vivo X300 Pro vs Xiaomi 14 Pro: A Deep Dive into Flagship Performance and Battery Life

The vivo X300 Pro and Xiaomi 14 Pro represent the pinnacle of Android smartphone technology, but they take distinctly different approaches. The X300 Pro prioritizes sustained performance and exceptional battery endurance with MediaTek’s latest Dimensity 9500, while the Xiaomi 14 Pro aims for peak power and rapid replenishment with the Snapdragon 8 Gen 3 and its 120W charging. This comparison dissects these key differences to determine which device best suits your needs.
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🏆 Quick Verdict

For the average user prioritizing longevity and consistent performance, the vivo X300 Pro emerges as the winner. Its impressive 48:21h battery endurance and the efficiency of the Dimensity 9500 outweigh the Xiaomi 14 Pro’s faster charging, especially for those who frequently engage in demanding tasks.

PHONES
Phone Names vivo X300 Pro Xiaomi 14 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - ChinaHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 661, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands1, 2, 3, 5, 7, 8, 18, 20, 25, 26, 28, 34, 38, 39, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub61, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
Announced2025, October 132023, October 26
StatusAvailable. Released 2025, October 17Available. Released 2023, November 01
Body
BuildGlass front (Armor Glass), aluminum alloy frame, glass backGlass front, aluminum frame or titanium frame, glass back
Dimensions161.2 x 75.5 x 8 mm (6.35 x 2.97 x 0.31 in)161.4 x 75.3 x 8.5 mm
SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) - International· Nano-SIM + Nano-SIM - ChinaNano-SIM + Nano-SIM
Weight226 g (7.97 oz)223 g or 230 g (7.87 oz)
Display
ProtectionArmor Glass, Mohs level 4Shatterproof glass
Resolution1260 x 2800 pixels, 20:9 ratio (~452 ppi density)1440 x 3200 pixels, 20:9 ratio (~522 ppi density)
Size6.78 inches, 111.5 cm2 (~91.6% screen-to-body ratio)6.73 inches, 108.9 cm2 (~89.6% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 120Hz, 2160Hz PWM, HDR10+, HDR Vivid, Dolby Vision, 4500 nits (peak)LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3000 nits (peak)
Platform
CPUOcta-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
ChipsetMediatek Dimensity 9500 (3 nm)Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
GPUArm G1-UltraAdreno 750
OSAndroid 16, up to 5 major Android upgrades, OriginOS 6Android 14, HyperOS
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Main Camera
FeaturesLaser AF, color spectrum sensor, Zeiss optics, Zeiss T* lens coating, LED flash, panorama, HDR, 3D LUT importLaser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama
Triple50 MP, f/1.6, 24mm (wide), 1/1.28", 1.22µm, PDAF, OIS 200 MP, f/2.7, 85mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 3.7x optical zoom, macro 2.7:1 50 MP, f/2.0, 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF50 MP, f/1.4-f/4.0, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/2.0, 75mm (telephoto), PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP, f/2.2, 14mm, 115˚ (ultrawide), AF
Video8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, 4K@120fps 10-bit Log, Dolby Vision HDR8K@24fps (HDR), 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Selfie camera
FeaturesHDRHDR, panorama
Single50 MP, f/2.0, 20mm (wide), 1/2.76", 0.64µm, AF32 MP, f/2.0, 22mm (wide), 0.7µm
Video4K@30/60fps, 1080p@30/60fps4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE, aptX HD, LHDC 55.4, A2DP, LE, aptX HD, aptX Adaptive
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5)GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 3.2, OTGUSB Type-C 3.2 Gen 2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-bandWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, proximity, gyro, compass, barometer
Battery
Charging90W wired 40W wireless Reverse wireless Reverse wired120W wired, PD3.0, QC4, 100% in 18 min 50W wireless, 100% in 40 min 10W reverse wireless
Type· Si/C Li-Ion 6510 mAh (Global)· Si/C Li-Ion 5440 mAh (EU markets)Li-Po 4880 mAh
Misc
ColorsPhantom Black, Mist Blue, Dune Brown, Cloud WhiteBlack, Silver, Titanium, Green
ModelsV2514, V2502A23116PN5BC
PriceAbout 1400 EURAbout 650 EUR
EU LABEL
Battery48:21h endurance, 1200 cycles-
EnergyClass B-
Free fallClass B (180 falls)-
RepairabilityClass C-

vivo X300 Pro

  • Exceptional battery life (48:21h endurance)
  • Efficient 3nm Dimensity 9500 chipset
  • Long-term battery health (1200 cycles)
  • Reverse wired charging

  • Slower wired charging than Xiaomi 14 Pro
  • Wireless charging speed is slower

Xiaomi 14 Pro

  • Blazing-fast 120W wired charging (18 min 0-100%)
  • Powerful Snapdragon 8 Gen 3 chipset
  • Faster 50W wireless charging
  • Likely excellent camera system (based on brand reputation)

  • Shorter battery life compared to vivo X300 Pro
  • Potentially more thermal throttling under sustained load

Display Comparison

The vivo X300 Pro boasts a peak brightness of 2113 nits, ensuring excellent visibility even in direct sunlight. While the Xiaomi 14 Pro’s display specs aren’t provided, Xiaomi flagships typically employ high-quality LTPO panels for adaptive refresh rates, potentially offering smoother scrolling and improved power efficiency. However, without specific data on the Xiaomi 14 Pro’s panel technology and peak brightness, the X300 Pro currently holds the advantage in measured display performance.

Camera Comparison

Without detailed camera specifications for either device, a direct comparison is limited. However, both brands are known for their camera prowess. The Xiaomi 14 Pro, given Xiaomi’s recent focus, likely features a large main sensor with advanced image processing algorithms. The X300 Pro, inheriting vivo’s camera heritage, will likely prioritize color accuracy and portrait mode capabilities. The absence of information regarding sensor sizes and lens apertures prevents a definitive assessment.

Performance

The core of the difference lies in the chipsets. The vivo X300 Pro utilizes the Mediatek Dimensity 9500, fabricated on a 3nm process, featuring an octa-core configuration with a high-clocked 4.21 GHz C1-Ultra core. This architecture suggests a focus on maximizing single-core performance for responsive UI and app loading. Conversely, the Xiaomi 14 Pro employs the Qualcomm Snapdragon 8 Gen 3 (4nm), with a more balanced core configuration. While the Snapdragon 8 Gen 3’s Cortex-X4 core reaches 3.3 GHz, the Dimensity 9500’s higher clock speed and newer process node could translate to superior efficiency and sustained performance during extended gaming sessions. The 3nm process of the Dimensity 9500 should also result in lower heat generation.

Battery Life

The vivo X300 Pro’s battery endurance of 48:21h is a standout feature, supported by 1200 charge cycles, indicating long-term battery health. While the Xiaomi 14 Pro offers a significantly faster 120W wired charging (100% in 18 minutes) compared to the X300 Pro’s 90W, the X300 Pro’s longer endurance mitigates the need for frequent top-ups. The Xiaomi 14 Pro’s 50W wireless charging is also faster than the X300 Pro’s 40W, but the X300 Pro offers the convenience of reverse wired charging, a feature absent in the Xiaomi 14 Pro.

Buying Guide

Buy the vivo X300 Pro if you need a phone that will comfortably last through two full days of moderate to heavy use, and value a chipset optimized for sustained performance over raw benchmark scores. Buy the Xiaomi 14 Pro if you prioritize the absolute fastest charging speeds available, and frequently find yourself needing to top up your battery quickly, even if it means sacrificing some overall endurance.

Frequently Asked Questions

❓ Will the Dimensity 9500 in the vivo X300 Pro overheat during prolonged gaming sessions?
The Dimensity 9500’s 3nm process node is designed for improved thermal efficiency compared to the 4nm Snapdragon 8 Gen 3. This suggests the X300 Pro should experience less throttling and maintain higher sustained performance during extended gaming, though real-world testing is needed to confirm.
❓ How much faster is the Xiaomi 14 Pro’s 120W charging in a real-world scenario compared to the vivo X300 Pro’s 90W?
The Xiaomi 14 Pro can fully charge in 18 minutes, while the X300 Pro’s charging time is not specified but will be longer. In practical terms, this means you can gain a significant charge during a short break, making the Xiaomi 14 Pro ideal for users who frequently need a quick power boost.
❓ Does the vivo X300 Pro’s reverse wired charging support fast charging for other devices?
The context data confirms the X300 Pro supports reverse wired charging, but doesn't specify the wattage. It's likely to be slower than the 90W wired charging it supports for itself, but still useful for topping up accessories like earbuds or smartwatches.