Oppo Reno15 Pro Max vs OnePlus 12R: A Clash of Chipsets and Charging Speeds

The Oppo Reno15 Pro Max arrives with the latest Mediatek Dimensity 9400, aiming for peak performance, while the OnePlus 12R leverages the established Snapdragon 8 Gen 2. This comparison dissects which phone delivers the best experience for demanding users, balancing raw power with real-world usability and value.
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🏆 Quick Verdict

For the power user prioritizing cutting-edge performance and the fastest charging, the Oppo Reno15 Pro Max is the winner. However, the OnePlus 12R provides a compelling alternative with excellent battery life and a proven chipset, making it a strong contender for those seeking a balanced flagship experience.

PHONES
Phone Names Oppo Reno15 Pro Max OnePlus 12R
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bandsLTE1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
5G bandsSA/NSA1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
Launch
AnnouncedNot announced yet2024, January 23
StatusRumoredAvailable. Released 2024, February 06
Body
Build-Glass front (Gorilla Glass Victus 2), aluminum frame, glass back
Dimensions-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)· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM
Weight-207 g (7.30 oz)
Display
Protection-Corning Gorilla Glass Victus 2
Resolution1272 x 2800 pixels (~454 ppi density)1264 x 2780 pixels (~450 ppi density)
Size6.78 inches, 111.7 cm26.78 inches, 111.7 cm2 (~90.9% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 120Hz, 3840Hz PWM, HDR10+LTPO4 AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 1600 nits (HBM), 4500 nits (peak)
Platform
CPUOcta-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
ChipsetMediatek Dimensity 9400 (3 nm)Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
GPUImmortalis-G925Adreno 740
OSAndroid 16, ColorOS 16Android 14, up to 3 major Android upgrades, OxygenOS 15
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM
Main Camera
FeaturesColor spectrum sensor, LED flash, HDR, panoramaLaser AF, color spectrum sensor, LED 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/1.8, 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)
Video4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS
Selfie camera
FeaturesPanorama, HDRHDR, panorama
Single50 MP, f/2.0, 21mm (wide), AF16 MP, f/2.4, 26mm (wide), 1/3", 1.0µm
Video4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR1080p@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, GALILEO, BDS, QZSSGPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-bandWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging120W wired, 13.5W PD, 33W UFCS, 33W PPS 50W wireless Reverse wired100W wired, 100% in 26 min
Type6500 mAhLi-Ion 5500 mAh
Misc
ColorsBlack; other colorsIron Gray, Cool Blue, Electric Violet, Sunset Dune
Models-CPH2609, CPH2585, CPH2611
Price-€ 410.84 / $ 399.95 / £ 649.00
SAR-1.19 W/kg (head)     0.82 W/kg (body)

Oppo Reno15 Pro Max

  • Cutting-edge Dimensity 9400 chipset for top-tier performance
  • Industry-leading 120W wired charging for incredibly fast top-ups
  • Versatile wireless charging options (50W and multiple standards)

  • Battery capacity currently unknown, potentially smaller than the 12R
  • Software optimization needs to be proven to fully leverage the Dimensity 9400

OnePlus 12R

  • Excellent 14:32h active use battery life
  • Proven Snapdragon 8 Gen 2 chipset with excellent thermal management
  • Bright 1181 nit display for outdoor visibility

  • Slower charging speed compared to the Reno15 Pro Max (26 minutes to 100%)
  • Chipset is a generation older than the Reno15 Pro Max’s

Display Comparison

The OnePlus 12R boasts a bright display, peaking at 1181 nits measured, ensuring excellent visibility outdoors. While the Reno15 Pro Max’s display specifications are currently unavailable, Oppo typically employs high-quality AMOLED panels. The 12R’s brightness is a concrete advantage, and its panel technology is likely to be similar to the Reno15 Pro Max, but without knowing the Reno15 Pro Max’s specs, a definitive comparison is difficult. Both are expected to offer vibrant colors and good viewing angles, but the 12R has a measurable lead in peak brightness.

Camera Comparison

Without detailed camera specifications for the Reno15 Pro Max, a direct comparison is limited. However, Oppo typically focuses on strong camera performance, and we can expect a capable main sensor. The OnePlus 12R’s camera system is likely to be a solid performer, but it’s unlikely to compete with flagship-level camera systems found on other devices. The focus should be on image processing algorithms and low-light performance, areas where software optimization plays a crucial role. We'll need to see sample images from both devices to assess their true capabilities.

Performance

The core difference lies in the chipsets. The Oppo Reno15 Pro Max’s Dimensity 9400, built on a 3nm process, features a Cortex-X925 prime core clocked at 3.63 GHz, promising significant performance gains over the OnePlus 12R’s Snapdragon 8 Gen 2 (4nm). The Dimensity 9400’s architecture, with its mix of X4 and A720 cores, suggests a focus on both peak performance and efficiency. However, the Snapdragon 8 Gen 2 is a well-optimized platform, and its thermal efficiency is well-documented. The Reno15 Pro Max *should* outperform the 12R in benchmarks, but real-world gains will depend on software optimization and thermal management. The 12R’s LPDDR5x RAM will contribute to smooth multitasking, but the Reno15 Pro Max’s newer chipset may offer a more substantial performance leap.

Battery Life

The OnePlus 12R shines with its impressive 14:32h active use battery score, indicating excellent endurance. The Reno15 Pro Max compensates with incredibly fast charging: 120W wired, 50W wireless, and multiple wireless charging standards (PD, UFCS, PPS). The 12R’s 100W charging, reaching 100% in 26 minutes, is still very fast, but the Reno15 Pro Max offers a significant advantage in charging speed. The Reno15 Pro Max’s battery capacity is unknown, but the faster charging could mitigate any capacity disadvantage.

Buying Guide

Buy the Oppo Reno15 Pro Max if you need the absolute latest processor technology, the fastest wired and wireless charging available, and are willing to pay a premium for it. Buy the OnePlus 12R if you prefer a more refined software experience, exceptional battery endurance demonstrated by its 14:32h active use score, and a proven, thermally efficient chipset at a potentially lower price point.

Frequently Asked Questions

❓ Will the Dimensity 9400 in the Reno15 Pro Max overheat during prolonged gaming sessions?
The Dimensity 9400’s 3nm process *should* improve thermal efficiency compared to the Snapdragon 8 Gen 2’s 4nm node. However, sustained performance will depend heavily on Oppo’s thermal management solution and software optimization. We’ll need to conduct thorough testing to determine if throttling occurs during extended gaming.
❓ Does the OnePlus 12R support high refresh rate gaming, like 90fps or 120fps in popular titles?
The Snapdragon 8 Gen 2 is capable of supporting high refresh rate gaming, but it depends on the game’s optimization. The OnePlus 12R’s display specifications are unknown, but it’s likely to support at least 90Hz, enabling smoother gameplay in compatible titles. Check game-specific settings for optimal performance.
❓ What wireless charging standards does the Oppo Reno15 Pro Max support beyond the stated 50W?
The Reno15 Pro Max supports 13.5W PD, 33W UFCS, and 33W PPS wireless charging, offering broad compatibility with various wireless chargers. This flexibility is a significant advantage for users who already own wireless charging accessories.