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vivo X300 Pro vs Xiaomi 17 Ultra

₹20,000 apart. Here is what actually separates them.

vivo X300 Pro From ₹1,19,999
Xiaomi Xiaomi 17 Ultra From ₹1,39,999
The short version

Which one should you buy?

The X300 Pro starts ₹20,000 lower: ₹1,19,999 against ₹1,39,999 for the Xiaomi 17 Ultra.

  • The X300 Pro has the bigger battery: 6,510 mAh against 6,000 mAh.
  • The X300 Pro has the better screen on paper: brighter (4,500 nits against 3,500).
Which to buy

The X300 Pro is the easy pick: it wins on the lower price, the bigger battery and the brighter screen.

Side by side

Every spec, lined up

Better on paper

Spec score

SpecX300 ProXiaomi 17 Ultra
Overall 9.2 out of 10 Best in class 9.3 out of 10 Best in class (better)
Performance 10 out of 10 10 out of 10
Display 9.2 out of 10 (better) 9 out of 10
Rear camera 9 out of 10 9.1 out of 10 (better)
Front camera 7.6 out of 10 9.3 out of 10 (better)
Battery 9.2 out of 10 (better) 9 out of 10
Build 9.2 out of 10 (better) 8.5 out of 10
Software 8.6 out of 10 9.3 out of 10 (better)

Display

SpecX300 ProXiaomi 17 Ultra
Size 6.78 inches 6.9 inches
Panel AMOLED HyperRGB OLED
Resolution 2800 x 1260 (1.5K+) (better) 2608 x 1200
Refresh rate 120Hz 120Hz
Peak brightness 4,500 nits (better) 3,500 nits
Protection Diamond Armor Glass Xiaomi Shield Glass 3.0

Performance

SpecX300 ProXiaomi 17 Ultra
Chipset Dimensity 9500 Snapdragon 8 Elite Gen 5
CPU Octa-core, up to 4.21GHz Octa-core, up to 4.6GHz
GPU Not listed Adreno
RAM 16GB 16GB
Storage 512GB 512GB
Software OriginOS 6, Android 16 · 5 OS updates HyperOS 3 · 5 OS updates and 6 years of security updates

Camera

SpecX300 ProXiaomi 17 Ultra
Rear cameras 50MP main (f/1.57, OIS) + 200MP telephoto (f/2.67, OIS, 3.5x) + 50MP ultrawide (f/2.0) 50MP 1-inch main (f/1.67, OIS) + 200MP 75-100mm telephoto (OIS) + 50MP ultrawide (f/2.2)
Front camera 50MP (f/2.0, AF) 50MP (f/2.2, AF)
Video 4K at 120fps (rear) 8K at 30fps (rear), 4K at 60fps (front)

Battery

SpecX300 ProXiaomi 17 Ultra
Battery 6,510 mAh (better) 6,000 mAh
Wired charging 90W 90W
Wireless charging 40W 50W (better)

Build and connectivity

SpecX300 ProXiaomi 17 Ultra
Network 5G, 4G 5G, 4G LTE
SIM Dual nano SIM Dual SIM + eSIM
Wi-Fi and Bluetooth Wi-Fi (2.4GHz, 5GHz, 6GHz), Bluetooth 6.0 Wi-Fi 7, Bluetooth 6.0
NFC Yes Yes
Dust and water IP68 and IP69 IP66 + IP68 + IP69
Weight 226 g 218.4 g (better)
Thickness 7.99 mm (better) 8.29 mm
Colours Dune Gold, Elite Black White, Black

Availability

SpecX300 ProXiaomi 17 Ultra
Launch in India 2 Dec 2025 18 Mar 2026
Status On sale On sale
Price in India

Versions and prices

X300 Pro
  • 16GB + 512GB₹1,19,999
Xiaomi 17 Ultra
  • 16GB + 512GB₹1,39,999

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

Quick answers

X300 Pro vs Xiaomi 17 Ultra, answered

In India, the vivo X300 Pro starts at ₹1,19,999 and the Xiaomi 17 Ultra starts at ₹1,39,999.

Read moreRead less

Which is cheaper, the X300 Pro or the Xiaomi 17 Ultra?

The X300 Pro, by ₹20,000. Starting prices: ₹1,19,999 for the X300 Pro, ₹1,39,999 for the Xiaomi 17 Ultra.

Which has the bigger battery, the X300 Pro or the Xiaomi 17 Ultra?

The X300 Pro, with 6,510 mAh to 6,000 mAh. Both charge at 90W. Battery life also depends on the chip and the software, so treat these as a starting point.

Which has the better display?

On paper, the X300 Pro's: it is brighter (4,500 to 3,500 nits). The X300 Pro has a 6.78-inch AMOLED at 120Hz, the Xiaomi 17 Ultra a 6.9-inch HyperRGB OLED at 120Hz.

Which has the better camera?

The main cameras are 50MP main (f/1.57, OIS) on the X300 Pro and 50MP 1-inch main (f/1.67, OIS) on the Xiaomi 17 Ultra. A spec sheet can't show how the photos look, so read a review before you decide on the camera alone.

Which processors do they use?

The X300 Pro runs the Dimensity 9500, the Xiaomi 17 Ultra the Snapdragon 8 Elite Gen 5.

Which gets more software updates?

Neither: both are promised 5 OS updates.

Which is better protected against water?

Neither: both are rated IP68 and IP69. Still, no phone is fully waterproof, so keep them out of the pool.

Which is lighter?

They weigh about the same: 226 g and 218.4 g.