Screen size
PRO+3.1"
Signature 27Winner: 6.8"+54%
Quick verdict
Signature 27 leads the measured specs 18-4.
Measured wins
PRO+
4
spec wins
Ties
0
equal specs
Signature 27
18
spec wins
Overall winner
Screen size
Technology
PRO+
GSM / HSPA
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GSM / HSPA / LTE / 5G
2G bands
PRO+
GSM 850 / 900 / 1800 / 1900
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GSM 850 / 900 / 1800 / 1900
3G bands
PRO+
HSDPA 850 / 1900 / 2100 , HSDPA 850 / 1700 / 2100 , HSDPA 900 / 2100
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HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Speed
PRO+
HSPA 14.4/2 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
NFC
3.5mm jack
SD card
Stereo speakers
Signature 27
HSPA, LTE, 5G
4G bands
PRO+
-
Signature 27
LTE
5G bands
PRO+
-
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SA/NSA/Sub6
Announced
PRO+
2011, August. Released 2011, November
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2026, September 22
Status
PRO+
Discontinued
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Coming soon. Exp. release 2026, Oct-Nov
Dimensions
PRO+
119.5 x 62 x 11.7 mm (4.70 x 2.44 x 0.46 in)
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-
Weight
PRO+
113 g (3.99 oz)
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-
Keyboard
PRO+
QWERTY
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-
SIM
PRO+
Mini-SIM
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Nano-SIM + Nano-SIM
Build
PRO+
-
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Glass front (Gorilla Glass Victus 2), aluminum frame
Other
PRO+
-
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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
PRO+
TFT
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LTPO AMOLED, 1B colors, 165Hz, Dolby Vision, HDR10+
Size
PRO+
3.1 inches, 29.8 cm2 (~40.2% screen-to-body ratio)
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6.8 inches, 112.4 cm2
Resolution
PRO+
640 x 480 pixels, 4:3 ratio (~258 ppi density)
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1264 x 2780 pixels (~449 ppi density)
Protection
PRO+
Corning Gorilla Glass
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Corning Gorilla Glass Victus 2
OS
PRO+
Android 2.3 (Gingerbread)
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Android 17, up to 7 major OS updates
CPU
PRO+
1.0 GHz
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Octa-core (2x5.01 GHz Prime + 3x4.03 GHz Performance + 3x3.74 GHz Performance)
Chipset
PRO+
-
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Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 (2 nm)
GPU
PRO+
-
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Adreno 850
Card slot
PRO+
microSDHC (dedicated slot)
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No
Internal
PRO+
4GB 512MB RAM
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256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Other
PRO+
-
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UFS 4.1
Single
PRO+
5 MP, AF
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-
Features
PRO+
Dual-LED flash
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Dual-LED flash, HDR, panorama
Video
PRO+
720p
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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
PRO+
-
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
Other
PRO+
No
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-
Single
PRO+
-
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50 MP, f/2.0, 21mm (wide), 1/2.93", 0.6µm, dual-pixel PDAF
Features
PRO+
-
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HDR
Video
PRO+
-
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4K@30/60fps, 1080p@30/60/120/240fps, HDR
Loudspeaker
PRO+
Yes
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Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
PRO+
Yes
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No
Other
PRO+
-
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24-bit/192kHz Hi-Res & Hi-Res Wireless audio Sound by Bang & Olufsen
WLAN
PRO+
Wi-Fi 802.11 b/g/n, DLNA, hotspot
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Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
PRO+
2.1, A2DP, EDR
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6.0, A2DP, LE
Positioning
PRO+
GPS, A-GPS
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GPS, GLONASS, GALILEO, BDS, NavIC
Radio
PRO+
Stereo FM radio, RDS
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No
USB
PRO+
microUSB 2.0
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USB Type-C 3.1 Gen2, OTG, DisplayPort 1.4
NFC
PRO+
-
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Yes
Sensors
PRO+
Accelerometer, proximity, compass
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Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Other
PRO+
MP3/WAV/WMA/AAC+ player MP4/WMV/H.264 player Quickoffice document viewer/editor Photo viewer/editor Organizer Voice memo/dial Predictive text input
Signature 27
Smart Connect (Ready For) support Ultra Wideband (UWB) support
Type
PRO+
Removable Li-Ion 1600 mAh battery
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Si/C Li-Ion 7000 mAh
Stand-by
PRO+
Up to 312 h
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-
Talk time
PRO+
Up to 8 h
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-
Charging
PRO+
-
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90W wired 50W wireless 10W reverse wireless 5W reverse wired
Colors
PRO+
Black
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Pantone: Coal Smoke, Capulet Olive
Price
PRO+
About 220 EUR
Signature 27
-