, 1B colors, 165Hz, Dolby Vision, HDR10+
Size
M3688
Signature 27
6.8 inches, 112.4 cm2
Resolution
M3688
96 x 32 pixels, 4 lines
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1264 x 2780 pixels (~449 ppi density)
Other
M3688
Fixed icons
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-
Protection
M3688
-
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Corning Gorilla Glass Victus 2
Card slot
M3688
No
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No
Phonebook
M3688
SIM only
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-
Call records
M3688
10 dialed, 5 received, 5 missed calls
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-
Internal
M3688
-
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256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Other
M3688
-
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UFS 4.1
Other
M3688
No
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-
Loudspeaker
M3688
No
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Yes, with stereo speakers (with Dolby Atmos)
Alert types
M3688
Monophonic ringtones
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-
3.5mm jack
M3688
No
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No
Other
M3688
-
Signature 27
24-bit/192kHz Hi-Res & Hi-Res Wireless audio Sound by Bang & Olufsen
WLAN
M3688
No
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Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
M3688
No
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6.0, A2DP, LE
Positioning
M3688
No
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GPS, GLONASS, GALILEO, BDS, NavIC
Radio
M3688
No
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No
USB
M3688
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USB Type-C 3.1 Gen2, OTG, DisplayPort 1.4
NFC
M3688
-
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Yes
Sensors
M3688
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Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Messaging
M3688
SMS
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-
Browser
M3688
Signature 27
-
Clock
M3688
No
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-
Alarm
M3688
No
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-
Games
M3688
No
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-
Languages
M3688
26
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-
Java
M3688
No
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-
Other
M3688
-
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Smart Connect (Ready For) support Ultra Wideband (UWB) support
Type
M3688
Removable NiMH 700 mAh battery
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Si/C Li-Ion 7000 mAh
Stand-by
M3688
110 h
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-
Talk time
M3688
230 min
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-
Charging
M3688
-
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90W wired 50W wireless 10W reverse wireless 5W reverse wired
Colors
M3688
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Pantone: Coal Smoke, Capulet Olive
OS
M3688
-
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Android 17, up to 7 major OS updates
Chipset
M3688
-
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Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 (2 nm)
CPU
M3688
-
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Octa-core (2x5.01 GHz Prime + 3x4.03 GHz Performance + 3x3.74 GHz Performance)
GPU
M3688
-
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Adreno 850
Triple
M3688
-
Signature 27
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
Features
M3688
-
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Dual-LED flash, HDR, panorama
Video
M3688
-
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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
Single
M3688
-
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50 MP, f/2.0, 21mm (wide), 1/2.93", 0.6µm, dual-pixel PDAF
Features
M3688
-
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HDR
Video
M3688
-
Signature 27
4K@30/60fps, 1080p@30/60/120/240fps, HDR