Screen size
Signature 27Winner: 6.8"+76%
W1811.6"
Quick verdict
Signature 27 leads the measured specs 18-2.
Measured wins
Signature 27
18
spec wins
Overall winner
Ties
2
equal specs
W181
2
spec wins
Screen size
Technology
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GSM / HSPA / LTE / 5G
W181
GSM
2G bands
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GSM 850 / 900 / 1800 / 1900
W181
GSM 900 / 1800 , GSM 850 / 1900 - US version
3G bands
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HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
W181
-
4G bands
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LTE
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
W181
-
5G bands
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SA/NSA/Sub6
W181
-
Speed
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HSPA, LTE, 5G
W181
-
GPRS
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-
W181
No
EDGE
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-
W181
No
Announced
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2026, September 22
W181
2008, February. Released 2008, March
Status
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Coming soon. Exp. release 2026, Oct-Nov
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Discontinued
Dimensions
Signature 27
-
W181
110 x 45 x 15 mm, 63 cc (4.33 x 1.77 x 0.59 in)
Weight
Signature 27
-
W181
80 g (2.82 oz)
Build
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Glass front (Gorilla Glass Victus 2), aluminum frame
W181
-
SIM
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Nano-SIM + Nano-SIM
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Mini-SIM
Other
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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
W181
-
Type
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LTPO AMOLED, 1B colors, 165Hz, Dolby Vision, HDR10+
W181
CSTN, 65K colors
Size
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6.8 inches, 112.4 cm2
W181
1.6 inches, 8.3 cm2 (~16.7% screen-to-body ratio)
Resolution
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1264 x 2780 pixels (~449 ppi density)
W181
128 x 128 pixels, 1:1 ratio (~113 ppi density)
Protection
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Corning Gorilla Glass Victus 2
W181
-
OS
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Android 17, up to 7 major OS updates
W181
-
Chipset
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Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 (2 nm)
W181
-
CPU
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Octa-core (2x5.01 GHz Prime + 3x4.03 GHz Performance + 3x3.74 GHz Performance)
W181
-
GPU
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Adreno 850
W181
-
Card slot
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No
W181
No
Internal
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256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
W181
-
Other
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UFS 4.1
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750 SMS messages
Phonebook
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-
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500 entries
Call records
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-
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10 dialed, 10 received, 10 missed calls
Triple
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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
W181
-
Features
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Dual-LED flash, HDR, panorama
W181
-
Video
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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
W181
-
Single
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50 MP, f/2.0, 21mm (wide), 1/2.93", 0.6µm, dual-pixel PDAF
W181
-
Features
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HDR
W181
-
Video
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4K@30/60fps, 1080p@30/60/120/240fps, HDR
W181
-
Loudspeaker
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Yes, with stereo speakers (with Dolby Atmos)
W181
No
3.5mm jack
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No
W181
No
Other
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24-bit/192kHz Hi-Res & Hi-Res Wireless audio Sound by Bang & Olufsen
W181
-
Alert types
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-
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Vibration; Polyphonic(32) ringtones
WLAN
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Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
W181
No
Bluetooth
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6.0, A2DP, LE
W181
No
Positioning
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GPS, GLONASS, GALILEO, BDS, NavIC
W181
No
NFC
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Yes
W181
-
Radio
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No
W181
FM radio
USB
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USB Type-C 3.1 Gen2, OTG, DisplayPort 1.4
W181
1.1
Sensors
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Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
W181
Other
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Smart Connect (Ready For) support Ultra Wideband (UWB) support
W181
iTAP Organizer Stopwatch
Messaging
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-
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SMS
Browser
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-
W181
No
Games
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-
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3 embedded
Languages
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-
W181
7 African languages, Hindi and English
Java
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-
W181
No
Type
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Si/C Li-Ion 7000 mAh
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Removable Li-Ion 850 mAh battery
Charging
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90W wired 50W wireless 10W reverse wireless 5W reverse wired
W181
-
Stand-by
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-
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Up to 465 h
Talk time
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-
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Up to 9 h 50 min
Colors
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Pantone: Coal Smoke, Capulet Olive
W181
SAR
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-
W181
0.51 W/kg (head) 0.77 W/kg (body)
Price
Signature 27
-
W181
About 30 EUR
Other
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-
W181
No