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InnoReviews

realme P3 Ultra 5G vs Vivo X300 Ultra

realme P3 Ultra 5G
54.5Inno Score
VS
WINNER
Vivo X300 Ultra
88.1Inno Score
30.6Performance93.3
59.2Display82.3
42.6Camera84.6
81.4Battery91.5
86.7Features84
5 spec wins — realme P3 Ultra 5G12 spec wins — Vivo X300 Ultra

InnoReviews verdict

Vivo X300 Ultra wins this phone face-off, 88.1 to 54.5, pulling ahead mainly in performance (+63) and camera (+42). realme P3 Ultra 5G still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the realme P3 Ultra 5G

  • 21% lower weight: 183 g vs 232 g
  • 10% lower thickness: 7.4 mm vs 8.2 mm

Reasons to pick the Vivo X300 Ultra

  • Stronger performance score: 93 vs 31
  • Stronger display score: 82 vs 59
  • Stronger camera score: 85 vs 43
  • Stronger battery score: 92 vs 81
  • 525% higher ultra-wide: 50 MP vs 8 MP

Display

Display comparison: realme P3 Ultra 5G versus Vivo X300 Ultra
Specrealme P3 Ultra 5GVivo X300 Ultra
Screen size6.83 ″6.82 ″
Panel typeAMOLEDLTPO AMOLED
Resolution1272x28001440x3168
Pixel density450 ppi510 ppi+13%
Refresh rate120 Hz144 Hz+20%
Peak brightness1,500 nits4,500 nits+200%
Screen-to-body93.8 %+4%90.3 %

Performance

Performance comparison: realme P3 Ultra 5G versus Vivo X300 Ultra
Specrealme P3 Ultra 5GVivo X300 Ultra
ChipsetMediaTek Dimensity 8350 UltraQualcomm Snapdragon 8 Elite Gen 5
AnTuTu—4,085,695
Geekbench 6 (single)1,274Bottom 48%3,730+193%Top 3%
Geekbench 6 (multi)4,169Top 47%11,494+176%Top 3%
RAM (max)12 GB16 GB+33%
Storage options128/256/512GB256/512GB/1TB
Storage typeUFS 3.1UFS 4.1

Camera

Camera comparison: realme P3 Ultra 5G versus Vivo X300 Ultra
Specrealme P3 Ultra 5GVivo X300 Ultra
Main camera50 MP200 MP+300%
Main aperturef/1.8f/1.9
Ultra-wide8 MP50 MP+525%
Telephoto—200 MP
Optical zoom—3.7 x
Max video4K@60fps8K@30fps
Front camera16 MP50 MP+213%
OISYesYes

Battery

Battery comparison: realme P3 Ultra 5G versus Vivo X300 Ultra
Specrealme P3 Ultra 5GVivo X300 Ultra
Capacity6,000 mAh6,600 mAh+10%
Wired charging80 W100 W+25%
Wireless charging0 W40 W
Active use endurance16.8 h+5%16 h

Design

Design comparison: realme P3 Ultra 5G versus Vivo X300 Ultra
Specrealme P3 Ultra 5GVivo X300 Ultra
Weight183 g+21%232 g
Thickness7.4 mm+10%8.2 mm
IP ratingIP66/IP68/IP69IP68/IP69
Frame materialPlasticAluminum

Connectivity

Connectivity comparison: realme P3 Ultra 5G versus Vivo X300 Ultra
Specrealme P3 Ultra 5GVivo X300 Ultra
5GYesYes
Wi-FiWi-Fi 6Wi-Fi 7
Bluetooth5.45.4
NFCYesYes
USBUSB Type-CUSB-C 3.2
eSIM—Yes

Software

Software comparison: realme P3 Ultra 5G versus Vivo X300 Ultra
Specrealme P3 Ultra 5GVivo X300 Ultra
OS at launchAndroid 15 (realme UI 6.0)Android 16 (OriginOS 6)
OS update pledge—5 years

Audio

Audio comparison: realme P3 Ultra 5G versus Vivo X300 Ultra
Specrealme P3 Ultra 5GVivo X300 Ultra
Stereo speakersYesYes
3.5mm jackNoNo

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