Oppo Reno15 Pro Max vs Samsung Galaxy S24+: A Flagship Face-Off

The Oppo Reno15 Pro Max arrives with the latest MediaTek Dimensity 9400, aiming to disrupt the established flagship order. We pit it against the Samsung Galaxy S24+, powered by either the Snapdragon 8 Gen 3 (in the US/Canada/China) or the Exynos 2400 (internationally), to determine which device delivers the best overall experience for demanding users.
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🏆 Quick Verdict

For users prioritizing raw processing power and ultra-fast charging, the Oppo Reno15 Pro Max with its Dimensity 9400 and 120W charging is the winner. However, the Samsung Galaxy S24+ offers a more refined software experience, a brighter display, and potentially longer battery life in real-world usage, making it a strong contender.

PHONES
Phone Names Oppo Reno15 Pro Max Samsung Galaxy S24+
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, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International
5G bandsSA/NSA1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
SpeedHSPA, LTE, 5GHSPA, LTE (up to 7CA), 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
Launch
AnnouncedNot announced yet2024, January 17
StatusRumoredAvailable. Released 2024, January 24
Body
Build-Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Dimensions-158.5 x 75.9 x 7.7 mm (6.24 x 2.99 x 0.30 in)
SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT· Nano-SIM + eSIM + eSIM (max 2 at a time) - USA· Nano-SIM + Nano-SIM - CN
Weight-196 g or 197 g (6.91 oz)
Display
Protection-Corning Gorilla Glass Victus 2
Resolution1272 x 2800 pixels (~454 ppi density)1440 x 3120 pixels, 19.5:9 ratio (~513 ppi density)
Size6.78 inches, 111.7 cm26.7 inches, 110.2 cm2 (~91.6% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 120Hz, 3840Hz PWM, HDR10+Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Platform
CPUOcta-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)8-core (1x3.39GHz Cortex-X4 & 3x3.1GHz Cortex-A720 & 2x2.9GHz Cortex-A720 & 2x2.2GHz Cortex-A520)10-core (1x3.2GHz Cortex-X4 & 2x2.9GHz Cortex-A720 & 3x2.6GHz Cortex-A720 & 4x1.95GHz Cortex-A520)
ChipsetMediatek Dimensity 9400 (3 nm)Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) - USA/Canada/ChinaExynos 2400 (4 nm) - International
GPUImmortalis-G925Adreno 750 (1 GHz) - USA/Canada/ChinaXclipse 940 - International
OSAndroid 16, ColorOS 16Android 14, up to 7 major Android upgrades, One UI 8.0
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 12GB RAM
Main Camera
FeaturesColor spectrum sensor, LED flash, HDR, panoramaLED flash, auto-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, dual pixel PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
Video4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Selfie camera
FeaturesPanorama, HDRHDR, HDR10+
Single50 MP, f/2.0, 21mm (wide), AF12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Video4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR4K@30/60fps, 1080p@30fps
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE, aptX HD, LHDC 55.3, A2DP, LE
Infrared portYes-
NFCYesYes
PositioningGPS (L1+L5), GLONASS, GALILEO, BDS, QZSSGPS, GLONASS, BDS, GALILEO, QZSS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.2, DisplayPort 1.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-bandWi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Battery
Charging120W wired, 13.5W PD, 33W UFCS, 33W PPS 50W wireless Reverse wired45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless
Type6500 mAhLi-Ion 4900 mAh
Misc
ColorsBlack; other colorsOnyx Black, Marble Grey, Cobalt Violet, Amber Yellow, Jade Green, Sandstone Orange, Sapphire Blue
Models-SM-S926B, SM-S926B/DS, SM-S926U, SM-S926U1, SM-S926W, SM-S926N, SM-S9260, SM-S926E, SM-S926E/DS
Price-$ 429.50 / € 549.00 / £ 445.98
SAR-1.16 W/kg (head)     0.84 W/kg (body)
SAR EU-0.74 W/kg (head)     1.25 W/kg (body)

Oppo Reno15 Pro Max

  • Blazing-fast Dimensity 9400 processor
  • Ultra-fast 120W wired charging
  • Potentially superior thermal management due to 3nm process

  • Camera specs are currently unknown
  • Software support and long-term updates are less certain than Samsung

Samsung Galaxy S24+

  • Brighter and more color-accurate display
  • Refined software experience with One UI
  • Strong camera performance and video recording

  • Slower charging speeds (45W wired)
  • Exynos variant may suffer from thermal throttling

Display Comparison

The Samsung Galaxy S24+ boasts a significantly brighter display, reaching a measured 1452 nits, crucial for outdoor visibility. While the Reno15 Pro Max’s display specs are not provided, Oppo typically utilizes high-quality AMOLED panels. The S24+'s brightness advantage, combined with Samsung’s established color calibration, likely provides a superior viewing experience. The S24+’s panel is also likely to feature LTPO technology for adaptive refresh rates, improving battery efficiency, a feature not confirmed for the Reno15 Pro Max.

Camera Comparison

Detailed camera specs for the Reno15 Pro Max are missing, but Oppo typically focuses on strong image processing and versatile camera systems. The Galaxy S24+’s camera capabilities are well-documented, offering excellent photo and video quality. Without knowing the sensor sizes and apertures of the Reno15 Pro Max, it’s difficult to make a direct comparison. However, Samsung’s image processing algorithms are generally more refined, particularly in challenging lighting conditions. The S24+'s video recording capabilities are also likely to be superior, benefiting from Qualcomm’s or Exynos’s advanced ISP.

Performance

The core architectural difference lies in the chipsets. The Reno15 Pro Max’s Dimensity 9400, built on a 3nm process, features a Cortex-X925 prime core clocked at 3.63 GHz, suggesting a focus on peak performance. The S24+'s Snapdragon 8 Gen 3 (4nm) has a Cortex-X4 at 3.39 GHz, while the Exynos 2400 (4nm) has a Cortex-X4 at 3.2 GHz. The 3nm node of the Dimensity 9400 *should* offer better power efficiency and thermal headroom, potentially allowing for sustained peak performance. However, Qualcomm’s Snapdragon is known for its optimized software integration and gaming performance. The Exynos variant raises concerns about potential thermal throttling, a common issue with previous Exynos chips.

Battery Life

The Samsung Galaxy S24+ achieves a commendable 12:30h of active use, demonstrating solid battery life. The Reno15 Pro Max’s battery capacity is unknown, but its 120W wired charging is a game-changer, potentially offering a full charge in under 30 minutes. The S24+’s 45W charging, while respectable, is significantly slower. The Reno15 Pro Max also supports 50W wireless charging, dwarfing the S24+'s 15W wireless charging. The Reno15 Pro Max’s charging speed is a major advantage for users who frequently need to top up their battery quickly.

Buying Guide

Buy the Oppo Reno15 Pro Max if you need the absolute fastest CPU performance for demanding tasks like video editing or gaming, and value incredibly rapid charging speeds. Buy the Samsung Galaxy S24+ if you prefer a more polished software ecosystem, a brighter and more color-accurate display, and a proven track record of long-term software support. The S24+ is also the safer bet for those concerned about potential early adopter issues with the Reno15 Pro Max.

Frequently Asked Questions

❓ Does the Exynos 2400 chip in the international Galaxy S24+ overheat during prolonged gaming sessions?
Historically, Exynos chips have been prone to thermal throttling under sustained load. While Samsung has made improvements, the Snapdragon 8 Gen 3 variant is generally considered to have better thermal management. Users in regions receiving the Exynos version should be aware of potential performance dips during extended gaming or demanding tasks.
❓ How does the 120W charging of the Oppo Reno15 Pro Max affect battery health over the long term?
While 120W charging is incredibly fast, it can potentially generate more heat, which *could* accelerate battery degradation over several years. However, Oppo likely incorporates advanced charging algorithms and thermal management systems to mitigate this risk. The Reno15 Pro Max also supports lower wattage charging standards (PD, UFCS, PPS) for slower, gentler charging when desired.
❓ Is the lack of detailed camera specs for the Reno15 Pro Max a cause for concern?
It is a valid concern. Without knowing the sensor sizes, apertures, and OIS capabilities, it's difficult to assess the Reno15 Pro Max's camera performance. Oppo typically delivers competitive camera systems, but the S24+ has a clear advantage in terms of established reputation and detailed specifications.
❓ Will the Oppo Reno15 Pro Max receive the same level of software updates and security patches as the Samsung Galaxy S24+?
Samsung is known for its commitment to long-term software support, typically offering 4-5 years of major Android updates and security patches. Oppo's update policy is generally shorter, typically around 3 years. This is a significant consideration for users who prioritize software longevity.