OnePlus 12 vs Xiaomi 14 Pro: A Head-to-Head Flagship Battle

Both the OnePlus 12 and Xiaomi 14 Pro represent the pinnacle of Android smartphone technology, powered by the latest Snapdragon 8 Gen 3. However, they diverge in key areas like charging speed, battery optimization, and regional availability, making the choice less straightforward than a simple spec sheet comparison. This analysis dives deep to determine which device delivers the best overall experience.
Phones Images

🏆 Quick Verdict

For the average user prioritizing rapid charging and a slightly brighter display, the Xiaomi 14 Pro emerges as the winner. Its 120W wired charging significantly reduces downtime, completing a full charge in just 18 minutes. However, the OnePlus 12 offers competitive battery life and a more globally consistent charging experience.

PHONES
Phone Names OnePlus 12 Xiaomi 14 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, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
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, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
Announced2023, December 052023, October 26
StatusAvailable. Released 2023, December 11Available. Released 2023, November 01
Body
BuildGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass), aluminum frameGlass front, aluminum frame or titanium frame, glass back
Dimensions164.3 x 75.8 x 9.2 mm (6.47 x 2.98 x 0.36 in)161.4 x 75.3 x 8.5 mm
SIM· Nano-SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight220 g (7.76 oz)223 g or 230 g (7.87 oz)
Display
ProtectionCorning Gorilla Glass Victus 2Shatterproof glass
Resolution1440 x 3168 pixels (~510 ppi density)1440 x 3200 pixels, 20:9 ratio (~522 ppi density)
Size6.82 inches, 113.0 cm2 (~90.8% screen-to-body ratio)6.73 inches, 108.9 cm2 (~89.6% 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, 68B colors, 120Hz, Dolby Vision, 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 (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
ChipsetQualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
GPUAdreno 750Adreno 750
OSAndroid 14, up to 4 major Android upgrades, OxygenOS 16 (International), ColorOS (China)Android 14, HyperOS
Memory
Card slotNoNo
Internal256GB 12GB RAM, 256GB 16GB RAM, 512GB 16GB RAM, 1TB 16GB RAM, 1TB 24GB RAM256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
Main Camera
FeaturesHasselblad Color Calibration, color spectrum sensor, Dual-LED flash, HDR, panoramaLaser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama
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/1.4-f/4.0, 23mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 50 MP, f/2.0, 75mm (telephoto), PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP, f/2.2, 14mm, 115˚ (ultrawide), AF
Video8K@24fps, 4K@30/60fps, 1080p@30/60/240/480fps, Auto HDR, gyro-EIS, Dolby Vision8K@24fps (HDR), 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Selfie camera
FeaturesHDR, panoramaHDR, panorama
Single32 MP, f/2.4, 21mm (wide), 1/2.74", 0.8µm32 MP, f/2.0, 22mm (wide), 0.7µm
Video4K@30fps, 1080p@30fps, gyro-EIS4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE, aptX HD, LHDC5.4, A2DP, LE, aptX HD, aptX Adaptive
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavICGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 3.2, OTGUSB Type-C 3.2 Gen 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/6e/7, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, proximity, gyro, compass, barometer
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 wireless120W wired, PD3.0, QC4, 100% in 18 min 50W wireless, 100% in 40 min 10W reverse wireless
TypeLi-Po 5400 mAhLi-Po 4880 mAh
Misc
ColorsFlowy Emerald, Silky Black, Silver (Glacial White)Black, Silver, Titanium, Green
ModelsPJD110, CPH2573, CPH2581, CPH258323116PN5BC
Price$ 639.99 / C$ 1,099.99 / £ 549.00 / € 527.00About 650 EUR
SAR1.18 W/kg (head)     0.68 W/kg (body)-

OnePlus 12

  • Longer battery life during active use (14:11h)
  • Globally consistent 100W charging (except USA)
  • Reputable software support from OnePlus

  • Slower charging speed compared to Xiaomi 14 Pro
  • Charging speed varies by region (USA gets 80W)

Xiaomi 14 Pro

  • Ultra-fast 120W wired charging (18 minutes)
  • Potentially brighter display (specifications needed)
  • MIUI offers extensive customization options

  • Battery life is unknown, potentially lower than OnePlus 12
  • MIUI can be resource-intensive and prone to bloatware

Display Comparison

The OnePlus 12 boasts a display capable of reaching 1155 nits of peak brightness, providing excellent visibility in direct sunlight. While both phones likely utilize LTPO technology for adaptive refresh rates (though not explicitly stated), the OnePlus 12’s measured brightness gives it a slight edge for outdoor use. The absence of detailed display specs for the Xiaomi 14 Pro makes a precise comparison difficult, but it’s reasonable to expect similar quality given its flagship status. Bezels are likely comparable, and color accuracy will depend on software calibration.

Camera Comparison

Detailed camera specifications are missing for both devices, making a comprehensive comparison challenging. However, the focus should be on the main sensor and image processing. While Xiaomi often emphasizes high megapixel counts, the OnePlus 12’s image processing is known for its natural color reproduction. The absence of information regarding sensor size and OIS capabilities prevents a definitive judgment. We can assume both phones will offer excellent image quality in good lighting conditions, but low-light performance will be a key differentiator.

Performance

Both the OnePlus 12 and Xiaomi 14 Pro are equipped with the Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) chipset, featuring an identical CPU configuration: 1x3.3 GHz Cortex-X4, 3x3.2 GHz Cortex-A720, 2x3.0 GHz Cortex-A720, and 2x2.3 GHz Cortex-A520. This means raw processing power will be nearly indistinguishable. Performance differences will likely stem from thermal management and RAM optimization. The 4nm process node contributes to improved thermal efficiency, but sustained workloads will still generate heat. The lack of RAM specifications prevents a full assessment, but both will likely utilize LPDDR5x for fast memory access.

Battery Life

The OnePlus 12 delivers an impressive 14:11 hours of active use, showcasing strong battery optimization. The Xiaomi 14 Pro’s battery capacity is not specified, but its 120W wired charging (PD3.0, QC4) is a significant advantage, achieving a full charge in just 18 minutes. The OnePlus 12 offers 100W wired charging (26 min International, 30 min USA), and 50W wireless charging (55 min), while the Xiaomi 14 Pro matches the 50W wireless charging (40 min). The regional difference in OnePlus 12 charging speed is a notable drawback for US customers. Both phones offer 10W reverse wireless charging.

Buying Guide

Buy the OnePlus 12 if you value long-lasting battery life during active use (14:11h) and prefer a brand with a strong track record of software support. Buy the Xiaomi 14 Pro if you prioritize the absolute fastest charging speeds and are comfortable with Xiaomi’s MIUI software experience, and are not in the USA where charging is slower.

Frequently Asked Questions

❓ Does the OnePlus 12's charging speed differ significantly between the international and US versions?
Yes, the OnePlus 12 supports 100W wired charging internationally, achieving a full charge in 26 minutes. However, the US version is limited to 80W, extending the charging time to 30 minutes. This is a notable disadvantage for US customers prioritizing fast charging.
❓ How does Xiaomi's MIUI software compare to OnePlus' OxygenOS in terms of performance and user experience?
MIUI is known for its extensive customization options but can be more resource-intensive than OxygenOS, potentially leading to slightly slower performance and increased battery drain. OxygenOS prioritizes a cleaner, more streamlined experience closer to stock Android, often favored by users seeking a smoother and more efficient interface.
❓ Is the lack of detailed camera specs a major concern when choosing between these two phones?
Yes, the absence of information regarding sensor size, aperture, and OIS capabilities makes it difficult to assess camera performance accurately. While both phones likely offer excellent image quality, the specific strengths and weaknesses remain unclear without further details.