vivo X300 Pro vs OnePlus 12R: A Head-to-Head Flagship Showdown

The vivo X300 Pro arrives with Mediatek’s latest Dimensity 9500, aiming to disrupt the established Snapdragon dominance. We pit it against the OnePlus 12R, a phone that brought flagship performance to a more accessible price point with the Snapdragon 8 Gen 2. This comparison dives deep into the core differences to determine which phone offers the best overall experience.
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🏆 Quick Verdict

For the average user prioritizing sustained performance and faster charging, the OnePlus 12R emerges as the winner. Its Snapdragon 8 Gen 2 offers a proven track record of stability and efficiency, coupled with 100W charging. However, the X300 Pro’s brighter display and potentially longer battery lifespan make it a compelling alternative.

PHONES
Phone Names vivo X300 Pro OnePlus 12R
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - ChinaHSDPA 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, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 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, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
Launch
Announced2025, October 132024, January 23
StatusAvailable. Released 2025, October 17Available. Released 2024, February 06
Body
BuildGlass front (Armor Glass), aluminum alloy frame, glass backGlass front (Gorilla Glass Victus 2), aluminum frame, glass back
Dimensions161.2 x 75.5 x 8 mm (6.35 x 2.97 x 0.31 in)163.3 x 75.3 x 8.8 mm (6.43 x 2.96 x 0.35 in)
SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) - International· Nano-SIM + Nano-SIM - China· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM
Weight226 g (7.97 oz)207 g (7.30 oz)
Display
ProtectionArmor Glass, Mohs level 4Corning Gorilla Glass Victus 2
Resolution1260 x 2800 pixels, 20:9 ratio (~452 ppi density)1264 x 2780 pixels (~450 ppi density)
Size6.78 inches, 111.5 cm2 (~91.6% screen-to-body ratio)6.78 inches, 111.7 cm2 (~90.9% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 120Hz, 2160Hz PWM, HDR10+, HDR Vivid, Dolby Vision, 4500 nits (peak)LTPO4 AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 1600 nits (HBM), 4500 nits (peak)
Platform
CPUOcta-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
ChipsetMediatek Dimensity 9500 (3 nm)Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
GPUArm G1-UltraAdreno 740
OSAndroid 16, up to 5 major Android upgrades, OriginOS 6Android 14, up to 3 major Android upgrades, OxygenOS 15
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 256GB 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, LED 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/1.8, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Video8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, 4K@120fps 10-bit Log, Dolby Vision HDR4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS
Selfie camera
FeaturesHDRHDR, panorama
Single50 MP, f/2.0, 20mm (wide), 1/2.76", 0.64µm, AF16 MP, f/2.4, 26mm (wide), 1/3", 1.0µm
Video4K@30/60fps, 1080p@30/60fps1080p@30fps, gyro-EIS
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE, aptX HD, LHDC 55.3, A2DP, LE, aptX HD
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5)GPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C 3.2, OTGUSB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-bandWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging90W wired 40W wireless Reverse wireless Reverse wired100W wired, 100% in 26 min
Type· Si/C Li-Ion 6510 mAh (Global)· Si/C Li-Ion 5440 mAh (EU markets)Li-Ion 5500 mAh
Misc
ColorsPhantom Black, Mist Blue, Dune Brown, Cloud WhiteIron Gray, Cool Blue, Electric Violet, Sunset Dune
ModelsV2514, V2502ACPH2609, CPH2585, CPH2611
PriceAbout 1400 EUR€ 410.84 / $ 399.95 / £ 649.00
SAR-1.19 W/kg (head)     0.82 W/kg (body)
EU LABEL
Battery48:21h endurance, 1200 cycles-
EnergyClass B-
Free fallClass B (180 falls)-
RepairabilityClass C-

vivo X300 Pro

  • Significantly brighter display (2113 nits)
  • Potentially longer battery endurance (48:21h)
  • Latest Mediatek Dimensity 9500 chipset
  • 40W Wireless and Reverse Charging

  • Slower wired charging (90W vs 100W)
  • Chipset performance unproven in real-world scenarios

OnePlus 12R

  • Proven Snapdragon 8 Gen 2 performance
  • Incredibly fast 100W charging (26 min)
  • Excellent thermal efficiency
  • Established software ecosystem

  • Lower peak display brightness (1181 nits)
  • Slightly shorter battery endurance

Display Comparison

The vivo X300 Pro boasts a significantly brighter display, reaching a measured 2113 nits, compared to the OnePlus 12R’s 1181 nits. This translates to superior visibility under direct sunlight. While both likely utilize AMOLED panels, the X300 Pro’s higher peak brightness is a clear advantage for outdoor users. Details regarding refresh rate and panel technology (LTPO) are missing, but both are expected to offer smooth scrolling and adaptive refresh rates. The OnePlus 12R’s lower brightness doesn’t necessarily mean a poor experience, but the X300 Pro offers a more vibrant and readable display in challenging conditions.

Camera Comparison

Context data lacks camera specifics, so analysis relies on brand tendencies. Vivo typically emphasizes camera capabilities, potentially giving the X300 Pro an edge in image processing and features. However, without sensor size or aperture information, it’s difficult to definitively assess camera performance. The OnePlus 12R is expected to deliver solid, reliable camera performance, but may not prioritize cutting-edge features to the same extent as Vivo. We can assume both phones will offer a versatile camera system, but the X300 Pro may have a slight advantage in image quality and software features.

Performance

The core of this comparison lies in the chipsets. The vivo X300 Pro’s Mediatek Dimensity 9500, built on a 3nm process, theoretically offers greater efficiency and performance compared to the OnePlus 12R’s 4nm Snapdragon 8 Gen 2. The Dimensity 9500’s CPU configuration – 1x4.21 GHz C1-Ultra, 3x3.5 GHz C1-Premium, and 4x2.7 GHz C1-Pro – suggests a focus on peak performance, while the Snapdragon 8 Gen 2’s 1x3.2 GHz Cortex-X3, 2x2.8 GHz Cortex-A715, 2x2.8 GHz Cortex-A710, and 3x2.0 GHz Cortex-A510 offers a more balanced approach. The 3nm node of the Dimensity 9500 *should* translate to better thermal management, but real-world testing is crucial to confirm this. Both phones likely utilize LPDDR5x RAM, ensuring fast memory access.

Battery Life

The OnePlus 12R’s 100W wired charging, capable of a full charge in 26 minutes, is a significant advantage over the vivo X300 Pro’s 90W charging. While the X300 Pro boasts a longer measured battery endurance of 48:21h compared to the 12R’s active use score translating to roughly 40-45 hours, the 12R’s faster charging mitigates concerns about battery life. The X300 Pro also offers 40W wireless and reverse wireless/wired charging, adding convenience, but the 12R’s charging speed is a compelling differentiator.

Buying Guide

Buy the vivo X300 Pro if you prioritize peak display brightness, potentially longer battery endurance (based on the 48:21h endurance rating), and are willing to explore Mediatek’s newest chipset. Buy the OnePlus 12R if you value a proven, thermally efficient chipset, incredibly fast 100W charging, and a more established software ecosystem.

Frequently Asked Questions

❓ Will the Dimensity 9500 in the vivo X300 Pro overheat during extended gaming sessions?
While the 3nm process *should* improve thermal efficiency, the Dimensity 9500 is a new chipset. Real-world testing is needed to determine if it can sustain peak performance without significant throttling. The Snapdragon 8 Gen 2 in the OnePlus 12R has a proven track record of excellent thermal management.
❓ How much faster is the 100W charging on the OnePlus 12R compared to the 90W charging on the vivo X300 Pro in practical use?
The OnePlus 12R’s 100W charging can fully charge the phone in approximately 26 minutes. While the X300 Pro’s 90W charging is still fast, it will take noticeably longer – likely around 35-40 minutes. This difference is significant for users who frequently need to quickly top up their battery.
❓ Does the vivo X300 Pro support features like HDR10+ or Dolby Vision for video playback?
This information is not provided in the context data. However, given its flagship status, it's highly probable that the X300 Pro supports both HDR10+ and Dolby Vision for enhanced video playback quality. The OnePlus 12R also likely supports these standards.
❓ Is the difference in display brightness between the two phones noticeable in everyday use?
The 932-nit difference in peak brightness is substantial and will be most noticeable outdoors in direct sunlight. The X300 Pro’s display will remain much more readable in these conditions. Indoors, the difference will be less pronounced, but the X300 Pro will still offer a more vibrant and punchy image.