OnePlus 12 vs. vivo X100 Pro: A Deep Dive into Flagship Performance

The OnePlus 12 and vivo X100 Pro represent the pinnacle of Android smartphone technology, but they approach flagship status with different philosophies. The OnePlus 12 leverages Qualcomm’s latest Snapdragon 8 Gen 3, while the vivo X100 Pro champions MediaTek’s Dimensity 9300. This comparison dissects these key differences, alongside display quality, camera capabilities, and battery performance, to determine which device delivers the best overall experience.
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🏆 Quick Verdict

For most users, the OnePlus 12 offers a more balanced package. Its Snapdragon 8 Gen 3 provides consistently strong performance across all tasks, coupled with a competitive charging speed and a very good display. While the vivo X100 Pro boasts a brighter screen and a potentially more efficient chipset, the OnePlus 12’s wider availability and established software ecosystem give it the edge.

PHONES
Phone Names OnePlus 12 vivo X100 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - InternationalHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 48, 66, 71 - International1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 42, 66 - International
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 66, 71, 77, 78 SA/NSA - International1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 75, 77, 78, 79 SA/NSA - International
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
Launch
Announced2023, December 052023, November 13
StatusAvailable. Released 2023, December 11Available. Released 2023, November 21
Body
BuildGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass), aluminum frameGlass front, aluminum frame, glass back
Dimensions164.3 x 75.8 x 9.2 mm (6.47 x 2.98 x 0.36 in)164.1 x 75.3 x 8.9 mm or 9.1 mm
SIM· Nano-SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM
Weight220 g (7.76 oz)221 g or 225 g (7.80 oz)
Display
ProtectionCorning Gorilla Glass Victus 2-
Resolution1440 x 3168 pixels (~510 ppi density)1260 x 2800 pixels, 20:9 ratio (~452 ppi density)
Size6.82 inches, 113.0 cm2 (~90.8% screen-to-body ratio)6.78 inches, 111.5 cm2 (~90.2% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 120Hz, 2160Hz PWM, Dolby Vision, HDR10+, 600 nits (typ), 1600 nits (HBM), 4500 nits (peak)LTPO AMOLED, 1B colors, 120Hz, HDR10+, 3000 nits (peak)
Platform
CPUOcta-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)
ChipsetQualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)Mediatek Dimensity 9300 (4 nm)
GPUAdreno 750Immortalis-G720 MC12
OSAndroid 14, up to 4 major Android upgrades, OxygenOS 16 (International), ColorOS (China)Android 14, upgradable to Android 15, Funtouch 15 (International), OriginOS 4 (China)
Memory
Card slotNoNo
Internal256GB 12GB RAM, 256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM, 1TB 24GB RAM256GB 12GB RAM, 256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Main Camera
FeaturesHasselblad Color Calibration, color spectrum sensor, Dual-LED flash, HDR, panoramaLaser AF, color spectrum sensor, Zeiss optics, Zeiss T* lens coating, LED flash, panorama, HDR, 3D LUT import
Triple50 MP, f/1.6, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS 64 MP, f/2.6, 70mm (periscope telephoto), 1/2.0", 0.7µm, PDAF, OIS, 3x optical zoom 48 MP, f/2.2, 14mm, 114˚ (ultrawide), 1/2.0", 0.8µm, PDAF50 MP, f/1.8, 23mm (wide), 1/0.98", 1.6µm, dual pixel PDAF, OIS 50 MP, f/2.5, 100mm (periscope telephoto), 1/2.51", 0.7µm, PDAF (18cm - ∞), OIS, 4.3x optical zoom 50 MP, f/2.0, 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF
Video8K@24fps, 4K@30/60fps, 1080p@30/60/240/480fps, Auto HDR, gyro-EIS, Dolby Vision8K@30fps, 4K@30/60fps, 1080p, gyro-EIS
Selfie camera
FeaturesHDR, panoramaHDR
Single32 MP, f/2.4, 21mm (wide), 1/2.74", 0.8µm32 MP, f/2.0, 20mm (ultrawide)
Video4K@30fps, 1080p@30fps, gyro-EIS4K@30/60fps, 1080p@30/60fps
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE, aptX HD, LHDC5.4, A2DP, LE, aptX HD, LHDC
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavICGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 3.2, OTGUSB Type-C 3.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6/7, tri-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging100W wired, PD, QC, 100% in 26 min (International) 80W wired, PD, QC, 100% in 30 min (USA) 50W wireless, 100% in 55 min 10W reverse wireless100W wired, 50% in 14 min 50W wireless Reverse wired
TypeLi-Po 5400 mAhLi-Ion 5400 mAh
Misc
ColorsFlowy Emerald, Silky Black, Silver (Glacial White)Startrail Blue, Asteroid Black, Sunset Orange, White
ModelsPJD110, CPH2573, CPH2581, CPH2583V2324A, V2309
Price$ 639.99 / C$ 1,099.99 / £ 549.00 / € 527.00₹ 59,999
SAR1.18 W/kg (head)     0.68 W/kg (body)-
SAR EU-0.99 W/kg (head)     1.19 W/kg (body)

OnePlus 12

  • Faster wired charging (especially internationally)
  • Reverse wireless charging
  • More established software ecosystem (OxygenOS)

  • Lower peak display brightness
  • Snapdragon 8 Gen 3 may throttle more under sustained load

vivo X100 Pro

  • Significantly brighter display
  • Potentially more efficient Dimensity 9300 chipset
  • Unique ‘all-big core’ CPU architecture

  • Funtouch OS may not appeal to all users
  • Lacks reverse wireless charging

Display Comparison

The vivo X100 Pro immediately stands out with its measured peak brightness of 1472 nits, significantly exceeding the OnePlus 12’s 1155 nits. This translates to superior visibility in direct sunlight. Both devices utilize 4nm chipsets, which contribute to efficient power consumption for these high-brightness panels. While both likely employ LTPO technology for adaptive refresh rates, the X100 Pro’s higher peak brightness is a clear advantage for outdoor users. Color accuracy is likely comparable, but the X100 Pro’s brightness gives it a visual edge.

Camera Comparison

Both phones are advertised as camera-focused, but detailed sensor information is needed for a complete assessment. Assuming both feature advanced image processing pipelines, the differences will likely lie in their tuning and lens choices. The larger sensor (if present) will generally capture more light, resulting in better low-light performance. The presence of Optical Image Stabilization (OIS) is crucial for both photo and video stability. Without specific sensor details, it’s difficult to declare a clear winner, but the X100 Pro’s brand reputation suggests a strong emphasis on computational photography.

Performance

Both the OnePlus 12 and vivo X100 Pro are powered by 4nm chipsets, but their architectures differ significantly. The OnePlus 12’s Snapdragon 8 Gen 3 features a 1x3.3 GHz Cortex-X4 prime core, complemented by 3x3.2 GHz Cortex-A720 cores, 2x3.0 GHz Cortex-A720 cores, and 2x2.3 GHz Cortex-A520 cores. The vivo X100 Pro’s Dimensity 9300 employs a unique ‘all-big core’ design with 1x3.25 GHz Cortex-X4 and 3x2.85 GHz Cortex-X4 cores, plus 4x2.0 GHz Cortex-A720 cores. This suggests the Dimensity 9300 may excel in sustained multi-core workloads, while the Snapdragon 8 Gen 3’s more balanced core configuration could offer better single-core performance. Both devices will likely feature LPDDR5x RAM, but thermal management will be crucial in unlocking their full potential.

Battery Life

The OnePlus 12 delivers an active use score of 14:11h, slightly surpassing the vivo X100 Pro’s 13:53h. However, charging speeds are a key differentiator. The OnePlus 12 offers 100W wired charging (26 minutes to 100% internationally, 30 minutes in the USA), 50W wireless charging (55 minutes), and 10W reverse wireless. The vivo X100 Pro matches the 100W wired charging (50% in 14 minutes) and 50W wireless, but lacks reverse wireless charging. The OnePlus 12’s faster full-charge time and reverse wireless functionality provide added convenience.

Buying Guide

Buy the OnePlus 12 if you prioritize consistent, top-tier performance in gaming and everyday tasks, alongside fast charging and a mature software experience. Buy the vivo X100 Pro if you value the absolute brightest display possible, are comfortable with vivo’s Funtouch OS, and want to explore the potential efficiency gains of the Dimensity 9300 chipset, potentially leading to slightly longer battery life during moderate use.

Frequently Asked Questions

❓ Does the Dimensity 9300 in the vivo X100 Pro suffer from overheating issues under heavy gaming?
While early reports suggest the Dimensity 9300 is efficient, sustained gaming performance and thermal throttling remain to be thoroughly tested. The ‘all-big core’ design could potentially generate more heat under prolonged load compared to the Snapdragon 8 Gen 3’s more balanced configuration. Real-world testing is crucial to determine if vivo’s cooling solution effectively mitigates any potential overheating.
❓ How does the 100W charging on the OnePlus 12 differ between the international and US versions?
The OnePlus 12 utilizes different charging protocols depending on the region. The international version achieves a full charge in approximately 26 minutes with 100W, while the US version takes around 30 minutes with the same 100W standard. This difference is likely due to variations in voltage standards and regulatory requirements.
❓ Is the camera on the vivo X100 Pro optimized for portrait photography?
vivo has a strong track record of delivering excellent portrait mode performance. The X100 Pro likely incorporates advanced algorithms for accurate bokeh simulation and skin tone reproduction. However, without specific details on the camera hardware and software tuning, it’s difficult to assess its portrait capabilities definitively.