Screen size
Signature 27Winner: 6.8"+6.5%
ThinkPhone 256.4"
Quick verdict
Signature 27 leads the measured specs 11-4.
Measured wins
Signature 27
11
spec wins
Overall winner
Ties
8
equal specs
ThinkPhone 25
4
spec wins
Screen size
Technology
Signature 27
GSM / HSPA / LTE / 5G
ThinkPhone 25
GSM / HSPA / LTE / 5G
2G bands
Signature 27
GSM 850 / 900 / 1800 / 1900
ThinkPhone 25
GSM 850 / 900 / 1800 / 1900
3G bands
Signature 27
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
ThinkPhone 25
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Signature 27
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
equal specsBluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsThinkPhone 25
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 66
5G bands
Signature 27
SA/NSA/Sub6
ThinkPhone 25
1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6
Speed
Signature 27
HSPA, LTE, 5G
ThinkPhone 25
HSPA, LTE, 5G
Announced
Signature 27
2026, September 22
ThinkPhone 25
2024, October 01
Status
Signature 27
Coming soon. Exp. release 2026, Oct-Nov
ThinkPhone 25
Available. Released 2024, November 11
Dimensions
Signature 27
-
ThinkPhone 25
154.1 x 71.2 x 8.1 mm (6.07 x 2.80 x 0.32 in)
Weight
Signature 27
-
ThinkPhone 25
171 g (6.03 oz)
Build
Signature 27
Glass front (Gorilla Glass Victus 2), aluminum frame
ThinkPhone 25
Glass front (Gorilla Glass 7i), aramid fibre back, plastic frame
SIM
Signature 27
Nano-SIM + Nano-SIM
ThinkPhone 25
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM
Other
Signature 27
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
ThinkPhone 25
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Drop resistant up to 1.3m MIL-STD-810H compliant
Type
Signature 27
LTPO AMOLED, 1B colors, 165Hz, Dolby Vision, HDR10+
ThinkPhone 25
P-OLED, 1B colors, 120Hz, HDR10+, 3000 nits (peak)
Size
Signature 27
6.8 inches, 112.4 cm2
ThinkPhone 25
6.36 inches, 98.6 cm2 (~89.9% screen-to-body ratio)
Resolution
Signature 27
1264 x 2780 pixels (~449 ppi density)
ThinkPhone 25
1220 x 2670 pixels, 19.5:9 ratio (~462 ppi density)
Protection
Signature 27
Corning Gorilla Glass Victus 2
ThinkPhone 25
Corning Gorilla Glass 7i, Mohs level 4
OS
Signature 27
Android 17, up to 7 major OS updates
ThinkPhone 25
Android 14, up to 5 major Android upgrades
Chipset
Signature 27
Qualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6 (2 nm)
ThinkPhone 25
Mediatek Dimensity 7300 (4 nm)
CPU
Signature 27
Octa-core (2x5.01 GHz Prime + 3x4.03 GHz Performance + 3x3.74 GHz Performance)
ThinkPhone 25
Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Signature 27
Adreno 850
ThinkPhone 25
Mali-G615 MC2
Card slot
Signature 27
No
ThinkPhone 25
No
Internal
Signature 27
256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
ThinkPhone 25
256GB 8GB RAM, 512GB 12GB RAM
Other
Signature 27
UFS 4.1
ThinkPhone 25
uMCP
Triple
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
ThinkPhone 25
50 MP, f/1.8, (wide), 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.0, (telephoto), 1.0µm, PDAF, OIS, 3x optical zoom 13 MP, f/2.2, 120˚ (ultrawide), 1.12µm, PDAF
Features
Signature 27
Dual-LED flash, HDR, panorama
ThinkPhone 25
LED flash, panorama, HDR
Video
Signature 27
8K@30fps (Dolby Vision), 4K@30/60fps (Dolby Vision), 4K@120fps, 1080p@30/60/120/240fps, 10-bit HDR10+, gyro-EIS
ThinkPhone 25
4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS
Single
Signature 27
50 MP, f/2.0, 21mm (wide), 1/2.93", 0.6µm, dual-pixel PDAF
ThinkPhone 25
32 MP, f/2.4, (wide), 0.7µm
Features
Signature 27
HDR
ThinkPhone 25
-
Video
Signature 27
4K@30/60fps, 1080p@30/60/120/240fps, HDR
ThinkPhone 25
4K@30fps, 1080p@30/60/120fps
Loudspeaker
Signature 27
Yes, with stereo speakers (with Dolby Atmos)
ThinkPhone 25
Yes, with stereo speakers
3.5mm jack
Signature 27
No
ThinkPhone 25
No
Other
Signature 27
24-bit/192kHz Hi-Res & Hi-Res Wireless audio Sound by Bang & Olufsen
ThinkPhone 25
-
WLAN
Signature 27
Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
ThinkPhone 25
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band
Bluetooth
Signature 27
6.0, A2DP, LE
ThinkPhone 25
5.4, A2DP, LE
Positioning
Signature 27
GPS, GLONASS, GALILEO, BDS, NavIC
ThinkPhone 25
GPS, GLONASS, GALILEO
NFC
Signature 27
Yes
ThinkPhone 25
Yes
Radio
Signature 27
No
ThinkPhone 25
FM radio
USB
Signature 27
USB Type-C 3.1 Gen2, OTG, DisplayPort 1.4
ThinkPhone 25
USB Type-C 2.0
Sensors
Signature 27
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
ThinkPhone 25
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Signature 27
Smart Connect (Ready For) support Ultra Wideband (UWB) support
ThinkPhone 25
Smart Connect support
Type
Signature 27
Si/C Li-Ion 7000 mAh
ThinkPhone 25
4310 mAh
Charging
Signature 27
90W wired 50W wireless 10W reverse wireless 5W reverse wired
ThinkPhone 25
68W wired, 50% in 11 min 15W wireless
Colors
Signature 27
Pantone: Coal Smoke, Capulet Olive
ThinkPhone 25
Carbon Black
Models
Signature 27
-
ThinkPhone 25
XT2409-6
Price
Signature 27
-
ThinkPhone 25
£ 275.90 / € 314.99