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  3. ROG Phone 8 Pro vs X300 Ultra

Asus ROG Phone 8 Pro vs Vivo X300 Ultra

What ROG Phone 8 Pro does better (7) and where X300 Ultra wins (22) — every spec side by side.

Asus ROG Phone 8 Pro
Asus · 2024ROG Phone 8 Pro
9.2Score
7 advantages≈ $2,700
vs
Vivo X300 Ultra
Vivo · 2026X300 Ultra
9.7Score
22 advantages≈ $2,150
Higher score
9.0Display9.6
8.6Performance9.5
9.4Camera9.8
8.0Battery9.3
7.8Features9.7
Dimensions

Size comparison

ROG Phone 8 ProX300 Ultra
76.8 × 163.88.976.8 × 1638.2
ROG Phone 8 ProX300 UltraDifference
Height163.8 mm163 mm+0.8 mm
Width76.8 mm76.8 mm=
Thickness8.9 mm8.2 mm+0.7 mm
Weight225 g232 g−7 g

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

Why is ROG Phone 8 Pro better than X300 Ultra?

  1. RAM24 GB vs 16 GB+50%
  2. Refresh rate165 Hz vs 144 Hz+15%
  3. Storage (base)512 GB vs 256 GB2×
  4. 3.5 mm headphone jackYes · X300 Ultra: No
  5. Weight225 g vs 232 g+3%
  6. Rear cameras3 vs 2+50%
  7. Charged in 30 min77% vs 66%+17%

Why is X300 Ultra better than ROG Phone 8 Pro?

  1. Main camera50 MP vs 200 MP4×
  2. AnTuTu score1,639,368 vs 2,723,497+66%
  3. Geekbench 6 (multi-core)6,542 vs 11,494+76%
  4. Wired charging65 W vs 100 W+54%
  5. Battery capacity5,500 mAh vs 6,600 mAh+20%
  6. Peak brightness2,500 nits vs 4,500 nits+80%
  7. Optical zoom3× vs 4.7×+57%
  8. Wireless charging power15 W vs 40 W2.7×
  9. Active use (test)14.7 h vs 15.8 h+7%
  10. CPU frequency3.3 GHz vs 4.6 GHz+39%
  11. 3DMark Wild Life Extreme5,205 vs 7,075+36%
  12. Pixel density388 ppi vs 510 ppi+31%
Specifications

Side by side

Vivo X300 UltraVivo X300 Ultra≈ $2,1509.7
Design
Weight225 g232 g
Thickness8.9 mm8.2 mm
Height163.8 mm163 mm
Width76.8 mm76.8 mm
FrameAluminiumAluminium
BackGlassGlass
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCorning Gorilla Glass Victus 2Armor glass
ColoursPhantom BlackEclipse Black, Victory Green, Silver
Display
Screen size6.8″6.8″
PanelLTPO AMOLEDLTPO AMOLED
OLED panelYesYes
LTPO (adaptive 1–120 Hz)YesYes
Resolution (width)1,080 px1,440 px
Resolution (height)2,400 px3,168 px
Pixel density388 ppi510 ppi
Refresh rate165 Hz144 Hz
Peak brightness2,500 nits4,500 nits
Measured brightness1,765 nits1,935 nits
Screen-to-body ratio88.2%90.3%
HDRYesYes
Performance
ChipsetQualcomm SM8650-AB Snapdragon 8 Gen 3Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5
Chip makerQualcommQualcomm
Process4 nm3 nm
CPU cores88
CPU frequency3.3 GHz4.6 GHz
GPUAdreno 750Adreno 840
AnTuTu score1,639,3682,723,497
Geekbench 6 (multi-core)6,54211,494
3DMark Wild Life Extreme5,2057,075
Memory
RAM24 GB16 GB
Storage (max)1,024 GB1,024 GB
Storage (base)512 GB256 GB
Storage typeUFS 4.0UFS 4.1
Memory card slotNoNo
Camera
Main camera50 MP200 MP
Main camera aperturef/1.9f/1.9
Main sensor size1/1.56"1/1.12"
Rear cameras32
Optical stabilisationYesYes
Ultra-wide cameraYesYes
Telephoto cameraYesYes
Optical zoom3×4.7×
Max video8K8K
4K video frame rate60 fps120 fps
Selfie camera32 MP50 MP
4K selfie videoNoYes
Battery
Battery capacity5,500 mAh6,600 mAh
Battery typeLi-PoSi/C
Active use (test)14.7 h15.8 h
Wired charging65 W100 W
Charged in 30 min77%66%
Wireless chargingYesYes
Wireless charging power15 W40 W
Reverse wireless charging—Yes
Connectivity
5GYesYes
eSIMNoYes
Dual SIMYesYes
Wi-Fi standardWi-Fi 7Wi-Fi 7
Bluetooth5.45.4
NFCYesYes
USBUSB Type-C (side)USB Type-C 3.2
USB version3.23.2
Video outputYesYes
Satellite messaging—Yes
Infrared port—Yes
Dual-band GPSYesYes
Satellite navigationGLONASS, GALILEO, BDS, QZSS, NavICGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackYesNo
Loudspeaker loudness-26.3 LUFS-24.7 LUFS
Fingerprint sensorUnder displayUnder display, ultrasonic
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
SAR (head)—0.99 W/kg
Software
OS at launchAndroid 14Android 16
PlatformAndroidAndroid
InterfaceROG UIOriginOS 6
Major OS updates promised2—
EU label
Energy class—B
Battery charge cycles—1,200
Endurance per cycle—57 h
Repairability class—C
Drop resistance class—B
To compare: 0up to 4 models
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