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Motorola Signature 27 vs Vivo X300 Ultra

What Signature 27 does better (13) and where X300 Ultra wins (7) — every spec side by side.

Motorola Signature 27
Motorola · 2026Signature 27
9.7Score
13 advantages
Higher score
vs
Vivo X300 Ultra
Vivo · 2026X300 Ultra
9.7Score
7 advantages≈ $2,150
9.6Display9.6
9.8Performance9.5
9.8Camera9.8
9.7Battery9.3
9.4Features9.7
Dimensions

Size comparison

Signature 27X300 Ultra
76.4 × 162.17.276.8 × 1638.2
Signature 27X300 UltraDifference
Height162.1 mm163 mm−0.9 mm
Width76.4 mm76.8 mm−0.4 mm
Thickness7.2 mm8.2 mm−1 mm
Weight191 g232 g−41 g

Drawn to the same scale from the official dimensions (front and side).

Why is Signature 27 better than X300 Ultra?

  1. AnTuTu score5,153,294 vs 2,723,497+89%
  2. Battery capacity7,000 mAh vs 6,600 mAh+6%
  3. Refresh rate165 Hz vs 144 Hz+15%
  4. Geekbench 6 (multi-core)12,703 vs 11,494+11%
  5. Peak brightness6,200 nits vs 4,500 nits+38%
  6. Weight191 g vs 232 g+21%
  7. CPU frequency5.01 GHz vs 4.6 GHz+9%
  8. Optical zoom5× vs 4.7×+6%
  9. Process2 nm vs 3 nm+50%
  10. Rear cameras3 vs 2+50%
  11. Wireless charging power50 W vs 40 W+25%
  12. Thickness7.2 mm vs 8.2 mm+14%

Why is X300 Ultra better than Signature 27?

  1. Main camera50 MP vs 200 MP4×
  2. Wired charging90 W vs 100 W+11%
  3. 4K video frame rate60 fps vs 120 fps2×
  4. eSIMNo · Signature 27: Yes
  5. Pixel density449 ppi vs 510 ppi+14%
  6. Resolution (width)1,264 px vs 1,440 px+14%
  7. USB version3.1 vs 3.2+3%
Specifications

Side by side

Vivo X300 UltraVivo X300 Ultra≈ $2,1509.7
Design
Weight191 g232 g
Thickness7.2 mm8.2 mm
Height162.1 mm163 mm
Width76.4 mm76.8 mm
FrameAluminiumAluminium
Back—Glass
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCorning Gorilla Glass Victus 2Armor glass
ColoursPantone: Coal Smoke, Capulet OliveEclipse Black, Victory Green, Silver
Display
Screen size6.8″6.8″
PanelLTPO AMOLEDLTPO AMOLED
OLED panelYesYes
LTPO (adaptive 1–120 Hz)YesYes
Resolution (width)1,264 px1,440 px
Resolution (height)2,780 px3,168 px
Pixel density449 ppi510 ppi
Refresh rate165 Hz144 Hz
Peak brightness6,200 nits4,500 nits
Measured brightness—1,935 nits
Screen-to-body ratio90.2%90.3%
HDRYesYes
Performance
ChipsetQualcomm SM8975 Snapdragon 8 Elite Extreme Gen 6Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5
Chip makerQualcommQualcomm
Process2 nm3 nm
CPU cores88
CPU frequency5.01 GHz4.6 GHz
GPUAdreno 850Adreno 840
AnTuTu score5,153,2942,723,497
Geekbench 6 (multi-core)12,70311,494
3DMark Wild Life Extreme—7,075
Memory
RAM16 GB16 GB
Storage (max)1,024 GB1,024 GB
Storage (base)256 GB256 GB
Storage typeUFS 4.1UFS 4.1
Memory card slotNoNo
Camera
Main camera50 MP200 MP
Main camera aperturef/1.9f/1.9
Main sensor size1/1.28"1/1.12"
Rear cameras32
Optical stabilisationYesYes
Ultra-wide cameraYesYes
Telephoto cameraYesYes
Optical zoom5×4.7×
Max video8K8K
4K video frame rate60 fps120 fps
Selfie camera50 MP50 MP
4K selfie videoYesYes
Battery
Battery capacity7,000 mAh6,600 mAh
Battery typeSi/CSi/C
Active use (test)—15.8 h
Wired charging90 W100 W
Charged in 30 min—66%
Wireless chargingYesYes
Wireless charging power50 W40 W
Reverse wireless chargingYesYes
Connectivity
5GYesYes
eSIMNoYes
Dual SIMYesYes
Wi-Fi standardWi-Fi 7Wi-Fi 7
Bluetooth65.4
NFCYesYes
USBUSB Type-C 3.1 Gen2USB Type-C 3.2
USB version3.13.2
Video outputYesYes
Ultra WidebandYes—
Satellite messaging—Yes
Infrared port—Yes
Dual-band GPS—Yes
Satellite navigationGLONASS, GALILEO, BDS, NavICGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Loudspeaker loudness—-24.7 LUFS
Fingerprint sensorUnder display, ultrasonicUnder display, ultrasonic
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
SAR (head)—0.99 W/kg
Software
OS at launchAndroid 17Android 16
PlatformAndroidAndroid
Interface—OriginOS 6
Major OS updates promised7—
EU label
Energy class—B
Battery charge cycles—1,200
Endurance per cycle—57 h
Repairability class—C
Drop resistance class—B
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