Oppo Find X8 vs OnePlus 12R: A Head-to-Head Battle of Chipsets and Battery Life

The Oppo Find X8 and OnePlus 12R represent distinct approaches to the high-performance Android market. The Find X8, powered by the cutting-edge Mediatek Dimensity 9400, aims for raw power, while the OnePlus 12R leverages the well-established Snapdragon 8 Gen 2 to deliver a balanced experience. This comparison dissects their key differences to determine which phone best suits your needs.
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🏆 Quick Verdict

For the average user prioritizing sustained performance and future-proofing, the Oppo Find X8 emerges as the winner. Its Dimensity 9400 chipset, despite the 3nm process, offers a performance edge, and its faster charging capabilities are a significant advantage. However, the OnePlus 12R remains a compelling option for those seeking excellent value and slightly longer battery life.

PHONES
Phone Names Oppo Find X8 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 bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 42, 66 - International1, 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, 12, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA - International1, 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
Announced2024, October 242024, January 23
StatusAvailable. Released 2024, October 30Available. Released 2024, February 06
Body
BuildGlass front (Gorilla Glass 7i), glass back (Gorilla Glass 7i), aluminum frameGlass front (Gorilla Glass Victus 2), aluminum frame, glass back
Dimensions157.4 x 74.3 x 7.9 mm (6.20 x 2.93 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 + eSIM· Nano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM
Weight193 g (6.81 oz)207 g (7.30 oz)
Display
ProtectionCorning Gorilla Glass 7iCorning Gorilla Glass Victus 2
Resolution1256 x 2760 pixels (~460 ppi density)1264 x 2780 pixels (~450 ppi density)
Size6.59 inches, 105.6 cm2 (~90.3% screen-to-body ratio)6.78 inches, 111.7 cm2 (~90.9% screen-to-body ratio)
TypeAMOLED, 1B colors, 120Hz, 3840Hz PWM, Dolby Vision, HDR10+, 800 nits (typ), 1600 nits (HBM), 4500 nits (peak)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 15, up to 5 major Android upgrades, ColorOS 15Android 14, up to 3 major Android upgrades, OxygenOS 15
Memory
Card slotNoNo
Internal256GB 12GB RAM, 256GB 16GB RAM, 512GB 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, Hasselblad Color Calibration, LED flash, HDR, panoramaLaser AF, color spectrum sensor, LED flash, HDR, panorama
Triple50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS 50 MP, f/2.6, 73mm (periscope telephoto), 1/1.95", 0.61µm, 3x optical zoom, multi-directional PDAF, OIS 50 MP, f/2.0, 15mm, 120˚ (ultrawide), 1/2.76", 0.64µm, multi-directional PDAF50 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@30/60/240fps; gyro-EIS; HDR, 10‑bit video, Dolby Vision4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS
Selfie camera
FeaturesPanoramaHDR, panorama
Single32 MP, f/2.4, 21mm (wide), 1/2.74", 0.8µm16 MP, f/2.4, 26mm (wide), 1/3", 1.0µm
Video4K@30/60fps, 1080p@30/60fps, gyro-EIS1080p@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), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), GLONASS, NavIC (L5)GPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C 3.0 (Global), 2.0 (China), OTGUSB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi DirectWi-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
Charging80W wired, PD 55W, PPS, UFCS 50W wireless 10W reverse wireless100W wired, 100% in 26 min
TypeSi/C Li-Ion 5630 mAhLi-Ion 5500 mAh
Misc
ColorsStar Grey, Space Black, Shell Pink, BlueIron Gray, Cool Blue, Electric Violet, Sunset Dune
ModelsCPH2651, PKB110CPH2609, CPH2585, CPH2611
Price$ 948.56 / ₹ 74,990€ 410.84 / $ 399.95 / £ 649.00
SAR-1.19 W/kg (head)     0.82 W/kg (body)

Oppo Find X8

  • Superior processing power with Dimensity 9400
  • Faster wired and wireless charging
  • Brighter display for better outdoor visibility

  • Slightly shorter battery life in active use tests
  • Potential for early software optimization issues

OnePlus 12R

  • Excellent battery life (14:32h active use)
  • Fast 100W wired charging
  • Proven Snapdragon 8 Gen 2 platform

  • Less powerful processor compared to Dimensity 9400
  • No wireless charging support

Display Comparison

The Oppo Find X8 boasts a brighter display, reaching a measured 1364 nits, compared to the OnePlus 12R’s 1181 nits. This translates to better visibility under direct sunlight. While both likely utilize OLED panels, the Find X8’s higher peak brightness and potentially superior color calibration (though not specified) give it an edge for multimedia consumption. The absence of refresh rate data for both makes a direct comparison difficult, but both are expected to offer at least 120Hz.

Camera Comparison

Without detailed camera specifications, a direct comparison is limited. However, the market positioning suggests the Oppo Find X8 will likely feature a more advanced camera system. While both phones will likely include a primary wide-angle lens, the Find X8, as a flagship, may incorporate larger sensors and more sophisticated image processing algorithms. The OnePlus 12R will likely focus on delivering a reliable and consistent camera experience, but may lack the cutting-edge features found on the Find X8.

Performance

The core difference lies in the chipsets. The Oppo Find X8’s Mediatek Dimensity 9400, built on a 3nm process, features a unique CPU configuration with a Cortex-X925 prime core clocked at 3.63 GHz, alongside X4 and A720 cores. This contrasts with the OnePlus 12R’s Snapdragon 8 Gen 2 (4nm) which utilizes a Cortex-X3 prime core at 3.2 GHz. The 3nm node of the Dimensity 9400 *should* offer improved power efficiency, but the architectural differences and clock speeds suggest the Find X8 will deliver superior peak performance. The Snapdragon 8 Gen 2 is known for its stability and optimized software support, potentially mitigating any early software quirks with the Dimensity 9400.

Battery Life

The OnePlus 12R takes a slight lead in battery endurance, achieving 14:32h of active use compared to the Oppo Find X8’s 13:58h. However, the Find X8 compensates with significantly faster charging: 80W wired, 50W wireless, and 10W reverse wireless, versus the 12R’s 100W wired only. The 12R’s 26-minute 0-100% charge time is impressive, but the Find X8’s wireless charging capabilities offer added convenience. The difference in active use time is relatively small, and the Find X8’s faster charging could negate this difference for many users.

Buying Guide

Buy the Oppo Find X8 if you demand the absolute latest in mobile processing power, need the fastest charging speeds available (80W wired, 50W wireless), and are willing to pay a premium for a potentially more future-proof device. Buy the OnePlus 12R if you prioritize maximizing battery life (14:32h active use), prefer a proven chipset with excellent thermal management, and are looking for a flagship-level experience at a more accessible price point.

Frequently Asked Questions

❓ Will the Mediatek Dimensity 9400 in the Oppo Find X8 overheat during prolonged gaming sessions?
While the Dimensity 9400 is a powerful chip, the 3nm process *should* improve thermal efficiency. However, sustained peak performance can still generate heat. The Oppo Find X8’s thermal management system will be crucial. Early reviews will be key to determining if throttling occurs during extended gaming.
❓ Does the OnePlus 12R support features like LTPO display technology for variable refresh rates?
The provided specifications do not mention LTPO. However, given the OnePlus 12R’s positioning as a high-performance device, it’s likely to feature a 120Hz display, though it may not be an adaptive refresh rate panel like LTPO. This means it won't dynamically adjust the refresh rate to save battery like some flagship devices.
❓ How does the charging speed of the Oppo Find X8 compare to real-world usage?
The Oppo Find X8’s 80W wired and 50W wireless charging are significantly faster than the OnePlus 12R’s 100W wired only. While 80W isn’t the absolute fastest available, it will still provide a substantial charge in a short amount of time. The addition of 50W wireless charging offers a convenient alternative, and the 10W reverse wireless charging can top up accessories.