vivo iQOO 15 vs vivo X300 FE

Specs compared side by side, measured on real phones shared by owners with the Device Info app.

vivo iQOO 15Snapdragon 8 Elite Gen 5Change
vivo X300 FEvivo X300 FESnapdragon 8 Gen 5Change

Key differences

  1. Chipset: the iQOO 15 uses the Snapdragon 8 Elite Gen 5 (3 nm TSMC N3E), the vivo X300 FE the Snapdragon 8 Gen 5 (3 nm TSMC N3E). The iQOO 15's fastest core runs at 4.61 GHz, the vivo X300 FE's at 3.80 GHz.
  2. Screen: 6.9 inches on the iQOO 15, 6.3 inches on the vivo X300 FE. Up to 144 Hz on the iQOO 15, 120 Hz on the vivo X300 FE.
  3. Battery: 7,000 mAh on the iQOO 15, 6,500 mAh on the vivo X300 FE.
  4. Main camera: 50.3 MP on the iQOO 15, 12.6 MP on the vivo X300 FE.

The same on both: 12GB | 256GB versions, Android 16, NFC and Widevine L1.

Chipset

Chipset
Snapdragon 8 Elite Gen 5Snapdragon 8 Gen 5
Process
3 nm TSMC N3E3 nm TSMC N3E
CPU
2× 4.61 GHz Oryon V3 Phoenix L
6× 3.63 GHz Oryon V3 Phoenix M2× 3.80 GHz Oryon V3 Phoenix L
6× 3.32 GHz Oryon V3 Phoenix M
Top CPU speed
4.61 GHz3.80 GHz
CPU cores
88
GPU
Adreno 840Adreno 829

Memory

Versions seen
12GB | 256GB12GB | 256GB
RAM type
LPDDR5XLPDDR5X
Storage type
UFS 4.1UFS 4.1

Display

Size
6.9 in6.3 in
Resolution
1440 × 31681216 × 2640
Pixel density
508 ppi460 ppi
Refresh rates
144 Hzalso 60, 90, 120120 Hzalso 60, 90
HDR
Dolby Vision, HDR10, HDR10+, HLGHDR10, HDR10+, HLG

Battery

Capacity
7,000 mAh6,500 mAh

Cameras

Back camera
50.3 MP8192 × 6144 · f/1.88 · 5.56 mm · OIS12.6 MP4096 × 3072 · f/1.57 · 5.61 mm · OIS
Front camera
32 MP6528 × 4896 · f/2.2 · 2.8 mm50.1 MP8160 × 6144 · f/2 · 3.09 mm

Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.

Connectivity

Wi-Fi
Wi-Fi 7—
6 GHz Wi-Fi
YesYes
Bluetooth LE Audio
NoNo
NFC
YesYes
UWB
NoNo
USB host
YesYes

Software

Android
Android 16Android 16
Released with
Android 16Android 16
Widevine DRM
L1L1

Sensors

Sensors
56 sensors56 sensors
iQOO 15 full specs vivo X300 FE full specs

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From phones shared with the Device Info app · updated November 2026 Hardware specs only. No personal data. Privacy