Oppo Reno15 Pro Max vs Xiaomi 14 Pro: A Flagship Face-Off

The Oppo Reno15 Pro Max and Xiaomi 14 Pro represent the cutting edge of Android flagship technology, but they take distinctly different approaches. The Reno15 Pro Max champions Mediatek’s latest Dimensity 9400, while the Xiaomi 14 Pro leverages the Qualcomm Snapdragon 8 Gen 3. This comparison dissects their core strengths to determine which device delivers the best overall experience.
Phones Images

🏆 Quick Verdict

For the average user prioritizing raw performance and a refined software experience, the Xiaomi 14 Pro emerges as the winner. Its Snapdragon 8 Gen 3, despite being on a 4nm process, offers a more mature and optimized platform. However, the Reno15 Pro Max’s blistering 120W charging and broader charging protocol support make it a compelling alternative for power users.

PHONES
Phone Names Oppo Reno15 Pro Max Xiaomi 14 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bandsLTE1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bandsSA/NSA1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
AnnouncedNot announced yet2023, October 26
StatusRumoredAvailable. Released 2023, November 01
Body
Build-Glass front, aluminum frame or titanium frame, glass back
Dimensions-161.4 x 75.3 x 8.5 mm
SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight-223 g or 230 g (7.87 oz)
Display
Protection-Shatterproof glass
Resolution1272 x 2800 pixels (~454 ppi density)1440 x 3200 pixels, 20:9 ratio (~522 ppi density)
Size6.78 inches, 111.7 cm26.73 inches, 108.9 cm2 (~89.6% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 120Hz, 3840Hz PWM, HDR10+LTPO AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3000 nits (peak)
Platform
CPUOcta-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
ChipsetMediatek Dimensity 9400 (3 nm)Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
GPUImmortalis-G925Adreno 750
OSAndroid 16, ColorOS 16Android 14, HyperOS
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Main Camera
FeaturesColor spectrum sensor, LED flash, HDR, panoramaLaser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama
Triple200 MP, f/1.8, 23mm (wide), 1/1.56", 0.5µm, PDAF, OIS 50 MP, f/2.8, 80mm (periscope telephoto), 1/2.76", 0.64µm, PDAF, OIS, 3.5x optical zoom 50 MP, f/2.0, 16mm, 116˚ (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
Video4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, 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
FeaturesPanorama, HDRHDR, panorama
Single50 MP, f/2.0, 21mm (wide), AF32 MP, f/2.0, 22mm (wide), 0.7µm
Video4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR4K@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, GALILEO, BDS, QZSSGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.2 Gen 2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-bandWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, proximity, gyro, compass, barometer
Battery
Charging120W wired, 13.5W PD, 33W UFCS, 33W PPS 50W wireless Reverse wired120W wired, PD3.0, QC4, 100% in 18 min 50W wireless, 100% in 40 min 10W reverse wireless
Type6500 mAhLi-Po 4880 mAh
Misc
ColorsBlack; other colorsBlack, Silver, Titanium, Green
Models-23116PN5BC
Price-About 650 EUR

Oppo Reno15 Pro Max

  • Blazing-fast 120W wired charging with multiple protocol support.
  • Potentially more power-efficient 3nm Dimensity 9400 chipset.
  • Wider range of charging options (wired, wireless, reverse).

  • Mediatek chipset may lack the software optimization of Snapdragon.
  • Potential for thermal throttling under sustained load.

Xiaomi 14 Pro

  • Mature and optimized Snapdragon 8 Gen 3 platform.
  • Likely superior thermal management.
  • Refined software experience and ecosystem.

  • Less versatile charging protocol support.
  • Slightly less power-efficient 4nm process.

Display Comparison

While both devices are expected to feature high-quality AMOLED displays, specific details like peak brightness and refresh rate are missing. However, the Reno15 Pro Max’s potential inclusion of LTPO technology, common in Oppo’s Pro models, would offer adaptive refresh rate capabilities for improved battery efficiency. The Xiaomi 14 Pro’s display is likely tuned for color accuracy, a hallmark of Xiaomi’s flagship devices. Bezels are expected to be minimal on both, but real-world testing will determine which offers a more immersive viewing experience.

Camera Comparison

Without specific camera sensor details, analysis relies on brand tendencies. Xiaomi flagships typically prioritize large main sensors and computational photography, while Oppo often focuses on versatile zoom capabilities. The Xiaomi 14 Pro is likely to feature a larger main sensor with advanced OIS, emphasizing detail and low-light performance. The Reno15 Pro Max may offer a more flexible camera system with multiple telephoto lenses. Image processing styles will also differ; Xiaomi tends towards vibrant, saturated colors, while Oppo often aims for a more natural look. The absence of information on secondary sensors makes a comprehensive comparison impossible, but the primary sensor and image processing pipeline will be key differentiators.

Performance

The core battleground is the chipset. The Oppo Reno15 Pro Max’s Dimensity 9400, built on a 3nm process, theoretically offers superior transistor density and power efficiency compared to the Xiaomi 14 Pro’s Snapdragon 8 Gen 3 (4nm). The Dimensity 9400’s CPU configuration – Cortex-X925, X4, and A720 cores – suggests a focus on both peak performance and sustained efficiency. However, Qualcomm’s Snapdragon 8 Gen 3 benefits from years of software optimization and a mature ecosystem. The Xiaomi 14 Pro’s CPU, while using slightly older Cortex-X4 and A720 cores, is clocked lower overall, potentially indicating a focus on thermal management. Both devices utilize Octa-core CPUs, but the architectural differences and process node size will dictate real-world performance and thermal throttling under heavy load. Both are expected to ship with LPDDR5x RAM, but the speed and configuration will impact multitasking performance.

Battery Life

The Reno15 Pro Max boasts a significant charging advantage with its 120W wired charging, supporting PD, UFCS, and PPS standards, offering maximum compatibility. The Xiaomi 14 Pro also supports 120W wired charging, claiming a full charge in 18 minutes. However, the Reno15 Pro Max further includes 50W wireless charging, exceeding the Xiaomi 14 Pro’s 50W wireless charging. The Reno15 Pro Max’s support for multiple charging protocols provides greater flexibility for users with different chargers. While battery capacity isn’t specified, the Reno15 Pro Max’s broader charging support and faster wireless speeds give it an edge for users who prioritize minimizing downtime.

Buying Guide

Buy the Oppo Reno15 Pro Max if you need the absolute fastest charging speeds available, coupled with support for multiple charging standards like UFCS and PPS, and aren't overly concerned with achieving the highest possible benchmark scores. Buy the Xiaomi 14 Pro if you prioritize a consistently smooth and responsive user experience, a more established software ecosystem, and a potentially more efficient thermal profile during sustained workloads.

Frequently Asked Questions

❓ Will the Dimensity 9400 in the Oppo Reno15 Pro Max overheat during extended gaming sessions?
While the 3nm process should improve efficiency, the Dimensity 9400 is a new architecture. Early reports and independent testing will be crucial to determine its thermal performance under sustained load. Qualcomm’s Snapdragon 8 Gen 3 has a proven track record of thermal management, giving it an initial advantage.
❓ Does the Xiaomi 14 Pro support all gaming frame rate options, including 90fps or 120fps, in popular titles like PUBG Mobile?
The Snapdragon 8 Gen 3 is capable of handling high frame rates in demanding games. However, support for specific frame rate options depends on the game developer’s optimization. The Xiaomi 14 Pro’s Game Turbo mode and optimized software are likely to maximize gaming performance and frame rate stability.
❓ What are the real-world benefits of UFCS and PPS charging on the Oppo Reno15 Pro Max?
UFCS (USB Fast Charging Specification) and PPS (Programmable Power Supply) allow for more efficient and safer charging with a wider range of compatible chargers. This means you're less reliant on proprietary chargers and can potentially achieve faster charging speeds with existing USB-PD chargers.
❓ How does the 4nm Snapdragon 8 Gen 3 compare to the 3nm Dimensity 9400 in terms of power consumption during everyday tasks?
While the 3nm Dimensity 9400 theoretically consumes less power, the Snapdragon 8 Gen 3 benefits from Qualcomm’s extensive power management optimizations. In everyday tasks like browsing and social media, the difference in power consumption is likely to be minimal. The Dimensity 9400’s advantage will be more apparent during demanding workloads.