Oppo Reno15 vs Xiaomi 12 Pro (Dimensity): A Deep Dive into Performance and Charging

Both the Oppo Reno15 and the Xiaomi 12 Pro (Dimensity variant) represent compelling options in the increasingly competitive mid-to-high range smartphone market. The Reno15 aims to deliver a balanced experience with rapid charging, while the 12 Pro leverages a more powerful chipset for demanding users. This comparison dissects their key differences to determine which device best suits your needs.
Phones Images

🏆 Quick Verdict

For the average user prioritizing raw performance and a slightly more refined experience, the Xiaomi 12 Pro (Dimensity) is the better choice. Its Dimensity 9000+ chipset provides a noticeable performance advantage over the Reno15’s Dimensity 8450. However, the Reno15’s superior charging speeds and potentially lower price point make it a strong contender for budget-conscious buyers.

PHONES
Phone Names Oppo Reno15 Xiaomi 12 Pro (Dimensity)
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - InternationalHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66 - China1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G bands1, 3, 5, 8, 18, 26, 28, 34, 38, 39, 40, 41, 48, 66, 77, 78 SA/NSA1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 -CDMA2000 1xEV-DO
Launch
Announced2025, November 172022, July 04
StatusAvailable. Released 2025, November 21Available. Released 2022, July 13
Body
BuildGlass front, aluminum alloy frame, glass back-
Dimensions151.2 x 72.4 x 8 mm (5.95 x 2.85 x 0.31 in)163.6 x 74.6 x 8.2 mm (6.44 x 2.94 x 0.32 in)
SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight187 g (6.60 oz)201 g (7.09 oz)
Display
ProtectionReinforced glassCorning Gorilla Glass Victus
Resolution1216 x 2640 pixels, 19.5:9 ratio (~460 ppi density)1440 x 3200 pixels, 20:9 ratio (~521 ppi density)
Size6.32 inches, 97.9 cm2 (~89.5% screen-to-body ratio)6.73 inches, 109.4 cm2 (~89.6% screen-to-body ratio)
TypeAMOLED, 1B colors, 120Hz, 3840Hz PWM, HDR10+, 600 nits (typ), 1800 nits (HBM), 3600 nits (peak)LTPO2 AMOLED, 1B colors, 120Hz, Dolby Vision, HDR10+, 1000 nits (HBM), 1500 nits (peak)
Platform
CPUOcta-core 3.25 GHzOcta-core (1x3.20 GHz Cortex-X2 & 3x2.85 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
ChipsetMediatek Dimensity 8450 (4 nm)Mediatek Dimensity 9000+ (4 nm)
GPUMali-G720 MC7Mali-G710 MC10
OSAndroid 16, ColorOS 16Android 12, MIUI 13
Memory
Card slotNoNo
Internal256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM128GB 8GB RAM, 256GB 12GB RAM
 -UFS 3.1
Main Camera
FeaturesColor spectrum sensor, LED flash, HDR, panoramaColor spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Single-32 MP, f/2.5, 26mm (wide), 0.7µm
Triple200 MP, f/1.8, 24mm (wide), 1/1.56", 0.5µm, PDAF, OIS 50 MP, f/2.8, 85mm (telephoto), PDAF, OIS, 3.5x optical zoom 50 MP, f/2.0, 16mm, 116˚ (ultrawide), AF50 MP, f/1.9, 24mm (wide), 1/1.28", 1.22µm, dual pixel PDAF, OIS 13 MP, f/2.4, 15mm, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP, f/2.4, 50mm (telephoto macro), AF
Video4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR4K@30/60fps, 1080p@30/60/120fps, gyro-EIS
Selfie camera
FeaturesPanorama, HDRHDR, panorama
Single50 MP, f/2.0, 18mm, 100˚ (ultrawide), AF32 MP, f/2.5, 26mm (wide), 0.7µm
Video4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR1080p@30/60fps, 720p@120fps
Sound
3.5mm jack -No
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 -24-bit/192kHz audio Tuned by Harman Kardon
Comms
Bluetooth5.4, A2DP, LE, aptX HD, LHDC 55.3, A2DP, LE
Infrared portYesYes
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDS, QZSSGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-bandWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging80W wired, 13.5W PD, 44W UFCS, 55W PPS Reverse wired67W wired, PD3.0, QC4
Type6200 mAhLi-Po 5160 mAh
Misc
ColorsBlue, Brown, WhiteGray, Blue
ModelsPLW1102207122MC
PriceAbout 360 EURAbout 570 EUR

Oppo Reno15

  • Significantly faster charging speeds (80W)
  • Wider charging protocol support (PD, UFCS, PPS)
  • Potentially more affordable price point

  • Less powerful chipset (Dimensity 8450)
  • Likely less optimized for gaming

Xiaomi 12 Pro (Dimensity)

  • More powerful chipset (Dimensity 9000+)
  • Superior CPU and GPU performance
  • Potentially better camera system

  • Slower charging speeds (67W)
  • May be more expensive

Display Comparison

While both devices likely feature high-quality AMOLED panels (data not provided), the focus here isn't display quality. The core difference lies in the processing power driving the visuals. Both utilize 4nm fabrication, but the chipset dictates how efficiently those pixels are rendered. We can assume both offer vibrant colors and good viewing angles, but the Xiaomi 12 Pro’s superior GPU will translate to higher, more stable frame rates in graphically intensive games.

Camera Comparison

Without detailed camera specifications, a direct comparison is difficult. However, Xiaomi’s 12 Pro series historically emphasizes camera capabilities. We can infer that the 12 Pro likely features a larger main sensor and more sophisticated image processing algorithms. While the Reno15 will undoubtedly produce good images, the 12 Pro is likely to excel in low-light conditions and offer greater dynamic range. The absence of details on OIS and lens apertures prevents a more granular assessment.

Performance

The Xiaomi 12 Pro (Dimensity) holds a clear advantage in processing power. Its Dimensity 9000+ features a Cortex-X2 prime core clocked at 3.20 GHz, alongside three Cortex-A710 performance cores at 2.85 GHz, and four Cortex-A510 efficiency cores. This contrasts with the Reno15’s Dimensity 8450, which utilizes an octa-core configuration clocked at 3.25 GHz, but lacks the higher-tier Cortex-X2 core. The 9000+’s architecture is designed for sustained performance, making it better suited for prolonged gaming sessions and demanding tasks. The Reno15 will be capable, but the 12 Pro offers a more future-proof experience.

Battery Life

The Reno15’s charging capabilities are its standout feature. 80W wired charging, coupled with support for 13.5W PD, 44W UFCS, and 55W PPS, provides exceptional flexibility and speed. The Xiaomi 12 Pro’s 67W wired charging, while still fast, doesn’t match the Reno15’s peak rate. While battery capacity isn’t specified, the Reno15’s charging ecosystem allows for quicker top-ups, potentially mitigating a smaller battery size. The Xiaomi 12 Pro relies on PD3.0 and QC4 standards, which are widely compatible but lack the Reno15’s specialized protocols.

Buying Guide

Buy the Oppo Reno15 if you prioritize incredibly fast charging – its 80W wired charging and multiple PPS/UFCS standards offer unparalleled flexibility. It’s ideal for users who frequently top up their phones and value convenience. Buy the Xiaomi 12 Pro (Dimensity) if you demand the best possible performance for gaming, multitasking, and demanding applications. Its Dimensity 9000+ chipset and optimized thermal design deliver a smoother, more responsive experience.

Frequently Asked Questions

❓ Does the Dimensity 9000+ in the Xiaomi 12 Pro generate excessive heat during prolonged gaming sessions?
The Dimensity 9000+ is known for its efficient thermal management. Xiaomi typically implements robust cooling solutions in their Pro models, mitigating throttling and maintaining consistent performance even during extended gaming. While some heat is inevitable, the 12 Pro is designed to handle demanding workloads effectively.
❓ How does the Reno15’s 80W charging compare to other 65W/67W charging solutions in terms of actual charging time?
While the difference between 67W and 80W might seem small, it translates to a noticeable reduction in charging time, particularly in the initial stages. The Reno15’s 80W charging can typically achieve a 0-100% charge in around 30-35 minutes, while 67W solutions often take closer to 40-45 minutes. The Reno15’s support for PPS and UFCS further optimizes charging efficiency.
❓ Is the difference in CPU performance between the Dimensity 8450 and 9000+ noticeable in everyday tasks like browsing and social media?
For basic tasks like browsing, social media, and video streaming, the difference in CPU performance will be minimal. Both chipsets are more than capable of handling these workloads smoothly. The benefits of the Dimensity 9000+ become more apparent in demanding applications like video editing, gaming, and multitasking.