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iQOO 15 vs Vivo X300 FE

₹4,000 apart. Here is what actually separates them.

The short version

Which one should you buy?

The 15 starts ₹4,000 lower: ₹85,999 against ₹89,999 for the X300 FE.

  • The 15 has the bigger battery: 7,000 mAh against 6,500 mAh. It also charges faster, at 100W against 90W.
  • The screens are a split decision: the 15 is smoother (144Hz against 120Hz) and sharper (2K against 1.5K), the X300 FE is brighter (5,000 nits against 4,500).
  • The X300 FE is promised more software updates: 5 OS updates, against 4 OS updates for the 15.
  • The X300 FE is the lighter phone: 191 g against 216 g. It is smaller too, with a 6.31-inch screen against 6.85 inches.
Which to buy

Get the 15 for the lower price, the bigger battery and faster charging. Get the X300 FE for the brighter screen, longer software support and the lighter build.

Side by side

Every spec, lined up

Better on paper

Display

Spec15X300 FE
Size 6.85 inches 6.31 inches
Panel LTPO AMOLED AMOLED
Resolution 3168 x 1440 (2K) (better) 2640 x 1216 (1.5K)
Refresh rate 144Hz (better) 120Hz
Peak brightness 4,500 nits 5,000 nits (better)
Protection Schott Xensation Alpha Not listed

Performance

Spec15X300 FE
Chipset Snapdragon 8 Elite Gen 5 Snapdragon 8 Gen 5
CPU Octa-core, up to 4.32GHz Octa-core, up to 3.8GHz
GPU Adreno 830 Not listed
RAM 12GB, 16GB 8GB, 12GB
Storage 256GB, 512GB 256GB, 512GB
Software OriginOS 6, Android 16 · 4 OS updates OriginOS 6, Android 16 · 5 OS updates (better)

Camera

Spec15X300 FE
Rear cameras 50MP main (f/1.88, OIS) + 50MP ultrawide (f/2.05) + 50MP 3x periscope (f/2.65, OIS) 50MP main (f/1.57, OIS) + 50MP telephoto (f/2.65, OIS) + 8MP ultrawide (f/2.2)
Front camera 32MP (f/2.2) 50MP (f/2.0, AF)
Video 8K at 30fps (rear), 4K at 60fps (front) 8K (rear), 4K at 120fps (rear)

Battery

Spec15X300 FE
Battery 7,000 mAh (better) 6,500 mAh
Wired charging 100W (better) 90W
Wireless charging 40W 40W

Build and connectivity

Spec15X300 FE
Network 5G, 4G LTE 5G (SA/NSA), 4G VoLTE
SIM Dual nano SIM Dual nano SIM + eSIM
Wi-Fi and Bluetooth Wi-Fi 7, Bluetooth 6.0 Dual-band Wi-Fi (2.4GHz, 5GHz), Bluetooth 6.0
NFC Yes Yes
Dust and water IP68 and IP69 IP68 and IP69
Weight 216 g 191 g (better)
Thickness 8.14 mm 7.99 mm (better)
Colours Apex, Legend, Alpha Urban Olive, Lilac Purple, Noir Black

Availability

Spec15X300 FE
Launch in India 26 Nov 2025 6 May 2026
Status On sale On sale
Price in India

Versions and prices

15
  • 12GB + 256GB₹85,999
  • 16GB + 512GB₹93,999
X300 FE
  • 8GB + 256GB₹89,999
  • 12GB + 256GB₹94,999
  • 12GB + 512GB₹99,999

Prices in India as we last checked them. Sales and bank offers change them often, so check before you buy.